/* * Copyright (C) 2016 Inria * * This file is subject to the terms and conditions of the GNU Lesser * General Public License v2.1. See the file LICENSE in the top level * directory for more details. */ /** * @ingroup boards_nucleo-f446 * @{ * * @file * @name Peripheral MCU configuration for the nucleo-f446 board * * @author Alexandre Abadie */ #ifndef PERIPH_CONF_H #define PERIPH_CONF_H #include "periph_cpu.h" #ifdef __cplusplus extern "C" { #endif /** * @name Clock settings * * @note This is auto-generated from * `cpu/stm32_common/dist/clk_conf/clk_conf.c` * @{ */ /* give the target core clock (HCLK) frequency [in Hz], * maximum: 180MHz */ #define CLOCK_CORECLOCK (180000000U) /* 0: no external high speed crystal available * else: actual crystal frequency [in Hz] */ #define CLOCK_HSE (8000000U) /* 0: no external low speed crystal available, * 1: external crystal available (always 32.768kHz) */ #define CLOCK_LSE (1) /* peripheral clock setup */ #define CLOCK_AHB_DIV RCC_CFGR_HPRE_DIV1 #define CLOCK_AHB (CLOCK_CORECLOCK / 1) #define CLOCK_APB1_DIV RCC_CFGR_PPRE1_DIV4 /* max 45MHz */ #define CLOCK_APB1 (CLOCK_CORECLOCK / 4) #define CLOCK_APB2_DIV RCC_CFGR_PPRE2_DIV2 /* max 90MHz */ #define CLOCK_APB2 (CLOCK_CORECLOCK / 2) /* Main PLL factors */ #define CLOCK_PLL_M (4) #define CLOCK_PLL_N (180) #define CLOCK_PLL_P (2) #define CLOCK_PLL_Q (0) /* PLL SAI configuration */ #define CLOCK_ENABLE_PLL_SAI (1) #define CLOCK_PLL_SAI_M (4) #define CLOCK_PLL_SAI_N (192) #define CLOCK_PLL_SAI_P (8) #define CLOCK_PLL_SAI_Q (0) /* Use alternative source for 48MHz clock */ #define CLOCK_USE_ALT_48MHZ (1) /** @} */ /** * @name Timer configuration * @{ */ static const timer_conf_t timer_config[] = { { .dev = TIM5, .max = 0xffffffff, .rcc_mask = RCC_APB1ENR_TIM5EN, .bus = APB1, .irqn = TIM5_IRQn } }; #define TIMER_0_ISR isr_tim5 #define TIMER_NUMOF (sizeof(timer_config) / sizeof(timer_config[0])) /** @} */ /** * @name UART configuration * @{ */ static const uart_conf_t uart_config[] = { { .dev = USART2, .rcc_mask = RCC_APB1ENR_USART2EN, .rx_pin = GPIO_PIN(PORT_A, 3), .tx_pin = GPIO_PIN(PORT_A, 2), .rx_af = GPIO_AF7, .tx_af = GPIO_AF7, .bus = APB1, .irqn = USART2_IRQn, #ifdef UART_USE_DMA .dma_stream = 6, .dma_chan = 4 #endif }, { .dev = USART3, .rcc_mask = RCC_APB1ENR_USART3EN, .rx_pin = GPIO_PIN(PORT_C, 11), .tx_pin = GPIO_PIN(PORT_C, 10), .rx_af = GPIO_AF7, .tx_af = GPIO_AF7, .bus = APB1, .irqn = USART3_IRQn, #ifdef UART_USE_DMA .dma_stream = 5, .dma_chan = 4 #endif }, { .dev = USART1, .rcc_mask = RCC_APB2ENR_USART1EN, .rx_pin = GPIO_PIN(PORT_A, 10), .tx_pin = GPIO_PIN(PORT_A, 9), .rx_af = GPIO_AF7, .tx_af = GPIO_AF7, .bus = APB2, .irqn = USART1_IRQn, #ifdef UART_USE_DMA .dma_stream = 4, .dma_chan = 4 #endif }, }; #define UART_0_ISR (isr_usart2) #define UART_0_DMA_ISR (isr_dma1_stream6) #define UART_1_ISR (isr_usart3) #define UART_1_DMA_ISR (isr_dma1_stream5) #define UART_2_ISR (isr_usart1) #define UART_2_DMA_ISR (isr_dma1_stream4) #define UART_NUMOF (sizeof(uart_config) / sizeof(uart_config[0])) /** @} */ /** * @name PWM configuration * @{ */ static const pwm_conf_t pwm_config[] = { { .dev = TIM2, .rcc_mask = RCC_APB1ENR_TIM2EN, .chan = { { .pin = GPIO_PIN(PORT_A, 15), .cc_chan = 0}, { .pin = GPIO_PIN(PORT_B, 