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nuttx/boards/arm/stm32l4/nucleo-l496zg/include/board.h
Juha Niskanen 3d5e6b07b4 boards/arm/stm32l4/nucleo-l496zg: add LPUART gpio defines 
Also update obsolete instructions.

Signed-off-by: Juha Niskanen <juha.niskanen@haltian.com>
2021-09-14 08:57:25 -07:00

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/****************************************************************************
* boards/arm/stm32l4/nucleo-l496zg/include/board.h
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership. The
* ASF licenses this file to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance with the
* License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations
* under the License.
*
****************************************************************************/
#ifndef __BOARDS_ARM_STM32L4_NUCLEO_L496ZG_INCLUDE_BOARD_H
#define __BOARDS_ARM_STM32L4_NUCLEO_L496ZG_INCLUDE_BOARD_H
/****************************************************************************
* Included Files
****************************************************************************/
#include <nuttx/config.h>
#ifndef __ASSEMBLY__
# include <stdint.h>
#endif
/* Do not include STM32 L4 header files here */
/****************************************************************************
* Pre-processor Definitions
****************************************************************************/
/* Clocking *****************************************************************/
/* The Nucleo-144 board provides the following clock sources:
*
* MCO: 8 MHz from MCO output of ST-LINK is used as input clock
* X2: 32.768 KHz crystal for LSE
* X3: HSE crystal oscillator (not provided)
*
* So we have these clock source available within the STM32
*
* HSI: 16 MHz RC factory-trimmed
* LSI: 32 KHz RC
* HSE: 8 MHz from MCO output of ST-LINK
* LSE: 32.768 kHz
*/
#define STM32L4_HSI_FREQUENCY 16000000ul
#define STM32L4_LSI_FREQUENCY 32000
#define STM32L4_HSE_FREQUENCY 8000000ul /* 8 MHz from MCO output */
#define STM32L4_LSE_FREQUENCY 32768
#define HSE_CLOCK_CONFIG
#if defined(HSI_CLOCK_CONFIG)
#define STM32L4_BOARD_USEHSI
/* Prescaler common to all PLL inputs; will be 1 */
#define STM32L4_PLLCFG_PLLM RCC_PLLCFG_PLLM(1)
/* 'main' PLL config; we use this to generate our system clock via the R
* output. We set it up as 16 MHz / 1 * 10 / 2 = 80 MHz
*
* XXX NOTE:
* currently the main PLL is implicitly turned on and is implicitly
* the system clock; this should be configurable since not all
* applications may want things done this way.
*/
#define STM32L4_PLLCFG_PLLN RCC_PLLCFG_PLLN(10)
#define STM32L4_PLLCFG_PLLP 0
#undef STM32L4_PLLCFG_PLLP_ENABLED
#define STM32L4_PLLCFG_PLLQ RCC_PLLCFG_PLLQ_2
#define STM32L4_PLLCFG_PLLQ_ENABLED
#define STM32L4_PLLCFG_PLLR RCC_PLLCFG_PLLR_2
#define STM32L4_PLLCFG_PLLR_ENABLED
/* 'SAIPLL1' is used to generate the 48 MHz clock, since we can't
* do that with the main PLL's N value. We set N = 13, and enable
* the Q output (ultimately for CLK48) with /4. So,
* 16 MHz / 1 * 12 / 4 = 48 MHz
*
* XXX NOTE: currently the SAIPLL /must/ be explicitly selected in the
* menuconfig, or else all this is a moot point, and the various 48 MHz
* peripherals will not work (RNG at present). I would suggest removing
* that option from Kconfig altogether, and simply making it an option
* that is selected via a #define here, like all these other params.
