#define MICROPY_HW_BOARD_NAME "Feather M4 Express" #define MICROPY_HW_MCU_NAME "SAMD51J19A" #define MICROPY_HW_XOSC32K (1) #define MICROPY_HW_MCU_OSC32KULP (1) #define MICROPY_HW_QSPIFLASH GD25Q16C