#define MICROPY_HW_BOARD_NAME "NUCLEO_G474RE" #define MICROPY_HW_MCU_NAME "STM32G474" #define MICROPY_HW_ENABLE_RTC (1) #define MICROPY_HW_ENABLE_RNG (1) #define MICROPY_HW_ENABLE_ADC (1) #define MICROPY_HW_ENABLE_DAC (1) // A4, A5 #define MICROPY_HW_ENABLE_USB (0) // can be enabled if USB cable connected to PA11/PA12 (D-/D+) #define MICROPY_HW_HAS_SWITCH (1) #define MICROPY_HW_HAS_FLASH (0) // QSPI extflash not mounted #define MICROPY_PY_UASYNCIO (0) #define MICROPY_PY_ZLIB (0) #define MICROPY_PY_BINASCII (0) #define MICROPY_PY_HASHLIB (0) #define MICROPY_PY_JSON (0) #define MICROPY_PY_RE (0) #define MICROPY_PY_FRAMEBUF (0) #define MICROPY_PY_SOCKET (0) #define MICROPY_PY_NETWORK (0) // The board has an 24MHz HSE, the following gives 170MHz CPU speed #define MICROPY_HW_CLK_PLLM (6) #define MICROPY_HW_CLK_PLLN (85) #define MICROPY_HW_CLK_PLLP (2) #define MICROPY_HW_CLK_PLLQ (8) #define MICROPY_HW_CLK_PLLR (2) #define MICROPY_HW_CLK_USE_HSI48 (1) // for RNG // 4 wait states #define MICROPY_HW_FLASH_LATENCY FLASH_LATENCY_8 // UART config #define MICROPY_HW_LPUART1_TX (pin_A2) // A2 (to STLINK), B11, C1 #define MICROPY_HW_LPUART1_RX (pin_A3) // A3 (to STLINK), B10, C0 #define MICROPY_HW_UART1_TX (pin_C4) // A9, B6, C4, E0 #define MICROPY_HW_UART1_RX (pin_C5) // A10, B7, C5, E1 // #define MICROPY_HW_UART2_TX (pin_A2) // A14, B3, D5 // #define MICROPY_HW_UART2_RX (pin_A3) // A15, B4, D6 // #define MICROPY_HW_UART2_RTS (pin_A1) // D4 // #define MICROPY_HW_UART2_CTS (pin_A0) // D3 #define MICROPY_HW_UART3_TX (pin_B10) // B9, B10, C10, D8 #define MICROPY_HW_UART3_RX (pin_B11) // B8 = boot0, B11, C11, D9, E15 // #define MICROPY_HW_UART3_RTS (pin_B14) // D12, F6 // #define MICROPY_HW_UART3_CTS (pin_B13) // A13, D11 // #define MICROPY_HW_UART4_TX (pin_) // C10 // #define MICROPY_HW_UART4_RX (pin_) // C11 #define MICROPY_HW_UART_REPL (PYB_LPUART_1) // default on Nucleo G474 #define MICROPY_HW_UART_REPL_BAUD (115200) // I2C buses #define MICROPY_HW_I2C1_SCL (pin_B8) // A13, A15, B8 (=boot0) #define MICROPY_HW_I2C1_SDA (pin_B9) // A14, B7, B9 // #define MICROPY_HW_I2C2_SCL (pin_) // A9, C4 // #define MICROPY_HW_I2C2_SDA (pin_) // A8, F0 // #define MICROPY_HW_I2C3_SCL (pin_) // A8, C8 // #define MICROPY_HW_I2C3_SDA (pin_) // B5, C9, C11 // SPI #define MICROPY_HW_SPI1_NSS (pin_A4) // A4, A15 (Nucleo64 specifies B6 as pin CS, must be done as GPIO, not as AF) #define MICROPY_HW_SPI1_SCK (pin_A5) // A5 (LED), B3 (SWO) #define MICROPY_HW_SPI1_MISO (pin_A6) // A6, B4 #define MICROPY_HW_SPI1_MOSI (pin_A7) // A7, B5 // #define MICROPY_HW_SPI2_NSS (pin_) // B12, D15, F0 // #define MICROPY_HW_SPI2_SCK (pin_) // B13, F1, F9, F10 // #define MICROPY_HW_SPI2_MISO (pin_) // A10, B14 // #define MICROPY_HW_SPI2_MOSI (pin_) // A11, B15 // #define MICROPY_HW_SPI3_NSS (pin_) // A4, A15 // #define MICROPY_HW_SPI3_SCK (pin_) // B3, C10 // #define MICROPY_HW_SPI3_MISO (pin_) // B4, C11 // #define MICROPY_HW_SPI3_MOSI (pin_) // B5, C12 // USRSW is pulled low. Pressing the button makes the input go high. #define MICROPY_HW_USRSW_PIN (pin_C13) #define MICROPY_HW_USRSW_PULL (GPIO_NOPULL) #define MICROPY_HW_USRSW_EXTI_MODE (GPIO_MODE_IT_RISING) #define MICROPY_HW_USRSW_PRESSED (1) // LEDs #define MICROPY_HW_LED1 (pin_A5) // 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 pin A12 (dp), A11 (dm) not mounted on Nucleo #define MICROPY_HW_USB_FS (1) // #define MICROPY_HW_USB_VBUS_DETECT_PIN (pin_A9) // #define MICROPY_HW_USB_OTG_ID_PIN (pin_A10) // FDCAN bus // User TODO: fit transceiver chip #define MICROPY_HW_CAN1_NAME "FDCAN1" #define MICROPY_HW_CAN1_TX (pin_A12) // A12, B9, D1 #define MICROPY_HW_CAN1_RX (pin_A11) // A11, B8, D0