r4776 - developers/charlie/Tests/gsm
charlie at docs.openmoko.org
charlie at docs.openmoko.org
Mon Nov 10 11:59:31 CET 2008
Author: charlie
Date: 2008-11-10 11:59:31 +0100 (Mon, 10 Nov 2008)
New Revision: 4776
Added:
developers/charlie/Tests/gsm/mux.py
Modified:
developers/charlie/Tests/gsm/test.py
Log:
Updated GSM modem test script
Added: developers/charlie/Tests/gsm/mux.py
===================================================================
--- developers/charlie/Tests/gsm/mux.py (rev 0)
+++ developers/charlie/Tests/gsm/mux.py 2008-11-10 10:59:31 UTC (rev 4776)
@@ -0,0 +1,68 @@
+# GPL licence copyright openmoko
+# charlie at openmoko.org
+
+"""Multiplexer module
+
+This module contains functions that can be used to pass the modem into
+multiplexer mode. It is experimental, not intended to be actually used
+in the factory testing suite.
+"""
+
+
+EA = 0x01
+CR = 0x02
+SABM = 0x2f
+PF = 0x10
+CLD = 0xC1
+
+crc_table = [
+ 0x00, 0x91, 0xE3, 0x72, 0x07, 0x96, 0xE4, 0x75, 0x0E, 0x9F, 0xED,
+ 0x7C, 0x09, 0x98, 0xEA, 0x7B, 0x1C, 0x8D, 0xFF, 0x6E, 0x1B, 0x8A,
+ 0xF8, 0x69, 0x12, 0x83, 0xF1, 0x60, 0x15, 0x84, 0xF6, 0x67, 0x38,
+ 0xA9, 0xDB, 0x4A, 0x3F, 0xAE, 0xDC, 0x4D, 0x36, 0xA7, 0xD5, 0x44,
+ 0x31, 0xA0, 0xD2, 0x43, 0x24, 0xB5, 0xC7, 0x56, 0x23, 0xB2, 0xC0,
+ 0x51, 0x2A, 0xBB, 0xC9, 0x58, 0x2D, 0xBC, 0xCE, 0x5F, 0x70, 0xE1,
+ 0x93, 0x02, 0x77, 0xE6, 0x94, 0x05, 0x7E, 0xEF, 0x9D, 0x0C, 0x79,
+ 0xE8, 0x9A, 0x0B, 0x6C, 0xFD, 0x8F, 0x1E, 0x6B, 0xFA, 0x88, 0x19,
+ 0x62, 0xF3, 0x81, 0x10, 0x65, 0xF4, 0x86, 0x17, 0x48, 0xD9, 0xAB,
+ 0x3A, 0x4F, 0xDE, 0xAC, 0x3D, 0x46, 0xD7, 0xA5, 0x34, 0x41, 0xD0,
+ 0xA2, 0x33, 0x54, 0xC5, 0xB7, 0x26, 0x53, 0xC2, 0xB0, 0x21, 0x5A,
+ 0xCB, 0xB9, 0x28, 0x5D, 0xCC, 0xBE, 0x2F, 0xE0, 0x71, 0x03, 0x92,
+ 0xE7, 0x76, 0x04, 0x95, 0xEE, 0x7F, 0x0D, 0x9C, 0xE9, 0x78, 0x0A,
+ 0x9B, 0xFC, 0x6D, 0x1F, 0x8E, 0xFB, 0x6A, 0x18, 0x89, 0xF2, 0x63,
+ 0x11, 0x80, 0xF5, 0x64, 0x16, 0x87, 0xD8, 0x49, 0x3B, 0xAA, 0xDF,
+ 0x4E, 0x3C, 0xAD, 0xD6, 0x47, 0x35, 0xA4, 0xD1, 0x40, 0x32, 0xA3,
+ 0xC4, 0x55, 0x27, 0xB6, 0xC3, 0x52, 0x20, 0xB1, 0xCA, 0x5B, 0x29,
+ 0xB8, 0xCD, 0x5C, 0x2E, 0xBF, 0x90, 0x01, 0x73, 0xE2, 0x97, 0x06,
+ 0x74, 0xE5, 0x9E, 0x0F, 0x7D, 0xEC, 0x99, 0x08, 0x7A, 0xEB, 0x8C,
+ 0x1D, 0x6F, 0xFE, 0x8B, 0x1A, 0x68, 0xF9, 0x82, 0x13, 0x61, 0xF0,
+ 0x85, 0x14, 0x66, 0xF7, 0xA8, 0x39, 0x4B, 0xDA, 0xAF, 0x3E, 0x4C,
+ 0xDD, 0xA6, 0x37, 0x45, 0xD4, 0xA1, 0x30, 0x42, 0xD3, 0xB4, 0x25,
+ 0x57, 0xC6, 0xB3, 0x22, 0x50, 0xC1, 0xBA, 0x2B, 0x59, 0xC8, 0xBD,
+ 0x2C, 0x5E, 0xCF]
+
+
+def calc_crc(msg):
+ fcs = 0xff
+ for c in msg:
+ fcs = crc_table[fcs ^ ord(c)]
+ return 0xff - fcs
+
+
+def format_frame(s):