*/
#define STM32L4_PLLSAI1CFG_PLLN RCC_PLLSAI1CFG_PLLN(12)
#define STM32L4_PLLSAI1CFG_PLLP 0
#undef STM32L4_PLLSAI1CFG_PLLP_ENABLED
#define STM32L4_PLLSAI1CFG_PLLQ RCC_PLLSAI1CFG_PLLQ_4
#define STM32L4_PLLSAI1CFG_PLLQ_ENABLED
#define STM32L4_PLLSAI1CFG_PLLR 0
#undef STM32L4_PLLSAI1CFG_PLLR_ENABLED
/* 'SAIPLL2' is not used in this application */
#define STM32L4_PLLSAI2CFG_PLLN RCC_PLLSAI2CFG_PLLN(8)
#define STM32L4_PLLSAI2CFG_PLLP 0
#undef STM32L4_PLLSAI2CFG_PLLP_ENABLED
#define STM32L4_PLLSAI2CFG_PLLR 0
#undef STM32L4_PLLSAI2CFG_PLLR_ENABLED
#define STM32L4_SYSCLK_FREQUENCY 80000000ul
/* CLK48 will come from PLLSAI1 (implicitly Q) */
#if defined(CONFIG_STM32L4_OTGFS) || defined(STM32L4_SDMMC) || defined(CONFIG_STM32L4_RNG)
# define STM32L4_USE_CLK48 1
# define STM32L4_CLK48_SEL RCC_CCIPR_CLK48SEL_PLLSAI1
# define STM32L4_HSI48_SYNCSRC SYNCSRC_NONE
#endif
/* Enable the LSE oscillator, used automatically trim the MSI, and for RTC */
#define STM32L4_USE_LSE 1
/* AHB clock (HCLK) is SYSCLK (80MHz) */
#define STM32L4_RCC_CFGR_HPRE RCC_CFGR_HPRE_SYSCLK /* HCLK = SYSCLK / 1 */
#define STM32L4_HCLK_FREQUENCY STM32L4_SYSCLK_FREQUENCY
/* APB1 clock (PCLK1) is HCLK/1 (80MHz) */
#define STM32L4_RCC_CFGR_PPRE1 RCC_CFGR_PPRE1_HCLK /* PCLK1 = HCLK / 1 */
#define STM32L4_PCLK1_FREQUENCY (STM32L4_HCLK_FREQUENCY/1)
/* Timers driven from APB1 will be twice PCLK1 */
/* REVISIT : this can be configured */
#define STM32L4_APB1_TIM2_CLKIN (2*STM32L4_PCLK1_FREQUENCY)
#define STM32L4_APB1_TIM3_CLKIN (2*STM32L4_PCLK1_FREQUENCY)
#define STM32L4_APB1_TIM4_CLKIN (2*STM32L4_PCLK1_FREQUENCY)
#define STM32L4_APB1_TIM5_CLKIN (2*STM32L4_PCLK1_FREQUENCY)
#define STM32L4_APB1_TIM6_CLKIN (2*STM32L4_PCLK1_FREQUENCY)
#define STM32L4_APB1_TIM7_CLKIN (2*STM32L4_PCLK1_FREQUENCY)
/* APB2 clock (PCLK2) is HCLK (80MHz) */
#define STM32L4_RCC_CFGR_PPRE2 RCC_CFGR_PPRE2_HCLK /* PCLK2 = HCLK / 1 */
#define STM32L4_PCLK2_FREQUENCY (STM32L4_HCLK_FREQUENCY/1)
/* Timers driven from APB2 will be twice PCLK2 */
/* REVISIT : this can be configured */
#define STM32L4_APB2_TIM1_CLKIN (2*STM32L4_PCLK2_FREQUENCY)
#define STM32L4_APB2_TIM8_CLKIN (2*STM32L4_PCLK2_FREQUENCY)
#define STM32L4_APB2_TIM15_CLKIN (2*STM32L4_PCLK2_FREQUENCY)
#define STM32L4_APB2_TIM16_CLKIN (2*STM32L4_PCLK2_FREQUENCY)
#define STM32L4_APB2_TIM17_CLKIN (2*STM32L4_PCLK2_FREQUENCY)
/* Timer Frequencies, if APBx is set to 1, frequency is same to APBx
* otherwise frequency is 2xAPBx.
