{
  "name": "EnviroDIY Stonefly",
  "url": "https://www.envirodiy.org/",
  "vendor": "EnviroDIY",
  "platforms": ["atmelsam"],
  "frameworks": ["arduino"],
  "build": {
    "arduino": { "ldscript": "flash_with_bootloader.ld" },
    "core": "adafruit",
    "cpu": "cortex-m4",
    "extra_flags": ["-D__SAMD51N19A__", "-DENVIRODIY_STONEFLY_M4", "-D__SAMD51__", "-D__FPU_PRESENT", "-DARM_MATH_CM4", "-DENVIRODIY_STONEFLY", "-DSD_CHIP_SELECT_MODE=1", "-DENABLE_SERIAL2", "-DENABLE_SERIAL3", "-DENABLE_CACHE"],
    "f_cpu": "120000000L",
    "hwids": [["0x03EB", "0x2402"]],
    "mcu": "samd51n19a",
    "system": "samd",
    "usb_product": "EnviroDIY Stonefly",
    "variant": "stonefly_m4"
  },
  "upload": {
    "disable_flushing": true,
    "native_usb": true,
    "protocol": "sam-ba",
    "protocols": ["sam-ba", "jlink", "atmel-ice"],
    "require_upload_port": true,
    "use_1200bps_touch": true,
    "wait_for_upload_port": true,
    "maximum_ram_size": 196608,
    "maximum_size": 507904,
    "offset_address": "0x4000"
  },
  "debug": {
    "jlink_device": "samd51n19a",
    "openocd_chipname": "SAMD51N19A",
    "openocd_target": "atsame5x",
    "svd_path": "SAMD51N19A.svd"
  }
}