43 lines
1.3 KiB
C
43 lines
1.3 KiB
C
#define MICROPY_HW_BOARD_NAME "Adafruit Metro M0 Express"
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#define MICROPY_HW_MCU_NAME "samd21g18"
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#define MICROPY_HW_LED_STATUS (&pin_PA17)
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#define MICROPY_HW_LED_TX &pin_PA27
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// Comment this out if you have trouble connecting over SWD. It's one of the SWD pins.
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#define MICROPY_HW_LED_RX &pin_PA31
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#define MICROPY_HW_NEOPIXEL (&pin_PA30)
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// Clock rates are off: Salae reads 12MHz which is the limit even though we set it to the safer 8MHz.
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#define SPI_FLASH_BAUDRATE (8000000)
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#define SPI_FLASH_MOSI_PIN &pin_PB22
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#define SPI_FLASH_MISO_PIN &pin_PB03
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#define SPI_FLASH_SCK_PIN &pin_PB23
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#define SPI_FLASH_CS_PIN &pin_PA13
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// These are pins not to reset.
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#define MICROPY_PORT_A (0)
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#define MICROPY_PORT_B (0)
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#define MICROPY_PORT_C (0)
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#define BOARD_HAS_CRYSTAL 1
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#define DEFAULT_I2C_BUS_SCL (&pin_PA23)
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#define DEFAULT_I2C_BUS_SDA (&pin_PA22)
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#define DEFAULT_SPI_BUS_SCK (&pin_PB11)
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#define DEFAULT_SPI_BUS_MOSI (&pin_PB10)
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#define DEFAULT_SPI_BUS_MISO (&pin_PA12)
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#define DEFAULT_UART_BUS_RX (&pin_PA11)
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#define DEFAULT_UART_BUS_TX (&pin_PA10)
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// These pins are connected to the external crystal.
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#define IGNORE_PIN_PA00 1
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#define IGNORE_PIN_PA01 1
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// USB is always used internally so skip the pin objects for it.
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#define IGNORE_PIN_PA24 1
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#define IGNORE_PIN_PA25 1
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