* Note: TIM1,8,15,16,17 are on APB2, others on APB1
*/
/* REVISIT : this can be configured */
#elif defined(HSE_CLOCK_CONFIG)
#define STM32L4_BOARD_USEHSE
/* Prescaler common to all PLL inputs; will be 1 */
#define STM32L4_PLLCFG_PLLM RCC_PLLCFG_PLLM(1)
/* 'main' PLL config; we use this to generate our system clock via the R
* output. We set it up as 8 MHz / 1 * 20 / 2 = 80 MHz
*
* XXX NOTE:
* currently the main PLL is implicitly turned on and is implicitly
* the system clock; this should be configurable since not all
* applications may want things done this way.
*/
#define STM32L4_PLLCFG_PLLN RCC_PLLCFG_PLLN(20)
#define STM32L4_PLLCFG_PLLP 0
#undef STM32L4_PLLCFG_PLLP_ENABLED
#define STM32L4_PLLCFG_PLLQ RCC_PLLCFG_PLLQ_2
#define STM32L4_PLLCFG_PLLQ_ENABLED
#define STM32L4_PLLCFG_PLLR RCC_PLLCFG_PLLR_2
#define STM32L4_PLLCFG_PLLR_ENABLED
/* 'SAIPLL1' is used to generate the 48 MHz clock, since we can't
* do that with the main PLL's N value. We set N = 12, and enable
* the Q output (ultimately for CLK48) with /4. So,
* 8 MHz / 1 * 12 / 2 = 48 MHz
*
* XXX NOTE: currently the SAIPLL /must/ be explicitly selected in the
* menuconfig, or else all this is a moot point, and the various 48 MHz
* peripherals will not work (RNG at present). I would suggest removing
* that option from Kconfig altogether, and simply making it an option
* that is selected via a #define here, like all these other params.
*/
#define STM32L4_PLLSAI1CFG_PLLN RCC_PLLSAI1CFG_PLLN(12)
#define STM32L4_PLLSAI1CFG_PLLP 0
#undef STM32L4_PLLSAI1CFG_PLLP_ENABLED
#define STM32L4_PLLSAI1CFG_PLLQ RCC_PLLSAI1CFG_PLLQ_2
#define STM32L4_PLLSAI1CFG_PLLQ_ENABLED
#define STM32L4_PLLSAI1CFG_PLLR 0
#undef STM32L4_PLLSAI1CFG_PLLR_ENABLED
/* 'SAIPLL2' is not used in this application */
#define STM32L4_PLLSAI2CFG_PLLN RCC_PLLSAI2CFG_PLLN(8)
#define STM32L4_PLLSAI2CFG_PLLP 0
#undef STM32L4_PLLSAI2CFG_PLLP_ENABLED
#define STM32L4_PLLSAI2CFG_PLLR 0
#undef STM32L4_PLLSAI2CFG_PLLR_ENABLED
#define STM32L4_SYSCLK_FREQUENCY 80000000ul
/* CLK48 will come from PLLSAI1 (implicitly Q) */
#if defined(CONFIG_STM32L4_OTGFS) || defined(STM32L4_SDMMC) || defined(CONFIG_STM32L4_RNG)
# define STM32L4_USE_CLK48 1
# define STM32L4_CLK48_SEL RCC_CCIPR_CLK48SEL_PLLSAI1
# define STM32L4_HSI48_SYNCSRC SYNCSRC_NONE
#endif
/* Enable the LSE oscillator, used automatically trim the MSI, and for RTC */
#define STM32L4_USE_LSE 1
/* AHB clock (HCLK) is SYSCLK (80MHz) */
#define STM32L4_RCC_CFGR_HPRE RCC_CFGR_HPRE_SYSCLK /* HCLK = SYSCLK / 1 */
#define STM32L4_HCLK_FREQUENCY STM32L4_SYSCLK_FREQUENCY
/* APB1 clock (PCLK1) is HCLK/1 (80MHz) */
#define STM32L4_RCC_CFGR_PPRE1 RCC_CFGR_PPRE1_HCLK /* PCLK1 = HCLK / 1 */
