82 lines
3.0 KiB
C
82 lines
3.0 KiB
C
#define MICROPY_BOARD_EARLY_INIT STM32L476DISC_board_early_init
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void STM32L476DISC_board_early_init(void);
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#define MICROPY_HW_BOARD_NAME "L476-DISCO"
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#define MICROPY_HW_MCU_NAME "STM32L476"
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#define MICROPY_HW_ENABLE_INTERNAL_FLASH_STORAGE (0)
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#define MICROPY_HW_HAS_SWITCH (1)
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#define MICROPY_HW_HAS_FLASH (1)
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#define MICROPY_HW_ENABLE_RNG (1)
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#define MICROPY_HW_ENABLE_RTC (1)
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#define MICROPY_HW_ENABLE_USB (1)
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// use external SPI flash for storage
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#define MICROPY_HW_SPIFLASH_SIZE_BITS (128 * 1024 * 1024)
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#define MICROPY_HW_SPIFLASH_CS (pin_E11)
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#define MICROPY_HW_SPIFLASH_SCK (pin_E10)
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#define MICROPY_HW_SPIFLASH_MOSI (pin_E12)
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#define MICROPY_HW_SPIFLASH_MISO (pin_E13)
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// block device config for SPI flash
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extern const struct _mp_spiflash_config_t spiflash_config;
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extern struct _spi_bdev_t spi_bdev;
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#define MICROPY_HW_BDEV_IOCTL(op, arg) ( \
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(op) == BDEV_IOCTL_NUM_BLOCKS ? (MICROPY_HW_SPIFLASH_SIZE_BITS / 8 / FLASH_BLOCK_SIZE) : \
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(op) == BDEV_IOCTL_INIT ? spi_bdev_ioctl(&spi_bdev, (op), (uint32_t)&spiflash_config) : \
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spi_bdev_ioctl(&spi_bdev, (op), (arg)) \
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)
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#define MICROPY_HW_BDEV_READBLOCKS(dest, bl, n) spi_bdev_readblocks(&spi_bdev, (dest), (bl), (n))
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#define MICROPY_HW_BDEV_WRITEBLOCKS(src, bl, n) spi_bdev_writeblocks(&spi_bdev, (src), (bl), (n))
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// MSI is used and is 4MHz
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#define MICROPY_HW_CLK_PLLM (1)
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#define MICROPY_HW_CLK_PLLN (40)
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#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)
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// The board has an external 32kHz crystal
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#define MICROPY_HW_RTC_USE_LSE (1)
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#define MICROPY_HW_FLASH_LATENCY FLASH_LATENCY_4
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// USART config
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#define MICROPY_HW_UART2_TX (pin_D5)
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#define MICROPY_HW_UART2_RX (pin_D6)
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// USART 2 is connected to the virtual com port on the ST-LINK
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#define MICROPY_HW_UART_REPL PYB_UART_2
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#define MICROPY_HW_UART_REPL_BAUD 115200
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// I2C busses
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#define MICROPY_HW_I2C1_SCL (pin_B6)
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#define MICROPY_HW_I2C1_SDA (pin_B7)
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#define MICROPY_HW_I2C2_SCL (pin_B10)
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#define MICROPY_HW_I2C2_SDA (pin_B11)
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// SPI busses
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#define MICROPY_HW_SPI2_NSS (pin_D0)
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#define MICROPY_HW_SPI2_SCK (pin_D1)
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#define MICROPY_HW_SPI2_MISO (pin_D3)
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#define MICROPY_HW_SPI2_MOSI (pin_D4)
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// CAN busses
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#define MICROPY_HW_CAN1_TX (pin_B9)
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#define MICROPY_HW_CAN1_RX (pin_B8)
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// Joystick is pulled low. Pressing the button makes the input go high.
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#define MICROPY_HW_USRSW_PIN (pin_A0)
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#define MICROPY_HW_USRSW_PULL (GPIO_NOPULL)
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#define MICROPY_HW_USRSW_EXTI_MODE (GPIO_MODE_IT_RISING)
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#define MICROPY_HW_USRSW_PRESSED (1)
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// LEDs
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#define MICROPY_HW_LED1 (pin_B2) // red
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#define MICROPY_HW_LED2 (pin_E8) // green
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#define MICROPY_HW_LED_ON(pin) (mp_hal_pin_high(pin))
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#define MICROPY_HW_LED_OFF(pin) (mp_hal_pin_low(pin))
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// USB config
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#define MICROPY_HW_USB_FS (1)
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// #define MICROPY_HW_USB_OTG_ID_PIN (pin_C12) // This is not the official ID Pin which should be PA10
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