eraseAll method
Implementation
Future<List<int>> eraseAll(int size) {
final payload = List<int>.empty(growable: true);
payload.addAll([
0x07,
0x03,
0x55,
0xAA,
_cmdCodeAllErase98,
0x04,
0x00,
0x00,
size >> 8,
size
]);
final crc = checksum(payload.sublist(4, payload.length));
payload.add(crc);
return getElinkA7Data(payload);
}