#define STM32L4_PCLK1_FREQUENCY (STM32L4_HCLK_FREQUENCY/1)
/* Timers driven from APB1 will be twice PCLK1 */
/* REVISIT : this can be configured */
#define STM32L4_APB1_TIM2_CLKIN (2*STM32L4_PCLK1_FREQUENCY)
#define STM32L4_APB1_TIM3_CLKIN (2*STM32L4_PCLK1_FREQUENCY)
#define STM32L4_APB1_TIM4_CLKIN (2*STM32L4_PCLK1_FREQUENCY)
#define STM32L4_APB1_TIM5_CLKIN (2*STM32L4_PCLK1_FREQUENCY)
#define STM32L4_APB1_TIM6_CLKIN (2*STM32L4_PCLK1_FREQUENCY)
#define STM32L4_APB1_TIM7_CLKIN (2*STM32L4_PCLK1_FREQUENCY)
/* APB2 clock (PCLK2) is HCLK (80MHz) */
#define STM32L4_RCC_CFGR_PPRE2 RCC_CFGR_PPRE2_HCLK /* PCLK2 = HCLK / 1 */
#define STM32L4_PCLK2_FREQUENCY (STM32L4_HCLK_FREQUENCY/1)
/* Timers driven from APB2 will be twice PCLK2 */
/* REVISIT : this can be configured */
#define STM32L4_APB2_TIM1_CLKIN (2*STM32L4_PCLK2_FREQUENCY)
#define STM32L4_APB2_TIM8_CLKIN (2*STM32L4_PCLK2_FREQUENCY)
#define STM32L4_APB2_TIM15_CLKIN (2*STM32L4_PCLK2_FREQUENCY)
#define STM32L4_APB2_TIM16_CLKIN (2*STM32L4_PCLK2_FREQUENCY)
#define STM32L4_APB2_TIM17_CLKIN (2*STM32L4_PCLK2_FREQUENCY)
/* Timer Frequencies, if APBx is set to 1, frequency is same to APBx
* otherwise frequency is 2xAPBx.
* Note: TIM1,8,15,16,17 are on APB2, others on APB1
*/
/* REVISIT : this can be configured */
#elif defined(MSI_CLOCK_CONFIG)
#define STM32L4_BOARD_USEMSI
#define STM32L4_BOARD_MSIRANGE RCC_CR_MSIRANGE_4M
/* Prescaler common to all PLL inputs; will be 1 */
#define STM32L4_PLLCFG_PLLM RCC_PLLCFG_PLLM(1)
/* 'main' PLL config; we use this to generate our system clock via the R
* output. We set it up as 4 MHz / 1 * 40 / 2 = 80 MHz
*
* XXX NOTE:
* currently the main PLL is implicitly turned on and is implicitly
* the system clock; this should be configurable since not all
* applications may want things done this way.
*/
#define STM32L4_PLLCFG_PLLN RCC_PLLCFG_PLLN(40)
#define STM32L4_PLLCFG_PLLP 0
#undef STM32L4_PLLCFG_PLLP_ENABLED
#define STM32L4_PLLCFG_PLLQ RCC_PLLCFG_PLLQ_2
#define STM32L4_PLLCFG_PLLQ_ENABLED
#define STM32L4_PLLCFG_PLLR RCC_PLLCFG_PLLR_2
#define STM32L4_PLLCFG_PLLR_ENABLED
/* 'SAIPLL1' is used to generate the 48 MHz clock, since we can't
* do that with the main PLL's N value. We set N = 12, and enable
* the Q output (ultimately for CLK48) with /4. So,
* 4 MHz / 1 * 24 / 2 = 48 MHz
*
* XXX NOTE: currently the SAIPLL /must/ be explicitly selected in the
* menuconfig, or else all this is a moot point, and the various 48 MHz
* peripherals will not work (RNG at present). I would suggest removing
* that option from Kconfig altogether, and simply making it an option
* that is selected via a #define here, like all these other params.
