/* * Copyright (C) 2017 Freie Universität Berlin * 2017 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-l073 * @{ * * @file * @brief Peripheral MCU configuration for the nucleo-l073 board * * @author Hauke Petersen * @author Alexandre Abadie */ #ifndef PERIPH_CONF_H #define PERIPH_CONF_H #include "periph_cpu.h" #ifdef __cplusplus extern "C" { #endif /** * @name Clock system configuration * @{ */ #define CLOCK_HSI (16000000U) /* internal oscillator */ #define CLOCK_CORECLOCK (32000000U) /* desired core clock frequency */ /* configuration of PLL prescaler and multiply values */ /* CORECLOCK := HSI / CLOCK_PLL_DIV * CLOCK_PLL_MUL */ #define CLOCK_PLL_DIV RCC_CFGR_PLLDIV2 #define CLOCK_PLL_MUL RCC_CFGR_PLLMUL4 /* configuration of peripheral bus clock prescalers */ #define CLOCK_AHB_DIV RCC_CFGR_HPRE_DIV1 /* AHB clock -> 32MHz */ #define CLOCK_APB2_DIV RCC_CFGR_PPRE2_DIV1 /* APB2 clock -> 32MHz */ #define CLOCK_APB1_DIV RCC_CFGR_PPRE1_DIV1 /* APB1 clock -> 32MHz */ /* configuration of flash access cycles */ #define CLOCK_FLASH_LATENCY FLASH_ACR_LATENCY /* bus clocks for simplified peripheral initialization, UPDATE MANUALLY! */ #define CLOCK_AHB (CLOCK_CORECLOCK / 1) #define CLOCK_APB2 (CLOCK_CORECLOCK / 1) #define CLOCK_APB1 (CLOCK_CORECLOCK / 1) /** @} */ /** * @name Timer configuration * @{ */ static const timer_conf_t timer_config[] = { { .dev = TIM2, .max = 0x0000ffff, .rcc_mask = RCC_APB1ENR_TIM2EN, .bus = APB1, .irqn = TIM2_IRQn } }; #define TIMER_0_ISR isr_tim2 #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_AF4, .tx_af = GPIO_AF4, .bus = APB1, .irqn = USART2_IRQn }, { .dev = USART1, .rcc_mask = RCC_APB2ENR_USART1EN, .rx_pin = GPIO_PIN(PORT_A, 10), .tx_pin = GPIO_PIN(PORT_A, 9), .rx_af = GPIO_AF4, .tx_af = GPIO_AF4, .bus = APB2, .irqn = USART1_IRQn }, { .dev = USART4, .rcc_mask = RCC_APB1ENR_USART4EN, .rx_pin = GPIO_PIN(PORT_C, 11), .tx_pin = GPIO_PIN(PORT_C, 10), .rx_af = GPIO_AF6, .tx_af = GPIO_AF6, .bus = APB1, .irqn = USART4_5_IRQn }, }; #define UART_0_ISR (isr_usart2) #define UART_1_ISR (isr_usart1) #define UART_2_ISR (isr_usart4_5) #define UART_NUMOF (sizeof(uart_config) / sizeof(uart_config[0])) /** @} */ /** * @name PWM configuration * @{ */ static const pwm_conf_t pwm_config[] = { { .dev = TIM3, .rcc_mask = RCC_APB1ENR_TIM3EN, .chan = { { .pin = GPIO_PIN(PORT_B, 4) /* D5 */, .cc_chan = 0 }, { .pin = GPIO_PIN(PORT_C, 7) /* D9 */, .cc_chan = 1 }, { .pin = GPIO_PIN(PORT_C, 8) , .cc_chan = 2 }, { .pin = GPIO_UNDEF, .cc_chan = 0 } }, .af = GPIO_AF2, .bus = APB1 } }; #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 @ 32000000Hz */ 7, /* -> 125000Hz */ 5, /* -> 500000Hz */ 4, /* -> 1000000Hz */ 2, /* -> 4000000Hz */ 1 /* -> 8000000Hz */ }, { /* for APB2 @ 32000000Hz */ 7, /* -> 125000Hz */ 5, /* -> 500000Hz */ 4, /* -> 1000000Hz */ 2, /* -> 4000000Hz */ 1 /* -> 8000000Hz */ } }; 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_UNDEF, .af = GPIO_AF0, .rccmask = RCC_APB2ENR_SPI1EN, .apbbus = APB2 } }; #define SPI_NUMOF (sizeof(spi_config) / sizeof(spi_config[0])) /** @} */ /** * @name ADC configuration * @{ */ #define ADC_NUMOF (0) /** @} */ /** * @name I2C configuration * @{ */ #define I2C_0_EN 1 #define I2C_1_EN 1 #define I2C_NUMOF (I2C_0_EN + I2C_1_EN) #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_IRQn #define I2C_0_EVT_ISR isr_i2c1 /* I2C 0 pin configuration */ #define I2C_0_SCL_PORT PORT_B #define I2C_0_SCL_PIN 8 #define I2C_0_SCL_AF 4 #define I2C_0_SCL_CLKEN() (periph_clk_en(AHB, RCC_IOPENR_GPIOBEN)) #define I2C_0_SDA_PORT PORT_B #define I2C_0_SDA_PIN 9 #define I2C_0_SDA_AF 4 #define I2C_0_SDA_CLKEN() (periph_clk_en(AHB, RCC_IOPENR_GPIOBEN)) /* I2C 1 device configuration */ #define I2C_1_DEV I2C2 #define I2C_1_CLKEN() (periph_clk_en(APB1, RCC_APB1ENR_I2C2EN)) #define I2C_1_CLKDIS() (periph_clk_dis(APB1, RCC_APB1ENR_I2C2EN)) #define I2C_1_EVT_IRQ I2C2_IRQn #define I2C_1_EVT_ISR isr_i2c2 /* I2C 1 pin configuration */ #define I2C_1_SCL_PORT PORT_B #define I2C_1_SCL_PIN 13 #define I2C_1_SCL_AF 5 #define I2C_1_SCL_CLKEN() (periph_clk_en(AHB, RCC_IOPENR_GPIOBEN)) #define I2C_1_SDA_PORT PORT_B #define I2C_1_SDA_PIN 14 #define I2C_1_SDA_AF 5 #define I2C_1_SDA_CLKEN() (periph_clk_en(AHB, RCC_IOPENR_GPIOBEN)) /** @} */ /** * @name RTC configuration * @{ */ #define RTC_NUMOF (1U) /** @} */ #ifdef __cplusplus } #endif #endif /* PERIPH_CONF_H */ /** @} */