circuitpython/ports/stm32/boards/NUCLEO_F446RE/mpconfigboard.h

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#define MICROPY_HW_BOARD_NAME "NUCLEO-F446RE"
#define MICROPY_HW_MCU_NAME "STM32F446xx"
#define MICROPY_HW_HAS_SWITCH (1)
#define MICROPY_HW_HAS_FLASH (1)
#define MICROPY_HW_ENABLE_RTC (1)
#define MICROPY_HW_ENABLE_DAC (1)
#define MICROPY_HW_ENABLE_SERVO (1)
// HSE is 8MHz, CPU freq set to 168MHz. Using PLLQ for USB this gives a nice
// 48 MHz clock for USB. To goto 180 MHz, I think that USB would need to be
// configured to use PLLSAI
#define MICROPY_HW_CLK_PLLM (8)
#define MICROPY_HW_CLK_PLLN (336)
#define MICROPY_HW_CLK_PLLP (RCC_PLLP_DIV2)
#define MICROPY_HW_CLK_PLLQ (7)
// UART config
#define MICROPY_HW_UART2_TX (pin_A2)
#define MICROPY_HW_UART2_RX (pin_A3)
#define MICROPY_HW_UART6_TX (pin_C6)
#define MICROPY_HW_UART6_RX (pin_C7)
// UART 2 connects to the STM32F103 (STLINK) on the Nucleo board
// and this is exposed as a USB Serial port.
#define MICROPY_HW_UART_REPL PYB_UART_2
#define MICROPY_HW_UART_REPL_BAUD 115200
// I2C buses
#define MICROPY_HW_I2C1_SCL (pin_B8) // Arduino D15, pin 3 on CN10
#define MICROPY_HW_I2C1_SDA (pin_B9) // Arduino D14, pin 5 on CN10
#define MICROPY_HW_I2C2_SCL (pin_B10) // Arduino D6, pin 25 on CN10
#define MICROPY_HW_I2C2_SDA (pin_B3) // Arduino D3, pin 31 on CN10
#define MICROPY_HW_I2C3_SCL (pin_A8) // Arduino D7, pin 23 on CN10
#define MICROPY_HW_I2C3_SDA (pin_C9) // pin 1 on CN10
// SPI buses
#define MICROPY_HW_SPI1_NSS (pin_A15) // pin 17 on CN7
#define MICROPY_HW_SPI1_SCK (pin_A5) // Arduino D13, pin 11 on CN10
#define MICROPY_HW_SPI1_MISO (pin_A6) // Arduino D12, pin 13 on CN10
#define MICROPY_HW_SPI1_MOSI (pin_A7) // Arduino D11, pin 15 on CN10
#define MICROPY_HW_SPI2_NSS (pin_B12) // pin 16 on CN10
#define MICROPY_HW_SPI2_SCK (pin_B13) // pin 30 on CN10
#define MICROPY_HW_SPI2_MISO (pin_B14) // pin 28 on CN10
#define MICROPY_HW_SPI2_MOSI (pin_B15) // pin 26 on CN10
#define MICROPY_HW_SPI3_NSS (pin_A4) // Arduino A2, pin 32 on CN7
#define MICROPY_HW_SPI3_SCK (pin_B3) // Arduino D3, pin 31 on CN10
#define MICROPY_HW_SPI3_MISO (pin_B4) // Arduino D5, pin 27 on CN10
#define MICROPY_HW_SPI3_MOSI (pin_B5) // Arduino D4, pin 29 on CN10
#define MICROPY_HW_SPI4_NSS (pin_B12) // pin 16 on CN10
#define MICROPY_HW_SPI4_SCK (pin_B13) // pin 30 on CN10
#define MICROPY_HW_SPI4_MISO (pin_A1) // pin 30 on CN7
#define MICROPY_HW_SPI4_MOSI (pin_A11) // pin 14 on CN10
// CAN buses
#define MICROPY_HW_CAN1_TX (pin_B9) // pin 5 on CN10
#define MICROPY_HW_CAN1_RX (pin_B8) // pin 3 on CN10
#define MICROPY_HW_CAN2_TX (pin_B6) // pin 17 on CN10
#define MICROPY_HW_CAN2_RX (pin_B5) // pin 29 on CN10
// 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_FALLING)
#define MICROPY_HW_USRSW_PRESSED (0)
// LEDs
#define MICROPY_HW_LED1 (pin_A5) // Green LD2 LED on Nucleo
#define MICROPY_HW_LED_ON(pin) (mp_hal_pin_high(pin))
#define MICROPY_HW_LED_OFF(pin) (mp_hal_pin_low(pin))