Read back a flash page from the Crazyflie and return it
(self, addr=0xFF, page=0x00)
| 334 | self.link.send_packet(pk) |
| 335 | |
| 336 | def read_flash(self, addr=0xFF, page=0x00): |
| 337 | """Read back a flash page from the Crazyflie and return it""" |
| 338 | buff = bytearray() |
| 339 | |
| 340 | page_size = self.targets[addr].page_size |
| 341 | |
| 342 | for i in range(0, int(math.ceil(page_size / 25.0))): |
| 343 | pk = None |
| 344 | retry_counter = 5 |
| 345 | while ((not pk or pk.header != 0xFF or |
| 346 | struct.unpack('<BB', pk.data[0:2]) != (addr, 0x1C)) and |
| 347 | retry_counter >= 0): |
| 348 | pk = CRTPPacket() |
| 349 | pk.set_header(0xFF, 0xFF) |
| 350 | pk.data = struct.pack('<BBHH', addr, 0x1C, page, (i * 25)) |
| 351 | self.link.send_packet(pk) |
| 352 | |
| 353 | pk = self.link.receive_packet(1) |
| 354 | retry_counter -= 1 |
| 355 | if (retry_counter < 0): |
| 356 | return None |
| 357 | else: |
| 358 | buff += pk.data[6:] |
| 359 | |
| 360 | # For some reason we get one byte extra here... |
| 361 | return buff[0:page_size] |
| 362 | |
| 363 | def write_flash(self, addr, page_buffer, target_page, page_count): |
| 364 | """Initiate flashing of data in the buffer to flash.""" |
no test coverage detected