*/
#define STM32L4_PLLSAI1CFG_PLLN RCC_PLLSAI1CFG_PLLN(24)
#define STM32L4_PLLSAI1CFG_PLLP 0
#undef STM32L4_PLLSAI1CFG_PLLP_ENABLED
#define STM32L4_PLLSAI1CFG_PLLQ RCC_PLLSAI1CFG_PLLQ_2
#define STM32L4_PLLSAI1CFG_PLLQ_ENABLED
#define STM32L4_PLLSAI1CFG_PLLR 0
#undef STM32L4_PLLSAI1CFG_PLLR_ENABLED
/* 'SAIPLL2' is not used in this application */
#define STM32L4_PLLSAI2CFG_PLLN RCC_PLLSAI2CFG_PLLN(8)
#define STM32L4_PLLSAI2CFG_PLLP 0
#undef STM32L4_PLLSAI2CFG_PLLP_ENABLED
#define STM32L4_PLLSAI2CFG_PLLR 0
#undef STM32L4_PLLSAI2CFG_PLLR_ENABLED
#define STM32L4_SYSCLK_FREQUENCY 80000000ul
/* CLK48 will come from PLLSAI1 (implicitly Q) */
#if defined(CONFIG_STM32L4_OTGFS) || defined(STM32L4_SDMMC) || defined(CONFIG_STM32L4_RNG)
# define STM32L4_USE_CLK48 1
# define STM32L4_CLK48_SEL RCC_CCIPR_CLK48SEL_PLLSAI1
# define STM32L4_HSI48_SYNCSRC SYNCSRC_NONE
#endif
/* Enable the LSE oscillator, used automatically trim the MSI, and for RTC */
#define STM32L4_USE_LSE 1
/* AHB clock (HCLK) is SYSCLK (80MHz) */
#define STM32L4_RCC_CFGR_HPRE RCC_CFGR_HPRE_SYSCLK /* HCLK = SYSCLK / 1 */
#define STM32L4_HCLK_FREQUENCY STM32L4_SYSCLK_FREQUENCY
/* APB1 clock (PCLK1) is HCLK/1 (80MHz) */
#define STM32L4_RCC_CFGR_PPRE1 RCC_CFGR_PPRE1_HCLK /* PCLK1 = HCLK / 1 */
#define STM32L4_PCLK1_FREQUENCY (STM32L4_HCLK_FREQUENCY/1)
/* Timers driven from APB1 will be twice PCLK1 */
/* REVISIT : this can be configured */
#define STM32L4_APB1_TIM2_CLKIN (2*STM32L4_PCLK1_FREQUENCY)
#define STM32L4_APB1_TIM3_CLKIN (2*STM32L4_PCLK1_FREQUENCY)
#define STM32L4_APB1_TIM4_CLKIN (2*STM32L4_PCLK1_FREQUENCY)
#define STM32L4_APB1_TIM5_CLKIN (2*STM32L4_PCLK1_FREQUENCY)
#define STM32L4_APB1_TIM6_CLKIN (2*STM32L4_PCLK1_FREQUENCY)
#define STM32L4_APB1_TIM7_CLKIN (2*STM32L4_PCLK1_FREQUENCY)
/* APB2 clock (PCLK2) is HCLK (80MHz) */
#define STM32L4_RCC_CFGR_PPRE2 RCC_CFGR_PPRE2_HCLK /* PCLK2 = HCLK / 1 */
#define STM32L4_PCLK2_FREQUENCY (STM32L4_HCLK_FREQUENCY/1)
/* Timers driven from APB2 will be twice PCLK2 */
/* REVISIT : this can be configured */
#define STM32L4_APB2_TIM1_CLKIN (2*STM32L4_PCLK2_FREQUENCY)
#define STM32L4_APB2_TIM8_CLKIN (2*STM32L4_PCLK2_FREQUENCY)
#define STM32L4_APB2_TIM15_CLKIN (2*STM32L4_PCLK2_FREQUENCY)
#define STM32L4_APB2_TIM16_CLKIN (2*STM32L4_PCLK2_FREQUENCY)
#define STM32L4_APB2_TIM17_CLKIN (2*STM32L4_PCLK2_FREQUENCY)
/* Timer Frequencies, if APBx is set to 1, frequency is same to APBx
* otherwise frequency is 2xAPBx.
