circuitpython/ports/stm32/boards/ADAFRUIT_F405_EXPRESS/mpconfigboard.h

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#define MICROPY_HW_BOARD_NAME "Adafruit Feather STM32F405"
#define MICROPY_HW_MCU_NAME "STM32F405RG"
#define MICROPY_HW_HAS_SWITCH (0)
#define MICROPY_HW_HAS_FLASH (1)
#define MICROPY_HW_HAS_MMA7660 (0)
#define MICROPY_HW_HAS_LCD (0)
#define MICROPY_HW_ENABLE_RNG (1)
#define MICROPY_HW_ENABLE_RTC (1)
#define MICROPY_HW_ENABLE_SERVO (1)
#define MICROPY_HW_ENABLE_DAC (1)
#define MICROPY_HW_ENABLE_USB (1)
#define MICROPY_HW_ENABLE_SDCARD (1)
// HSE is 12MHz
#define MICROPY_HW_CLK_PLLM (12)
#define MICROPY_HW_CLK_PLLN (336)
#define MICROPY_HW_CLK_PLLP (RCC_PLLP_DIV2)
#define MICROPY_HW_CLK_PLLQ (7)
#define MICROPY_HW_CLK_LAST_FREQ (1)
// The Feather has a 32kHz crystal for the RTC
#define MICROPY_HW_RTC_USE_LSE (1)
#define MICROPY_HW_RTC_USE_US (0)
#define MICROPY_HW_RTC_USE_CALOUT (1)
// UART config
#define MICROPY_HW_UART3_NAME "UART3" // on RX / TX
#define MICROPY_HW_UART3_TX (pin_B10) // TX
#define MICROPY_HW_UART3_RX (pin_B11) // RX
#define MICROPY_HW_UART3_RTS (pin_B14) // MISO
#define MICROPY_HW_UART3_CTS (pin_B13) // SCK
#define MICROPY_HW_UART2_NAME "UART2" // on SDA/SCL
#define MICROPY_HW_UART2_TX (pin_B6) // SCL
#define MICROPY_HW_UART2_RX (pin_B7) // SDA
#define MICROPY_HW_UART6_NAME "UART6" // on D5/D6
#define MICROPY_HW_UART6_TX (pin_C6) // D6
#define MICROPY_HW_UART6_RX (pin_C7) // D5
// I2C buses
#define MICROPY_HW_I2C1_NAME "I2C1"
#define MICROPY_HW_I2C1_SCL (pin_B6) // SCL
#define MICROPY_HW_I2C1_SDA (pin_B7) // SDA
#define MICROPY_HW_I2C2_NAME "I2C2"
#define MICROPY_HW_I2C2_SCL (pin_B10) // TX
#define MICROPY_HW_I2C2_SDA (pin_B11) // RX
// SPI buses
#define MICROPY_HW_SPI1_NAME "SPIFLASH"
#define MICROPY_HW_SPI1_NSS (pin_A15) // FLASH CS
#define MICROPY_HW_SPI1_SCK (pin_B3) // FLASH CLK
#define MICROPY_HW_SPI1_MISO (pin_B4) // FLASH MISO
#define MICROPY_HW_SPI1_MOSI (pin_B5) // FLASH MOSI
#define MICROPY_HW_SPI2_NAME "SPI1"
#define MICROPY_HW_SPI2_NSS (pin_B12) // SD DETECT
#define MICROPY_HW_SPI2_SCK (pin_B13) // SCK
#define MICROPY_HW_SPI2_MISO (pin_B14) // MISO
#define MICROPY_HW_SPI2_MOSI (pin_B15) // MOSI
// CAN buses
#define MICROPY_HW_CAN1_NAME "CAN1"
#define MICROPY_HW_CAN1_TX (pin_B9) // D10
#define MICROPY_HW_CAN1_RX (pin_B8) // D9
// The Feather has 1 LED
#define MICROPY_HW_LED1 (pin_C1) // red
#define MICROPY_HW_LED_ON(pin) (mp_hal_pin_high(pin))
#define MICROPY_HW_LED_OFF(pin) (mp_hal_pin_low(pin))
// SD card detect switch
#define MICROPY_HW_SDCARD_DETECT_PIN (pin_B12)
#define MICROPY_HW_SDCARD_DETECT_PULL (GPIO_PULLUP)
#define MICROPY_HW_SDCARD_DETECT_PRESENT (GPIO_PIN_RESET)
// USB config
#define MICROPY_HW_USB_FS (1)
#define MICROPY_HW_USB_VBUS_DETECT_PIN (pin_A9)
#define MICROPY_HW_USB_OTG_ID_PIN (pin_A10)
// Bootloader configuration (only needed if Mboot is used)
#define MBOOT_I2C_PERIPH_ID 1
#define MBOOT_I2C_SCL (pin_B8)
#define MBOOT_I2C_SDA (pin_B9)
#define MBOOT_I2C_ALTFUNC (4)