OSCAR-code/history/cms50f/dump_cms50f37.py

144 lines
3.3 KiB
Python
Executable File

#!/usr/bin/python
# -*- coding: UTF-8 -*-
# Contec CMS 50F firmware 3.7 dumper
# (C) 2014, François Revol <revol@free.fr>
#cf. http://elinux.org/Serial_port_programming
import serial
import sys
import time
def send_cmd(p, c):
print "> %s" % c
c = c.replace(' ', '')
c = c.decode("hex")
#print c.encode("hex")
p.write(c)
#p.flush()
def recv_data(p, l=None):
data = ''
while l is None or len(data) < l:
time.sleep(0.5)
if p.inWaiting() < 1:
print "No more data..."
# XXX: do something?
if l is None:
break
want = max(p.inWaiting(), 1)
if l is not None:
want = min(want, l - len(data))
# just for nicer hex dump, wrap at 8 bytes
want = min(want, 8)
#print len
d = p.read(want)
hx = d.encode("hex")
print "< %s" % " ".join(hx[i:i+2] for i in range(0, len(hx), 2))
data += d
print
return data
if len(sys.argv) < 2:
print "Usage: %s serialdev" % sys.argv[0]
exit(1)
#, parity=serial.PARITY_ODD
with serial.Serial(port=sys.argv[1], baudrate=115200) as p:
send_cmd(p, '7d 81 a2 80 80 80 80 80 80 7d 81 a7 80 80 80 80 80 80 7d 81 a8 80 80 80 80 80 80 7d 81 a9 80 80 80 80 80 80 7d 81 aa 80 80 80 80 80 80 7d 81 b0 80 80 80 80 80 80')
recv_data(p)
send_cmd(p, '7d 81 a2 80 80 80 80 80 80')
recv_data(p)
send_cmd(p, '7d 81 a7 80 80 80 80 80 80')
recv_data(p)
send_cmd(p, '7d 81 a8 80 80 80 80 80 80')
recv_data(p)
send_cmd(p, '7d 81 a9 80 80 80 80 80 80')
recv_data(p)
send_cmd(p, '7d 81 aa 80 80 80 80 80 80')
recv_data(p)
send_cmd(p, '7d 81 b0 80 80 80 80 80 80')
recv_data(p)
print "------------"
send_cmd(p, '7d 81 a7 80 80 80 80 80 80')
recv_data(p, 2)
send_cmd(p, '7d 81 a2 80 80 80 80 80 80')
recv_data(p, 2)
send_cmd(p, '7d 81 a0 80 80 80 80 80 80')
recv_data(p, 4)
send_cmd(p, '7d 81 b0 80 80 80 80 80 80')
recv_data(p)
send_cmd(p, '7d 81 ac 80 80 80 80 80 80')
recv_data(p)
send_cmd(p, '7d 81 b3 80 80 80 80 80 80')
recv_data(p)
send_cmd(p, '7d 81 ad 80 80 80 80 80 80')
recv_data(p)
send_cmd(p, '7d 81 a3 80 80 80 80 80 80')
recv_data(p)
send_cmd(p, '7d 81 ab 80 80 80 80 80 80')
recv_data(p)
send_cmd(p, '7d 81 a4 80 80 80 80 80 80')
recv_data(p)
send_cmd(p, '7d 81 a5 80 80 80 80 80 80')
d = recv_data(p)
print "timestamp:"
packet = d[0:8]
if packet[0] == '\x07':
print "%02d%02d-%02d-%02d" % (
ord(packet[4]) & ~0x80,
ord(packet[5]) & ~0x80,
ord(packet[6]) & ~0x80,
ord(packet[7]) & ~0x80)
packet = d[8:16]
if packet[0] == '\x12':
print "%02d:%02d:%02d.%02d" % (
ord(packet[4]) & ~0x80,
ord(packet[5]) & ~0x80,
ord(packet[6]) & ~0x80,
ord(packet[7]) & ~0x80)
send_cmd(p, '7d 81 af 80 80 80 80 80 80')
recv_data(p)
send_cmd(p, '7d 81 a7 80 80 80 80 80 80')
recv_data(p)
send_cmd(p, '7d 81 a2 80 80 80 80 80 80')
recv_data(p)
send_cmd(p, '7d 81 a6 80 80 80 80 80 80')
d = recv_data(p)
print "data:"
for i in range(0, len(d) / 8):
packet = d[i*8:i*8+8]
print "packet %d" % (i)
if packet[0] != '\x0f':
print "invalid data packet:"
print packet.encode("hex")
continue
if packet[1] != '\x80':
print "unknown code for packet: %02x" % ord(packet[1])
print "%d%% %dbpm" % (ord(packet[2]) & ~0x80, ord(packet[3]) & ~0x80)
print "%d%% %dbpm" % (ord(packet[4]) & ~0x80, ord(packet[5]) & ~0x80)
print "%d%% %dbpm" % (ord(packet[6]) & ~0x80, ord(packet[7]) & ~0x80)