* Note: TIM1,8,15,16,17 are on APB2, others on APB1
*/
/* REVISIT : this can be configured */
#endif
/* Timer Frequencies, if APBx is set to 1, frequency is same to APBx
* otherwise frequency is 2xAPBx.
* Note: TIM1,8,15,16,17 are on APB2, others on APB1
*/
#define BOARD_TIM1_FREQUENCY STM32L4_HCLK_FREQUENCY
#define BOARD_TIM2_FREQUENCY (STM32L4_HCLK_FREQUENCY / 2)
#define BOARD_TIM3_FREQUENCY (STM32L4_HCLK_FREQUENCY / 2)
#define BOARD_TIM4_FREQUENCY (STM32L4_HCLK_FREQUENCY / 2)
#define BOARD_TIM5_FREQUENCY (STM32L4_HCLK_FREQUENCY / 2)
#define BOARD_TIM6_FREQUENCY (STM32L4_HCLK_FREQUENCY / 2)
#define BOARD_TIM7_FREQUENCY (STM32L4_HCLK_FREQUENCY / 2)
#define BOARD_TIM8_FREQUENCY STM32L4_HCLK_FREQUENCY
#define BOARD_TIM15_FREQUENCY STM32L4_HCLK_FREQUENCY
#define BOARD_TIM16_FREQUENCY STM32L4_HCLK_FREQUENCY
#define BOARD_TIM17_FREQUENCY STM32L4_HCLK_FREQUENCY
#define BOARD_LPTIM1_FREQUENCY (STM32L4_HCLK_FREQUENCY / 2)
#define BOARD_LPTIM2_FREQUENCY (STM32L4_HCLK_FREQUENCY / 2)
/* SDMMC dividers.
* Note that slower clocking is required when DMA is disabled
* in order to avoid RX overrun/TX underrun errors due to delayed responses
* to service FIFOs in interrupt driven mode. These values have not been
* tuned!!!
*
* SDMMCCLK=48MHz, SDMMC_CK=SDMMCCLK/(118+2)=400 KHz
*/
#define STM32_SDMMC_INIT_CLKDIV (118 << STM32_SDMMC_CLKCR_CLKDIV_SHIFT)
/* DMA ON: SDMMCCLK=48MHz, SDMMC_CK=SDMMCCLK/(1+2)=16 MHz
* DMA OFF: SDMMCCLK=48MHz, SDMMC_CK=SDMMCCLK/(2+2)=12 MHz
*/
#ifdef CONFIG_SDIO_DMA
# define STM32_SDMMC_MMCXFR_CLKDIV (1 << STM32_SDMMC_CLKCR_CLKDIV_SHIFT)
#else
# define STM32_SDMMC_MMCXFR_CLKDIV (2 << STM32_SDMMC_CLKCR_CLKDIV_SHIFT)
#endif
/* DMA ON: SDMMCCLK=48MHz, SDMMC_CK=SDMMCCLK/(1+2)=16 MHz
* DMA OFF: SDMMCCLK=48MHz, SDMMC_CK=SDMMCCLK/(2+2)=12 MHz
*/
#ifdef CONFIG_SDIO_DMA
# define STM32_SDMMC_SDXFR_CLKDIV (1 << STM32_SDMMC_CLKCR_CLKDIV_SHIFT)
#else
# define STM32_SDMMC_SDXFR_CLKDIV (2 << STM32_SDMMC_CLKCR_CLKDIV_SHIFT)
#endif
#if defined(CONFIG_STM32L4_SDMMC2)
# define GPIO_SDMMC2_D0 GPIO_SDMMC2_D0_1
# define GPIO_SDMMC2_D1 GPIO_SDMMC2_D1_1
# define GPIO_SDMMC2_D2 GPIO_SDMMC2_D2_1
# define GPIO_SDMMC2_D3 GPIO_SDMMC2_D3_1
#endif
/* DMA Channel/Stream Selections ********************************************/
/* Stream selections are arbitrary for now but might become important in the
* future if we set aside more DMA channels/streams.
