/************************************************************************************ * configs/stm32f103-minimum/include/board.h * * Copyright (C) 2016 Gregory Nutt. All rights reserved. * Authors: Gregory Nutt * Laurent Latil * * 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 __CONFIGS_STM32F103_MINIMUM_BOARD_H #define __CONFIGS_STM32F103_MINIMUM_BOARD_H /************************************************************************************ * Included Files ************************************************************************************/ #include #ifndef __ASSEMBLY__ # include #endif #ifdef __KERNEL__ # include "stm32_rcc.h" # include "stm32_sdio.h" # include "stm32.h" #endif /************************************************************************************ * Pre-processor Definitions ************************************************************************************/ /* Clocking *************************************************************************/ /* On-board crystal frequency is 8MHz (HSE) */ #define STM32_BOARD_XTAL 8000000ul /* PLL source is HSE/1, PLL multipler is 9: PLL frequency is 8MHz (XTAL) x 9 = 72MHz */ #define STM32_CFGR_PLLSRC RCC_CFGR_PLLSRC #define STM32_CFGR_PLLXTPRE 0 #define STM32_CFGR_PLLMUL RCC_CFGR_PLLMUL_CLKx9 #define STM32_PLL_FREQUENCY (9*STM32_BOARD_XTAL) /* Use the PLL and set the SYSCLK source to be the PLL */ #define STM32_SYSCLK_SW RCC_CFGR_SW_PLL #define STM32_SYSCLK_SWS RCC_CFGR_SWS_PLL #define STM32_SYSCLK_FREQUENCY STM32_PLL_FREQUENCY /* AHB clock (HCLK) is SYSCLK (72MHz) */ #define STM32_RCC_CFGR_HPRE RCC_CFGR_HPRE_SYSCLK #define STM32_HCLK_FREQUENCY STM32_PLL_FREQUENCY #define STM32_BOARD_HCLK STM32_HCLK_FREQUENCY /* same as above, to satisfy compiler */ /* APB2 clock (PCLK2) is HCLK (72MHz) */ #define STM32_RCC_CFGR_PPRE2 RCC_CFGR_PPRE2_HCLK #define STM32_PCLK2_FREQUENCY STM32_HCLK_FREQUENCY /* APB2 timers 1 and 8 will receive PCLK2. */ #define STM32_APB2_TIM1_CLKIN (STM32_PCLK2_FREQUENCY) #define STM32_APB2_TIM8_CLKIN (STM32_PCLK2_FREQUENCY) /* APB1 clock (PCLK1) is HCLK/2 (36MHz) */ #define STM32_RCC_CFGR_PPRE1 RCC_CFGR_PPRE1_HCLKd2 #define STM32_PCLK1_FREQUENCY (STM32_HCLK_FREQUENCY/2) /* APB1 timers 2-7 will be twice PCLK1 */ #define STM32_APB1_TIM2_CLKIN (2*STM32_PCLK1_FREQUENCY) #define STM32_APB1_TIM3_CLKIN (2*STM32_PCLK1_FREQUENCY) #define STM32_APB1_TIM4_CLKIN (2*STM32_PCLK1_FREQUENCY) #define STM32_APB1_TIM5_CLKIN (2*STM32_PCLK1_FREQUENCY) #define STM32_APB1_TIM6_CLKIN (2*STM32_PCLK1_FREQUENCY) #define STM32_APB1_TIM7_CLKIN (2*STM32_PCLK1_FREQUENCY) /* USB divider -- Divide PLL clock by 1.5 */ #define STM32_CFGR_USBPRE 0 /* Timer Frequencies, if APBx is