From beb6acc798de56e3f0203641afd5b813c6587b0f Mon Sep 17 00:00:00 2001 From: pkolesnikov Date: Thu, 2 Jun 2016 12:09:42 +0200 Subject: [PATCH] timer copy --- arch/arm/src/stm32f7/Make.defs | 2 +- arch/arm/src/stm32f7/chip/stm32_tim.h | 1127 +++++++++++++++++++++++++ arch/arm/src/stm32f7/stm32_tim.c | 1099 ++++++++++++++++++++++++ arch/arm/src/stm32f7/stm32_tim.h | 215 +++++ configs/stm32f746-ws/nsh/defconfig | 2 +- 5 files changed, 2443 insertions(+), 2 deletions(-) create mode 100644 arch/arm/src/stm32f7/chip/stm32_tim.h create mode 100644 arch/arm/src/stm32f7/stm32_tim.c create mode 100644 arch/arm/src/stm32f7/stm32_tim.h diff --git a/arch/arm/src/stm32f7/Make.defs b/arch/arm/src/stm32f7/Make.defs index 6cce8637eb..cf86c88c3e 100644 --- a/arch/arm/src/stm32f7/Make.defs +++ b/arch/arm/src/stm32f7/Make.defs @@ -114,7 +114,7 @@ endif CHIP_ASRCS = CHIP_CSRCS = stm32_allocateheap.c stm32_exti_gpio.c stm32_gpio.c CHIP_CSRCS += stm32_irq.c stm32_lowputc.c stm32_rcc.c stm32_serial.c -CHIP_CSRCS += stm32_i2c.c stm32_spi.c stm32_start.c +CHIP_CSRCS += stm32_i2c.c stm32_spi.c stm32_start.c stm32_tim.c ifneq ($(CONFIG_SCHED_TICKLESS),y) CHIP_CSRCS += stm32_timerisr.c diff --git a/arch/arm/src/stm32f7/chip/stm32_tim.h b/arch/arm/src/stm32f7/chip/stm32_tim.h new file mode 100644 index 0000000000..4990022375 --- /dev/null +++ b/arch/arm/src/stm32f7/chip/stm32_tim.h @@ -0,0 +1,1127 @@ +/**************************************************************************************************** + * arch/arm/src/stm32f7/chip/stm32_tim.h + * + * Copyright (C) 2009, 2011-2012 Gregory Nutt. All rights reserved. + * Author: Gregory Nutt + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * 3. Neither the name NuttX nor the names of its contributors may be + * used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS + * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE + * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, + * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS + * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED + * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN + * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + * + ****************************************************************************************************/ + +#ifndef __ARCH_ARM_SRC_STM32F7_CHIP_STM32_TIM_H +#define __ARCH_ARM_SRC_STM32F7_CHIP_STM32_TIM_H + +/**************************************************************************************************** + * Pre-processor Definitions + ****************************************************************************************************/ + +/* Register Offsets *********************************************************************************/ + +/* Basic Timers - TIM6 and TIM7 */ + +#define STM32_BTIM_CR1_OFFSET 0x0000 /* Control register 1 (16-bit) */ +#define STM32_BTIM_CR2_OFFSET 0x0004 /* Control register 2 (16-bit) */ +#define STM32_BTIM_DIER_OFFSET 0x000c /* DMA/Interrupt enable register (16-bit) */ +#define STM32_BTIM_SR_OFFSET 0x0010 /* Status register (16-bit) */ +#define STM32_BTIM_EGR_OFFSET 0x0014 /* Event generation register (16-bit) */ +#define STM32_BTIM_CNT_OFFSET 0x0024 /* Counter (16-bit) */ +#define STM32_BTIM_PSC_OFFSET 0x0028 /* Prescaler (16-bit) */ +#define STM32_BTIM_ARR_OFFSET 0x002c /* Auto-reload register (16-bit) */ + +/* 16-/32-bit General Timers with DMA: TIM2, TM3, TIM4, and TIM5 + * 16-bit General Timers without DMA: TIM9, TIM10, TIM11, TIM12, TIM13, and TIM14 + * For the STM32F10xx all timers are 16-bit. + * For the STM32F20xx and STM32F40xx, TIM2 and 5 are 32-bit + * The STM32 F1 Value Line and the STM32 F3 have variant general purpose registers + * that are not yet fully covered in this header file. + */ + +#define STM32_GTIM_CR1_OFFSET 0x0000 /* Control register 1 (16-bit) */ +#define STM32_GTIM_CR2_OFFSET 0x0004 /* Control register 2 (16-bit, TIM2-5 only) */ +#define STM32_GTIM_SMCR_OFFSET 0x0008 /* Slave mode control register (16-bit, TIM2-5 only) */ +#define STM32_GTIM_DIER_OFFSET 0x000c /* DMA/Interrupt enable register (16-bit) */ +#define STM32_GTIM_SR_OFFSET 0x0010 /* Status register (16-bit) */ +#define STM32_GTIM_EGR_OFFSET 0x0014 /* Event generation register (16-bit) */ +#define STM32_GTIM_CCMR1_OFFSET 0x0018 /* Capture/compare mode register 1 (16-bit) */ +#define STM32_GTIM_CCMR2_OFFSET 0x001c /* Capture/compare mode register 2 (16-bit, TIM2-5 only) */ +#define STM32_GTIM_CCER_OFFSET 0x0020 /* Capture/compare enable register (16-bit) */ +#define STM32_GTIM_CNT_OFFSET 0x0024 /* Counter (16-bit* or 32-bit STM3240 TIM2 and 5 only) */ +#define STM32_GTIM_PSC_OFFSET 0x0028 /* Prescaler (16-bit) */ +#define STM32_GTIM_ARR_OFFSET 0x002c /* Auto-reload register (16-bit) */ +#define STM32_GTIM_CCR1_OFFSET 0x0034 /* Capture/compare register 1 (16-bit or 32-bit STM3240 TIM2/5 only) */ +#define STM32_GTIM_CCR2_OFFSET 0x0038 /* Capture/compare register 2 (16-bit TIM2-5 only or 32-bit STM32 F4 TIM2/5 or STM2 F3 TIM15 only) */ +#define STM32_GTIM_CCR3_OFFSET 0x003c /* Capture/compare register 3 (16-bit TIM2-5 only or 32-bit STM32 F4 TIM2/5 only) */ +#define STM32_GTIM_CCR4_OFFSET 0x0040 /* Capture/compare register 4 (16-bit TIM2-5 only or 32-bit STM32 F4 TIM2/5 only) */ +#define STM32_GTIM_DCR_OFFSET 0x0048 /* DMA control register (16-bit, TIM2-5 only) */ +#define STM32_GTIM_DMAR_OFFSET 0x004c /* DMA address for burst mode (16-bit, TIM2-5 only) */ + +/* The Option register is available on in the + * + * STM32 F1 value line, F2 and F4: TIM2, TIM5, and TIM11 + * STM32 F3 (and possibly the F1 value line): TIM16 + */ + +#define STM32_GTIM_OR_OFFSET 0x0050 /* Timer 2/5/11/16 option register */ + +/* TIM16, and 17 only. + * Only available in the STM32 F1 Value Line and the STM32 F3 family. + */ + +#define STM32_GTIM_RCR_OFFSET 0x002c /* Repetition counter register (TIM16/TIM17) */ +#define STM32_GTIM_BDTR_OFFSET 0x0044 /* Break and dead-time register (TIM16/TIM17) */ + +/* Advanced Timers - TIM1 and TIM8 */ + +#define STM32_ATIM_CR1_OFFSET 0x0000 /* Control register 1 (16-bit) */ +#define STM32_ATIM_CR2_OFFSET 0x0004 /* Control register 2 (16-bit*) */ +#define STM32_ATIM_SMCR_OFFSET 0x0008 /* Slave mode control register (16-bit) */ +#define STM32_ATIM_DIER_OFFSET 0x000c /* DMA/Interrupt enable register (16-bit) */ +#define STM32_ATIM_SR_OFFSET 0x0010 /* Status register (16-bit*) */ +#define STM32_ATIM_EGR_OFFSET 0x0014 /* Event generation register (16-bit) */ +#define STM32_ATIM_CCMR1_OFFSET 0x0018 /* Capture/compare mode register 1 (16-bit*) */ +#define STM32_ATIM_CCMR2_OFFSET 0x001c /* Capture/compare mode register 2 (16-bit*) */ +#define STM32_ATIM_CCER_OFFSET 0x0020 /* Capture/compare enable register (16-bit*) */ +#define STM32_ATIM_CNT_OFFSET 0x0024 /* Counter (16-bit) */ +#define STM32_ATIM_PSC_OFFSET 0x0028 /* Prescaler (16-bit) */ +#define STM32_ATIM_ARR_OFFSET 0x002c /* Auto-reload register (16-bit) */ +#define STM32_ATIM_RCR_OFFSET 0x0030 /* Repetition counter register (16-bit) */ +#define STM32_ATIM_CCR1_OFFSET 0x0034 /* Capture/compare register 1 (16-bit) */ +#define STM32_ATIM_CCR2_OFFSET 0x0038 /* Capture/compare register 2 (16-bit) */ +#define STM32_ATIM_CCR3_OFFSET 0x003c /* Capture/compare register 3 (16-bit) */ +#define STM32_ATIM_CCR4_OFFSET 0x0040 /* Capture/compare register 4 (16-bit) */ +#define STM32_ATIM_BDTR_OFFSET 0x0044 /* Break and dead-time register (16-bit*) */ +#define STM32_ATIM_DCR_OFFSET 0x0048 /* DMA control register (16-bit) */ +#define STM32_ATIM_DMAR_OFFSET 0x004c /* DMA address for burst mode (16-bit) */ + +/* Register Addresses *******************************************************************************/ + +/* Advanced Timers - TIM1 and TIM8 */ + +#if STM32F7_NATIM > 0 +# define STM32_TIM1_CR1 (STM32_TIM1_BASE+STM32_ATIM_CR1_OFFSET) +# define STM32_TIM1_CR2 (STM32_TIM1_BASE+STM32_ATIM_CR2_OFFSET) +# define STM32_TIM1_SMCR (STM32_TIM1_BASE+STM32_ATIM_SMCR_OFFSET) +# define STM32_TIM1_DIER (STM32_TIM1_BASE+STM32_ATIM_DIER_OFFSET) +# define STM32_TIM1_SR (STM32_TIM1_BASE+STM32_ATIM_SR_OFFSET) +# define STM32_TIM1_EGR (STM32_TIM1_BASE+STM32_ATIM_EGR_OFFSET) +# define STM32_TIM1_CCMR1 (STM32_TIM1_BASE+STM32_ATIM_CCMR1_OFFSET) +# define STM32_TIM1_CCMR2 (STM32_TIM1_BASE+STM32_ATIM_CCMR2_OFFSET) +# define STM32_TIM1_CCER (STM32_TIM1_BASE+STM32_ATIM_CCER_OFFSET) +# define STM32_TIM1_CNT (STM32_TIM1_BASE+STM32_ATIM_CNT_OFFSET) +# define STM32_TIM1_PSC (STM32_TIM1_BASE+STM32_ATIM_PSC_OFFSET) +# define STM32_TIM1_ARR (STM32_TIM1_BASE+STM32_ATIM_ARR_OFFSET) +# define STM32_TIM1_RCR (STM32_TIM1_BASE+STM32_ATIM_RCR_OFFSET) +# define STM32_TIM1_CCR1 (STM32_TIM1_BASE+STM32_ATIM_CCR1_OFFSET) +# define STM32_TIM1_CCR2 (STM32_TIM1_BASE+STM32_ATIM_CCR2_OFFSET) +# define STM32_TIM1_CCR3 (STM32_TIM1_BASE+STM32_ATIM_CCR3_OFFSET) +# define STM32_TIM1_CCR4 (STM32_TIM1_BASE+STM32_ATIM_CCR4_OFFSET) +# define STM32_TIM1_BDTR (STM32_TIM1_BASE+STM32_ATIM_BDTR_OFFSET) +# define STM32_TIM1_DCR (STM32_TIM1_BASE+STM32_ATIM_DCR_OFFSET) +# define STM32_TIM1_DMAR (STM32_TIM1_BASE+STM32_ATIM_DMAR_OFFSET) +#endif + +#if STM32F7_NATIM > 1 +# define STM32_TIM8_CR1 (STM32_TIM8_BASE+STM32_ATIM_CR1_OFFSET) +# define STM32_TIM8_CR2 (STM32_TIM8_BASE+STM32_ATIM_CR2_OFFSET) +# define STM32_TIM8_SMCR (STM32_TIM8_BASE+STM32_ATIM_SMCR_OFFSET) +# define STM32_TIM8_DIER (STM32_TIM8_BASE+STM32_ATIM_DIER_OFFSET) +# define STM32_TIM8_SR (STM32_TIM8_BASE+STM32_ATIM_SR_OFFSET) +# define STM32_TIM8_EGR (STM32_TIM8_BASE+STM32_ATIM_EGR_OFFSET) +# define STM32_TIM8_CCMR1 (STM32_TIM8_BASE+STM32_ATIM_CCMR1_OFFSET) +# define STM32_TIM8_CCMR2 (STM32_TIM8_BASE+STM32_ATIM_CCMR2_OFFSET) +# define STM32_TIM8_CCER (STM32_TIM8_BASE+STM32_ATIM_CCER_OFFSET) +# define STM32_TIM8_CNT (STM32_TIM8_BASE+STM32_ATIM_CNT_OFFSET) +# define STM32_TIM8_PSC (STM32_TIM8_BASE+STM32_ATIM_PSC_OFFSET) +# define STM32_TIM8_ARR (STM32_TIM8_BASE+STM32_ATIM_ARR_OFFSET) +# define STM32_TIM8_RCR (STM32_TIM8_BASE+STM32_ATIM_RCR_OFFSET) +# define STM32_TIM8_CCR1 (STM32_TIM8_BASE+STM32_ATIM_CCR1_OFFSET) +# define STM32_TIM8_CCR2 (STM32_TIM8_BASE+STM32_ATIM_CCR2_OFFSET) +# define STM32_TIM8_CCR3 (STM32_TIM8_BASE+STM32_ATIM_CCR3_OFFSET) +# define STM32_TIM8_CCR4 (STM32_TIM8_BASE+STM32_ATIM_CCR4_OFFSET) +# define STM32_TIM8_BDTR (STM32_TIM8_BASE+STM32_ATIM_BDTR_OFFSET) +# define STM32_TIM8_DCR (STM32_TIM8_BASE+STM32_ATIM_DCR_OFFSET) +# define STM32_TIM8_DMAR (STM32_TIM8_BASE+STM32_ATIM_DMAR_OFFSET) +#endif + +/* 16-/32-bit General Timers - TIM2, TIM3, TIM4, and TIM5 with DMA. + * For the STM32F10xx all timers are 16-bit. + * For the STM32F2xx and STM32F40xx, TIM2 and 5 are 32-bit + */ + +#if (STM32F7_NGTIM16+STM32F7_NGTIM32) > 0 +# define STM32_TIM2_CR1 (STM32_TIM2_BASE+STM32_GTIM_CR1_OFFSET) +# define STM32_TIM2_CR2 (STM32_TIM2_BASE+STM32_GTIM_CR2_OFFSET) +# define STM32_TIM2_SMCR (STM32_TIM2_BASE+STM32_GTIM_SMCR_OFFSET) +# define STM32_TIM2_DIER (STM32_TIM2_BASE+STM32_GTIM_DIER_OFFSET) +# define STM32_TIM2_SR (STM32_TIM2_BASE+STM32_GTIM_SR_OFFSET) +# define STM32_TIM2_EGR (STM32_TIM2_BASE+STM32_GTIM_EGR_OFFSET) +# define STM32_TIM2_CCMR1 (STM32_TIM2_BASE+STM32_GTIM_CCMR1_OFFSET) +# define STM32_TIM2_CCMR2 (STM32_TIM2_BASE+STM32_GTIM_CCMR2_OFFSET) +# define STM32_TIM2_CCER (STM32_TIM2_BASE+STM32_GTIM_CCER_OFFSET) +# define STM32_TIM2_CNT (STM32_TIM2_BASE+STM32_GTIM_CNT_OFFSET) +# define STM32_TIM2_PSC (STM32_TIM2_BASE+STM32_GTIM_PSC_OFFSET) +# define STM32_TIM2_ARR (STM32_TIM2_BASE+STM32_GTIM_ARR_OFFSET) +# define STM32_TIM2_CCR1 (STM32_TIM2_BASE+STM32_GTIM_CCR1_OFFSET) +# define STM32_TIM2_CCR2 (STM32_TIM2_BASE+STM32_GTIM_CCR2_OFFSET) +# define STM32_TIM2_CCR3 (STM32_TIM2_BASE+STM32_GTIM_CCR3_OFFSET) +# define STM32_TIM2_CCR4 (STM32_TIM2_BASE+STM32_GTIM_CCR4_OFFSET) +# define STM32_TIM2_DCR (STM32_TIM2_BASE+STM32_GTIM_DCR_OFFSET) +# define STM32_TIM2_DMAR (STM32_TIM2_BASE+STM32_GTIM_DMAR_OFFSET) +#endif + +#if (STM32F7_NGTIM16+STM32F7_NGTIM32) > 1 +# define STM32_TIM3_CR1 (STM32_TIM3_BASE+STM32_GTIM_CR1_OFFSET) +# define STM32_TIM3_CR2 (STM32_TIM3_BASE+STM32_GTIM_CR2_OFFSET) +# define STM32_TIM3_SMCR (STM32_TIM3_BASE+STM32_GTIM_SMCR_OFFSET) +# define STM32_TIM3_DIER (STM32_TIM3_BASE+STM32_GTIM_DIER_OFFSET) +# define STM32_TIM3_SR (STM32_TIM3_BASE+STM32_GTIM_SR_OFFSET) +# define STM32_TIM3_EGR (STM32_TIM3_BASE+STM32_GTIM_EGR_OFFSET) +# define STM32_TIM3_CCMR1 (STM32_TIM3_BASE+STM32_GTIM_CCMR1_OFFSET) +# define STM32_TIM3_CCMR2 (STM32_TIM3_BASE+STM32_GTIM_CCMR2_OFFSET) +# define STM32_TIM3_CCER (STM32_TIM3_BASE+STM32_GTIM_CCER_OFFSET) +# define STM32_TIM3_CNT (STM32_TIM3_BASE+STM32_GTIM_CNT_OFFSET) +# define STM32_TIM3_PSC (STM32_TIM3_BASE+STM32_GTIM_PSC_OFFSET) +# define STM32_TIM3_ARR (STM32_TIM3_BASE+STM32_GTIM_ARR_OFFSET) +# define STM32_TIM3_CCR1 (STM32_TIM3_BASE+STM32_GTIM_CCR1_OFFSET) +# define STM32_TIM3_CCR2 (STM32_TIM3_BASE+STM32_GTIM_CCR2_OFFSET) +# define STM32_TIM3_CCR3 (STM32_TIM3_BASE+STM32_GTIM_CCR3_OFFSET) +# define STM32_TIM3_CCR4 (STM32_TIM3_BASE+STM32_GTIM_CCR4_OFFSET) +# define STM32_TIM3_DCR (STM32_TIM3_BASE+STM32_GTIM_DCR_OFFSET) +# define STM32_TIM3_DMAR (STM32_TIM3_BASE+STM32_GTIM_DMAR_OFFSET) +#endif + +#if (STM32F7_NGTIM16+STM32F7_NGTIM32) > 2 +# define STM32_TIM4_CR1 (STM32_TIM4_BASE+STM32_GTIM_CR1_OFFSET) +# define STM32_TIM4_CR2 (STM32_TIM4_BASE+STM32_GTIM_CR2_OFFSET) +# define STM32_TIM4_SMCR (STM32_TIM4_BASE+STM32_GTIM_SMCR_OFFSET) +# define STM32_TIM4_DIER (STM32_TIM4_BASE+STM32_GTIM_DIER_OFFSET) +# define STM32_TIM4_SR (STM32_TIM4_BASE+STM32_GTIM_SR_OFFSET) +# define STM32_TIM4_EGR (STM32_TIM4_BASE+STM32_GTIM_EGR_OFFSET) +# define STM32_TIM4_CCMR1 (STM32_TIM4_BASE+STM32_GTIM_CCMR1_OFFSET) +# define STM32_TIM4_CCMR2 (STM32_TIM4_BASE+STM32_GTIM_CCMR2_OFFSET) +# define STM32_TIM4_CCER (STM32_TIM4_BASE+STM32_GTIM_CCER_OFFSET) +# define STM32_TIM4_CNT (STM32_TIM4_BASE+STM32_GTIM_CNT_OFFSET) +# define STM32_TIM4_PSC (STM32_TIM4_BASE+STM32_GTIM_PSC_OFFSET) +# define STM32_TIM4_ARR (STM32_TIM4_BASE+STM32_GTIM_ARR_OFFSET) +# define STM32_TIM4_CCR1 (STM32_TIM4_BASE+STM32_GTIM_CCR1_OFFSET) +# define STM32_TIM4_CCR2 (STM32_TIM4_BASE+STM32_GTIM_CCR2_OFFSET) +# define STM32_TIM4_CCR3 (STM32_TIM4_BASE+STM32_GTIM_CCR3_OFFSET) +# define STM32_TIM4_CCR4 (STM32_TIM4_BASE+STM32_GTIM_CCR4_OFFSET) +# define STM32_TIM4_DCR (STM32_TIM4_BASE+STM32_GTIM_DCR_OFFSET) +# define STM32_TIM4_DMAR (STM32_TIM4_BASE+STM32_GTIM_DMAR_OFFSET) +#endif + +#if (STM32F7_NGTIM16+STM32F7_NGTIM32) > 3 +# define STM32_TIM5_CR1 (STM32_TIM5_BASE+STM32_GTIM_CR1_OFFSET) +# define STM32_TIM5_CR2 (STM32_TIM5_BASE+STM32_GTIM_CR2_OFFSET) +# define STM32_TIM5_SMCR (STM32_TIM5_BASE+STM32_GTIM_SMCR_OFFSET) +# define STM32_TIM5_DIER (STM32_TIM5_BASE+STM32_GTIM_DIER_OFFSET) +# define STM32_TIM5_SR (STM32_TIM5_BASE+STM32_GTIM_SR_OFFSET) +# define STM32_TIM5_EGR (STM32_TIM5_BASE+STM32_GTIM_EGR_OFFSET) +# define STM32_TIM5_CCMR1 (STM32_TIM5_BASE+STM32_GTIM_CCMR1_OFFSET) +# define STM32_TIM5_CCMR2 (STM32_TIM5_BASE+STM32_GTIM_CCMR2_OFFSET) +# define STM32_TIM5_CCER (STM32_TIM5_BASE+STM32_GTIM_CCER_OFFSET) +# define STM32_TIM5_CNT (STM32_TIM5_BASE+STM32_GTIM_CNT_OFFSET) +# define STM32_TIM5_PSC (STM32_TIM5_BASE+STM32_GTIM_PSC_OFFSET) +# define STM32_TIM5_ARR (STM32_TIM5_BASE+STM32_GTIM_ARR_OFFSET) +# define STM32_TIM5_CCR1 (STM32_TIM5_BASE+STM32_GTIM_CCR1_OFFSET) +# define STM32_TIM5_CCR2 (STM32_TIM5_BASE+STM32_GTIM_CCR2_OFFSET) +# define STM32_TIM5_CCR3 (STM32_TIM5_BASE+STM32_GTIM_CCR3_OFFSET) +# define STM32_TIM5_CCR4 (STM32_TIM5_BASE+STM32_GTIM_CCR4_OFFSET) +# define STM32_TIM5_DCR (STM32_TIM5_BASE+STM32_GTIM_DCR_OFFSET) +# define STM32_TIM5_DMAR (STM32_TIM5_BASE+STM32_GTIM_DMAR_OFFSET) +# define STM32_TIM2_OR (STM32_TIM2_BASE+STM32_GTIM_OR_OFFSET) +#endif + +#define STM32_TIM15_CR1 (STM32_TIM15_BASE+STM32_GTIM_CR1_OFFSET) +#define STM32_TIM15_CR2 (STM32_TIM15_BASE+STM32_GTIM_CR2_OFFSET) +#define STM32_TIM15_SMCR (STM32_TIM15_BASE+STM32_GTIM_SMCR_OFFSET) +#define STM32_TIM15_DIER (STM32_TIM15_BASE+STM32_GTIM_DIER_OFFSET) +#define STM32_TIM15_SR (STM32_TIM15_BASE+STM32_GTIM_SR_OFFSET) +#define STM32_TIM15_EGR (STM32_TIM15_BASE+STM32_GTIM_EGR_OFFSET) +#define STM32_TIM15_CCMR1 (STM32_TIM15_BASE+STM32_GTIM_CCMR1_OFFSET) +#define STM32_TIM15_CCER (STM32_TIM15_BASE+STM32_GTIM_CCER_OFFSET) +#define STM32_TIM15_CNT (STM32_TIM15_BASE+STM32_GTIM_CNT_OFFSET) +#define STM32_TIM15_PSC (STM32_TIM15_BASE+STM32_GTIM_PSC_OFFSET) +#define STM32_TIM15_ARR (STM32_TIM15_BASE+STM32_GTIM_ARR_OFFSET) +#define STM32_TIM15_RCR (STM32_TIM15_BASE+STM32_GTIM_RCR_OFFSET) +#define STM32_TIM15_CCR1 (STM32_TIM15_BASE+STM32_GTIM_CCR1_OFFSET) +#define STM32_TIM15_CCR2 (STM32_TIM15_BASE+STM32_GTIM_CCR2_OFFSET) +#define STM32_TIM15_BDTR (STM32_TIM15_BASE+STM32_GTIM_BDTR_OFFSET) +#define STM32_TIM15_DCR (STM32_TIM15_BASE+STM32_GTIM_DCR_OFFSET) +#define STM32_TIM15_DMAR (STM32_TIM15_BASE+STM32_GTIM_DMAR_OFFSET) + +#define STM32_TIM16_CR1 (STM32_TIM16_BASE+STM32_GTIM_CR1_OFFSET) +#define STM32_TIM16_CR2 (STM32_TIM16_BASE+STM32_GTIM_CR2_OFFSET) +#define STM32_TIM16_DIER (STM32_TIM16_BASE+STM32_GTIM_DIER_OFFSET) +#define STM32_TIM16_SR (STM32_TIM16_BASE+STM32_GTIM_SR_OFFSET) +#define STM32_TIM16_EGR (STM32_TIM16_BASE+STM32_GTIM_EGR_OFFSET) +#define STM32_TIM16_CCMR1 (STM32_TIM16_BASE+STM32_GTIM_CCMR1_OFFSET) +#define STM32_TIM16_CCMR2 (STM32_TIM16_BASE+STM32_GTIM_CCMR2_OFFSET) +#define STM32_TIM16_CCER (STM32_TIM16_BASE+STM32_GTIM_CCER_OFFSET) +#define STM32_TIM16_CNT (STM32_TIM16_BASE+STM32_GTIM_CNT_OFFSET) +#define STM32_TIM16_PSC (STM32_TIM16_BASE+STM32_GTIM_PSC_OFFSET) +#define STM32_TIM16_ARR (STM32_TIM16_BASE+STM32_GTIM_ARR_OFFSET) +#define STM32_TIM16_RCR (STM32_TIM16_BASE+STM32_GTIM_RCR_OFFSET) +#define STM32_TIM16_CCR1 (STM32_TIM16_BASE+STM32_GTIM_CCR1_OFFSET) +#define STM32_TIM16_BDTR (STM32_TIM16_BASE+STM32_GTIM_BDTR_OFFSET) +#define STM32_TIM16_DCR (STM32_TIM16_BASE+STM32_GTIM_DCR_OFFSET) +#define STM32_TIM16_DMAR (STM32_TIM16_BASE+STM32_GTIM_DMAR_OFFSET) +#define STM32_TIM16_OR (STM32_TIM16_BASE+STM32_GTIM_OR_OFFSET) + +#define STM32_TIM17_CR1 (STM32_TIM17_BASE+STM32_GTIM_CR1_OFFSET) +#define STM32_TIM17_CR2 (STM32_TIM17_BASE+STM32_GTIM_CR2_OFFSET) +#define STM32_TIM17_DIER (STM32_TIM17_BASE+STM32_GTIM_DIER_OFFSET) +#define STM32_TIM17_SR (STM32_TIM17_BASE+STM32_GTIM_SR_OFFSET) +#define STM32_TIM17_EGR (STM32_TIM17_BASE+STM32_GTIM_EGR_OFFSET) +#define STM32_TIM17_CCMR1 (STM32_TIM17_BASE+STM32_GTIM_CCMR1_OFFSET) +#define STM32_TIM17_CCMR2 (STM32_TIM17_BASE+STM32_GTIM_CCMR2_OFFSET) +#define STM32_TIM17_CCER (STM32_TIM17_BASE+STM32_GTIM_CCER_OFFSET) +#define STM32_TIM17_CNT (STM32_TIM17_BASE+STM32_GTIM_CNT_OFFSET) +#define STM32_TIM17_PSC (STM32_TIM17_BASE+STM32_GTIM_PSC_OFFSET) +#define STM32_TIM17_ARR (STM32_TIM17_BASE+STM32_GTIM_ARR_OFFSET) +#define STM32_TIM17_RCR (STM32_TIM17_BASE+STM32_GTIM_RCR_OFFSET) +#define STM32_TIM17_CCR1 (STM32_TIM17_BASE+STM32_GTIM_CCR1_OFFSET) +#define STM32_TIM17_BDTR (STM32_TIM17_BASE+STM32_GTIM_BDTR_OFFSET) +#define STM32_TIM17_DCR (STM32_TIM17_BASE+STM32_GTIM_DCR_OFFSET) +#define STM32_TIM17_DMAR (STM32_TIM17_BASE+STM32_GTIM_DMAR_OFFSET) + +/* 16-bit General Timers - TIM9-14 without DMA. Note that (1) these timers + * support only a subset of the general timer registers are supported, and + * (2) TIM9 and TIM12 differ from the others. + */ + +#if STM32F7_NGTIMNDMA > 0 +# define STM32_TIM9_CR1 (STM32_TIM9_BASE+STM32_GTIM_CR1_OFFSET) +# define STM32_TIM9_CR2 (STM32_TIM9_BASE+STM32_GTIM_CR2_OFFSET) +# define STM32_TIM9_DIER (STM32_TIM9_BASE+STM32_GTIM_DIER_OFFSET) +# define STM32_TIM9_SR (STM32_TIM9_BASE+STM32_GTIM_SR_OFFSET) +# define STM32_TIM9_EGR (STM32_TIM9_BASE+STM32_GTIM_EGR_OFFSET) +# define STM32_TIM9_CCMR1 (STM32_TIM9_BASE+STM32_GTIM_CCMR1_OFFSET) +# define STM32_TIM9_CCER (STM32_TIM9_BASE+STM32_GTIM_CCER_OFFSET) +# define STM32_TIM9_CNT (STM32_TIM9_BASE+STM32_GTIM_CNT_OFFSET) +# define STM32_TIM9_PSC (STM32_TIM9_BASE+STM32_GTIM_PSC_OFFSET) +# define STM32_TIM9_ARR (STM32_TIM9_BASE+STM32_GTIM_ARR_OFFSET) +# define STM32_TIM9_CCR1 (STM32_TIM9_BASE+STM32_GTIM_CCR1_OFFSET) +# define STM32_TIM9_CCR2 (STM32_TIM9_BASE+STM32_GTIM_CCR2_OFFSET) +#endif + +#if STM32F7_NGTIMNDMA > 1 +# define STM32_TIM10_CR1 (STM32_TIM10_BASE+STM32_GTIM_CR1_OFFSET) +# define STM32_TIM10_DIER (STM32_TIM10_BASE+STM32_GTIM_DIER_OFFSET) +# define STM32_TIM10_SR (STM32_TIM10_BASE+STM32_GTIM_SR_OFFSET) +# define STM32_TIM10_EGR (STM32_TIM10_BASE+STM32_GTIM_EGR_OFFSET) +# define STM32_TIM10_CCMR1 (STM32_TIM10_BASE+STM32_GTIM_CCMR1_OFFSET) +# define STM32_TIM10_CCER (STM32_TIM10_BASE+STM32_GTIM_CCER_OFFSET) +# define STM32_TIM10_CNT (STM32_TIM10_BASE+STM32_GTIM_CNT_OFFSET) +# define STM32_TIM10_PSC (STM32_TIM10_BASE+STM32_GTIM_PSC_OFFSET) +# define STM32_TIM10_ARR (STM32_TIM10_BASE+STM32_GTIM_ARR_OFFSET) +# define STM32_TIM10_CCR1 (STM32_TIM10_BASE+STM32_GTIM_CCR1_OFFSET) +#endif + +#if STM32F7_NGTIMNDMA > 2 +# define STM32_TIM11_CR1 (STM32_TIM11_BASE+STM32_GTIM_CR1_OFFSET) +# define STM32_TIM11_DIER (STM32_TIM11_BASE+STM32_GTIM_DIER_OFFSET) +# define STM32_TIM11_SR (STM32_TIM11_BASE+STM32_GTIM_SR_OFFSET) +# define STM32_TIM11_EGR (STM32_TIM11_BASE+STM32_GTIM_EGR_OFFSET) +# define STM32_TIM11_CCMR1 (STM32_TIM11_BASE+STM32_GTIM_CCMR1_OFFSET) +# define STM32_TIM11_CCER (STM32_TIM11_BASE+STM32_GTIM_CCER_OFFSET) +# define STM32_TIM11_CNT (STM32_TIM11_BASE+STM32_GTIM_CNT_OFFSET) +# define STM32_TIM11_PSC (STM32_TIM11_BASE+STM32_GTIM_PSC_OFFSET) +# define STM32_TIM11_ARR (STM32_TIM11_BASE+STM32_GTIM_ARR_OFFSET) +# define STM32_TIM11_CCR1 (STM32_TIM11_BASE+STM32_GTIM_CCR1_OFFSET) +# define STM32_TIM11_OR (STM32_TIM11_BASE+STM32_GTIM_OR_OFFSET) +#endif + +#if STM32F7_NGTIMNDMA > 3 +# define STM32_TIM12_CR1 (STM32_TIM12_BASE+STM32_GTIM_CR1_OFFSET) +# define STM32_TIM12_CR2 (STM32_TIM9_BASE+STM32_GTIM_CR2_OFFSET) +# define STM32_TIM12_DIER (STM32_TIM12_BASE+STM32_GTIM_DIER_OFFSET) +# define STM32_TIM12_SR (STM32_TIM12_BASE+STM32_GTIM_SR_OFFSET) +# define STM32_TIM12_EGR (STM32_TIM12_BASE+STM32_GTIM_EGR_OFFSET) +# define STM32_TIM12_CCMR1 (STM32_TIM12_BASE+STM32_GTIM_CCMR1_OFFSET) +# define STM32_TIM12_CCER (STM32_TIM12_BASE+STM32_GTIM_CCER_OFFSET) +# define STM32_TIM12_CNT (STM32_TIM12_BASE+STM32_GTIM_CNT_OFFSET) +# define STM32_TIM12_PSC (STM32_TIM12_BASE+STM32_GTIM_PSC_OFFSET) +# define STM32_TIM12_ARR (STM32_TIM12_BASE+STM32_GTIM_ARR_OFFSET) +# define STM32_TIM12_CCR1 (STM32_TIM12_BASE+STM32_GTIM_CCR1_OFFSET) +# define STM32_TIM12_CCR2 (STM32_TIM12_BASE+STM32_GTIM_CCR2_OFFSET) +#endif + +#if STM32F7_NGTIMNDMA > 4 +# define STM32_TIM13_CR1 (STM32_TIM13_BASE+STM32_GTIM_CR1_OFFSET) +# define STM32_TIM13_DIER (STM32_TIM13_BASE+STM32_GTIM_DIER_OFFSET) +# define STM32_TIM13_SR (STM32_TIM13_BASE+STM32_GTIM_SR_OFFSET) +# define STM32_TIM13_EGR (STM32_TIM13_BASE+STM32_GTIM_EGR_OFFSET) +# define STM32_TIM13_CCMR1 (STM32_TIM13_BASE+STM32_GTIM_CCMR1_OFFSET) +# define STM32_TIM13_CCER (STM32_TIM13_BASE+STM32_GTIM_CCER_OFFSET) +# define STM32_TIM13_CNT (STM32_TIM13_BASE+STM32_GTIM_CNT_OFFSET) +# define STM32_TIM13_PSC (STM32_TIM13_BASE+STM32_GTIM_PSC_OFFSET) +# define STM32_TIM13_ARR (STM32_TIM13_BASE+STM32_GTIM_ARR_OFFSET) +# define STM32_TIM13_CCR1 (STM32_TIM13_BASE+STM32_GTIM_CCR1_OFFSET) +#endif + +#if STM32F7_NGTIMNDMA > 5 +# define STM32_TIM14_CR1 (STM32_TIM14_BASE+STM32_GTIM_CR1_OFFSET) +# define STM32_TIM14_DIER (STM32_TIM14_BASE+STM32_GTIM_DIER_OFFSET) +# define STM32_TIM14_SR (STM32_TIM14_BASE+STM32_GTIM_SR_OFFSET) +# define STM32_TIM14_EGR (STM32_TIM14_BASE+STM32_GTIM_EGR_OFFSET) +# define STM32_TIM14_CCMR1 (STM32_TIM14_BASE+STM32_GTIM_CCMR1_OFFSET) +# define STM32_TIM14_CCER (STM32_TIM14_BASE+STM32_GTIM_CCER_OFFSET) +# define STM32_TIM14_CNT (STM32_TIM14_BASE+STM32_GTIM_CNT_OFFSET) +# define STM32_TIM14_PSC (STM32_TIM14_BASE+STM32_GTIM_PSC_OFFSET) +# define STM32_TIM14_ARR (STM32_TIM14_BASE+STM32_GTIM_ARR_OFFSET) +# define STM32_TIM14_CCR1 (STM32_TIM14_BASE+STM32_GTIM_CCR1_OFFSET) +#endif + +/* Basic Timers - TIM6 and TIM7 */ + +#if STM32F7_NBTIM > 0 +# define STM32_TIM6_CR1 (STM32_TIM6_BASE+STM32_BTIM_CR1_OFFSET) +# define STM32_TIM6_CR2 (STM32_TIM6_BASE+STM32_BTIM_CR2_OFFSET) +# define STM32_TIM6_DIER (STM32_TIM6_BASE+STM32_BTIM_DIER_OFFSET) +# define STM32_TIM6_SR (STM32_TIM6_BASE+STM32_BTIM_SR_OFFSET) +# define STM32_TIM6_EGR (STM32_TIM6_BASE+STM32_BTIM_EGR_OFFSET) +# define STM32_TIM6_CNT (STM32_TIM6_BASE+STM32_BTIM_CNT_OFFSET) +# define STM32_TIM6_PSC (STM32_TIM6_BASE+STM32_BTIM_PSC_OFFSET) +# define STM32_TIM6_ARR (STM32_TIM6_BASE+STM32_BTIM_ARR_OFFSET) +#endif + +#if STM32F7_NBTIM > 1 +# define STM32_TIM7_CR1 (STM32_TIM7_BASE+STM32_BTIM_CR1_OFFSET) +# define STM32_TIM7_CR2 (STM32_TIM7_BASE+STM32_BTIM_CR2_OFFSET) +# define STM32_TIM7_DIER (STM32_TIM7_BASE+STM32_BTIM_DIER_OFFSET) +# define STM32_TIM7_SR (STM32_TIM7_BASE+STM32_BTIM_SR_OFFSET) +# define STM32_TIM7_EGR (STM32_TIM7_BASE+STM32_BTIM_EGR_OFFSET) +# define STM32_TIM7_CNT (STM32_TIM7_BASE+STM32_BTIM_CNT_OFFSET) +# define STM32_TIM7_PSC (STM32_TIM7_BASE+STM32_BTIM_PSC_OFFSET) +# define STM32_TIM7_ARR (STM32_TIM7_BASE+STM32_BTIM_ARR_OFFSET) +#endif + +/* Register Bitfield Definitions ********************************************************************/ + +/* Control register 1 */ + +#define ATIM_CR1_CEN (1 << 0) /* Bit 0: Counter enable */ +#define ATIM_CR1_UDIS (1 << 1) /* Bit 1: Update disable */ +#define ATIM_CR1_URS (1 << 2) /* Bit 2: Update request source */ +#define ATIM_CR1_OPM (1 << 3) /* Bit 3: One pulse mode */ +#define ATIM_CR1_DIR (1 << 4) /* Bit 4: Direction */ +#define ATIM_CR1_CMS_SHIFT (5) /* Bits 6-5: Center-aligned mode selection */ +#define ATIM_CR1_CMS_MASK (3 << ATIM_CR1_CMS_SHIFT) +# define ATIM_CR1_EDGE (0 << ATIM_CR1_CMS_SHIFT) /* 00: Edge-aligned mode */ +# define ATIM_CR1_CENTER1 (1 << ATIM_CR1_CMS_SHIFT) /* 01: Center-aligned mode 1 */ +# define ATIM_CR1_CENTER2 (2 << ATIM_CR1_CMS_SHIFT) /* 10: Center-aligned mode 2 */ +# define ATIM_CR1_CENTER3 (3 << ATIM_CR1_CMS_SHIFT) /* 11: Center-aligned mode 3 */ +#define ATIM_CR1_ARPE (1 << 7) /* Bit 7: Auto-reload preload enable */ +#define ATIM_CR1_CKD_SHIFT (8) /* Bits 9-8: Clock division */ +#define ATIM_CR1_CKD_MASK (3 << ATIM_CR1_CKD_SHIFT) +# define ATIM_CR1_TCKINT (0 << ATIM_CR1_CKD_SHIFT) /* 00: tDTS=tCK_INT */ +# define ATIM_CR1_2TCKINT (1 << ATIM_CR1_CKD_SHIFT) /* 01: tDTS=2*tCK_INT */ +# define ATIM_CR1_4TCKINT (2 << ATIM_CR1_CKD_SHIFT) /* 10: tDTS=4*tCK_INT */ + +/* Control register 2 */ + +#define ATIM_CR2_CCPC (1 << 0) /* Bit 0: Capture/Compare Preloaded Control */ +#define ATIM_CR2_CCUS (1 << 2) /* Bit 2: Capture/Compare Control Update Selection */ +#define ATIM_CR2_CCDS (1 << 3) /* Bit 3: Capture/Compare DMA Selection */ +#define ATIM_CR2_MMS_SHIFT (4) /* Bits 6-4: Master Mode Selection */ +#define ATIM_CR2_MMS_MASK (7 << ATIM_CR2_MMS_SHIFT) +# define ATIM_CR2_MMS_RESET (0 << ATIM_CR2_MMS_SHIFT) /* 000: Reset - TIMx_EGR UG bit is TRGO */ +# define ATIM_CR2_MMS_ENABLE (1 << ATIM_CR2_MMS_SHIFT) /* 001: Enable - CNT_EN is TRGO */ +# define ATIM_CR2_MMS_UPDATE (2 << ATIM_CR2_MMS_SHIFT) /* 010: Update event is TRGO */ +# define ATIM_CR2_MMS_COMPP (3 << ATIM_CR2_MMS_SHIFT) /* 010: Compare Pulse - CC1IF flag */ +# define ATIM_CR2_MMS_OC1REF (4 << ATIM_CR2_MMS_SHIFT) /* 100: Compare OC1REF is TRGO */ +# define ATIM_CR2_MMS_OC2REF (5 << ATIM_CR2_MMS_SHIFT) /* 101: Compare OC2REF is TRGO */ +# define ATIM_CR2_MMS_OC3REF (6 << ATIM_CR2_MMS_SHIFT) /* 110: Compare OC3REF is TRGO */ +# define ATIM_CR2_MMS_OC4REF (7 << ATIM_CR2_MMS_SHIFT) /* 111: Compare OC4REF is TRGO */ +#define ATIM_CR2_TI1S (1 << 7) /* Bit 7: TI1 Selection */ +#define ATIM_CR2_OIS1 (1 << 8) /* Bit 8: Output Idle state 1 (OC1 output) */ +#define ATIM_CR2_OIS1N (1 << 9) /* Bit 9: Output Idle state 1 (OC1N output) */ +#define ATIM_CR2_OIS2 (1 << 10) /* Bit 10: Output Idle state 2 (OC2 output) */ +#define ATIM_CR2_OIS2N (1 << 11) /* Bit 11: Output Idle state 2 (OC2N output) */ +#define ATIM_CR2_OIS3 (1 << 12) /* Bit 12: Output Idle state 3 (OC3 output) */ +#define ATIM_CR2_OIS3N (1 << 13) /* Bit 13: Output Idle state 3 (OC3N output) */ +#define ATIM_CR2_OIS4 (1 << 14) /* Bit 14: Output Idle state 4 (OC4 output) */ + +/* Slave mode control register */ + +#define ATIM_SMCR_SMS_SHIFT (0) /* Bits 0-2: Slave mode selection */ +#define ATIM_SMCR_SMS_MASK (7 << ATIM_SMCR_SMS_SHIFT) +# define ATIM_SMCR_DISAB (0 << ATIM_SMCR_SMS_SHIFT) /* 000: Slave mode disabled */ +# define ATIM_SMCR_ENCMD1 (1 << ATIM_SMCR_SMS_SHIFT) /* 001: Encoder mode 1 */ +# define ATIM_SMCR_ENCMD2 (2 << ATIM_SMCR_SMS_SHIFT) /* 010: Encoder mode 2 */ +# define ATIM_SMCR_ENCMD3 (3 << ATIM_SMCR_SMS_SHIFT) /* 011: Encoder mode 3 */ +# define ATIM_SMCR_RESET (4 << ATIM_SMCR_SMS_SHIFT) /* 100: Reset Mode */ +# define ATIM_SMCR_GATED (5 << ATIM_SMCR_SMS_SHIFT) /* 101: Gated Mode */ +# define ATIM_SMCR_TRIGGER (6 << ATIM_SMCR_SMS_SHIFT) /* 110: Trigger Mode */ +# define ATIM_SMCR_EXTCLK1 (7 << ATIM_SMCR_SMS_SHIFT) /* 111: External Clock Mode 1 */ +#define ATIM_SMCR_TS_SHIFT (4) /* Bits 4-6: Trigger selection */ +#define ATIM_SMCR_TS_MASK (7 << ATIM_SMCR_TS_SHIFT) +# define ATIM_SMCR_ITR0 (0 << ATIM_SMCR_TS_SHIFT) /* 000: Internal trigger 0 (ITR0) */ +# define ATIM_SMCR_ITR1 (1 << ATIM_SMCR_TS_SHIFT) /* 001: Internal trigger 1 (ITR1) */ +# define ATIM_SMCR_ITR2 (2 << ATIM_SMCR_TS_SHIFT) /* 010: Internal trigger 2 (ITR2) */ +# define ATIM_SMCR_ITR3 (3 << ATIM_SMCR_TS_SHIFT) /* 011: Internal trigger 3 (ITR3) */ +# define ATIM_SMCR_T1FED (4 << ATIM_SMCR_TS_SHIFT) /* 100: TI1 Edge Detector (TI1F_ED) */ +# define ATIM_SMCR_TI1FP1 (5 << ATIM_SMCR_TS_SHIFT) /* 101: Filtered Timer Input 1 (TI1FP1) */ +# define ATIM_SMCR_T12FP2 (6 << ATIM_SMCR_TS_SHIFT) /* 110: Filtered Timer Input 2 (TI2FP2) */ +# define ATIM_SMCR_ETRF (7 << ATIM_SMCR_TS_SHIFT) /* 111: External Trigger input (ETRF) */ +#define ATIM_SMCR_MSM (1 << 7) /* Bit 7: Master/slave mode */ +#define ATIM_SMCR_ETF_SHIFT (8) /* Bits 8-11: External trigger filter */ +#define ATIM_SMCR_ETF_MASK (0x0f << ATIM_SMCR_ETF_SHIFT) +# define ATIM_SMCR_NOFILT (0 << ATIM_SMCR_ETF_SHIFT) /* 0000: No filter, sampling is done at fDTS */ +# define ATIM_SMCR_FCKINT2 (1 << ATIM_SMCR_ETF_SHIFT) /* 0001: fSAMPLING=fCK_INT, N=2 */ +# define ATIM_SMCR_FCKINT4 (2 << ATIM_SMCR_ETF_SHIFT) /* 0010: fSAMPLING=fCK_INT, N=4 */ +# define ATIM_SMCR_FCKINT8 (3 << ATIM_SMCR_ETF_SHIFT) /* 0011: fSAMPLING=fCK_INT, N=8 */ +# define ATIM_SMCR_FDTSd26 (4 << ATIM_SMCR_ETF_SHIFT) /* 0100: fSAMPLING=fDTS/2, N=6 */ +# define ATIM_SMCR_FDTSd28 (5 << ATIM_SMCR_ETF_SHIFT) /* 0101: fSAMPLING=fDTS/2, N=8 */ +# define ATIM_SMCR_FDTSd46 (6 << ATIM_SMCR_ETF_SHIFT) /* 0110: fSAMPLING=fDTS/4, N=6 */ +# define ATIM_SMCR_FDTSd48 (7 << ATIM_SMCR_ETF_SHIFT) /* 0111: fSAMPLING=fDTS/4, N=8 */ +# define ATIM_SMCR_FDTSd86 (8 << ATIM_SMCR_ETF_SHIFT) /* 1000: fSAMPLING=fDTS/8, N=6 */ +# define ATIM_SMCR_FDTSd88 (9 << ATIM_SMCR_ETF_SHIFT) /* 1001: fSAMPLING=fDTS/8, N=8 */ +# define ATIM_SMCR_FDTSd165 (10 << ATIM_SMCR_ETF_SHIFT) /* 1010: fSAMPLING=fDTS/16, N=5 */ +# define ATIM_SMCR_FDTSd166 (11 << ATIM_SMCR_ETF_SHIFT) /* 1011: fSAMPLING=fDTS/16, N=6 */ +# define ATIM_SMCR_FDTSd168 (12 << ATIM_SMCR_ETF_SHIFT) /* 1100: fSAMPLING=fDTS/16, N=8 */ +# define ATIM_SMCR_FDTSd325 (13 << ATIM_SMCR_ETF_SHIFT) /* 1101: fSAMPLING=fDTS/32, N=5 */ +# define ATIM_SMCR_FDTSd326 (14 << ATIM_SMCR_ETF_SHIFT) /* 1110: fSAMPLING=fDTS/32, N=6 */ +# define ATIM_SMCR_FDTSd328 (15 << ATIM_SMCR_ETF_SHIFT) /* 1111: fSAMPLING=fDTS/32, N=8 */ +#define ATIM_SMCR_ETPS_SHIFT (12) /* Bits 12-13: External trigger prescaler */ +#define ATIM_SMCR_ETPS_MASK (3 << ATIM_SMCR_ETPS_SHIFT) +# define ATIM_SMCR_PSCOFF (0 << ATIM_SMCR_ETPS_SHIFT) /* 00: Prescaler OFF */ +# define ATIM_SMCR_ETRPd2 (1 << ATIM_SMCR_ETPS_SHIFT) /* 01: ETRP frequency divided by 2 */ +# define ATIM_SMCR_ETRPd4 (2 << ATIM_SMCR_ETPS_SHIFT) /* 10: ETRP frequency divided by 4 */ +# define ATIM_SMCR_ETRPd8 (3 << ATIM_SMCR_ETPS_SHIFT) /* 11: ETRP frequency divided by 8 */ +#define ATIM_SMCR_ECE (1 << 14) /* Bit 14: External clock enable */ +#define ATIM_SMCR_ETP (1 << 15) /* Bit 15: External trigger polarity */ + +/* DMA/Interrupt enable register */ + +#define ATIM_DIER_UIE (1 << 0) /* Bit 0: Update interrupt enable */ +#define ATIM_DIER_CC1IE (1 << 1) /* Bit 1: Capture/Compare 1 interrupt enable */ +#define ATIM_DIER_CC2IE (1 << 2) /* Bit 2: Capture/Compare 2 interrupt enable */ +#define ATIM_DIER_CC3IE (1 << 3) /* Bit 3: Capture/Compare 3 interrupt enable */ +#define ATIM_DIER_CC4IE (1 << 4) /* Bit 4: Capture/Compare 4 interrupt enable */ + +#define ATIM_DIER_TIE (1 << 6) /* Bit 6: Trigger interrupt enable */ + +#define ATIM_DIER_UDE (1 << 8) /* Bit 8: Update DMA request enable */ +#define ATIM_DIER_CC1DE (1 << 9) /* Bit 9: Capture/Compare 1 DMA request enable */ +#define ATIM_DIER_CC2DE (1 << 10) /* Bit 10: Capture/Compare 2 DMA request enable */ +#define ATIM_DIER_CC3DE (1 << 11) /* Bit 11: Capture/Compare 3 DMA request enable */ +#define ATIM_DIER_CC4DE (1 << 12) /* Bit 12: Capture/Compare 4 DMA request enable */ + +#define ATIM_DIER_TDE (1 << 14) /* Bit 14: Trigger DMA request enable */ + +/* Status register */ + +#define ATIM_SR_UIF (1 << 0) /* Bit 0: Update interrupt Flag */ +#define ATIM_SR_CC1IF (1 << 1) /* Bit 1: Capture/Compare 1 interrupt Flag */ +#define ATIM_SR_CC2IF (1 << 2) /* Bit 2: Capture/Compare 2 interrupt Flag */ +#define ATIM_SR_CC3IF (1 << 3) /* Bit 3: Capture/Compare 3 interrupt Flag */ +#define ATIM_SR_CC4IF (1 << 4) /* Bit 4: Capture/Compare 4 interrupt Flag */ +#define ATIM_SR_COMIF (1 << 5) /* Bit 5: COM interrupt Flag */ +#define ATIM_SR_TIF (1 << 6) /* Bit 6: Trigger interrupt Flag */ + +#define ATIM_SR_CC1OF (1 << 9) /* Bit 9: Capture/Compare 1 Overcapture Flag */ +#define ATIM_SR_CC2OF (1 << 10) /* Bit 10: Capture/Compare 2 Overcapture Flag */ +#define ATIM_SR_CC3OF (1 << 11) /* Bit 11: Capture/Compare 3 Overcapture Flag */ +#define ATIM_SR_CC4OF (1 << 12) /* Bit 12: Capture/Compare 4 Overcapture Flag */ + +/* Event generation register */ + +#define ATIM_EGR_UG (1 << 0) /* Bit 0: Update Generation */ +#define ATIM_EGR_CC1G (1 << 1) /* Bit 1: Capture/Compare 1 Generation */ +#define ATIM_EGR_CC2G (1 << 2) /* Bit 2: Capture/Compare 2 Generation */ +#define ATIM_EGR_CC3G (1 << 3) /* Bit 3: Capture/Compare 3 Generation */ +#define ATIM_EGR_CC4G (1 << 4) /* Bit 4: Capture/Compare 4 Generation */ + +#define ATIM_EGR_TG (1 << 6) /* Bit 6: Trigger Generation */ + +/* Capture/compare mode register 1 -- Output compare mode */ + +#define ATIM_CCMR1_CC1S_SHIFT (0) /* Bits 1-0: Capture/Compare 1 Selection */ +#define ATIM_CCMR1_CC1S_MASK (3 << ATIM_CCMR1_CC1S_SHIFT) + /* (See common (unshifted) bit field definitions below) */ +#define ATIM_CCMR1_OC1FE (1 << 2) /* Bit 2: Output Compare 1 Fast enable */ +#define ATIM_CCMR1_OC1PE (1 << 3) /* Bit 3: Output Compare 1 Preload enable */ +#define ATIM_CCMR1_OC1M_SHIFT (4) /* Bits 6-4: Output Compare 1 Mode */ +#define ATIM_CCMR1_OC1M_MASK (7 << ATIM_CCMR1_OC1M_SHIFT) + /* (See common (unshifted) bit field definitions below) */ +#define ATIM_CCMR1_OC1CE (1 << 7) /* Bit 7: Output Compare 1Clear Enable */ +#define ATIM_CCMR1_CC2S_SHIFT (8) /* Bits 8-9: Capture/Compare 2 Selection */ +#define ATIM_CCMR1_CC2S_MASK (3 << ATIM_CCMR1_CC2S_SHIFT) + /* (See common (unshifted) bit field definitions below) */ +#define ATIM_CCMR1_OC2FE (1 << 10) /* Bit 10: Output Compare 2 Fast enable */ +#define ATIM_CCMR1_OC2PE (1 << 11) /* Bit 11: Output Compare 2 Preload enable */ +#define ATIM_CCMR1_OC2M_SHIFT (12) /* Bits 14-12: Output Compare 2 Mode */ +#define ATIM_CCMR1_OC2M_MASK (7 << ATIM_CCMR1_OC2M_SHIFT) + /* (See common (unshifted) bit field definitions below) */ +#define ATIM_CCMR1_OC2CE (1 << 15) /* Bit 15: Output Compare 2 Clear Enable */ + +/* Common CCMR (unshifted) Capture/Compare Selection bit-field definitions */ + +#define ATIM_CCMR_CCS_CCOUT (0) /* 00: CCx channel output */ +#define ATIM_CCMR_CCS_CCIN1 (1) /* 01: CCx channel input, ICx is TIx */ +#define ATIM_CCMR_CCS_CCIN2 (2) /* 10: CCx channel input, ICx is TIy */ +#define ATIM_CCMR_CCS_CCINTRC (3) /* 11: CCx channel input, ICx is TRC */ + +/* Common CCMR (unshifted) Compare Mode bit field definitions */ + +#define ATIM_CCMR_MODE_FRZN (0) /* 000: Frozen */ +#define ATIM_CCMR_MODE_CHACT (1) /* 001: Channel x active on match */ +#define ATIM_CCMR_MODE_CHINACT (2) /* 010: Channel x inactive on match */ +#define ATIM_CCMR_MODE_OCREFTOG (3) /* 011: OCxREF toggle ATIM_CNT=ATIM_CCRx */ +#define ATIM_CCMR_MODE_OCREFLO (4) /* 100: OCxREF forced low */ +#define ATIM_CCMR_MODE_OCREFHI (5) /* 101: OCxREF forced high */ +#define ATIM_CCMR_MODE_PWM1 (6) /* 110: PWM mode 1 */ +#define ATIM_CCMR_MODE_PWM2 (7) /* 111: PWM mode 2 */ +#define ATIM_CCMR_MODE_COMBINED1 (12) /* 1100: Combined PWM mode 1 */ +#define ATIM_CCMR_MODE_COMBINED2 (13) /* 1101: Combined PWM mode 2 */ +#define ATIM_CCMR_MODE_ASYMMETRIC1 (14) /* 1110: Asymmetric PWM mode 1 */ +#define ATIM_CCMR_MODE_ASYMMETRIC2 (15) /* 1111: Asymmetric PWM mode 2 */ + +/* Capture/compare mode register 1 -- Input capture mode */ + + /* Bits 1-0:(same as output compare mode) */ +#define ATIM_CCMR1_IC1PSC_SHIFT (2) /* Bits 3-2: Input Capture 1 Prescaler */ +#define ATIM_CCMR1_IC1PSC_MASK (3 << ATIM_CCMR1_IC1PSC_SHIFT) + /* (See common (unshifted) bit field definitions below) */ +#define ATIM_CCMR1_IC1F_SHIFT (4) /* Bits 7-4: Input Capture 1 Filter */ +#define ATIM_CCMR1_IC1F_MASK (0x0f << ATIM_CCMR1_IC1F_SHIFT) + /* (See common (unshifted) bit field definitions below) */ + /* Bits 9:8 (same as output compare mode) */ +#define ATIM_CCMR1_IC2PSC_SHIFT (10) /* Bits 11:10: Input Capture 2 Prescaler */ +#define ATIM_CCMR1_IC2PSC_MASK (3 << ATIM_CCMR1_IC2PSC_SHIFT) + /* (See common (unshifted) bit field definitions below) */ +#define ATIM_CCMR1_IC2F_SHIFT (12) /* Bits 15-12: Input Capture 2 Filter */ +#define ATIM_CCMR1_IC2F_MASK (0x0f << ATIM_CCMR1_IC2F_SHIFT) + /* (See common (unshifted) bit field definitions below) */ + +/* Common CCMR (unshifted) Input Capture Prescaler bit-field definitions */ + +#define ATIM_CCMR_ICPSC_NOPSC (0) /* 00: no prescaler, capture each edge */ +#define ATIM_CCMR_ICPSC_EVENTS2 (1) /* 01: capture once every 2 events */ +#define ATIM_CCMR_ICPSC_EVENTS4 (2) /* 10: capture once every 4 events */ +#define ATIM_CCMR_ICPSC_EVENTS8 (3) /* 11: capture once every 8 events */ + +/* Common CCMR (unshifted) Input Capture Filter bit-field definitions */ + +#define ATIM_CCMR_ICF_NOFILT (0) /* 0000: No filter, sampling at fDTS */ +#define ATIM_CCMR_ICF_FCKINT2 (1) /* 0001: fSAMPLING=fCK_INT, N=2 */ +#define ATIM_CCMR_ICF_FCKINT4 (2) /* 0010: fSAMPLING=fCK_INT, N=4 */ +#define ATIM_CCMR_ICF_FCKINT8 (3) /* 0011: fSAMPLING=fCK_INT, N=8 */ +#define ATIM_CCMR_ICF_FDTSd26 (4) /* 0100: fSAMPLING=fDTS/2, N=6 */ +#define ATIM_CCMR_ICF_FDTSd28 (5) /* 0101: fSAMPLING=fDTS/2, N=8 */ +#define ATIM_CCMR_ICF_FDTSd46 (6) /* 0110: fSAMPLING=fDTS/4, N=6 */ +#define ATIM_CCMR_ICF_FDTSd48 (7) /* 0111: fSAMPLING=fDTS/4, N=8 */ +#define ATIM_CCMR_ICF_FDTSd86 (8) /* 1000: fSAMPLING=fDTS/8, N=6 */ +#define ATIM_CCMR_ICF_FDTSd88 (9) /* 1001: fSAMPLING=fDTS/8, N=8 */ +#define ATIM_CCMR_ICF_FDTSd165 (10) /* 1010: fSAMPLING=fDTS/16, N=5 */ +#define ATIM_CCMR_ICF_FDTSd166 (11) /* 1011: fSAMPLING=fDTS/16, N=6 */ +#define ATIM_CCMR_ICF_FDTSd168 (12) /* 