// This is for Rev B which a larger run was done and sent to Adafruit community // members. #define MICROPY_HW_BOARD_NAME "Metro M4 Express Rev B (Black)" #define MICROPY_HW_MCU_NAME "samd51j19" #define CIRCUITPY_MCU_FAMILY samd51 #define MICROPY_HW_LED_TX PIN_PA27 #define MICROPY_HW_LED_RX PIN_PB06 #define MICROPY_HW_NEOPIXEL (&pin_PB17) #define SPI_FLASH_BAUDRATE (60000000) // Rev B: single channel SPI // Rev C will be QSPI #define SPI_FLASH_MOSI_PIN PIN_PB08 #define SPI_FLASH_MISO_PIN PIN_PB11 #define SPI_FLASH_SCK_PIN PIN_PB09 #define SPI_FLASH_CS_PIN PIN_PB10 #define SPI_FLASH_MOSI_PIN_FUNCTION PINMUX_PB08D_SERCOM4_PAD0 #define SPI_FLASH_MISO_PIN_FUNCTION PINMUX_PB11D_SERCOM4_PAD3 #define SPI_FLASH_SCK_PIN_FUNCTION PINMUX_PB09D_SERCOM4_PAD1 #define SPI_FLASH_SERCOM SERCOM4 #define SPI_FLASH_SERCOM_INDEX 4 #define SPI_FLASH_MOSI_PAD 0 #define SPI_FLASH_MISO_PAD 3 #define SPI_FLASH_SCK_PAD 1 // Transmit Data Pinout // <0x0=>PAD[0,1]_DO_SCK // <0x1=>PAD[2,3]_DO_SCK // <0x2=>PAD[3,1]_DO_SCK // <0x3=>PAD[0,3]_DO_SCK #define SPI_FLASH_DOPO 0 #define SPI_FLASH_DIPO 3 // same as MISO pad // These are pins not to reset. // Pin for TX LED #define MICROPY_PORT_A (PORT_PA27) // Pins for RX LED, SPI flash and neopixel #define MICROPY_PORT_B (PORT_PB06 | PORT_PB08 | PORT_PB09 | PORT_PB10 | PORT_PB11 | PORT_PB17) #define MICROPY_PORT_C (0) #define MICROPY_PORT_D (0) #define AUTORESET_DELAY_MS 500 #include "external_flash/external_flash.h" // If you change this, then make sure to update the linker scripts as well to // make sure you don't overwrite code #define CIRCUITPY_INTERNAL_NVM_SIZE 8192 #define BOARD_FLASH_SIZE (FLASH_SIZE - 0x4000 - CIRCUITPY_INTERNAL_NVM_SIZE) #include "external_flash/devices.h" #define EXTERNAL_FLASH_DEVICE_COUNT 2 #define EXTERNAL_FLASH_DEVICES S25FL216K, \ GD25Q16C #include "external_flash/external_flash.h"