66 lines
2.2 KiB
C
66 lines
2.2 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_TX PIN_PA27
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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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#define SPI_FLASH_MOSI_PIN_FUNCTION PINMUX_PB22D_SERCOM5_PAD2
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#define SPI_FLASH_MISO_PIN_FUNCTION PINMUX_PB03D_SERCOM5_PAD1
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#define SPI_FLASH_SCK_PIN_FUNCTION PINMUX_PB23D_SERCOM5_PAD3
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#define SPI_FLASH_SERCOM SERCOM5
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#define SPI_FLASH_SERCOM_INDEX 5
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#define SPI_FLASH_MOSI_PAD 2
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#define SPI_FLASH_MISO_PAD 1
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#define SPI_FLASH_SCK_PAD 3
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// <o> Transmit Data Pinout
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// <0x0=>PAD[0,1]_DO_SCK
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// <0x1=>PAD[2,3]_DO_SCK
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// <0x2=>PAD[3,1]_DO_SCK
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// <0x3=>PAD[0,3]_DO_SCK
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#define SPI_FLASH_DOPO 1
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#define SPI_FLASH_DIPO 1 // same as MISO pad
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// These are pins not to reset.
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#define MICROPY_PORT_A (PORT_PA13 |PORT_PA24 | PORT_PA25 | PORT_PA27 | PORT_PA30 | PORT_PA31)
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#define MICROPY_PORT_B (PORT_PB03 | PORT_PB22 | PORT_PB23)
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#define MICROPY_PORT_C (0)
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// If you change this, then make sure to update the linker scripts as well to
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// make sure you don't overwrite code.
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#define CIRCUITPY_INTERNAL_NVM_SIZE 256
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#define BOARD_FLASH_SIZE (0x00040000 - 0x2000 - CIRCUITPY_INTERNAL_NVM_SIZE)
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#include "external_flash/devices.h"
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#define EXTERNAL_FLASH_DEVICE_COUNT 2
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#define EXTERNAL_FLASH_DEVICES S25FL216K, \
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GD25Q16C
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#include "external_flash/external_flash.h"
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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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// 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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