3), .cc_chan = 1}, { .pin = GPIO_PIN(PORT_B, 10), .cc_chan = 2}, { .pin = GPIO_PIN(PORT_B, 2), .cc_chan = 3} }, .af = GPIO_AF1, .bus = APB1 }, { .dev = TIM3, .rcc_mask = RCC_APB1ENR_TIM3EN, .chan = { { .pin = GPIO_PIN(PORT_B, 4), .cc_chan = 0 }, { .pin = GPIO_UNDEF, .cc_chan = 0 }, { .pin = GPIO_UNDEF, .cc_chan = 0 }, { .pin = GPIO_UNDEF, .cc_chan = 0 } }, .af = GPIO_AF2, .bus = APB1 }, { .dev = TIM8, .rcc_mask = RCC_APB2ENR_TIM8EN, .chan = { { .pin = GPIO_PIN(PORT_C, 6), .cc_chan = 0}, { .pin = GPIO_PIN(PORT_C, 7), .cc_chan = 1}, { .pin = GPIO_PIN(PORT_C, 8), .cc_chan = 2}, { .pin = GPIO_PIN(PORT_C, 9), .cc_chan = 3} }, .af = GPIO_AF3, .bus = APB2 }, }; #define PWM_NUMOF (sizeof(pwm_config) / sizeof(pwm_config[0])) /** @} */ /** * @name SPI configuration * * @note The spi_divtable is auto-generated from * `cpu/stm32_common/dist/spi_divtable/spi_divtable.c` * @{ */ static const uint8_t spi_divtable[2][5] = { { /* for APB1 @ 90000000Hz */ 7, /* -> 351562Hz */ 7, /* -> 351562Hz */ 6, /* -> 703125Hz */ 3, /* -> 5625000Hz */ 2 /* -> 11250000Hz */ }, { /* for APB2 @ 180000000Hz */ 7, /* -> 703125Hz */ 7, /* -> 703125Hz */ 7, /* -> 703125Hz */ 4, /* -> 5625000Hz */ 3 /* -> 11250000Hz */ } }; static const spi_conf_t spi_config[] = { { .dev = SPI1, .mosi_pin = GPIO_PIN(PORT_A, 7), .miso_pin = GPIO_PIN(PORT_A, 6), .sclk_pin = GPIO_PIN(PORT_A, 5), .cs_pin = GPIO_PIN(PORT_A, 4), .af = GPIO_AF5, .rccmask = RCC_APB2ENR_SPI1EN, .apbbus = APB2 }, { .dev = SPI2, .mosi_pin = GPIO_PIN(PORT_B, 15), .miso_pin = GPIO_PIN(PORT_B, 14), .sclk_pin = GPIO_PIN(PORT_B, 13), .cs_pin = GPIO_PIN(PORT_B, 12), .af = GPIO_AF5, .rccmask = RCC_APB1ENR_SPI2EN, .apbbus = APB1 }, { .dev = SPI3, .mosi_pin = GPIO_PIN(PORT_C, 12), .miso_pin = GPIO_PIN(PORT_C, 11), .sclk_pin = GPIO_PIN(PORT_C, 10), .cs_pin = GPIO_UNDEF, .af = GPIO_AF6, .rccmask = RCC_APB1ENR_SPI3EN, .apbbus = APB1 } }; #define SPI_NUMOF (sizeof(spi_config) / sizeof(spi_config[0])) /** @} */ /** * @name I2C configuration * @{ */ #define I2C_NUMOF (1U) #define I2C_0_EN 1 #define I2C_IRQ_PRIO 1 #define I2C_APBCLK (CLOCK_APB1) /* I2C 0 device configuration */ #define I2C_0_DEV I2C1 #define I2C_0_CLKEN() (periph_clk_en(APB1, RCC_APB1ENR_I2C1EN)) #define I2C_0_CLKDIS() (periph_clk_dis(APB1, RCC_APB1ENR_I2C1EN)) #define I2C_0_EVT_IRQ I2C1_EV_IRQn #define I2C_0_EVT_ISR isr_i2c1_ev #define I2C_0_ERR_IRQ I2C1_ER_IRQn #define I2C_0_ERR_ISR isr_i2c1_er /* I2C 0 pin configuration */ #define I2C_0_SCL_PORT GPIOB #define I2C_0_SCL_PIN 8 #define I2C_0_SCL_AF 4 #define I2C_0_SCL_CLKEN() (periph_clk_en(AHB1, RCC_AHB1ENR_GPIOBEN)) #define I2C_0_SDA_PORT GPIOB #define I2C_0_SDA_PIN 9 #define I2C_0_SDA_AF 4 #define I2C_0_SDA_CLKEN() (periph_clk_en(AHB1, RCC_AHB1ENR_GPIOBEN)) /** @} */ /** * @name ADC configuration * * Note that we do not configure all ADC channels, * and not in the STM32F446 order. Instead, we * just define 6 ADC channels, for the Nucleo * Arduino header pins A0-A5 * * @{ */ #define ADC_NUMOF (6U) #define ADC_CONFIG { \ {GPIO_PIN(PORT_A, 0), 0, 0}, \ {GPIO_PIN(PORT_A, 1), 0, 1}, \ {GPIO_PIN(PORT_A, 4), 0, 4}, \ {GPIO_PIN(PORT_B, 0), 0, 8}, \ {GPIO_PIN(PORT_C, 1), 0, 11}, \ {GPIO_PIN(PORT_C, 0), 0, 10}, \ } /** @} */ #ifdef __cplusplus } #endif #endif /* PERIPH_CONF_H */ /** @} */