circuitpython/ports/stm32/boards/PYBLITEV10/mpconfigboard.h

#define MICROPY_HW_BOARD_NAME       "PYBLITEv1.0"
#define MICROPY_HW_MCU_NAME         "STM32F411RE"

#define MICROPY_HW_HAS_SWITCH       (1)
#define MICROPY_HW_HAS_FLASH        (1)
#define MICROPY_HW_HAS_MMA7660      (1)
#define MICROPY_HW_HAS_LCD          (1)
#define MICROPY_HW_ENABLE_RTC       (1)
#define MICROPY_HW_ENABLE_USB       (1)
#define MICROPY_HW_ENABLE_SERVO     (1)
#define MICROPY_HW_ENABLE_SDCARD    (1)

// HSE is 12MHz
#define MICROPY_HW_CLK_PLLM (12)
#define MICROPY_HW_CLK_PLLN (192)
#define MICROPY_HW_CLK_PLLP (RCC_PLLP_DIV2)
#define MICROPY_HW_CLK_PLLQ (4)
#define MICROPY_HW_CLK_LAST_FREQ (1)

// Pyboard lite has an optional 32kHz crystal
#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_UART1_NAME   "XB"
#define MICROPY_HW_UART1_TX     (pin_B6)
#define MICROPY_HW_UART1_RX     (pin_B7)
#define MICROPY_HW_UART2_NAME   "XA"
#define MICROPY_HW_UART2_TX     (pin_A2)
#define MICROPY_HW_UART2_RX     (pin_A3)
#define MICROPY_HW_UART2_RTS    (pin_A1)
#define MICROPY_HW_UART2_CTS    (pin_A0)
#define MICROPY_HW_UART6_NAME   "YA"
#define MICROPY_HW_UART6_TX     (pin_C6)
#define MICROPY_HW_UART6_RX     (pin_C7)

// I2C buses
#define MICROPY_HW_I2C1_NAME "X"
#define MICROPY_HW_I2C1_SCL (pin_B6)
#define MICROPY_HW_I2C1_SDA (pin_B7)
#define MICROPY_HW_I2C3_NAME "Y"
#define MICROPY_HW_I2C3_SCL (pin_A8)
#define MICROPY_HW_I2C3_SDA (pin_B8)

// SPI buses
#define MICROPY_HW_SPI1_NAME "X"
#define MICROPY_HW_SPI1_NSS  (pin_A4) // X5
#define MICROPY_HW_SPI1_SCK  (pin_A5) // X6
#define MICROPY_HW_SPI1_MISO (pin_A6) // X7
#define MICROPY_HW_SPI1_MOSI (pin_A7) // X8
#define MICROPY_HW_SPI2_NAME "Y"
#define MICROPY_HW_SPI2_NSS  (pin_B12) // Y5
#define MICROPY_HW_SPI2_SCK  (pin_B13) // Y6
#define MICROPY_HW_SPI2_MISO (pin_B14) // Y7
#define MICROPY_HW_SPI2_MOSI (pin_B15) // Y8

// USRSW has no pullup or pulldown, and pressing the switch makes the input go low
#define MICROPY_HW_USRSW_PIN        (pin_B3)
#define MICROPY_HW_USRSW_PULL       (GPIO_PULLUP)
#define MICROPY_HW_USRSW_EXTI_MODE  (GPIO_MODE_IT_FALLING)
#define MICROPY_HW_USRSW_PRESSED    (0)

// The pyboard has 4 LEDs
#define MICROPY_HW_LED1             (pin_A13) // red
#define MICROPY_HW_LED2             (pin_A14) // green
#define MICROPY_HW_LED3             (pin_A15) // yellow
#define MICROPY_HW_LED4             (pin_B4)  // blue
#define MICROPY_HW_LED3_PWM         { TIM2, 2, TIM_CHANNEL_1, GPIO_AF1_TIM2 }
#define MICROPY_HW_LED4_PWM         { TIM3, 3, TIM_CHANNEL_1, GPIO_AF2_TIM3 }
#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_B5)
#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)

// MMA accelerometer config
#define MICROPY_HW_MMA_AVDD_PIN     (pin_A10)