- #info_ret = dev.recv_data(17)
- info = b'\x81\x00\x0D\x3A\x01\x31\x2d\x00\x00\x1e\x84\x80\x04\x02\x0a\x08' # test
- fmt = '>IIIBBH'
- _HEADER, SCI, RMB, NOA, TYP, BFV = struct.unpack(fmt, info)
- print(f'Ver{BFV >> 8}.{BFV & 0xFF}')
+ info = dev.recv_data(18)
+ fmt = '>IIIBBHH'
+ _HEADER, SCI, RMB, NOA, TYP, BFV, _FOOTER = struct.unpack(fmt, info)
+ print('====================')
+ if TYP == 0x02:
+ print('Chip: RA MCU + RA2/RA4 Series')
+ elif TYP == 0x03:
+ print('Chip: RA MCU + RA6 Series')
+ else:
+ rint('Unknown MCU type')
+ print(f'Serial interface speed: {SCI} Hz')
+ print(f'Recommend max UART baud rate: {RMB} bps')
+ print(f'User area in Code flash [{NOA & 0x1}|{NOA & 0x02 >> 1}]')
+ print(f'User area in Data flash [{NOA & 0x03 >> 2}]')
+ print(f'Config area [{NOA & 0x04 >> 3}]')
+ print(f'Boot firmware: version {BFV >> 8}.{BFV & 0xFF}')
+
+def erase_chip(dev, start_addr, size):
+
+ if size == None:
+ size = 0x3FFFF - start_addr # erase all
+
+ (start_addr, end_addr) = set_size_boundaries(start_addr, size)
+ print(f'Erasing {hex(start_addr)}:{hex(end_addr)}')
+
+ # setup initial communication
+ SAD = int_to_hex_list(start_addr)
+ EAD = int_to_hex_list(end_addr)
+ packed = pack_pkt(ERA_CMD, SAD + EAD)
+ dev.send_data(packed)
+
+ ret = dev.recv_data(7, timeout=1000) # erase takes usually a bit longer
+ unpack_pkt(ret)
+ print("Erase complete")
+
+def read_img(dev, img, start_addr, size):
+
+ if size == None:
+ size = 0x3FFFF - start_addr # read maximum possible
+
+ (start_addr, end_addr) = set_size_boundaries(start_addr, size)
+
+ # setup initial communication
+ SAD = int_to_hex_list(start_addr)
+ EAD = int_to_hex_list(end_addr)
+ packed = pack_pkt(REA_CMD, SAD + EAD)
+ dev.send_data(packed)