54 lines
1.8 KiB
C
54 lines
1.8 KiB
C
#define MICROPY_HW_BOARD_NAME "Adafruit Feather M0 Express"
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#define MICROPY_HW_MCU_NAME "samd21g18"
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#define MICROPY_HW_NEOPIXEL (&pin_PA06)
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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_PA08
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#define SPI_FLASH_MISO_PIN PIN_PA14
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#define SPI_FLASH_SCK_PIN PIN_PA09
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#define SPI_FLASH_CS_PIN PIN_PA13
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#define SPI_FLASH_MOSI_PIN_FUNCTION PINMUX_PA08D_SERCOM2_PAD0
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#define SPI_FLASH_MISO_PIN_FUNCTION PINMUX_PA14C_SERCOM2_PAD2
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#define SPI_FLASH_SCK_PIN_FUNCTION PINMUX_PA09D_SERCOM2_PAD1
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#define SPI_FLASH_SERCOM SERCOM2
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#define SPI_FLASH_SERCOM_INDEX 2
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#define SPI_FLASH_MOSI_PAD 0
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#define SPI_FLASH_MISO_PAD 2
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#define SPI_FLASH_SCK_PAD 1
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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 0
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#define SPI_FLASH_DIPO 2 // same as MISO pad
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// These are pins not to reset.
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#define MICROPY_PORT_A (PORT_PA06 | PORT_PA08 | PORT_PA09 | PORT_PA13 | PORT_PA14 | PORT_PA24 | PORT_PA25)
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#define MICROPY_PORT_B ( 0 )
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#define MICROPY_PORT_C ( 0 )
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#include "external_flash/external_flash.h"
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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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