1100: fSAMPLING=fDTS/16, N=8 */ +#define ATIM_CCMR_ICF_FDTSd325 (13) /* 1101: fSAMPLING=fDTS/32, N=5 */ +#define ATIM_CCMR_ICF_FDTSd326 (14) /* 1110: fSAMPLING=fDTS/32, N=6 */ +#define ATIM_CCMR_ICF_FDTSd328 (15) /* 1111: fSAMPLING=fDTS/32, N=8 */ + +/* Capture/compare mode register 2 - Output Compare mode */ + +#define ATIM_CCMR2_CC3S_SHIFT (0) /* Bits 1-0: Capture/Compare 3 Selection */ +#define ATIM_CCMR2_CC3S_MASK (3 << ATIM_CCMR2_CC3S_SHIFT) + /* (See common (unshifted) bit field definitions above) */ +#define ATIM_CCMR2_OC3FE (1 << 2) /* Bit 2: Output Compare 3 Fast enable */ +#define ATIM_CCMR2_OC3PE (1 << 3) /* Bit 3: Output Compare 3 Preload enable */ +#define ATIM_CCMR2_OC3M_SHIFT (4) /* Bits 6-4: Output Compare 3 Mode */ +#define ATIM_CCMR2_OC3M_MASK (7 << ATIM_CCMR2_OC3M_SHIFT) + /* (See common (unshifted) bit field definitions above) */ +#define ATIM_CCMR2_OC3CE (1 << 7) /* Bit 7: Output Compare 3 Clear Enable */ +#define ATIM_CCMR2_CC4S_SHIFT (8) /* Bits 9-8: Capture/Compare 4 Selection */ +#define ATIM_CCMR2_CC4S_MASK (3 << ATIM_CCMR2_CC4S_SHIFT) + /* (See common (unshifted) bit field definitions above) */ +#define ATIM_CCMR2_OC4FE (1 << 10) /* Bit 10: Output Compare 4 Fast enable */ +#define ATIM_CCMR2_OC4PE (1 << 11) /* Bit 11: Output Compare 4 Preload enable */ +#define ATIM_CCMR2_OC4M_SHIFT (12) /* Bits 14-12: Output Compare 4 Mode */ +#define ATIM_CCMR2_OC4M_MASK (7 << ATIM_CCMR2_OC4M_SHIFT) + /* (See common (unshifted) bit field definitions above) */ +#define ATIM_CCMR2_OC4CE (1 << 15) /* Bit 15: Output Compare 4 Clear Enable */ + +/* Capture/compare mode register 2 - Input Capture Mode */ + + /* Bits 1-0:(same as output compare mode) */ +#define ATIM_CCMR2_IC3PSC_SHIFT (2) /* Bits 3-2: Input Capture 3 Prescaler */ +#define ATIM_CCMR1_IC3PSC_MASK (3 << ATIM_CCMR2_IC3PSC_SHIFT) + /* (See common (unshifted) bit field definitions above) */ +#define ATIM_CCMR2_IC3F_SHIFT (4) /* Bits 7-4: Input Capture 3 Filter */ +#define ATIM_CCMR2_IC3F_MASK (0x0f << ATIM_CCMR2_IC3F_SHIFT) + /* (See common (unshifted) bit field definitions above) */ + /* Bits 9:8 (same as output compare mode) */ +#define ATIM_CCMR2_IC4PSC_SHIFT (10) /* Bits 11:10: Input Capture 4 Prescaler */ +#define ATIM_CCMR2_IC4PSC_MASK (3 << ATIM_CCMR2_IC4PSC_SHIFT) + /* (See common (unshifted) bit field definitions above) */ +#define ATIM_CCMR2_IC4F_SHIFT (12) /* Bits 15-12: Input Capture 4 Filter */ +#define ATIM_CCMR2_IC4F_MASK (0x0f << ATIM_CCMR2_IC4F_SHIFT) + /* (See common (unshifted) bit field definitions above) */ + +/* Capture/compare enable register */ + +#define ATIM_CCER_CC1E (1 << 0) /* Bit 0: Capture/Compare 1 output enable */ +#define ATIM_CCER_CC1P (1 << 1) /* Bit 1: Capture/Compare 1 output Polarity */ +#define ATIM_CCER_CC1NE (1 << 2) /* Bit 2: Capture/Compare 1 Complementary output enable */ +#define ATIM_CCER_CC1NP (1 << 3) /* Bit 3: Capture/Compare 1 Complementary output polarity */ +#define ATIM_CCER_CC2E (1 << 4) /* Bit 4: Capture/Compare 2 output enable */ +#define ATIM_CCER_CC2P (1 << 5) /* Bit 5: Capture/Compare 2 output Polarity */ +#define ATIM_CCER_CC2NE (1 << 6) /* Bit 6: Capture/Compare 2 Complementary output enable */ +#define ATIM_CCER_CC2NP (1 << 7) /* Bit 7: Capture/Compare 2 Complementary output polarity */ +#define ATIM_CCER_CC3E (1 << 8) /* Bit 8: Capture/Compare 3 output enable */ +#define ATIM_CCER_CC3P (1 << 9) /* Bit 9: Capture/Compare 3 output Polarity */ +#define ATIM_CCER_CC3NE (1 << 10) /* Bit 10: Capture/Compare 3 Complementary output enable */ +#define ATIM_CCER_CC3NP (1 << 11) /* Bit 11: Capture/Compare 3 Complementary output polarity */ +#define ATIM_CCER_CC4E (1 << 12) /* Bit 12: Capture/Compare 4 output enable */ +#define ATIM_CCER_CC4P (1 << 13) /* Bit 13: Capture/Compare 4 output Polarity */ +#define ATIM_CCER_CC4NP (1 << 15) /* Bit 15: Capture/Compare 4 Complementary output polarity */ + + +/* 16-bit counter register */ + +#define ATIM_CNT_SHIFT (0) /* Bits 0-15: Timer counter value */ +#define ATIM_CNT_MASK (0xffff << ATIM_CNT_SHIFT) + +/* Repetition counter register */ + +#define ATIM_RCR_REP_SHIFT (0) /* Bits 0-7: Repetition Counter Value */ +#define ATIM_RCR_REP_MASK (0xff << ATIM_RCR_REP_SHIFT) + +#define ATIM_RCR_REP_MAX 128 + +/* Capture/compare registers (CCR) */ + + +#define ATIM_CCR_MASK (0xffff) + +/* Break and dead-time register */ + +#define ATIM_BDTR_DTG_SHIFT (0) /* Bits 7:0 [7:0]: Dead-Time Generator set-up */ +#define ATIM_BDTR_DTG_MASK (0xff << ATIM_BDTR_DTG_SHIFT) +#define ATIM_BDTR_LOCK_SHIFT (8) /* Bits 9:8 [1:0]: Lock Configuration */ +#define ATIM_BDTR_LOCK_MASK (3 << ATIM_BDTR_LOCK_SHIFT) +# define ATIM_BDTR_LOCKOFF (0 << ATIM_BDTR_LOCK_SHIFT) /* 00: LOCK OFF - No bit is write protected */ +# define ATIM_BDTR_LOCK1 (1 << ATIM_BDTR_LOCK_SHIFT) /* 01: LOCK Level 1 protection */ +# define ATIM_BDTR_LOCK2 (2 << ATIM_BDTR_LOCK_SHIFT) /* 10: LOCK Level 2 protection */ +# define ATIM_BDTR_LOCK3 (3 << ATIM_BDTR_LOCK_SHIFT) /* 11: LOCK Level 3 protection */ */ +#define ATIM_BDTR_OSSI (1 << 10) /* Bit 10: Off-State Selection for Idle mode */ +#define ATIM_BDTR_OSSR (1 << 11) /* Bit 11: Off-State Selection for Run mode */ +#define ATIM_BDTR_BKE (1 << 12) /* Bit 12: Break enable */ +#define ATIM_BDTR_BKP (1 << 13) /* Bit 13: Break Polarity */ +#define ATIM_BDTR_AOE (1 << 14) /* Bit 14: Automatic Output enable */ +#define ATIM_BDTR_MOE (1 << 15) /* Bit 15: Main Output enable */ + +/* DMA control register */ + +#define ATIM_DCR_DBA_SHIFT (0) /* Bits 4-0: DMA Base Address */ +#define ATIM_DCR_DBA_MASK (0x1f << ATIM_DCR_DBA_SHIFT) +#define ATIM_DCR_DBL_SHIFT (8) /* Bits 12-8: DMA Burst Length */ +#define ATIM_DCR_DBL_MASK (0x1f << ATIM_DCR_DBL_SHIFT) +# define ATIM_DCR_DBL(n) (((n)-1) << ATIM_DCR_DBL_SHIFT) /* n transfers, n = 1..18 */ + +/* Control register 1 (TIM2-5 and TIM9-14) */ + +#define GTIM_CR1_CEN (1 << 0) /* Bit 0: Counter enable */ +#define GTIM_CR1_UDIS (1 << 1) /* Bit 1: Update Disable */ +#define GTIM_CR1_URS (1 << 2) /* Bit 2: Update Request Source */ +#define GTIM_CR1_OPM (1 << 3) /* Bit 3: One Pulse Mode (TIM2-5, 9, and 12 only) */ +#define GTIM_CR1_DIR (1 << 4) /* Bit 4: Direction (TIM2-5 only) */ +#define GTIM_CR1_CMS_SHIFT (5) /* Bits 6-5: Center-aligned Mode Selection (TIM2-5 only) */ +#define GTIM_CR1_CMS_MASK (3 << GTIM_CR1_CMS_SHIFT) +# define GTIM_CR1_EDGE (0 << GTIM_CR1_CMS_SHIFT) /* 00: Edge-aligned mode. */ +# define GTIM_CR1_CENTER1 (1 << GTIM_CR1_CMS_SHIFT) /* 01: Center-aligned mode 1 */ +# define GTIM_CR1_CENTER2 (2 << GTIM_CR1_CMS_SHIFT) /* 10: Center-aligned mode 2 */ +# define GTIM_CR1_CENTER3 (3 << GTIM_CR1_CMS_SHIFT) /* 11: Center-aligned mode 3 */ +#define GTIM_CR1_ARPE (1 << 7) /* Bit 7: Auto-Reload Preload enable */ +#define GTIM_CR1_CKD_SHIFT (8) /* Bits 9-8: Clock Division */ +#define GTIM_CR1_CKD_MASK (3 << GTIM_CR1_CKD_SHIFT) +# define GTIM_CR1_TCKINT (0 << GTIM_CR1_CKD_SHIFT) /* 00: tDTS = tCK_INT */ +# define GTIM_CR1_2TCKINT (1 << GTIM_CR1_CKD_SHIFT) /* 01: tDTS = 2 x tCK_INT */ +# define GTIM_CR1_4TCKINT (2 << GTIM_CR1_CKD_SHIFT) /* 10: tDTS = 4 x tCK_INT */ + +/* Control register 2 (TIM2-5, TIM9-12, and TIM15-17 only) */ + +#define GTIM_CR2_CCPC (1 << 0) /* Bit 0: Capture/compare preloaded control (TIM15-17 only) */ +#define GTIM_CR2_CCUS (1 << 2) /* Bit 2: Capture/compare control update selection (TIM15-17 only) */ +#define GTIM_CR2_CCDS (1 << 3) /* Bit 3: Capture/Compare DMA Selection (TIM2-5,1,&16 only) */ +#define GTIM_CR2_MMS_SHIFT (4) /* Bits 6-4: Master Mode Selection (not TIM16) */ +#define GTIM_CR2_MMS_MASK (7 << GTIM_CR2_MMS_SHIFT) +# define GTIM_CR2_MMS_RESET (0 << GTIM_CR2_MMS_SHIFT) /* 000: Reset */ +# define GTIM_CR2_MMS_ENABLE (1 << GTIM_CR2_MMS_SHIFT) /* 001: Enable */ +# define GTIM_CR2_MMS_UPDATE (2 << GTIM_CR2_MMS_SHIFT) /* 010: Update */ +# define GTIM_CR2_MMS_COMPP (3 << GTIM_CR2_MMS_SHIFT) /* 011: Compare Pulse */ +# define GTIM_CR2_MMS_OC1REF (4 << GTIM_CR2_MMS_SHIFT) /* 100: Compare - OC1REF signal is used as trigger output (TRGO) */ +# define GTIM_CR2_MMS_OC2REF (5 << GTIM_CR2_MMS_SHIFT) /* 101: Compare - OC2REF signal is used as trigger output (TRGO) */ +# define GTIM_CR2_MMS_OC3REF (6 << GTIM_CR2_MMS_SHIFT) /* 110: Compare - OC3REF signal is used as trigger output (TRGO, TIM2-5 and TIM15 only) */ +# define GTIM_CR2_MMS_OC4REF (7 << GTIM_CR2_MMS_SHIFT) /* 111: Compare - OC4REF signal is used as trigger output (TRGO, TIM2-5 and TIM15 only) */ +#define GTIM_CR2_TI1S (1 << 7) /* Bit 7: TI1 Selection (not TIM16) */ +#define GTIM_CR2_OIS1 (1 << 8) /* Bit 8: COutput Idle state 1 (OC1 output) (TIM15-17 only) */ +#define GTIM_CR2_OIS1N (1 << 9) /* Bit 9: Output Idle state 1 (OC1N output) (TIM15-17 only) */ +#define GTIM_CR2_OIS2 (1 << 10) /* Bit 10: Output idle state 2 (OC2 output) (TIM15 only) */ + +/* Slave mode control register (TIM2-5 and TIM15 only) */ + +#define GTIM_SMCR_SMS_SHIFT (0) /* Bits 2-0: Slave Mode Selection */ +#define GTIM_SMCR_SMS_MASK (7 << GTIM_SMCR_SMS_SHIFT) +# define GTIM_SMCR_DISAB (0 << GTIM_SMCR_SMS_SHIFT) /* 000: Slave mode disabled */ +# define GTIM_SMCR_ENCMD1 (1 << GTIM_SMCR_SMS_SHIFT) /* 001: Encoder mode 1 */ +# define GTIM_SMCR_ENCMD2 (2 << GTIM_SMCR_SMS_SHIFT) /* 010: Encoder mode 2 */ +# define GTIM_SMCR_ENCMD3 (3 << GTIM_SMCR_SMS_SHIFT) /* 011: Encoder mode 3 */ +# define GTIM_SMCR_RESET (4 << GTIM_SMCR_SMS_SHIFT) /* 100: Reset Mode */ +# define GTIM_SMCR_GATED (5 << GTIM_SMCR_SMS_SHIFT) /* 101: Gated Mode */ +# define GTIM_SMCR_TRIGGER (6 << GTIM_SMCR_SMS_SHIFT) /* 110: Trigger Mode */ +# define GTIM_SMCR_EXTCLK1 (7 << GTIM_SMCR_SMS_SHIFT) /* 111: External Clock Mode 1 */ +#define GTIM_SMCR_TS_SHIFT (4) /* Bits 6-4: Trigger Selection */ +#define GTIM_SMCR_TS_MASK (7 << GTIM_SMCR_TS_SHIFT) +# define GTIM_SMCR_ITR0 (0 << GTIM_SMCR_TS_SHIFT) /* 000: Internal Trigger 0 (ITR0). TIM1 */ +# define GTIM_SMCR_ITR1 (1 << GTIM_SMCR_TS_SHIFT) /* 001: Internal Trigger 1 (ITR1). TIM2 */ +# define GTIM_SMCR_ITR2 (2 << GTIM_SMCR_TS_SHIFT) /* 010: Internal Trigger 2 (ITR2). TIM3 */ +# define GTIM_SMCR_ITR3 (3 << GTIM_SMCR_TS_SHIFT) /* 011: Internal Trigger 3 (ITR3). TIM4 */ +# define GTIM_SMCR_TI1FED (4 << GTIM_SMCR_TS_SHIFT) /* 100: TI1 Edge Detector (TI1F_ED) */ +# define GTIM_SMCR_TI1FP1 (5 << GTIM_SMCR_TS_SHIFT) /* 101: Filtered Timer Input 1 (TI1FP1) */ +# define GTIM_SMCR_TI2FP2 (6 << GTIM_SMCR_TS_SHIFT) /* 110: Filtered Timer Input 2 (TI2FP2) */ +# define GTIM_SMCR_ETRF (7 << GTIM_SMCR_TS_SHIFT) /* 111: External Trigger input (ETRF) */ +#define GTIM_SMCR_MSM (1 << 7) /* Bit 7: Master/Slave mode */ +#define GTIM_SMCR_ETF_SHIFT (8) /* Bits 11-8: External Trigger Filter (not TIM15) */ +#define GTIM_SMCR_ETF_MASK (0x0f << GTIM_SMCR_ETF_SHIFT) +# define GTIM_SMCR_NOFILT (0 << GTIM_SMCR_ETF_SHIFT) /* 0000: No filter, sampling is done at fDTS */ +# define GTIM_SMCR_FCKINT2 (1 << GTIM_SMCR_ETF_SHIFT) /* 0001: fSAMPLING=fCK_INT, N=2 */ +# define GTIM_SMCR_FCKINT4 (2 << GTIM_SMCR_ETF_SHIFT) /* 0010: fSAMPLING=fCK_INT, N=4 */ +# define GTIM_SMCR_FCKINT8 (3 << GTIM_SMCR_ETF_SHIFT) /* 0011: fSAMPLING=fCK_INT, N=8 */ +# define GTIM_SMCR_FDTSd26 (4 << GTIM_SMCR_ETF_SHIFT) /* 0100: fSAMPLING=fDTS/2, N=6 */ +# define GTIM_SMCR_FDTSd28 (5 << GTIM_SMCR_ETF_SHIFT) /* 0101: fSAMPLING=fDTS/2, N=8 */ +# define GTIM_SMCR_FDTSd36 (6 << GTIM_SMCR_ETF_SHIFT) /* 0110: fSAMPLING=fDTS/4, N=6 */ +# define GTIM_SMCR_FDTSd38 (7 << GTIM_SMCR_ETF_SHIFT) /* 0111: fSAMPLING=fDTS/4, N=8 */ +# define GTIM_SMCR_FDTSd86 (8 << GTIM_SMCR_ETF_SHIFT) /* 1000: fSAMPLING=fDTS/8, N=6 */ +# define GTIM_SMCR_FDTSd88 (9 << GTIM_SMCR_ETF_SHIFT) /* 1001: fSAMPLING=fDTS/8, N=8 */ +# define GTIM_SMCR_FDTSd165 (10 << GTIM_SMCR_ETF_SHIFT) /* 1010: fSAMPLING=fDTS/16, N=5 */ +# define GTIM_SMCR_FDTSd166 (11 << GTIM_SMCR_ETF_SHIFT) /* 1011: fSAMPLING=fDTS/16, N=6 */ +# define GTIM_SMCR_FDTSd168 (12 << GTIM_SMCR_ETF_SHIFT) /* 1100: fSAMPLING=fDTS/16, N=8 */ +# define GTIM_SMCR_FDTSd325 (13 << GTIM_SMCR_ETF_SHIFT) /* 1101: fSAMPLING=fDTS/32, N=5 */ +# define GTIM_SMCR_FDTSd326 (14 << GTIM_SMCR_ETF_SHIFT) /* 1110: fSAMPLING=fDTS/32, N=6 */ +# define GTIM_SMCR_FDTSd328 (15 << GTIM_SMCR_ETF_SHIFT) /* 1111: fSAMPLING=fDTS/32, N=8 */ +#define GTIM_SMCR_ETPS_SHIFT (12) /* Bits 13-12: External Trigger Prescaler (not TIM15) */ +#define GTIM_SMCR_ETPS_MASK (3 << GTIM_SMCR_ETPS_SHIFT) +# define GTIM_SMCR_PSCOFF (0 << GTIM_SMCR_ETPS_SHIFT) /* 00: Prescaler OFF */ +# define GTIM_SMCR_ETRPd2 (1 << GTIM_SMCR_ETPS_SHIFT) /* 01: ETRP frequency divided by 2 */ +# define GTIM_SMCR_ETRPd4 (2 << GTIM_SMCR_ETPS_SHIFT) /* 10: ETRP frequency divided by 4 */ +# define GTIM_SMCR_ETRPd8 (3 << GTIM_SMCR_ETPS_SHIFT) /* 11: ETRP frequency divided by 8 */ +#define GTIM_SMCR_ECE (1 << 14) /* Bit 14: External Clock enable */ +#define GTIM_SMCR_ETP (1 << 15) /* Bit 15: External Trigger Polarity */ + +/* DMA/Interrupt enable register (TIM2-5 and TIM9-14) */ + +#define GTIM_DIER_UIE (1 << 0) /* Bit 0: Update interrupt enable */ +#define GTIM_DIER_CC1IE (1 << 1) /* Bit 1: Capture/Compare 1 interrupt enable */ +#define GTIM_DIER_CC2IE (1 << 2) /* Bit 2: Capture/Compare 