*
* SDMMC DMA is on DMA2
*
* SDMMC1 DMA
* DMAMAP_SDMMC_1 = Channel 4, Stream 7
* DMAMAP_SDMMC_2 = Channel 5, Stream 7
*
* SDMMC2 DMA
* DMAMAP_SDMMC2_1 = Channel 11, Stream 0
* DMAMAP_SDMMC3_2 = Channel 11, Stream 5
*/
#define DMAMAP_SDMMC1 DMACHAN_SDMMC_1
#define DMAMAP_SDMMC2 DMACHAN_SDMMC_2
/* FLASH wait states
*
* --------- ---------- -----------
* VDD MAX SYSCLK WAIT STATES
* --------- ---------- -----------
* 1.7-2.1 V 180 MHz 8
* 2.1-2.4 V 216 MHz 9
* 2.4-2.7 V 216 MHz 8
* 2.7-3.6 V 216 MHz 7
* --------- ---------- -----------
*/
#define BOARD_FLASH_WAITSTATES 7
/* LED definitions **********************************************************/
/* The Nucleo-144 board has numerous LEDs but only three, LD1 a Green LED,
* LD2 a Blue LED and LD3 a Red LED, that can be controlled by software.
* The following definitions assume the default Solder Bridges are installed.
*
* If CONFIG_ARCH_LEDS is not defined, then the user can control the LEDs
* in any way.
* The following definitions are used to access individual LEDs.
*/
/* LED index values for use with board_userled() */
#define BOARD_LED1 0
#define BOARD_LED2 1
#define BOARD_LED3 2
#define BOARD_NLEDS 3
#define BOARD_LED_GREEN BOARD_LED1
#define BOARD_LED_BLUE BOARD_LED2
#define BOARD_LED_RED BOARD_LED3
/* LED bits for use with board_userled_all() */
#define BOARD_LED1_BIT (1 << BOARD_LED1)
#define BOARD_LED2_BIT (1 << BOARD_LED2)
#define BOARD_LED3_BIT (1 << BOARD_LED3)
/* If CONFIG_ARCH_LEDS is defined, the usage by the board port is defined in
* include/board.h and src/stm32_autoleds.c. The LEDs are used to encode
* OS-related events as follows:
*
*
* SYMBOL Meaning LED state
* Red Green Blue
* ---------------------- -------------------------- ------ ------ ----
*/
#define LED_STARTED 0 /* NuttX has been started OFF OFF OFF */
#define LED_HEAPALLOCATE 1 /* Heap has been allocated OFF OFF ON */
#define LED_IRQSENABLED 2 /* Interrupts enabled OFF ON OFF */
#define LED_STACKCREATED 3 /* Idle stack created OFF ON ON */
#define LED_INIRQ 4 /* In an interrupt N/C N/C GLOW */
#define LED_SIGNAL 5 /* In a signal handler N/C GLOW N/C */
#define LED_ASSERTION 6 /* An assertion failed GLOW N/C GLOW */
#define LED_PANIC 7 /* The system has crashed Blink OFF N/C */
#define LED_IDLE 8 /* MCU is is sleep mode ON OFF OFF */
/* Thus if the Green LED is statically on, NuttX has successfully booted and
* is, apparently, running normally. If the Red LED is flashing at
* approximately 2Hz, then a fatal error has been detected and the system
* has halted.
*/
/* Button definitions *******************************************************/
/* The Nucleo-L496ZG supports one button: Pushbutton B1, labeled "User", is
* connected to GPIO PC13.
* A high value will be sensed when the button is depressed.
