mpconfigboard.h 2.41 KB
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#define MICROPY_BOARD_EARLY_INIT    STM32L476DISC_board_early_init
void STM32L476DISC_board_early_init(void);

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#define MICROPY_HW_BOARD_NAME       "L476-DISCO"
#define MICROPY_HW_MCU_NAME         "STM32L476"

#define MICROPY_HW_HAS_SWITCH       (1)
#define MICROPY_HW_HAS_FLASH        (1)
#define MICROPY_HW_HAS_SDCARD       (0)
#define MICROPY_HW_HAS_MMA7660      (0)
#define MICROPY_HW_HAS_LIS3DSH      (0)
#define MICROPY_HW_HAS_LCD          (0)
#define MICROPY_HW_ENABLE_RNG       (1)
#define MICROPY_HW_ENABLE_RTC       (1)
#define MICROPY_HW_ENABLE_TIMER     (1)
#define MICROPY_HW_ENABLE_SERVO     (0)
#define MICROPY_HW_ENABLE_DAC       (0)
#define MICROPY_HW_ENABLE_CAN       (0)

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// use external SPI flash for storage
#define MICROPY_HW_SPIFLASH_SIZE_BITS (128 * 1024 * 1024)
#define MICROPY_HW_SPIFLASH_CS      (pin_E11)
#define MICROPY_HW_SPIFLASH_SCK     (pin_E10)
#define MICROPY_HW_SPIFLASH_MOSI    (pin_E12)
#define MICROPY_HW_SPIFLASH_MISO    (pin_E13)

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// MSI is used and is 4MHz
#define MICROPY_HW_CLK_PLLM (1)
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#define MICROPY_HW_CLK_PLLN (40)
#define MICROPY_HW_CLK_PLLP (RCC_PLLP_DIV7)
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#define MICROPY_HW_CLK_PLLR (RCC_PLLR_DIV2)
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#define MICROPY_HW_CLK_PLLQ (RCC_PLLQ_DIV2)

#define MICROPY_HW_FLASH_LATENCY    FLASH_LATENCY_4

// USART config
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#define MICROPY_HW_UART2_TX     (pin_D5)
#define MICROPY_HW_UART2_RX     (pin_D6)
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// USART 2 is connected to the virtual com port on the ST-LINK
#define MICROPY_HW_UART_REPL        PYB_UART_2
#define MICROPY_HW_UART_REPL_BAUD   115200

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// I2C busses
#define MICROPY_HW_I2C1_SCL (pin_B6)
#define MICROPY_HW_I2C1_SDA (pin_B7)
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#define MICROPY_HW_I2C2_SCL (pin_B10)
#define MICROPY_HW_I2C2_SDA (pin_B11)
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// SPI busses
#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)

// Joystick is pulled low. Pressing the button makes the input go high.
#define MICROPY_HW_USRSW_PIN        (pin_A0)
#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_B2) // red
#define MICROPY_HW_LED2             (pin_E8) // green
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#define MICROPY_HW_LED_ON(pin)      (mp_hal_pin_high(pin))
#define MICROPY_HW_LED_OFF(pin)     (mp_hal_pin_low(pin))
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// USB config
// #define MICROPY_HW_USB_OTG_ID_PIN      (pin_C12) // This is not the official ID Pin which should be PA10