2 interrupt enable (TIM2-5,9,12,&15 only) */ +#define GTIM_DIER_CC3IE (1 << 3) /* Bit 3: Capture/Compare 3 interrupt enable (TIM2-5 only) */ +#define GTIM_DIER_CC4IE (1 << 4) /* Bit 4: Capture/Compare 4 interrupt enable (TIM2-5 only) */ +#define GTIM_DIER_COMIE (1 << 5) /* Bit 5: COM interrupt enable (TIM15-17 only) */ +#define GTIM_DIER_TIE (1 << 6) /* Bit 6: Trigger interrupt enable (TIM2-5,9,&12 only) */ +#define GTIM_DIER_BIE (1 << 7) /* Bit 7: Break interrupt enable (TIM15-17 only) */ +#define GTIM_DIER_UDE (1 << 8) /* Bit 8: Update DMA request enable (TIM2-5&15-17 only) */ +#define GTIM_DIER_CC1DE (1 << 9) /* Bit 9: Capture/Compare 1 DMA request enable (TIM2-5&15-17 only) */ +#define GTIM_DIER_CC2DE (1 << 10) /* Bit 10: Capture/Compare 2 DMA request enable (TIM2-5&15 only) */ +#define GTIM_DIER_CC3DE (1 << 11) /* Bit 11: Capture/Compare 3 DMA request enable (TIM2-5 only) */ +#define GTIM_DIER_CC4DE (1 << 12) /* Bit 12: Capture/Compare 4 DMA request enable (TIM2-5 only) */ +#define GTIM_DIER_COMDE (1 << 13) /* Bit 13: COM DMA request enable (TIM15-17 only) */ +#define GTIM_DIER_TDE (1 << 14) /* Bit 14: Trigger DMA request enable (TIM2-5&15-17 only) */ + +/* Status register */ + +#define GTIM_SR_UIF (1 << 0) /* Bit 0: Update interrupt flag */ +#define GTIM_SR_CC1IF (1 << 1) /* Bit 1: Capture/compare 1 interrupt flag */ +#define GTIM_SR_CC2IF (1 << 2) /* Bit 2: Capture/Compare 2 interrupt flag (TIM2-5,9,12,&15 only) */ +#define GTIM_SR_CC3IF (1 << 3) /* Bit 3: Capture/Compare 3 interrupt flag (TIM2-5 only) */ +#define GTIM_SR_CC4IF (1 << 4) /* Bit 4: Capture/Compare 4 interrupt flag (TIM2-5 only) */ +#define GTIM_SR_COMIF (1 << 5) /* Bit 5: COM interrupt flag (TIM15-17 only) */ +#define GTIM_SR_TIF (1 << 6) /* Bit 6: Trigger interrupt Flag (TIM2-5,9,12&15-17 only) */ +#define GTIM_SR_BIF (1 << 7) /* Bit 7: Break interrupt flag (TIM15-17 only) */ +#define GTIM_SR_CC1OF (1 << 9) /* Bit 9: Capture/Compare 1 Overcapture flag */ +#define GTIM_SR_CC2OF (1 << 10) /* Bit 10: Capture/Compare 2 Overcapture flag (TIM2-5,9,12&15 only) */ +#define GTIM_SR_CC3OF (1 << 11) /* Bit 11: Capture/Compare 3 Overcapture flag (TIM2-5 only) */ +#define GTIM_SR_CC4OF (1 << 12) /* Bit 12: Capture/Compare 4 Overcapture flag (TIM2-5 only) */ + +/* Event generation register (TIM2-5 and TIM9-14) */ + +#define GTIM_EGR_UG (1 << 0) /* Bit 0: Update generation */ +#define GTIM_EGR_CC1G (1 << 1) /* Bit 1: Capture/compare 1 generation */ +#define GTIM_EGR_CC2G (1 << 2) /* Bit 2: Capture/compare 2 generation (TIM2-5,9,12,&15 only) */ +#define GTIM_EGR_CC3G (1 << 3) /* Bit 3: Capture/compare 3 generation (TIM2-5 only) */ +#define GTIM_EGR_CC4G (1 << 4) /* Bit 4: Capture/compare 4 generation (TIM2-5 only) */ +#define GTIM_EGR_COMIG (1 << 5) /* Bit 5: Capture/Compare control update generation (TIM15-17 only) */ +#define GTIM_EGR_TG (1 << 6) /* Bit 6: Trigger generation (TIM2-5,9,12&16-17 only) */ +#define GTIM_EGR_BG (1 << 7) /* Bit 7: Break generation (TIM15-17 only) */ + +/* Capture/compare mode register 1 - Output compare mode (TIM2-5 and TIM9-14) */ + +#define GTIM_CCMR1_CC1S_SHIFT (0) /* Bits 1-0: Capture/Compare 1 Selection */ +#define GTIM_CCMR1_CC1S_MASK (3 << GTIM_CCMR1_CC1S_SHIFT) + /* (See common CCMR Capture/Compare Selection definitions below) */ +#define GTIM_CCMR1_OC1FE (1 << 2) /* Bit 2: Output Compare 1 Fast enable */ +#define GTIM_CCMR1_OC1PE (1 << 3) /* Bit 3: Output Compare 1 Preload enable */ +#define GTIM_CCMR1_OC1M_SHIFT (4) /* Bits 6-4: Output Compare 1 Mode */ +#define GTIM_CCMR1_OC1M_MASK (7 << GTIM_CCMR1_OC1M_SHIFT) + /* (See common CCMR Output Compare Mode definitions below) */ +#define GTIM_CCMR1_OC1CE (1 << 7) /* Bit 7: Output Compare 1Clear Enable */ +#define GTIM_CCMR1_CC2S_SHIFT (8) /* Bits 9-8: Capture/Compare 2 Selection */ +#define GTIM_CCMR1_CC2S_MASK (3 << GTIM_CCMR1_CC2S_SHIFT) + /* (See common CCMR Capture/Compare Selection definitions below) */ +#define GTIM_CCMR1_OC2FE (1 << 10) /* Bit 10: Output Compare 2 Fast enable */ +#define GTIM_CCMR1_OC2PE (1 << 11) /* Bit 11: Output Compare 2 Preload enable */ +#define GTIM_CCMR1_OC2M_SHIFT (12) /* Bits 14-12: Output Compare 2 Mode */ +#define GTIM_CCMR1_OC2M_MASK (7 << GTIM_CCMR1_OC2M_SHIFT) + /* (See common CCMR Output Compare Mode definitions below) */ +#define GTIM_CCMR1_OC2CE (1 << 15) /* Bit 15: Output Compare 2 Clear Enable */ + +/* Common CCMR (unshifted) Capture/Compare Selection bit-field definitions */ + +#define GTIM_CCMR_CCS_CCOUT (0) /* 00: CCx channel output */ +#define GTIM_CCMR_CCS_CCIN1 (1) /* 01: CCx channel input, ICx is TIx */ +#define GTIM_CCMR_CCS_CCIN2 (2) /* 10: CCx channel input, ICx is TIy */ +#define GTIM_CCMR_CCS_CCINTRC (3) /* 11: CCx channel input, ICx is TRC */ + +/* Common CCMR (unshifted) Compare Mode bit field definitions */ + +#define GTIM_CCMR_MODE_FRZN (0) /* 000: Frozen */ +#define GTIM_CCMR_MODE_CHACT (1) /* 001: Channel x active on match */ +#define GTIM_CCMR_MODE_CHINACT (2) /* 010: Channel x inactive on match */ +#define GTIM_CCMR_MODE_OCREFTOG (3) /* 011: OCxREF toggle ATIM_CNT=ATIM_CCRx */ +#define GTIM_CCMR_MODE_OCREFLO (4) /* 100: OCxREF forced low */ +#define GTIM_CCMR_MODE_OCREFHI (5) /* 101: OCxREF forced high */ +#define GTIM_CCMR_MODE_PWM1 (6) /* 110: PWM mode 1 */ +#define GTIM_CCMR_MODE_PWM2 (7) /* 111: PWM mode 2 */ + +/* Capture/compare mode register 1 - Input capture mode (TIM2-5 and TIM9-14) */ + + /* Bits 1-0 (Same as Output Compare Mode) */ +#define GTIM_CCMR1_IC1PSC_SHIFT (2) /* Bits 3-2: Input Capture 1 Prescaler */ +#define GTIM_CCMR1_IC1PSC_MASK (3 << GTIM_CCMR1_IC1PSC_SHIFT) + /* (See common CCMR Input Capture Prescaler definitions below) */ +#define GTIM_CCMR1_IC1F_SHIFT (4) /* Bits 7-4: Input Capture 1 Filter */ +#define GTIM_CCMR1_IC1F_MASK (0x0f << GTIM_CCMR1_IC1F_SHIFT) + /* (See common CCMR Input Capture Filter definitions below) */ + /* Bits 9-8: (Same as Output Compare Mode) */ +#define GTIM_CCMR1_IC2PSC_SHIFT (10) /* Bits 11-10: Input Capture 2 Prescaler */ +#define GTIM_CCMR1_IC2PSC_MASK (3 << GTIM_CCMR1_IC2PSC_SHIFT) + /* (See common CCMR Input Capture Prescaler definitions below) */ +#define GTIM_CCMR1_IC2F_SHIFT (12) /* Bits 15-12: Input Capture 2 Filter */ +#define GTIM_CCMR1_IC2F_MASK (0x0f << GTIM_CCMR1_IC2F_SHIFT) + /* (See common CCMR Input Capture Filter definitions below) */ + +/* Common CCMR (unshifted) Input Capture Prescaler bit-field definitions */ + +#define GTIM_CCMR_ICPSC_NOPSC (0) /* 00: no prescaler, capture each edge */ +#define GTIM_CCMR_ICPSC_EVENTS2 (1) /* 01: capture once every 2 events */ +#define GTIM_CCMR_ICPSC_EVENTS4 (2) /* 10: capture once every 4 events */ +#define GTIM_CCMR_ICPSC_EVENTS8 (3) /* 11: capture once every 8 events */ + +/* Common CCMR (unshifted) Input Capture Filter bit-field definitions */ + +#define GTIM_CCMR_ICF_NOFILT (0) /* 0000: No filter, sampling at fDTS */ +#define GTIM_CCMR_ICF_FCKINT2 (1) /* 0001: fSAMPLING=fCK_INT, N=2 */ +#define GTIM_CCMR_ICF_FCKINT4 (2) /* 0010: fSAMPLING=fCK_INT, N=4 */ +#define GTIM_CCMR_ICF_FCKINT8 (3) /* 0011: fSAMPLING=fCK_INT, N=8 */ +#define GTIM_CCMR_ICF_FDTSd26 (4) /* 0100: fSAMPLING=fDTS/2, N=6 */ +#define GTIM_CCMR_ICF_FDTSd28 (5) /* 0101: fSAMPLING=fDTS/2, N=8 */ +#define GTIM_CCMR_ICF_FDTSd46 (6) /* 0110: fSAMPLING=fDTS/4, N=6 */ +#define GTIM_CCMR_ICF_FDTSd48 (7) /* 0111: fSAMPLING=fDTS/4, N=8 */ +#define GTIM_CCMR_ICF_FDTSd86 (8) /* 1000: fSAMPLING=fDTS/8, N=6 */ +#define GTIM_CCMR_ICF_FDTSd88 (9) /* 1001: fSAMPLING=fDTS/8, N=8 */ +#define GTIM_CCMR_ICF_FDTSd165 (10) /* 1010: fSAMPLING=fDTS/16, N=5 */ +#define GTIM_CCMR_ICF_FDTSd166 (11) /* 1011: fSAMPLING=fDTS/16, N=6 */ +#define GTIM_CCMR_ICF_FDTSd168 (12) /* 1100: fSAMPLING=fDTS/16, N=8 */ +#define GTIM_CCMR_ICF_FDTSd325 (13) /* 1101: fSAMPLING=fDTS/32, N=5 */ +#define GTIM_CCMR_ICF_FDTSd326 (14) /* 1110: fSAMPLING=fDTS/32, N=6 */ +#define GTIM_CCMR_ICF_FDTSd328 (15) /* 1111: fSAMPLING=fDTS/32, N=8 */ + +/* Capture/compare mode register 2 - Output Compare mode (TIM2-5 only) */ + +#define GTIM_CCMR2_CC3S_SHIFT (0) /* Bits 1-0: Capture/Compare 3 Selection */ +#define GTIM_CCMR2_CC3S_MASK (3 << GTIM_CCMR2_CC3S_SHIFT) + /* (See common CCMR Capture/Compare Selection definitions above) */ +#define GTIM_CCMR2_OC3FE (1 << 2) /* Bit 2: Output Compare 3 Fast enable */ +#define GTIM_CCMR2_OC3PE (1 << 3) /* Bit 3: Output Compare 3 Preload enable */ +#define GTIM_CCMR2_OC3M_SHIFT (4) /* Bits 6-4: Output Compare 3 Mode */ +#define GTIM_CCMR2_OC3M_MASK (7 << GTIM_CCMR2_OC3M_SHIFT) + /* (See common CCMR Output Compare Mode definitions above) */ +#define GTIM_CCMR2_OC3CE (1 << 7) /* Bit 7: Output Compare 3 Clear Enable */ +#define GTIM_CCMR2_CC4S_SHIFT (8) /* Bits 9-8: Capture/Compare 4 Selection */ +#define GTIM_CCMR2_CC4S_MASK (3 << GTIM_CCMR2_CC4S_SHIFT) + /* (See common CCMR Capture/Compare Selection definitions above) */ +#define GTIM_CCMR2_OC4FE (1 << 10) /* Bit 10: Output Compare 4 Fast enable */ +#define GTIM_CCMR2_OC4PE (1 << 11) /* Bit 11: Output Compare 4 Preload enable */ +#define GTIM_CCMR2_OC4M_SHIFT (12) /* Bits 14-12: Output Compare 4 Mode */ +#define GTIM_CCMR2_OC4M_MASK (7 << GTIM_CCMR2_OC4M_SHIFT) + /* (See common CCMR Output Compare Mode definitions above) */ +#define GTIM_CCMR2_OC4CE (1 << 15) /* Bit 15: Output Compare 4 Clear Enable */ + +/* Capture/compare mode register 2 - Input capture mode (TIM2-5 only) */ + + /* Bits 1-0 (Same as Output Compare Mode) */ +#define GTIM_CCMR2_IC3PSC_SHIFT (2) /* Bits 3-2: Input Capture 3 Prescaler */ +#define GTIM_CCMR2_IC3PSC_MASK (3 << GTIM_CCMR2_IC3PSC_SHIFT) + /* (See common CCMR Input Capture Prescaler definitions below) */ +#define GTIM_CCMR2_IC3F_SHIFT (4) /* Bits 7-4: Input Capture 3 Filter */ +#define GTIM_CCMR2_IC3F_MASK (0x0f << GTIM_CCMR2_IC3F_SHIFT) + /* (See common CCMR Input Capture Filter definitions below) */ + /* Bits 9-8: (Same as Output Compare Mode) */ +#define GTIM_CCMR2_IC4PSC_SHIFT (10) /* Bits 11-10: Input Capture 4 Prescaler */ +#define GTIM_CCMR2_IC4PSC_MASK (3 << GTIM_CCMR2_IC4PSC_SHIFT) + /* (See common CCMR Input Capture Prescaler definitions below) */ +#define GTIM_CCMR2_IC4F_SHIFT (12) /* Bits 15-12: Input Capture 4 Filter */ +#define GTIM_CCMR2_IC4F_MASK (0x0f << GTIM_CCMR2_IC4F_SHIFT) + /* (See common CCMR Input Capture Filter definitions below) */ + +/* Capture/compare enable register (TIM1 and TIM8, TIM2-5 and TIM9-14) */ + +#define GTIM_CCER_CC1E (1 << 0) /* Bit 0: Capture/Compare 1 output enable */ +#define GTIM_CCER_CC1P (1 << 1) /* Bit 1: Capture/Compare 1 output polarity */ +#define GTIM_CCER_CC1NE (1 << 2) /* Bit 2: Capture/Compare 1 complementary output enable (TIM1 and TIM8 only) */ +#define GTIM_CCER_CC1NP (1 << 3) /* Bit 3: Capture/Compare 1 output Polarity (F2,F3,F4 and TIM15-17) */ +#define GTIM_CCER_CC2E (1 << 4) /* Bit 4: Capture/Compare 2 output enable (TIM2-5,9&12 only) */ +#define GTIM_CCER_CC2P (1 << 5) /* Bit 5: Capture/Compare 2 output polarity (TIM2-5,9&12 only) */ +#define GTIM_CCER_CC2NE (1 << 6) /* Bit 6: Capture/Compare 2 complementary output enable (TIM1 and TIM8 only) */ +#define GTIM_CCER_CC2NP (1 << 7) /* Bit 7: Capture/Compare 2 output Polarity (F2,F3,F4 and TIM2-5,9,12&15 only) */ +#define GTIM_CCER_CC3E (1 << 8) /* Bit 8: Capture/Compare 3 output enable (TIM2-5 only) */ +#define GTIM_CCER_CC3P (1 << 9) /* Bit 9: Capture/Compare 3 output Polarity (TIM2-5 only) */ +#define GTIM_CCER_CC3NE (1 << 10) /* Bit 10: Capture/Compare 3 complementary output enable (TIM1 and TIM8 only) */ +#define GTIM_CCER_CC3NP (1 << 11) /* Bit 11: Capture/Compare 3 output Polarity (F2,F4 and TIM2-5 only) */ +#define GTIM_CCER_CC4E (1 << 12) /* Bit 12: Capture/Compare 4 output enable (TIM2-5 only) */ +#define GTIM_CCER_CC4P (1 << 13) /* Bit 13: Capture/Compare 4 output Polarity (TIM2-5 only) */ +#define GTIM_CCER_CC4NP (1 << 15) /* Bit 15: Capture/Compare 4 output Polarity */ + +/* 16-bit counter register */ + +#define GTIM_CNT_SHIFT (0) /* Bits 0-15: Timer counter value */ +#define GTIM_CNT_MASK (0xffff << ATIM_CNT_SHIFT) + +/* Repitition counter (TIM15-17 only) */ + +#define GTIM_RCR_REP_SHIFT (0) /* Bits 0-7: Repetition Counter Value */ +#define GTIM_RCR_REP_MASK (0xff << GTIM_RCR_REP_SHIFT) + +#define GTIM_RCR_REP_MAX 128 + +/* Break and dead-time register (TIM15-17 only */ + +#define GTIM_BDTR_DTG_SHIFT (0) /* Bits 7:0 [7:0]: Dead-Time Generator set-up */ +#define GTIM_BDTR_DTG_MASK (0xff << GTIM_BDTR_DTG_SHIFT) +#define GTIM_BDTR_LOCK_SHIFT (8) /* Bits 9:8 [1:0]: Lock Configuration */ +#define GTIM_BDTR_LOCK_MASK (3 << GTIM_BDTR_LOCK_SHIFT) +# define GTIM_BDTR_LOCKOFF (0 << GTIM_BDTR_LOCK_SHIFT) /* 00: LOCK OFF - No bit is write protected */ +# define GTIM_BDTR_LOCK1 (1 << GTIM_BDTR_LOCK_SHIFT) /* 01: LOCK Level 1 protection */ +# define GTIM_BDTR_LOCK2 (2 << GTIM_BDTR_LOCK_SHIFT) /* 10: LOCK Level 2 protection */ +# define GTIM_BDTR_LOCK3 (3 << GTIM_BDTR_LOCK_SHIFT) /* 11: LOCK Level 3 protection */ */ +#define GTIM_BDTR_OSSI (1 << 10) /* Bit 10: Off-State Selection for Idle mode */ +#define GTIM_BDTR_OSSR (1 << 11) /* Bit 11: Off-State Selection