set to 1, frequency is same to APBx * otherwise frequency is 2xAPBx. * Note: TIM1,8 are on APB2, others on APB1 */ #define BOARD_TIM1_FREQUENCY STM32_HCLK_FREQUENCY #define BOARD_TIM2_FREQUENCY STM32_PCLK1_FREQUENCY #define BOARD_TIM3_FREQUENCY STM32_PCLK1_FREQUENCY #define BOARD_TIM4_FREQUENCY STM32_PCLK1_FREQUENCY #define BOARD_TIM5_FREQUENCY STM32_PCLK1_FREQUENCY #define BOARD_TIM6_FREQUENCY STM32_PCLK1_FREQUENCY #define BOARD_TIM7_FREQUENCY STM32_PCLK1_FREQUENCY #define BOARD_TIM8_FREQUENCY STM32_HCLK_FREQUENCY /* SDIO 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!!! * * HCLK=72MHz, SDIOCLK=72MHz, SDIO_CK=HCLK/(178+2)=400 KHz */ #define SDIO_INIT_CLKDIV (178 << SDIO_CLKCR_CLKDIV_SHIFT) /* DMA ON: HCLK=72 MHz, SDIOCLK=72MHz, SDIO_CK=HCLK/(2+2)=18 MHz * DMA OFF: HCLK=72 MHz, SDIOCLK=72MHz, SDIO_CK=HCLK/(3+2)=14.4 MHz */ #ifdef CONFIG_SDIO_DMA # define SDIO_MMCXFR_CLKDIV (2 << SDIO_CLKCR_CLKDIV_SHIFT) #else # define SDIO_MMCXFR_CLKDIV (3 << SDIO_CLKCR_CLKDIV_SHIFT) #endif /* DMA ON: HCLK=72 MHz, SDIOCLK=72MHz, SDIO_CK=HCLK/(1+2)=24 MHz * DMA OFF: HCLK=72 MHz, SDIOCLK=72MHz, SDIO_CK=HCLK/(3+2)=14.4 MHz */ #ifdef CONFIG_SDIO_DMA # define SDIO_SDXFR_CLKDIV (1 << SDIO_CLKCR_CLKDIV_SHIFT) #else # define SDIO_SDXFR_CLKDIV (3 << SDIO_CLKCR_CLKDIV_SHIFT) #endif /* BUTTON definitions ***************************************************************/ #define NUM_BUTTONS 2 #define BUTTON_USER1 0 #define BUTTON_USER2 1 #define BUTTON_USER1_BIT (1 << BUTTON_USER1) #define BUTTON_USER2_BIT (1 << BUTTON_USER2) /* LED definitions ******************************************************************/ /* Define how many LEDs this board has (needed by userleds) */ #define BOARD_NLEDS 1 /* The board has only one controllable LED */ #define LED_STARTED 0 /* No LEDs */ #define LED_HEAPALLOCATE 1 /* LED1 on */ #define LED_IRQSENABLED 2 /* LED2 on */ #define LED_STACKCREATED 3 /* LED1 on */ #define LED_INIRQ 4 /* LED1 off */ #define LED_SIGNAL 5 /* LED2 on */ #define LED_ASSERTION 6 /* LED1 + LED2 */ #define LED_PANIC 7 /* LED1 / LED2 blinking */ /* PWM * * The STM32F103-Minimum has no real on-board PWM devices, but the board can * be configured to output a pulse train using TIM3 CH3 on PB0. * * Note: we don't need redefine GPIO_TIM3_CH3OUT because PB0 is not remap pin. */ /* RGB LED * * R = TIM1 CH1 on PA8 | G = TIM2 CH2 on PA1 | B = TIM4 CH4 on PB9 * * Note: Pin configs: GPIO_TIM1_CH1OUT ; GPIO_TIM2_CH2OUT ; GPIO_TIM4_CH4OUT */ #define RGBLED_RPWMTIMER 1 #define RGBLED_RPWMCHANNEL 1 #define RGBLED_GPWMTIMER 2 #define RGBLED_GPWMCHANNEL 2 #define RGBLED_BPWMTIMER 4 #define RGBLED_BPWMCHANNEL 4 #endif /* __CONFIGS_STM32F103_MINIMUM_BOARD_H */