+ return ''.join(['%02X' % ord(c) for c in s])
+
+
+def send_frame(file, channel, data, type):
+ msg = chr(0xf9) * 2
+ print 'sending "%s"' % format_frame(msg)
+ print file.write(msg)
+ # Then we create the address field
+ address = EA | CR | (channel & 63) << 2
+ # The type field
+ msg = chr(address) + chr(type)
+ # CRC
+ crc = chr(calc_crc(msg))
+ msg = '\x7e' + msg + crc + '\x7e'
+ print 'sending "%s"' % format_frame(msg)
+ print file.write(msg)
Modified: developers/charlie/Tests/gsm/test.py
===================================================================
--- developers/charlie/Tests/gsm/test.py 2008-11-09 19:39:20 UTC (rev 4775)
+++ developers/charlie/Tests/gsm/test.py 2008-11-10 10:59:31 UTC (rev 4776)
@@ -2,120 +2,148 @@
# GPL licence copyright openmoko
# charlie at openmoko.org
-# This is just a test... Very ugly and un-pythonic structure... Please
-# don't use it. The idea is to find a way to write hadware independant
-# modem intialization, so the user space can start communicating with
-# any GSM modem. I want to cover both TI Calypso and Siemens MC75i.
+"""GSM modem testing script
+This script will try to initialize the modem and then communicate with
+it. The goal is to make it work with both the TI calypso and Siemens
+MC75i modems.
+"""
+
import time
import sys
+import serial
-EA = 0x01
-CR = 0x02
-SABM = 0x2f
-PF = 0x10
-CLD = 0xC1
+import logging
+logger = logging.getLogger('test')
-crc_table = [
- 0x00, 0x91, 0xE3, 0x72, 0x07, 0x96, 0xE4, 0x75, 0x0E, 0x9F, 0xED,
- 0x7C, 0x09, 0x98, 0xEA, 0x7B, 0x1C, 0x8D, 0xFF, 0x6E, 0x1B, 0x8A,
- 0xF8, 0x69, 0x12, 0x83, 0xF1, 0x60, 0x15, 0x84, 0xF6, 0x67, 0x38,
- 0xA9, 0xDB, 0x4A, 0x3F, 0xAE, 0xDC, 0x4D, 0x36, 0xA7, 0xD5, 0x44,
- 0x31, 0xA0, 0xD2, 0x43, 0x24, 0xB5, 0xC7, 0x56, 0x23, 0xB2, 0xC0,
- 0x51, 0x2A, 0xBB, 0xC9, 0x58, 0x2D, 0xBC, 0xCE, 0x5F, 0x70, 0xE1,
- 0x93, 0x02, 0x77, 0xE6, 0x94, 0x05, 0x7E, 0xEF, 0x9D, 0x0C, 0x79,
- 0xE8, 0x9A, 0x0B, 0x6C, 0xFD, 0x8F, 0x1E, 0x6B, 0xFA, 0x88, 0x19,
- 0x62, 0xF3, 0x81, 0x10, 0x65, 0xF4, 0x86, 0x17, 0x48, 0xD9, 0xAB,
- 0x3A, 0x4F, 0xDE, 0xAC, 0x3D, 0x46, 0xD7, 0xA5, 0x34, 0x41, 0xD0,
- 0xA2, 0x33, 0x54, 0xC5, 0xB7, 0x26, 0x53, 0xC2, 0xB0, 0x21, 0x5A,
- 0xCB, 0xB9, 0x28, 0x5D, 0xCC, 0xBE, 0x2F, 0xE0, 0x71, 0x03, 0x92,
- 0xE7, 0x76, 0x04, 0x95, 0xEE, 0x7F, 0x0D, 0x9C, 0xE9, 0x78, 0x0A,
- 0x9B, 0xFC, 0x6D, 0x1F, 0x8E, 0xFB, 0x6A, 0x18, 0x89, 0xF2, 0x63,
- 0x11, 0x80, 0xF5, 0x64, 0x16, 0x87, 0xD8, 0x49, 0x3B, 0xAA, 0xDF,
- 0x4E, 0x3C, 0xAD, 0xD6, 0x47, 0x35, 0xA4, 0xD1, 0x40, 0x32, 0xA3,
- 0xC4, 0x55, 0x27, 0xB6, 0xC3, 0x52, 0x20, 0xB1, 0xCA, 0x5B, 0x29,
- 0xB8, 0xCD, 0x5C, 0x2E, 0xBF, 0x90, 0x01, 0x73, 0xE2, 0x97, 0x06,
