#define MICROPY_HW_BOARD_NAME "B-L475E-IOT01A" #define MICROPY_HW_MCU_NAME "STM32L475" #define MICROPY_HW_HAS_SWITCH (1) #define MICROPY_HW_ENABLE_RNG (1) #define MICROPY_HW_ENABLE_RTC (1) #define MICROPY_HW_ENABLE_USB (1) // MSI is used and is 4MHz #define MICROPY_HW_CLK_PLLM (1) #define MICROPY_HW_CLK_PLLN (40) #define MICROPY_HW_CLK_PLLP (RCC_PLLP_DIV7) #define MICROPY_HW_CLK_PLLR (RCC_PLLR_DIV2) #define MICROPY_HW_CLK_PLLQ (RCC_PLLQ_DIV4) #define MICROPY_HW_FLASH_LATENCY FLASH_LATENCY_4 // The board has an external 32kHz crystal #define MICROPY_HW_RTC_USE_LSE (1) // USART1 config connected to ST-Link #define MICROPY_HW_UART1_TX (pin_B6) #define MICROPY_HW_UART1_RX (pin_B7) // USART2 config connected to PMOD: Flow control is defined and therfore used #define MICROPY_HW_UART2_CTS (pin_D3) #define MICROPY_HW_UART2_RTS (pin_D4) #define MICROPY_HW_UART2_TX (pin_D5) #define MICROPY_HW_UART2_RX (pin_D6) // USART3 config for internal use #define MICROPY_HW_UART3_TX (pin_D8) #define MICROPY_HW_UART3_RX (pin_D9) // USART4 config #define MICROPY_HW_UART4_TX (pin_A0) #define MICROPY_HW_UART4_RX (pin_A1) // USART 1 is connected to the virtual com port on the ST-LINK #define MICROPY_HW_UART_REPL PYB_UART_1 #define MICROPY_HW_UART_REPL_BAUD 115200 // I2C buses #define MICROPY_HW_I2C1_SCL (pin_B8) #define MICROPY_HW_I2C1_SDA (pin_B9) #define MICROPY_HW_I2C2_SCL (pin_B10) #define MICROPY_HW_I2C2_SDA (pin_B11) // SPI buses #define MICROPY_HW_SPI1_NSS (pin_A4) #define MICROPY_HW_SPI1_SCK (pin_A5) #define MICROPY_HW_SPI1_MISO (pin_A6) #define MICROPY_HW_SPI1_MOSI (pin_A7) #define MICROPY_HW_SPI2_NSS (pin_D0) #define MICROPY_HW_SPI2_SCK (pin_D1) #define MICROPY_HW_SPI2_MISO (pin_D3) #define MICROPY_HW_SPI2_MOSI (pin_D4) #define MICROPY_HW_SPI3_NSS (pin_A15) #define MICROPY_HW_SPI3_SCK (pin_C10) #define MICROPY_HW_SPI3_MISO (pin_C11) #define MICROPY_HW_SPI3_MOSI (pin_C12) // User and wake-up switch. Pressing the button makes the input go low. #define MICROPY_HW_USRSW_PIN (pin_C13) #define MICROPY_HW_USRSW_PULL (GPIO_NOPULL) #define MICROPY_HW_USRSW_EXTI_MODE (GPIO_MODE_IT_FALLING) #define MICROPY_HW_USRSW_PRESSED (0) // LEDs #define MICROPY_HW_LED1 (pin_A5) // green #define MICROPY_HW_LED2 (pin_B14) // green #define MICROPY_HW_LED_ON(pin) (mp_hal_pin_high(pin)) #define MICROPY_HW_LED_OFF(pin) (mp_hal_pin_low(pin)) // USB config #define MICROPY_HW_USB_FS (1)