for Run mode */ +#define GTIM_BDTR_BKE (1 << 12) /* Bit 12: Break enable */ +#define GTIM_BDTR_BKP (1 << 13) /* Bit 13: Break Polarity */ +#define GTIM_BDTR_AOE (1 << 14) /* Bit 14: Automatic Output enable */ +#define GTIM_BDTR_MOE (1 << 15) /* Bit 15: Main Output enable */ +#define GTIM_BDTR_BKF_SHIFT (16) /* Bits 16-19: Break filter */ +#define GTIM_BDTR_BKF_MASK (15 << GTIM_BDTR_BKF_SHIFT) +# define GTIM_BDTR_BKF_NOFILT (0 << GTIM_BDTR_BKF_SHIFT) /* 0000: No filter, BRK acts asynchronously */ +# define GTIM_BDTR_BKF_FCKINT2 (1 << GTIM_BDTR_BKF_SHIFT) /* 0001: fSAMPLING=fCK_INT, N=2 */ +# define GTIM_BDTR_BKF_FCKINT4 (2 << GTIM_BDTR_BKF_SHIFT) /* 0010: fSAMPLING=fCK_INT, N=4 */ +# define GTIM_BDTR_BKF_FCKINT8 (3 << GTIM_BDTR_BKF_SHIFT) /* 0011: fSAMPLING=fCK_INT, N=8 */ +# define GTIM_BDTR_BKF_FDTSd26 (4 << GTIM_BDTR_BKF_SHIFT) /* 0100: fSAMPLING=fDTS/2, N=6 */ +# define GTIM_BDTR_BKF_FDTSd28 (5 << GTIM_BDTR_BKF_SHIFT) /* 0101: fSAMPLING=fDTS/2, N=8 */ +# define GTIM_BDTR_BKF_FDTSd36 (6 << GTIM_BDTR_BKF_SHIFT) /* 0110: fSAMPLING=fDTS/4, N=6 */ +# define GTIM_BDTR_BKF_FDTSd38 (7 << GTIM_BDTR_BKF_SHIFT) /* 0111: fSAMPLING=fDTS/4, N=8 */ +# define GTIM_BDTR_BKF_FDTSd86 (8 << GTIM_BDTR_BKF_SHIFT) /* 1000: fSAMPLING=fDTS/8, N=6 */ +# define GTIM_BDTR_BKF_FDTSd88 (9 << GTIM_BDTR_BKF_SHIFT) /* 1001: fSAMPLING=fDTS/8, N=8 */ +# define GTIM_BDTR_BKF_FDTSd165 (10 << GTIM_BDTR_BKF_SHIFT) /* 1010: fSAMPLING=fDTS/16, N=5 */ +# define GTIM_BDTR_BKF_FDTSd166 (11 << GTIM_BDTR_BKF_SHIFT) /* 1011: fSAMPLING=fDTS/16, N=6 */ +# define GTIM_BDTR_BKF_FDTSd168 (12 << GTIM_BDTR_BKF_SHIFT) /* 1100: fSAMPLING=fDTS/16, N=8 */ +# define GTIM_BDTR_BKF_FDTSd325 (13 << GTIM_BDTR_BKF_SHIFT) /* 1101: fSAMPLING=fDTS/32, N=5 */ +# define GTIM_BDTR_BKF_FDTSd326 (14 << GTIM_BDTR_BKF_SHIFT) /* 1110: fSAMPLING=fDTS/32, N=6 */ +# define GTIM_BDTR_BKF_FDTSd328 (15 << GTIM_BDTR_BKF_SHIFT) /* 1111: fSAMPLING=fDTS/32, N=8 */ + +/* DMA control register */ + +#define GTIM_DCR_DBA_SHIFT (0) /* Bits 4-0: DMA Base Address */ +#define GTIM_DCR_DBA_MASK (0x1f << GTIM_DCR_DBA_SHIFT) +#define GTIM_DCR_DBL_SHIFT (8) /* Bits 12-8: DMA Burst Length */ +#define GTIM_DCR_DBL_MASK (0x1f << GTIM_DCR_DBL_SHIFT) + +/* Timer 2/5 option register */ + +# define TIM2_OR_ITR1_RMP_SHIFT (10) /* Bits 10-11: Internal trigger 1 remap */ +# define TIM2_OR_ITR1_RMP_MASK (3 << TIM2_OR_ITR1_RMP_SHIFT) +# define TIM2_OR_ITR1_TIM8_TRGOUT (0 << TIM2_OR_ITR1_RMP_SHIFT) /* 00: TIM2_ITR1 input connected to TIM8_TRGOUT */ +# define TIM2_OR_ITR1_PTP (1 << TIM2_OR_ITR1_RMP_SHIFT) /* 01: TIM2_ITR1 input connected to PTP trigger output */ +# define TIM2_OR_ITR1_OTGFSSOF (2 << TIM2_OR_ITR1_RMP_SHIFT) /* 10: TIM2_ITR1 input connected to OTG FS SOF */ +# define TIM2_OR_ITR1_OTGHSSOF (3 << TIM2_OR_ITR1_RMP_SHIFT) /* 11: TIM2_ITR1 input connected to OTG HS SOF */ + +# define TIM5_OR_TI4_RMP_SHIFT (6) /* Bits 6-7: Internal trigger 4 remap */ +# define TIM5_OR_TI4_RMP_MASK (3 << TIM5_OR_TI4_RMP_SHIFT) +# define TIM5_OR_TI4_GPIO (0 << TIM5_OR_TI4_RMP_SHIFT) /* 00: TIM5_CH4 input connected to GPIO */ +# define TIM5_OR_TI4_LSI (1 << TIM5_OR_TI4_RMP_SHIFT) /* 01: TIM5_CH4 input connected to LSI internal clock */ +# define TIM5_OR_TI4_LSE (2 << TIM5_OR_TI4_RMP_SHIFT) /* 10: TIM5_CH4 input connected to LSE internal clock */ +# define TIM5_OR_TI4_RTC (3 << TIM5_OR_TI4_RMP_SHIFT) /* 11: TIM5_CH4 input connected to RTC output event */ + +# define TIM11_OR_TI1_RMP_SHIFT (6) /* Bits 6-7: Internal trigger 4 remap */ +# define TIM11_OR_TI1_RMP_MASK (3 << TIM11_OR_TI1_RMP_SHIFT) +# define TIM11_OR_TI1_GPIO (0 << TIM11_OR_TI1_RMP_SHIFT) /* 00-11: TIM11_CH1 input connected to GPIO */ +# define TIM11_OR_TI1_HSERTC (3 << TIM11_OR_TI1_RMP_SHIFT) /* 11: TIM11_CH1 input connected to HSE_RTC clock */ + + +/* Control register 1 */ + +#define BTIM_CR1_CEN (1 << 0) /* Bit 0: Counter enable */ +#define BTIM_CR1_UDIS (1 << 1) /* Bit 1: Update Disable */ +#define BTIM_CR1_URS (1 << 2) /* Bit 2: Update Request Source */ +#define BTIM_CR1_OPM (1 << 3) /* Bit 3: One Pulse Mode */ +#define BTIM_CR1_ARPE (1 << 7) /* Bit 7: Auto-Reload Preload enable */ + +/* Control register 2 */ + +#define BTIM_CR2_MMS_SHIFT (4) /* Bits 6-4: Master Mode Selection */ +#define BTIM_CR2_MMS_MASK (7 << BTIM_CR2_MMS_SHIFT) +# define BTIM_CR2_RESET (0 << BTIM_CR2_MMS_SHIFT) /* 000: Reset */ +# define BTIM_CR2_ENAB (1 << BTIM_CR2_MMS_SHIFT) /* 001: Enable */ +# define BTIM_CR2_UPDT (2 << BTIM_CR2_MMS_SHIFT) /* 010: Update */ + +/* DMA/Interrupt enable register */ + +#define BTIM_DIER_UIE (1 << 0) /* Bit 0: Update interrupt enable */ +#define BTIM_DIER_UDE (1 << 8) /* Bit 8: Update DMA request enable */ + +/* Status register */ + +#define BTIM_SR_UIF (1 << 0) /* Bit 0: Update interrupt flag */ + +/* Event generation register */ + +#define BTIM_EGR_UG (1 << 0) /* Bit 0: Update generation */ + +#endif /* __ARCH_ARM_SRC_STM32F7_CHIP_STM32_TIM_H */ diff --git a/arch/arm/src/stm32f7/stm32_tim.c b/arch/arm/src/stm32f7/stm32_tim.c new file mode 100644 index 0000000000..7605a14a7f --- /dev/null +++ b/arch/arm/src/stm32f7/stm32_tim.c @@ -0,0 +1,1099 @@ +/************************************************************************************ + * arm/arm/src/stm32f7/stm32_tim.c + * + * Copyright (C) 2011 Uros Platise. All rights reserved. + * Author: Uros Platise + * + * With modifications and updates by: + * + * Copyright (C) 2011-2012 Gregory Nutt. All rights reserved. + * Author: Gregory Nutt + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * 3. Neither the name NuttX nor the names of its contributors may be + * used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS + * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE + * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, + * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS + * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED + * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN + * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + * + ************************************************************************************/ + +/************************************************************************************ + * Included Files + ************************************************************************************/ + +#include +#include +#include + +#include +#include +#include +#include +#include +#include + +#include + +#include "chip.h" +#include "up_internal.h" +#include "up_arch.h" + +#include "stm32_gpio.h" +#include "stm32_tim.h" + +/************************************************************************************ + * Private Types + ************************************************************************************/ +/* Configuration ********************************************************************/ +/* Timer devices may be used for different purposes. Such special purposes include: + * + * - To generate modulated outputs for such things as motor control. If CONFIG_STM32F7_TIMn + * is defined then the CONFIG_STM32F7_TIMn_PWM may also be defined to indicate that + * the timer is intended to be used for pulsed output modulation. + * + * - To control periodic ADC input sampling. If CONFIG_STM32F7_TIMn is defined then + * CONFIG_STM32F7_TIMn_ADC may also be defined to indicate that timer "n" is intended + * to be used for that purpose. + * + * - To control periodic DAC outputs. If CONFIG_STM32F7_TIMn is defined then + * CONFIG_STM32F7_TIMn_DAC may also be defined to indicate that timer "n" is intended + * to be used for that purpose. + * + * - To use a Quadrature Encoder. If CONFIG_STM32F7_TIMn is defined then + * CONFIG_STM32F7_TIMn_QE may also be defined to indicate that timer "n" is intended + * to be used for that purpose. + * + * In any of these cases, the timer will not be used by this timer module. + */ + +#if defined(CONFIG_STM32F7_TIM1_PWM) || defined (CONFIG_STM32F7_TIM1_ADC) || \ + defined(CONFIG_STM32F7_TIM1_DAC) || defined(CONFIG_STM32F7_TIM1_QE) +# undef CONFIG_STM32F7_TIM1 +#endif +#if defined(CONFIG_STM32F7_TIM2_PWM) || defined (CONFIG_STM32F7_TIM2_ADC) || \ + defined(CONFIG_STM32F7_TIM2_DAC) || defined(CONFIG_STM32F7_TIM2_QE) +# undef CONFIG_STM32F7_TIM2 +#endif +#if defined(CONFIG_STM32F7_TIM3_PWM) || defined (CONFIG_STM32F7_TIM3_ADC) || \ + defined(CONFIG_STM32F7_TIM3_DAC) || defined(CONFIG_STM32F7_TIM3_QE) +# undef CONFIG_STM32F7_TIM3 +#endif +#if defined(CONFIG_STM32F7_TIM4_PWM) || defined (CONFIG_STM32F7_TIM4_ADC) || \ + defined(CONFIG_STM32F7_TIM4_DAC) || defined(CONFIG_STM32F7_TIM4_QE) +# undef CONFIG_STM32F7_TIM4 +#endif +#if defined(CONFIG_STM32F7_TIM5_PWM) || defined (CONFIG_STM32F7_TIM5_ADC) || \ + defined(CONFIG_STM32F7_TIM5_DAC) || defined(CONFIG_STM32F7_TIM5_QE) +# undef CONFIG_STM32F7_TIM5 +#endif +#if defined(CONFIG_STM32F7_TIM6_PWM) || defined (CONFIG_STM32F7_TIM6_ADC) || \ + defined(CONFIG_STM32F7_TIM6_DAC) || defined(CONFIG_STM32F7_TIM6_QE) +# undef CONFIG_STM32F7_TIM6 +#endif +#if defined(CONFIG_STM32F7_TIM7_PWM) || defined (CONFIG_STM32F7_TIM7_ADC) || \ + defined(CONFIG_STM32F7_TIM7_DAC) || defined(CONFIG_STM32F7_TIM7_QE) +# undef CONFIG_STM32F7_TIM7 +#endif +#if defined(CONFIG_STM32F7_TIM8_PWM) || defined (CONFIG_STM32F7_TIM8_ADC) || \ + defined(CONFIG_STM32F7_TIM8_DAC) || defined(CONFIG_STM32F7_TIM8_QE) +# undef CONFIG_STM32F7_TIM8 +#endif +#if defined(CONFIG_STM32F7_TIM9_PWM) || defined (CONFIG_STM32F7_TIM9_ADC) || \ + defined(CONFIG_STM32F7_TIM9_DAC) || defined(CONFIG_STM32F7_TIM9_QE) +# undef CONFIG_STM32F7_TIM9 +#endif +#if defined(CONFIG_STM32F7_TIM10_PWM) || defined (CONFIG_STM32F7_TIM10_ADC) || \ + defined(CONFIG_STM32F7_TIM10_DAC) || defined(CONFIG_STM32F7_TIM10_QE) +# undef CONFIG_STM32F7_TIM10 +#endif +#if defined(CONFIG_STM32F7_TIM11_PWM) || defined (CONFIG_STM32F7_TIM11_ADC) || \ + defined(CONFIG_STM32F7_TIM11_DAC) || defined(CONFIG_STM32F7_TIM11_QE) +# undef CONFIG_STM32F7_TIM11 +#endif +#if defined(CONFIG_STM32F7_TIM12_PWM) || defined (CONFIG_STM32F7_TIM12_ADC) || \ + defined(CONFIG_STM32F7_TIM12_DAC) || defined(CONFIG_STM32F7_TIM12_QE) +# undef CONFIG_STM32F7_TIM12 +#endif +#if defined(CONFIG_STM32F7_TIM13_PWM) || defined (CONFIG_STM32F7_TIM13_ADC) || \ + defined(CONFIG_STM32F7_TIM13_DAC) || defined(CONFIG_STM32F7_TIM13_QE) +# undef CONFIG_STM32F7_TIM13 +#endif +#if defined(CONFIG_STM32F7_TIM14_PWM) || defined (CONFIG_STM32F7_TIM14_ADC) || \ + defined(CONFIG_STM32F7_TIM14_DAC) || defined(CONFIG_STM32F7_TIM14_QE) +# undef CONFIG_STM32F7_TIM14 +#endif + +#if defined(CONFIG_STM32F7_TIM1) +# if defined(GPIO_TIM1_CH1OUT) ||defined(GPIO_TIM1_CH2OUT)||\ + defined(GPIO_TIM1_CH3OUT) ||defined(GPIO_TIM1_CH4OUT) +# define HAVE_TIM1_GPIOCONFIG 1 +#endif +#endif + +#if defined(CONFIG_STM32F7_TIM2) +# if defined(GPIO_TIM2_CH1OUT) ||defined(GPIO_TIM2_CH2OUT)||\ + defined(GPIO_TIM2_CH3OUT) ||defined(GPIO_TIM2_CH4OUT) +# define HAVE_TIM2_GPIOCONFIG 1 +#endif +#endif + +#if defined(CONFIG_STM32F7_TIM3) +# if defined(GPIO_TIM3_CH1OUT) ||defined(GPIO_TIM3_CH2OUT)||\ + defined(GPIO_TIM3_CH3OUT) ||defined(GPIO_TIM3_CH4OUT) +# define HAVE_TIM3_GPIOCONFIG 1 +#endif +#endif + +#if defined(CONFIG_STM32F7_TIM4) +# if defined(GPIO_TIM4_CH1OUT) ||defined(GPIO_TIM4_CH2OUT)||\ + defined(GPIO_TIM4_CH3OUT) ||defined(GPIO_TIM4_CH4OUT) +# define HAVE_TIM4_GPIOCONFIG 1 +#endif +#endif + +#if defined(CONFIG_STM32F7_TIM5) +# if defined(GPIO_TIM5_CH1OUT) ||defined(GPIO_TIM5_CH2OUT)||\ + defined(GPIO_TIM5_CH3OUT) ||defined(GPIO_TIM5_CH4OUT) +# define HAVE_TIM5_GPIOCONFIG 1 +#endif +#endif + +#if defined(CONFIG_STM32F7_TIM8) +# if defined(GPIO_TIM8_CH1OUT) ||defined(GPIO_TIM8_CH2OUT)||\ + defined(GPIO_TIM8_CH3OUT) ||defined(GPIO_TIM8_CH4OUT) +# define HAVE_TIM8_GPIOCONFIG 1 +#endif +#endif + + +/* This module then only compiles if there are enabled timers that are not intended for + * some other purpose. + */ + +#if defined(CONFIG_STM32F7_TIM1) || defined(CONFIG_STM32F7_TIM2) || defined(CONFIG_STM32F7_TIM3) || \ + defined(CONFIG_STM32F7_TIM4) || defined(CONFIG_STM32F7_TIM5) || defined(CONFIG_STM32F7_TIM6) || \ + defined(CONFIG_STM32F7_TIM7) || defined(CONFIG_STM32F7_TIM8) + +/************************************************************************************ + * Private Types + ************************************************************************************/ + +/* TIM Device Structure */ + +struct stm32_tim_priv_s +{ + struct stm32_tim_ops_s *ops; + stm32_tim_mode_t mode; + uint32_t base; /* TIMn base address */ +}; + +/************************************************************************************ + * Private Functions + ************************************************************************************/ + +/* Get a 16-bit register value by offset */ + +static inline uint16_t stm32_getreg16(FAR struct stm32_tim_dev_s *dev, + uint8_t offset) +{ + return getreg16(((struct stm32_tim_priv_s *)dev)->base + offset); +} + +/* Put a 16-bit register value by offset */ + +static inline void stm32_putreg16(FAR struct stm32_tim_dev_s *dev, uint8_t offset, + uint16_t value) +{ + putreg16(value, ((struct stm32_tim_priv_s *)dev)->base + offset); +} + +/* Modify a 16-bit register value by offset */ + +static inline void stm32_modifyreg16(FAR struct stm32_tim_dev_s *dev, + uint8_t offset, uint16_t clearbits, + uint16_t setbits) +{ + modifyreg16(((struct stm32_tim_priv_s *)dev)->base + offset, clearbits, setbits); +} + +/* Get a 32-bit register value by offset. This applies only for the STM32 F4 + * 32-bit registers (CNT, ARR, CRR1-4) in the 32-bit timers TIM2-5. + */ + +static inline uint32_t stm32_getreg32(FAR struct stm32_tim_dev_s *dev, + uint8_t offset) +{ + return getreg32(((struct stm32_tim_priv_s *)dev)->base + offset); +} + +/* Put a 32-bit register value by offset. This applies only for the STM32 F4 + * 32-bit registers (CNT, ARR, CRR1-4) in the 32-bit timers TIM2-5. + */ + +static inline void stm32_putreg32(FAR struct stm32_tim_dev_s *dev, uint8_t offset, + uint32_t value) +{ + putreg32(value, ((struct stm32_tim_priv_s *)dev)->base + offset); +} + +static void stm32_tim_reload_counter(FAR struct stm32_tim_dev_s *dev) +{ + uint16_t val = stm32_getreg16(dev, STM32_BTIM_EGR_OFFSET); + val |= ATIM_EGR_UG; + stm32_putreg16(dev, STM32_BTIM_EGR_OFFSET, val); +} + +static void stm32_tim_enable(FAR struct stm32_tim_dev_s *dev) +{ + uint16_t val = stm32_getreg16(dev, STM32_BTIM_CR1_OFFSET); + val |= ATIM_CR1_CEN; + stm32_tim_reload_counter(dev); + stm32_putreg16(dev, STM32_BTIM_CR1_OFFSET, val); +} + +static void stm32_tim_disable(FAR struct stm32_tim_dev_s *dev) +{ + uint16_t val = stm32_getreg16(dev, STM32_BTIM_CR1_OFFSET); + val &= ~ATIM_CR1_CEN; + stm32_putreg16(dev, STM32_BTIM_CR1_OFFSET, val); +} + +/* Reset timer into system default state, but do not affect output/input pins */ + +static void stm32_tim_reset(FAR struct stm32_tim_dev_s *dev) +{ + ((struct stm32_tim_priv_s *)dev)->mode = STM32_TIM_MODE_DISABLED; + stm32_tim_disable(dev); +} + +#if defined(HAVE_TIM1_GPIOCONFIG)||defined(HAVE_TIM2_GPIOCONFIG)||\ + defined(HAVE_TIM3_GPIOCONFIG)||defined(HAVE_TIM4_GPIOCONFIG)||\ + defined(HAVE_TIM5_GPIOCONFIG)||defined(HAVE_TIM8_GPIOCONFIG) +static void stm32_tim_gpioconfig(uint32_t cfg, stm32_tim_channel_t mode) +{ + /* TODO: Add support for input capture and bipolar dual outputs for TIM8 */ + + if (mode & STM32_TIM_CH_MODE_MASK) + { + stm32_configgpio(cfg); + } + else + { + stm32_unconfiggpio(cfg); + } +} +#endif + +/************************************************************************************ + * Basic Functions + ************************************************************************************/ + +static int stm32_tim_setclock(FAR struct stm32_tim_dev_s *dev, uint32_t freq) +{ + int prescaler; + + ASSERT(dev); + + /* Disable Timer? */ + + if (freq == 0) + { + stm32_tim_disable(dev); + return 0; + } + +#if STM32F7_NATIM > 0 + if (((struct stm32_tim_priv_s *)dev)->base == STM32_TIM1_BASE || + ((struct stm32_tim_priv_s *)dev)->base == STM32_TIM8_BASE) + { + prescaler = STM32_TIM18_FREQUENCY / freq; + } + else +#endif + { + prescaler = STM32_TIM27_FREQUENCY / freq; + } + + /* We need to decrement value for '1', but only, if we are allowed to + * not to cause underflow. Check for overflow. + */ + + if (prescaler > 0) + { + prescaler--; + } + + if (prescaler > 0xffff) + { + prescaler = 0xffff; + } + + stm32_putreg16(dev, STM32_BTIM_PSC_OFFSET, prescaler); + stm32_tim_enable(dev); + + return prescaler; +} + +static void stm32_tim_setperiod(FAR struct stm32_tim_dev_s *dev, + uint32_t period) +{ + ASSERT(dev); + stm32_putreg32(dev, STM32_BTIM_ARR_OFFSET, period); +} + +static int stm32_tim_setisr(FAR struct stm32_tim_dev_s *dev, + int (*handler)(int irq, void *context), + int source) +{ + int vectorno; + + ASSERT(dev); + ASSERT(source == 0); + + switch (((struct stm32_tim_priv_s *)dev)->base) + { +#ifdef CONFIG_STM32F7_TIM2 + case STM32_TIM2_BASE: + vectorno = STM32_IRQ_TIM2; + break; +#endif +#ifdef CONFIG_STM32F7_TIM3 + case STM32_TIM3_BASE: + vectorno = STM32_IRQ_TIM3; + break; +#endif +#ifdef CONFIG_STM32F7_TIM4 + case STM32_TIM4_BASE: + vectorno = STM32_IRQ_TIM4; + break; +#endif +#ifdef CONFIG_STM32F7_TIM5 + case STM32_TIM5_BASE: + vectorno = STM32_IRQ_TIM5; + break; +#endif +#if STM32F7_NBTIM > 0 +#ifdef CONFIG_STM32F7_TIM6 + case STM32_TIM6_BASE: + vectorno = STM32_IRQ_TIM6; + break; +#endif +#endif +#if STM32F7_NBTIM > 1 +#ifdef CONFIG_STM32F7_TIM7 + case STM32_TIM7_BASE: + vectorno = STM32_IRQ_TIM7; + break; +#endif +#endif +#if STM32F7_NATIM > 0 + /* TODO: add support for multiple sources and callbacks */ + +#ifdef CONFIG_STM32F7_TIM1 + case STM32_TIM1_BASE: + vectorno = STM32_IRQ_TIM1UP; + break; +#endif +#ifdef CONFIG_STM32F7_TIM8 + case STM32_TIM8_BASE: + vectorno = STM32_IRQ_TIM8UP; + break; +#endif +#endif + default: + return ERROR; + } + + /* Disable interrupt when callback is removed */ + + if (!handler) + { + up_disable_irq(vectorno); + irq_detach(vectorno); + return OK; + } + + /* Otherwise set callback and enable interrupt */ + + irq_attach(vectorno, handler); + up_enable_irq(vectorno); + +#ifdef CONFIG_ARCH_IRQPRIO + /* Set the interrupt priority */ + + up_prioritize_irq(vectorno, NVIC_SYSH_PRIORITY_DEFAULT); +#endif + + return OK; +} + +static void stm32_tim_enableint(FAR struct stm32_tim_dev_s *dev, int source) +{ + ASSERT(dev); + stm32_modifyreg16(dev, STM32_BTIM_DIER_OFFSET, 0, ATIM_DIER_UIE); +} + +static void stm32_tim_disableint(FAR struct stm32_tim_dev_s *dev, int source) +{ + ASSERT(dev); + stm32_modifyreg16(dev, STM32_BTIM_DIER_OFFSET, ATIM_DIER_UIE, 0); +} + +static void stm32_tim_ackint(FAR struct stm32_tim_dev_s *dev, int source) +{ + stm32_putreg16(dev, STM32_BTIM_SR_OFFSET, ~ATIM_SR_UIF); +} + +/************************************************************************************ + * General Functions + ************************************************************************************/ + +static int stm32_tim_setmode(FAR struct stm32_tim_dev_s *dev, stm32_tim_mode_t mode) +{ + uint16_t val = ATIM_CR1_CEN | ATIM_CR1_ARPE; + + ASSERT(dev); + + /* This function is not supported on basic timers. To enable or + * disable it, simply set its clock to valid frequency or zero. + */ + +#if STM32F7_NBTIM > 0 + if (((struct stm32_tim_priv_s *)dev)->base == STM32_TIM6_BASE +#endif +#if STM32F7_NBTIM > 1 + || ((struct stm32_tim_priv_s *)dev)->base == STM32_TIM7_BASE +#endif +#if STM32F7_NBTIM > 0 + ) + { + return ERROR; + } +#endif + + /* Decode operational modes */ + + switch (mode & STM32_TIM_MODE_MASK) + { + case STM32_TIM_MODE_DISABLED: + val = 0; + break; + + case STM32_TIM_MODE_DOWN: + val |= ATIM_CR1_DIR; + + case STM32_TIM_MODE_UP: + break; + + case STM32_TIM_MODE_UPDOWN: + val |= ATIM_CR1_CENTER1; + // Our default: Interrupts are generated on compare, when counting down + break; + + case STM32_TIM_MODE_PULSE: + val |= ATIM_CR1_OPM; + break; + + default: + return ERROR; + } + + stm32_tim_reload_counter(dev); + stm32_putreg16(dev, STM32_BTIM_CR1_OFFSET, val); + +#if STM32F7_NATIM > 0 + /* Advanced registers require Main Output Enable */ + + if (((struct stm32_tim_priv_s *)dev)->base == STM32_TIM1_BASE || + ((struct stm32_tim_priv_s *)dev)->base == STM32_TIM8_BASE) + { + stm32_modifyreg16(dev, STM32_ATIM_BDTR_OFFSET, 0, ATIM_BDTR_MOE); + } +#endif + + return OK; +} + +static int stm32_tim_setchannel(FAR struct stm32_tim_dev_s *dev, uint8_t channel, + stm32_tim_channel_t mode) +{ + uint16_t ccmr_orig = 0; + uint16_t ccmr_val = 0; + uint16_t ccmr_mask = 0xff; + uint16_t ccer_val = stm32_getreg16(dev, STM32_GTIM_CCER_OFFSET); + uint8_t ccmr_offset = STM32_GTIM_CCMR1_OFFSET; + + ASSERT(dev); + + /* Further we use range as 0..3; if channel=0 it will also overflow here */ + + if (--channel > 4) + { + return ERROR; + } + + /* Assume that channel is disabled and polarity is active high */ + + ccer_val &= ~(3 << (channel << 2)); + + /* This function is not supported on basic timers. To enable or + * disable it, simply set its clock to valid frequency or zero. + */ + +#if STM32F7_NBTIM > 0 + if (((struct stm32_tim_priv_s *)dev)->base == STM32_TIM6_BASE +#endif +#if STM32F7_NBTIM > 1 + || ((struct stm32_tim_priv_s *)dev)->base == STM32_TIM7_BASE +#endif +#if STM32F7_NBTIM > 0 + ) + { + return ERROR; + } +#endif + + /* Decode configuration */ + + switch (mode & STM32_TIM_CH_MODE_MASK) + { + case STM32_TIM_CH_DISABLED: + break; + + case STM32_TIM_CH_OUTPWM: + ccmr_val = (ATIM_CCMR_MODE_PWM1 << ATIM_CCMR1_OC1M_SHIFT) + ATIM_CCMR1_OC1PE; + ccer_val |= ATIM_CCER_CC1E << (channel << 2); + break; + + default: + return ERROR; + } + + /* Set polarity */ + + if (mode & STM32_TIM_CH_POLARITY_NEG) + { + ccer_val |= ATIM_CCER_CC1P << (channel << 2); + } + + /* Define its position (shift) and get register offset */ + + if (channel & 1) + { + ccmr_val <<= 8; + ccmr_mask <<= 8; + } + + if (channel > 1) + { + ccmr_offset = STM32_GTIM_CCMR2_OFFSET; + } + + ccmr_orig = stm32_getreg16(dev, ccmr_offset); + ccmr_orig &= ~ccmr_mask; + ccmr_orig |= ccmr_val; + stm32_putreg16(dev, ccmr_offset, ccmr_orig); + stm32_putreg16(dev, STM32_GTIM_CCER_OFFSET, ccer_val); + + /* set GPIO */ + + switch (((struct stm32_tim_priv_s *)dev)->base) + { +#ifdef CONFIG_STM32F7_TIM2 + case STM32_TIM2_BASE: + switch (channel) + { +#if defined(GPIO_TIM2_CH1OUT) + case 0: + stm32_tim_gpioconfig(GPIO_TIM2_CH1OUT, mode); + break; +#endif +#if defined(GPIO_TIM2_CH2OUT) + case 1: + stm32_tim_gpioconfig(GPIO_TIM2_CH2OUT, mode); + break; +#endif +#if defined(GPIO_TIM2_CH3OUT) + case 2: + stm32_tim_gpioconfig(GPIO_TIM2_CH3OUT, mode); + break; +#endif +#if defined(GPIO_TIM2_CH4OUT) + case 3: + stm32_tim_gpioconfig(GPIO_TIM2_CH4OUT, mode); + break; +#endif + default: + return ERROR; + } + break; +#endif +#ifdef CONFIG_STM32F7_TIM3 + case STM32_TIM3_BASE: + switch (channel) + { +#if defined(GPIO_TIM3_CH1OUT) + case 0: + stm32_tim_gpioconfig(GPIO_TIM3_CH1OUT, mode); + break; +#endif +#if defined(GPIO_TIM3_CH2OUT) + case 1: + stm32_tim_gpioconfig(GPIO_TIM3_CH2OUT, mode); + break; +#endif +#if defined(GPIO_TIM3_CH3OUT) + case 2: + stm32_tim_gpioconfig(GPIO_TIM3_CH3OUT, mode); + break; +#endif +#if defined(GPIO_TIM3_CH4OUT) + case 3: + stm32_tim_gpioconfig(GPIO_TIM3_CH4OUT, mode); + break; +#endif + default: + return ERROR; + } + break; +#endif +#ifdef CONFIG_STM32F7_TIM4 + case STM32_TIM4_BASE: + switch (channel) + { +#if defined(GPIO_TIM4_CH1OUT) + case 0: + stm32_tim_gpioconfig(GPIO_TIM4_CH1OUT, mode); + break; +#endif +#if defined(GPIO_TIM4_CH2OUT) + case 1: + stm32_tim_gpioconfig(GPIO_TIM4_CH2OUT, mode); + break; +#endif +#if defined(GPIO_TIM4_CH3OUT) + case 2: + stm32_tim_gpioconfig(GPIO_TIM4_CH3OUT, mode); + break; +#endif +#if defined(GPIO_TIM4_CH4OUT) + case 3: + stm32_tim_gpioconfig(GPIO_TIM4_CH4OUT, mode); + break; +#endif + default: + return ERROR; + } + break; +#endif +#ifdef CONFIG_STM32F7_TIM5 + case STM32_TIM5_BASE: + switch (channel) + { +#if defined(GPIO_TIM5_CH1OUT) + case 0: + stm32_tim_gpioconfig(GPIO_TIM5_CH1OUT, mode); + break; +#endif +#if defined(GPIO_TIM5_CH2OUT) + case 1: + stm32_tim_gpioconfig(GPIO_TIM5_CH2OUT, mode); + break; +#endif +#if defined(GPIO_TIM5_CH3OUT) + case 2: + stm32_tim_gpioconfig(GPIO_TIM5_CH3OUT, mode); + break; +#endif +#if defined(GPIO_TIM5_CH4OUT) + case 3: + stm32_tim_gpioconfig(GPIO_TIM5_CH4OUT, mode); + break; +#endif + default: + return ERROR; + } + break; +#endif + +#if STM32F7_NATIM > 0 +#ifdef CONFIG_STM32F7_TIM1 + case STM32_TIM1_BASE: + switch (channel) + { +#if defined(GPIO_TIM1_CH1OUT) + case 0: + stm32_tim_gpioconfig(GPIO_TIM1_CH1OUT, mode); break; +#endif +#if defined(GPIO_TIM1_CH2OUT) + case 1: + stm32_tim_gpioconfig(GPIO_TIM1_CH2OUT, mode); break; +#endif +#if defined(GPIO_TIM1_CH3OUT) + case 2: + stm32_tim_gpioconfig(GPIO_TIM1_CH3OUT, mode); break; +#endif +#if defined(GPIO_TIM1_CH4OUT) + case 3: + stm32_tim_gpioconfig(GPIO_TIM1_CH4OUT, mode); break; +#endif + default: + return ERROR; + } + break; +#endif +#ifdef CONFIG_STM32F7_TIM8 + case STM32_TIM8_BASE: + switch (channel) + { +#if defined(GPIO_TIM8_CH1OUT) + case 0: + stm32_tim_gpioconfig(GPIO_TIM8_CH1OUT, mode); break; +#endif +#if defined(GPIO_TIM8_CH2OUT) + case 1: + stm32_tim_gpioconfig(GPIO_TIM8_CH2OUT, mode); break; +#endif +#if defined(GPIO_TIM8_CH3OUT) + case 2: + stm32_tim_gpioconfig(GPIO_TIM8_CH3OUT, mode); break; +#endif +#if defined(GPIO_TIM8_CH4OUT) + case 3: + stm32_tim_gpioconfig(GPIO_TIM8_CH4OUT, mode); break; +#endif + default: + return ERROR; + } + break; +#endif +#endif + default: + return ERROR; + } + + return OK; +} + +static int stm32_tim_setcompare(FAR struct stm32_tim_dev_s *dev, uint8_t channel, + uint32_t compare) +{ + ASSERT(dev); + + switch (channel) + { + case 1: + stm32_putreg32(dev, STM32_GTIM_CCR1_OFFSET, compare); + break; + case 2: + stm32_putreg32(dev, STM32_GTIM_CCR2_OFFSET, compare); + break; + case 3: + stm32_putreg32(dev, STM32_GTIM_CCR3_OFFSET, compare); + break; + case 4: + stm32_putreg32(dev, STM32_GTIM_CCR4_OFFSET, compare); + break; + default: + return ERROR; + } + return OK; +} + +static int stm32_tim_getcapture(FAR struct stm32_tim_dev_s *dev, uint8_t channel) +{ + ASSERT(dev); + + switch (channel) + { + case 