- 0x74, 0xE5, 0x9E, 0x0F, 0x7D, 0xEC, 0x99, 0x08, 0x7A, 0xEB, 0x8C,
- 0x1D, 0x6F, 0xFE, 0x8B, 0x1A, 0x68, 0xF9, 0x82, 0x13, 0x61, 0xF0,
- 0x85, 0x14, 0x66, 0xF7, 0xA8, 0x39, 0x4B, 0xDA, 0xAF, 0x3E, 0x4C,
- 0xDD, 0xA6, 0x37, 0x45, 0xD4, 0xA1, 0x30, 0x42, 0xD3, 0xB4, 0x25,
- 0x57, 0xC6, 0xB3, 0x22, 0x50, 0xC1, 0xBA, 0x2B, 0x59, 0xC8, 0xBD,
- 0x2C, 0x5E, 0xCF
-]
-def calc_crc(msg):
- fcs = 0xff
- for c in msg:
- fcs = crc_table[fcs ^ ord(c)]
- return 0xff - fcs
-
-def format_frame(s):
- return ''.join(['%02X' % ord(c) for c in s])
-
-def send_frame(file, channel, data, type):
- msg = chr(0xf9) * 2
- print 'sending "%s"' % format_frame(msg)
- print file.write(msg)
- # Then we create the address field
- address = EA | CR | (channel & 63) << 2
- # The type field
- msg = chr(address) + chr(type)
- # CRC
- crc = chr(calc_crc(msg))
- msg = '\x7e' + msg + crc + '\x7e'
- print 'sending "%s"' % format_frame(msg)
- print file.write(msg)
-
-def chat(file, command):
- print "sending : %s" % command
- file.write('%s\n\r' % command)
- file.flush()
+def chat(modem, command):
+ """Send a command to the modem and wait for a reply
+ """
+ logger.debug("sending : %s", command)
+ modem.write('%s\r' % command)
+ modem.flush()
ret = ''
while True:
- c = file.read(1)
+ c = modem.read(1)
if not c:
break
ret += c
if ret.endswith('\r\nOK\r\n'):
break
- print "got reply : %s" % repr(ret)
+ logger.debug("got reply : %s", repr(ret))
return ret
-# Where do those sleep times come from ? Shouldn't this be done in the
-# kernel anyway ? It there a way to make modem initialization hardware
-# independant ?
-print "turn modem off"
-open('/sys/devices/platform/neo1973-pm-gsm.0/power_on', 'w').write('0')
-time.sleep(1)
-print "turn modem on"
-open('/sys/devices/platform/neo1973-pm-gsm.0/power_on', 'w').write('1')
-time.sleep(1)
-print "reset modem"
-open('/sys/devices/platform/neo1973-pm-gsm.0/reset', 'w').write('1')
-time.sleep(1)
-open('/sys/devices/platform/neo1973-pm-gsm.0/reset', 'w').write('0')
-time.sleep(4)
-# Connect to the serial port
-import serial
-modem = serial.Serial('/dev/ttySAC0', 115200, rtscts=1, timeout=1)
-print "waiting for ready msg"
-# The modem should send something after it is initialized...
-rep = modem.read(256)
-if not rep:
- print "Error no msg"
- sys.exit(-1)
-print repr(rep)
+def reset_calypso():
+ """Initialize the modem before we can start sending AT commands
-# We wake the modem up (?) Do we always have to do this ?
-chat(modem, 'AT')
+ This part of the code is specific to TI calypso modem. Maybe we
+ should modify the kernel so that we don't have to do that in user
+ space.
