/* * Copyright (C) 2014 Freie Universität Berlin * * 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_msbiot * @{ * * @file * @name Peripheral MCU configuration for the MSB-IoT board * * @author Fabian Nack */ #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: 168MHz */ #define CLOCK_CORECLOCK (168000000U) /* 0: no external high speed crystal available * else: actual crystal frequency [in Hz] */ #define CLOCK_HSE (16000000U) /* 0: no external low speed crystal available, * 1: external crystal available (always 32.768kHz) */ #define CLOCK_LSE (0) /* 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 42MHz */ #define CLOCK_APB1 (CLOCK_CORECLOCK / 4) #define CLOCK_APB2_DIV RCC_CFGR_PPRE2_DIV2 /* max 84MHz */ #define CLOCK_APB2 (CLOCK_CORECLOCK / 2) /* Main PLL factors */ #define CLOCK_PLL_M (8) #define CLOCK_PLL_N (168) #define CLOCK_PLL_P (2) #define CLOCK_PLL_Q (7) /** @} */ /** * @name Timer configuration * @{ */ static const timer_conf_t timer_config[] = { { .dev = TIM2, .max = 0xffffffff, .rcc_mask = RCC_APB1ENR_TIM2EN, .bus = APB1, .irqn = TIM2_IRQn }, { .dev = TIM5, .max = 0xffffffff, .rcc_mask = RCC_APB1ENR_TIM5EN, .bus = APB1, .irqn = TIM5_IRQn } }; #define TIMER_0_ISR isr_tim2 #define TIMER_1_ISR isr_tim5 #define TIMER_NUMOF (sizeof(timer_config) / sizeof(timer_config[0])) /** @} */ /** * @name PWM configuration * @{ */ static const pwm_conf_t pwm_config[] = { { .dev = TIM11, .rcc_mask = RCC_APB2ENR_TIM11EN, .chan = { { .pin = GPIO_PIN(PORT_B, 9), .cc_chan = 0 }, { .pin = GPIO_UNDEF, .cc_chan = 0 }, { .pin = GPIO_UNDEF, .cc_chan = 0 }, { .pin = GPIO_UNDEF, .cc_chan = 0 } }, .af = GPIO_AF3, .bus = APB2 } }; #define PWM_NUMOF (sizeof(pwm_config) / sizeof(pwm_config[0])) /** @} */ /** * @name ADC configuration * * We need to define the following fields: * PIN, device (ADCx), channel * @{ */ #define ADC_CONFIG { \ {GPIO_PIN(PORT_B, 0), 0, 8}, \ {GPIO_PIN(PORT_B, 1), 0, 9} \ } #define ADC_NUMOF (2) /** @} */ /** * @name DAC configuration * @{ */ static const dac_conf_t dac_config[] = { { .pin = GPIO_PIN(PORT_A, 4), .chan = 0 }, { .pin = GPIO_PIN(PORT_A, 5), .chan = 1 } }; #define DAC_NUMOF (sizeof(dac_config) / sizeof(dac_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 = 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 = 15, .dma_chan = 4 #endif }, { .dev = USART3, .rcc_mask = RCC_APB1ENR_USART3EN, .rx_pin = GPIO_PIN(PORT_D, 9), .tx_pin = GPIO_PIN(PORT_D, 8), .rx_af = GPIO_AF7, .tx_af = GPIO_AF7, .bus = APB1, .irqn = USART3_IRQn, #ifdef UART_USE_DMA .dma_stream = 3, .dma_chan = 4 #endif }, }; /* assign ISR vector names */ #define UART_0_ISR (isr_usart2) #define UART_0_DMA_ISR (isr_dma1_stream6) #define UART_1_ISR (isr_usart1) #define UART_1_DMA_ISR (isr_dma2_stream7) #define UART_2_ISR (isr_usart3) #define UART_2_DMA_ISR (isr_dma1_stream3) /* deduct number of defined UART interfaces */ #define UART_NUMOF (sizeof(uart_config) / sizeof(uart_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 @ 42000000Hz */ 7, /* -> 164062Hz */ 6, /* -> 328125Hz */ 4, /* -> 1312500Hz */ 2, /* -> 5250000Hz */ 1 /* -> 10500000Hz */ }, { /* for APB2 @ 84000000Hz */ 7, /* -> 328125Hz */ 7, /* -> 328125Hz */ 5, /* -> 1312500Hz */ 3, /* -> 5250000Hz */ 2 /* -> 10500000Hz */ } }; 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 } }; #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 6 #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 7 #define I2C_0_SDA_AF 4 #define I2C_0_SDA_CLKEN() (periph_clk_en(AHB1, RCC_AHB1ENR_GPIOBEN)) #ifdef __cplusplus } #endif #endif /* PERIPH_CONF_H */ /** @} */