@ sir Peter
so you mean that it is correct (at least on the unpack() part)
when i run this program on IDLE , Python 2.3 (enthought edition),
nothing is outputted on the shell, until i decide to close the shell,
wherein it tells me if i would like to kill a process...
import serial
import string
import time
from struct import *
ser = serial.Serial()
ser.baudrate = 9600
ser.port = 0
ser
ser.close()
ser.open()
command = 67
message_no = 1
total_data = 2
item = 10000
for item in range(10000, 30001, 250):
data_hi, data_lo = divmod(item, 0x100)
checksum = -(data_hi + data_lo + 0x46) & 0xff
ser.write(pack('6B', command, message_no, total_data, data_lo,
data_hi, checksum))
rx_data1=0
while (rx_data1 != 0x46):
rx_data1 = ser.read(1)
(rx_command) = unpack('1B', rx_data1)
rx_data2=ser.read(9)
(rx_msg_no, rx_no_databyte, temp1, temp2, pyra1, pyra2, voltage,
current, rx_checksum) = unpack('9B', data)
print rx_command, rx_msg_no, rx_no_databyte, temp1, temp2, pyra1,
pyra2, voltage, current, rx_checksum
ser.close()
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