#define MICROPY_HW_BOARD_NAME "SAMD21-XPLAINED-PRO"
#define MICROPY_HW_MCU_NAME   "SAMD21J18A"

// MicroPython configs
// samd_flash.c flash parameters
// Build a 64k Flash storage at top. 256k-64k=196k
// 256*1024=262144 minus 64*1024=65536 = 196608 = 0x30000
#define MICROPY_HW_FLASH_STORAGE_BASE       (0x30000)
#define MICROPY_HW_FLASH_STORAGE_BYTES      (0xFFFF)
#define VFS_BLOCK_SIZE_BYTES                (1536) // 24x 64B flash pages;

#define CPU_FREQ (48000000) // For selecting Baud from clock.