+ """
+ logger.debug("turn modem off")
+ open('/sys/devices/platform/neo1973-pm-gsm.0/power_on', 'w').write('0')
+ time.sleep(1)
+ logger.debug("turn modem on")
+ open('/sys/devices/platform/neo1973-pm-gsm.0/power_on', 'w').write('1')
+ time.sleep(1)
+ logger.debug("reset modem")
+ open('/sys/devices/platform/neo1973-pm-gsm.0/reset', 'w').write('1')
+ time.sleep(1)
+ open('/sys/devices/platform/neo1973-pm-gsm.0/reset', 'w').write('0')
+ time.sleep(4)
-chat(modem, 'ATZ') # reset
-chat(modem, 'ATE0') # echo off
-chat(modem, 'AT+CGMR') # get the firmware version
-ret = chat(modem, 'AT+CLAC') # get the list of AT commands
-print
-print ret
+def basic_tests(modem):
+ """Perform some basic tests that don't need a SIM card"""
+ # TODO: check the return values
+ chat(modem, 'AT+CMUX?') # Multiplexing mode (error on calypso)
+ chat(modem, 'AT+CGMM') # Model id
+ chat(modem, 'AT+CGMR') # Firmware version
+ chat(modem, 'AT+CGMI') # Manufacturer id
+ chat(modem, 'AT+IPR?') # Bit rate
+ chat(modem, 'AT+ICF?') # Character framing
+ chat(modem, 'ATS3?') # Command line term
+ chat(modem, 'ATS4?') # Response formating
+ chat(modem, 'ATS5?') # Command line editing char
+ chat(modem, 'AT+ICF?') # TE-TA char framing
+ chat(modem, 'AT+IFC?') # Flow control (calypso != MC75i)
+ chat(modem, 'AT+CSCS?') # Character set
+ chat(modem, 'AT+CFUN?') # Phone functionalities
+ chat(modem, 'AT+CLAC') # List of AT commands
+ chat(modem, 'AT+CSQ') # Signal quality
+
+def basic_sim_test(modem):
+ """Some basic tests with the SIM, but not using the GSM network.
+ """
+ chat(modem, 'AT+CIMI') # IMSI
+ chat(modem, 'AT+CPIN?') # SIM status (e.g 'READY', 'SIM PIN')
+ chat(modem, 'AT+CPBS?') # Phonebook memory storage
+ chat(modem, 'AT+CPBS="SM"')
+ chat(modem, 'AT+CPBR=?') # Phonebook entries range. May return
+ # error on calypso if phonebook is
+ # empty
+ # chat(modem, 'AT+CPBW=1,"01234",129,"hello"')
+
+
+def gsm_network_tests(modem):
+ """Some basic GSM network tests
+
+ We need to be allowed to register to a provider.
+ """
+ chat(modem, 'AT+CFUN=1') # Turn antenna on
+ chat(modem, 'AT+COPS=?') # Find all providers
+ # On the calypso it returns nothing...
+ # TODO: check that at least one provider is available
+ chat(modem, 'AT+COPS=0') # Register
+ # On the MC75i is returns OK and then try to register
+ chat(modem, 'AT+COPS?') # See provider
+
+
+USAGE = "test.py [device]"
+
+if __name__ == '__main__':
+ # The first parameter is the name of the device
+ if len(sys.argv) == 2:
+ device = sys.argv[1]
+ elif len(sys.argv) == 1:
+ device = '/dev/ttySAC0'
+ else:
+ print USAGE
+ sys.exit(-1)
+
+ logging.basicConfig(level=logging.DEBUG,
+ format='%(name)-8s %(levelname)-8s %(message)s')
+
+ logger.info("using device %s", device)
+
+# reset_calypso()
+
+ modem = serial.Serial(device, 115200, rtscts=1, timeout=5)
+ logger.debug("waiting for ready msg")
+ # The modem should send something after it is initialized...
+ rep = modem.read(256)
+ if not rep:
+ logger.error("Error no msg")
+ # sys.exit(-1)
+ logger.debug("Ready message: %s", repr(rep))
+
+ # We start by a AT command to wake up the modem
+ # (Probably only needed by TI Calypso)
+ chat(modem, 'AT')
+ chat(modem, 'ATE0') # echo off
+ chat(modem, 'ATZ') # reset
+ chat(modem, 'AT+CMEE=2') # verbose error
+
+
+ # Perform some basic tests
+ basic_tests(modem)
+ basic_sim_test(modem)
+ gsm_network_tests(modem)
+
+ # turn off the modem
+ # XXX: only work with Siemens MC75i
+ # chat(modem, 'AT^SMSO')
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