1: + return stm32_getreg32(dev, STM32_GTIM_CCR1_OFFSET); + case 2: + return stm32_getreg32(dev, STM32_GTIM_CCR2_OFFSET); + case 3: + return stm32_getreg32(dev, STM32_GTIM_CCR3_OFFSET); + case 4: + return stm32_getreg32(dev, STM32_GTIM_CCR4_OFFSET); + } + + return ERROR; +} + +/************************************************************************************ + * Advanced Functions + ************************************************************************************/ + +/* TODO: Advanced functions for the STM32_ATIM */ + +/************************************************************************************ + * Device Structures, Instantiation + ************************************************************************************/ + +struct stm32_tim_ops_s stm32_tim_ops = +{ + .setmode = &stm32_tim_setmode, + .setclock = &stm32_tim_setclock, + .setperiod = &stm32_tim_setperiod, + .setchannel = &stm32_tim_setchannel, + .setcompare = &stm32_tim_setcompare, + .getcapture = &stm32_tim_getcapture, + .setisr = &stm32_tim_setisr, + .enableint = &stm32_tim_enableint, + .disableint = &stm32_tim_disableint, + .ackint = &stm32_tim_ackint +}; + +#ifdef CONFIG_STM32F7_TIM2 +struct stm32_tim_priv_s stm32_tim2_priv = +{ + .ops = &stm32_tim_ops, + .mode = STM32_TIM_MODE_UNUSED, + .base = STM32_TIM2_BASE, +}; +#endif + +#ifdef CONFIG_STM32F7_TIM3 +struct stm32_tim_priv_s stm32_tim3_priv = +{ + .ops = &stm32_tim_ops, + .mode = STM32_TIM_MODE_UNUSED, + .base = STM32_TIM3_BASE, +}; +#endif + +#ifdef CONFIG_STM32F7_TIM4 +struct stm32_tim_priv_s stm32_tim4_priv = +{ + .ops = &stm32_tim_ops, + .mode = STM32_TIM_MODE_UNUSED, + .base = STM32_TIM4_BASE, +}; +#endif + +#ifdef CONFIG_STM32F7_TIM5 +struct stm32_tim_priv_s stm32_tim5_priv = +{ + .ops = &stm32_tim_ops, + .mode = STM32_TIM_MODE_UNUSED, + .base = STM32_TIM5_BASE, +}; +#endif + +#if STM32F7_NBTIM > 0 +#ifdef CONFIG_STM32F7_TIM6 +struct stm32_tim_priv_s stm32_tim6_priv = +{ + .ops = &stm32_tim_ops, + .mode = STM32_TIM_MODE_UNUSED, + .base = STM32_TIM6_BASE, +}; +#endif +#endif + +#if STM32F7_NBTIM > 1 +#ifdef CONFIG_STM32F7_TIM7 +struct stm32_tim_priv_s stm32_tim7_priv = +{ + .ops = &stm32_tim_ops, + .mode = STM32_TIM_MODE_UNUSED, + .base = STM32_TIM7_BASE, +}; +#endif +#endif + +#if STM32F7_NATIM > 0 + +#ifdef CONFIG_STM32F7_TIM1 +struct stm32_tim_priv_s stm32_tim1_priv = +{ + .ops = &stm32_tim_ops, + .mode = STM32_TIM_MODE_UNUSED, + .base = STM32_TIM1_BASE, +}; +#endif + +#ifdef CONFIG_STM32F7_TIM8 +struct stm32_tim_priv_s stm32_tim8_priv = +{ + .ops = &stm32_tim_ops, + .mode = STM32_TIM_MODE_UNUSED, + .base = STM32_TIM8_BASE, +}; +#endif + +#endif + +/************************************************************************************ + * Public Function - Initialization + ************************************************************************************/ + +FAR struct stm32_tim_dev_s *stm32_tim_init(int timer) +{ + struct stm32_tim_dev_s *dev = NULL; + + /* Get structure and enable power */ + + switch (timer) + { +#ifdef CONFIG_STM32F7_TIM2 + case 2: + dev = (struct stm32_tim_dev_s *)&stm32_tim2_priv; + modifyreg32(STM32_RCC_APB1ENR, 0, RCC_APB1ENR_TIM2EN); + break; +#endif +#ifdef CONFIG_STM32F7_TIM3 + case 3: + dev = (struct stm32_tim_dev_s *)&stm32_tim3_priv; + modifyreg32(STM32_RCC_APB1ENR, 0, RCC_APB1ENR_TIM3EN); + break; +#endif +#ifdef CONFIG_STM32F7_TIM4 + case 4: + dev = (struct stm32_tim_dev_s *)&stm32_tim4_priv; + modifyreg32(STM32_RCC_APB1ENR, 0, RCC_APB1ENR_TIM4EN); + break; +#endif +#ifdef CONFIG_STM32F7_TIM5 + case 5: + dev = (struct stm32_tim_dev_s *)&stm32_tim5_priv; + modifyreg32(STM32_RCC_APB1ENR, 0, RCC_APB1ENR_TIM5EN); + break; +#endif + +#if STM32F7_NBTIM > 0 +#ifdef CONFIG_STM32F7_TIM6 + case 6: + dev = (struct stm32_tim_dev_s *)&stm32_tim6_priv; + modifyreg32(STM32_RCC_APB1ENR, 0, RCC_APB1ENR_TIM6EN); + break; +#endif +#endif +#if STM32F7_NBTIM > 1 +#ifdef CONFIG_STM32F7_TIM7 + case 7: + dev = (struct stm32_tim_dev_s *)&stm32_tim7_priv; + modifyreg32(STM32_RCC_APB1ENR, 0, RCC_APB1ENR_TIM7EN); + break; +#endif +#endif + +#if STM32F7_NATIM > 0 +#ifdef CONFIG_STM32F7_TIM1 + case 1: + dev = (struct stm32_tim_dev_s *)&stm32_tim1_priv; + modifyreg32(STM32_RCC_APB2ENR, 0, RCC_APB2ENR_TIM1EN); + break; +#endif +#ifdef CONFIG_STM32F7_TIM8 + case 8: + dev = (struct stm32_tim_dev_s *)&stm32_tim8_priv; + modifyreg32(STM32_RCC_APB2ENR, 0, RCC_APB2ENR_TIM8EN); + break; +#endif +#endif + default: + return NULL; + } + + /* Is device already allocated */ + + if (((struct stm32_tim_priv_s *)dev)->mode != STM32_TIM_MODE_UNUSED) + { + return NULL; + } + + stm32_tim_reset(dev); + + return dev; +} + +/* TODO: Detach interrupts, and close down all TIM Channels */ + +int stm32_tim_deinit(FAR struct stm32_tim_dev_s * dev) +{ + ASSERT(dev); + + /* Disable power */ + + switch (((struct stm32_tim_priv_s *)dev)->base) + { +#ifdef CONFIG_STM32F7_TIM2 + case STM32_TIM2_BASE: + modifyreg32(STM32_RCC_APB1ENR, RCC_APB1ENR_TIM2EN, 0); + break; +#endif +#ifdef CONFIG_STM32F7_TIM3 + case STM32_TIM3_BASE: + modifyreg32(STM32_RCC_APB1ENR, RCC_APB1ENR_TIM3EN, 0); + break; +#endif +#ifdef CONFIG_STM32F7_TIM4 + case STM32_TIM4_BASE: + modifyreg32(STM32_RCC_APB1ENR, RCC_APB1ENR_TIM4EN, 0); + break; +#endif +#ifdef CONFIG_STM32F7_TIM5 + case STM32_TIM5_BASE: + modifyreg32(STM32_RCC_APB1ENR, RCC_APB1ENR_TIM5EN, 0); + break; +#endif +#if STM32F7_NBTIM > 0 +#ifdef CONFIG_STM32F7_TIM6 + case STM32_TIM6_BASE: + modifyreg32(STM32_RCC_APB1ENR, RCC_APB1ENR_TIM6EN, 0); + break; +#endif +#endif +#if STM32F7_NBTIM > 1 +#ifdef CONFIG_STM32F7_TIM7 + case STM32_TIM7_BASE: + modifyreg32(STM32_RCC_APB1ENR, RCC_APB1ENR_TIM7EN, 0); + break; +#endif +#endif + +#if STM32F7_NATIM > 0 +#ifdef CONFIG_STM32F7_TIM1 + case STM32_TIM1_BASE: + modifyreg32(STM32_RCC_APB2ENR, RCC_APB2ENR_TIM1EN, 0); + break; +#endif +#ifdef CONFIG_STM32F7_TIM8 + case STM32_TIM8_BASE: + modifyreg32(STM32_RCC_APB2ENR, RCC_APB2ENR_TIM8EN, 0); + break; +#endif +#endif + default: + return ERROR; + } + + /* Mark it as free */ + + ((struct stm32_tim_priv_s *)dev)->mode = STM32_TIM_MODE_UNUSED; + + return OK; +} + +#endif /* defined(CONFIG_STM32F7_TIM1 || ... || TIM8) */ diff --git a/arch/arm/src/stm32f7/stm32_tim.h b/arch/arm/src/stm32f7/stm32_tim.h new file mode 100644 index 0000000000..c4561288a9 --- /dev/null +++ b/arch/arm/src/stm32f7/stm32_tim.h @@ -0,0 +1,215 @@ +/************************************************************************************ + * arch/arm/src/stm32f7/stm32_tim.h + * + * Copyright (C) 2011 Uros Platise. All rights reserved. + * Author: Uros Platise + * + * With modifications and updates by: + * + * Copyright (C) 2011-2012 Gregory Nutt. All rights reserved. + * Author: Gregory Nutt + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * 3. Neither the name NuttX nor the names of its contributors may be + * used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS + * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE + * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, + * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS + * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED + * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN + * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + * + ************************************************************************************/ + +#ifndef __ARCH_ARM_SRC_STM32F7_STM32_TIM_H +#define __ARCH_ARM_SRC_STM32F7_STM32_TIM_H + +/************************************************************************************ + * Included Files + ************************************************************************************/ + +#include + +#include "chip.h" +#include "chip/stm32_tim.h" + +/************************************************************************************ + * Pre-processor Definitions + ************************************************************************************/ +/* Helpers **************************************************************************/ + +#define STM32_TIM_SETMODE(d,mode) ((d)->ops->setmode(d,mode)) +#define STM32_TIM_SETCLOCK(d,freq) ((d)->ops->setclock(d,freq)) +#define STM32_TIM_SETPERIOD(d,period) ((d)->ops->setperiod(d,period)) +#define STM32_TIM_SETCHANNEL(d,ch,mode) ((d)->ops->setchannel(d,ch,mode)) +#define STM32_TIM_SETCOMPARE(d,ch,comp) ((d)->ops->setcompare(d,ch,comp)) +#define STM32_TIM_GETCAPTURE(d,ch) ((d)->ops->getcapture(d,ch)) +#define STM32_TIM_SETISR(d,hnd,s) ((d)->ops->setisr(d,hnd,s)) +#define STM32_TIM_ENABLEINT(d,s) ((d)->ops->enableint(d,s)) +#define STM32_TIM_DISABLEINT(d,s) ((d)->ops->disableint(d,s)) +#define STM32_TIM_ACKINT(d,s) ((d)->ops->ackint(d,s)) + +/************************************************************************************ + * Public Types + ************************************************************************************/ + +#ifndef __ASSEMBLY__ + +#undef EXTERN +#if defined(__cplusplus) +#define EXTERN extern "C" +extern "C" +{ +#else +#define EXTERN extern +#endif + +/* TIM Device Structure */ + +struct stm32_tim_dev_s +{ + struct stm32_tim_ops_s *ops; +}; + +/* TIM Modes of Operation */ + +typedef enum +{ + STM32_TIM_MODE_UNUSED = -1, + + /* One of the following */ + + STM32_TIM_MODE_MASK = 0x0310, + STM32_TIM_MODE_DISABLED = 0x0000, + STM32_TIM_MODE_UP = 0x0100, + STM32_TIM_MODE_DOWN = 0x0110, + STM32_TIM_MODE_UPDOWN = 0x0200, + STM32_TIM_MODE_PULSE = 0x0300, + + /* One of the following */ + + STM32_TIM_MODE_CK_INT = 0x0000, +//STM32_TIM_MODE_CK_INT_TRIG = 0x0400, +//STM32_TIM_MODE_CK_EXT = 0x0800, +//STM32_TIM_MODE_CK_EXT_TRIG = 0x0C00, + + /* Clock sources, OR'ed with CK_EXT */ + +//STM32_TIM_MODE_CK_CHINVALID = 0x0000, +//STM32_TIM_MODE_CK_CH1 = 0x0001, +//STM32_TIM_MODE_CK_CH2 = 0x0002, +//STM32_TIM_MODE_CK_CH3 = 0x0003, +//STM32_TIM_MODE_CK_CH4 = 0x0004 + + /* Todo: external trigger block */ + +} stm32_tim_mode_t; + +/* TIM Channel Modes */ + +typedef enum +{ + STM32_TIM_CH_DISABLED = 0x00, + + /* Common configuration */ + + STM32_TIM_CH_POLARITY_POS = 0x00, + STM32_TIM_CH_POLARITY_NEG = 0x01, + + /* MODES: */ + + STM32_TIM_CH_MODE_MASK = 0x06, + + /* Output Compare Modes */ + + STM32_TIM_CH_OUTPWM = 0x04, /** Enable standard PWM mode, active high when counter < compare */ +//STM32_TIM_CH_OUTCOMPARE = 0x06, + + // TODO other modes ... as PWM capture, ENCODER and Hall Sensor +//STM32_TIM_CH_INCAPTURE = 0x10, +//STM32_TIM_CH_INPWM = 0x20 +//STM32_TIM_CH_DRIVE_OC -- open collector mode + +} stm32_tim_channel_t; + +/* TIM Operations */ + +struct stm32_tim_ops_s +{ + /* Basic Timers */ + + int (*setmode)(FAR struct stm32_tim_dev_s *dev, stm32_tim_mode_t mode); + int (*setclock)(FAR struct stm32_tim_dev_s *dev, uint32_t freq); + void (*setperiod)(FAR struct stm32_tim_dev_s *dev, uint32_t period); + + /* General and Advanced Timers Adds */ + + int (*setchannel)(FAR struct stm32_tim_dev_s *dev, uint8_t channel, stm32_tim_channel_t mode); + int (*setcompare)(FAR struct stm32_tim_dev_s *dev, uint8_t channel, uint32_t compare); + int (*getcapture)(FAR struct stm32_tim_dev_s *dev, uint8_t channel); + + /* Timer interrupts */ + + int (*setisr)(FAR struct stm32_tim_dev_s *dev, int (*handler)(int irq, void *context), int source); + void (*enableint)(FAR struct stm32_tim_dev_s *dev, int source); + void (*disableint)(FAR struct stm32_tim_dev_s *dev, int source); + void (*ackint)(FAR struct stm32_tim_dev_s *dev, int source); +}; + +/************************************************************************************ + * Public Functions + ************************************************************************************/ + +/* Power-up timer and get its structure */ + +FAR struct stm32_tim_dev_s *stm32_tim_init(int timer); + +/* Power-down timer, mark it as unused */ + +int stm32_tim_deinit(FAR struct stm32_tim_dev_s * dev); + +/**************************************************************************** + * Name: stm32_timer_initialize + * + * Description: + * Bind the configuration timer to a timer lower half instance and + * register the timer drivers at 'devpath' + * + * Input Parameters: + * devpath - The full path to the timer device. This should be of the form /dev/timer0 + * timer - the timer number. + * + * Returned Values: + * Zero (OK) is returned on success; A negated errno value is returned + * to indicate the nature of any failure. + * + ****************************************************************************/ + +#ifdef CONFIG_TIMER +int stm32_timer_initialize(FAR const char *devpath, int timer); +#endif + +#undef EXTERN +#if defined(__cplusplus) +} +#endif + +#endif /* __ASSEMBLY__ */ +#endif /* __ARCH_ARM_SRC_STM32F7_STM32_TIM_H */ diff --git a/configs/stm32f746-ws/nsh/defconfig b/configs/stm32f746-ws/nsh/defconfig index 73e832d3fd..7648c14777 100644 --- a/configs/stm32f746-ws/nsh/defconfig +++ b/configs/stm32f746-ws/nsh/defconfig @@ -155,7 +155,7 @@ CONFIG_ARMV7M_HAVE_STACKCHECK=y # # STM32 F7 Configuration Options # -# CONFIG_ARCH_CHIP_STM32F745 is not set + CONFIG_ARCH_CHIP_STM32F746=y # CONFIG_ARCH_CHIP_STM32F756 is not set CONFIG_STM32F7_STM32F74XX=y