*/
#define BUTTON_USER 0
#define NUM_BUTTONS 1
#define BUTTON_USER_BIT (1 << BUTTON_USER)
/* Alternate function pin selections ****************************************/
#define GPIO_USART2_TX GPIO_USART2_TX_2
#define GPIO_USART2_RX GPIO_USART2_RX_2
#define GPIO_USART3_TX GPIO_USART3_TX_2
#define GPIO_USART3_RX GPIO_USART3_RX_2
#if defined(CONFIG_NUCLEO_CONSOLE_ARDUINO)
/* USART6:
*
* These configurations assume that you are using a standard Arduino RS-232
* shield with the serial interface with RX on pin D0 and TX on pin D1:
*
* -------- ---------------
* STM32L4
* ARDUINO FUNCTION GPIO
* -- ----- --------- -----
* DO RX USART6_RX PG9
* D1 TX USART6_TX PG14
* -- ----- --------- -----
*/
# define GPIO_USART6_RX GPIO_USART6_RX_2
# define GPIO_USART6_TX GPIO_USART6_TX_2
#endif
/* USART3:
* Use USART3 and the USB virtual COM port
*/
/* LPUART1 is connector to Virtual COM port PG6 and PG7. */
#define GPIO_LPUART1_TX GPIO_LPUART1_TX_3
#define GPIO_LPUART1_RX GPIO_LPUART1_RX_3
/* DMA channels *************************************************************/
/* ADC */
#define ADC1_DMA_CHAN DMACHAN_ADC1_1
#define ADC2_DMA_CHAN DMACHAN_ADC2_2
#define ADC3_DMA_CHAN DMACHAN_ADC3_2
/* SPI
*
*
* PA6 SPI1_MISO CN12-13
* PA7 SPI1_MOSI CN12-15
* PA5 SPI1_SCK CN12-11
*
* PB14 SPI2_MISO CN12-28
* PB15 SPI2_MOSI CN12-26
* PB13 SPI2_SCK CN12-30
*
* PB4 SPI3_MISO CN12-27
* PB5 SPI3_MOSI CN12-29
* PB3 SPI3_SCK CN12-31
*/
#define GPIO_SPI1_MISO GPIO_SPI1_MISO_1
#define GPIO_SPI1_MOSI GPIO_SPI1_MOSI_1
#define GPIO_SPI1_SCK GPIO_SPI1_SCK_1
#define GPIO_SPI2_MISO GPIO_SPI2_MISO_1
#define GPIO_SPI2_MOSI GPIO_SPI2_MOSI_1
#define GPIO_SPI2_SCK GPIO_SPI2_SCK_3
#define GPIO_SPI3_MISO GPIO_SPI3_MISO_1
#define GPIO_SPI3_MOSI GPIO_SPI3_MOSI_2
#define GPIO_SPI3_SCK GPIO_SPI3_SCK_1
/* I2C
*
*
* PB8 I2C1_SCL CN12-3
* PB9 I2C1_SDA CN12-5
* PB10 I2C2_SCL CN11-51
* PB11 I2C2_SDA CN12-18
*
* PA8 I2C3_SCL CN12-23
* PC9 I2C3_SDA CN12-1
*
*/
#define GPIO_I2C1_SCL GPIO_I2C1_SCL_2
#define GPIO_I2C1_SDA GPIO_I2C1_SDA_2
#define GPIO_I2C2_SCL GPIO_I2C2_SCL_1
#define GPIO_I2C2_SDA GPIO_I2C2_SDA_1
#define GPIO_I2C3_SCL GPIO_I2C3_SCL_1
#define GPIO_I2C3_SDA GPIO_I2C3_SDA_1
#define GPIO_I2C4_SCL GPIO_I2C4_SCL_1
#define GPIO_I2C4_SDA GPIO_I2C4_SDA_1
/****************************************************************************
* Public Data
****************************************************************************/
#ifndef __ASSEMBLY__
#undef EXTERN
#if defined(__cplusplus)
#define EXTERN extern "C"
extern "C"
{
#else
#define EXTERN extern
#endif
/****************************************************************************
* Public Function Prototypes
****************************************************************************/
/****************************************************************************
* Name: stm32l4_board_initialize
*
* Description:
* All STM32 architectures must provide the following entry point. This
* entry point is called early in the initialization -- after all memory
* has been configured and mapped but before any devices have been
* initialized.
*
****************************************************************************/
void stm32l4_board_initialize(void);
#undef EXTERN
#if defined(__cplusplus)
}
#endif
#endif /* __ASSEMBLY__ */
#endif /* __BOARDS_ARM_STM32L4_NUCLEO_L496ZG_INCLUDE_BOARD_H */
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