Hi,

I have problem after first boot or reboot rasperry, log:

root@raspberrypi:/sim-module# ./test_imei_retrieving.py
[2015-08-24 02:04:06,054] INFO: opening port
[2015-08-24 02:04:06,059] INFO: initializing SIM900 session
[2015-08-24 02:04:06,236] ERROR: 'ascii' codec can't decode byte 0xe6 in position 0: ordinal not in range(128)
[2015-08-24 02:04:06,452] ERROR: 'ascii' codec can't decode byte 0x80 in position 0: ordinal not in range(128)
[2015-08-24 02:04:06,667] ERROR: 'ascii' codec can't decode byte 0x98 in position 0: ordinal not in range(128)
[2015-08-24 02:04:06,882] ERROR: 'ascii' codec can't decode byte 0x80 in position 0: ordinal not in range(128)
[2015-08-24 02:04:07,097] ERROR: 'ascii' codec can't decode byte 0xf8 in position 0: ordinal not in range(128)
[2015-08-24 02:04:07,300] ERROR: error initializing session: 'ascii' codec can't decode byte 0xf8 in position 0: ordinal not in range(128)
DONE
root@raspberrypi:/sim-module# ./test_imei_retrieving.py
[2015-08-24 02:04:10,274] INFO: opening port
[2015-08-24 02:04:10,278] INFO: initializing SIM900 session
[2015-08-24 02:04:10,531] INFO: Disabling echo, calling 'ATE0'
[2015-08-24 02:04:11,365] INFO: retrieving IMEI
[2015-08-24 02:04:11,454] INFO: IMEI = xxxxxxxxxxxxxxxx
DONE
root@raspberrypi:~/sim-module# ./test_imei_retrieving.py
[2015-08-24 02:04:16,471] INFO: opening port
[2015-08-24 02:04:16,475] INFO: initializing SIM900 session
[2015-08-24 02:04:16,937] INFO: retrieving IMEI
[2015-08-24 02:04:17,006] INFO: IMEI = xxxxxxxxxxxxxxxx
DONE
[now still all right]

Second reboot, log:

root@raspberrypi:/sim-module# ./test_imei_retrieving.py
[2015-08-24 01:57:32,008] INFO: opening port
[2015-08-24 01:57:32,013] INFO: initializing SIM900 session
[2015-08-24 01:57:32,195] ERROR: 'ascii' codec can't decode byte 0xe6 in position 0: ordinal not in range(128)
[2015-08-24 01:57:32,411] ERROR: 'ascii' codec can't decode byte 0x80 in position 0: ordinal not in range(128)
[2015-08-24 01:57:32,626] ERROR: 'ascii' codec can't decode byte 0x98 in position 0: ordinal not in range(128)
[2015-08-24 01:57:32,842] ERROR: 'ascii' codec can't decode byte 0x80 in position 0: ordinal not in range(128)
[2015-08-24 01:57:33,057] ERROR: 'ascii' codec can't decode byte 0xf8 in position 0: ordinal not in range(128)
[2015-08-24 01:57:33,261] ERROR: error initializing session: 'ascii' codec can't decode byte 0xf8 in position 0: ordinal not in range(128)
DONE
root@raspberrypi:/sim-module# ./test_imei_retrieving.py
[2015-08-24 01:57:48,549] INFO: opening port
[2015-08-24 01:57:48,554] INFO: initializing SIM900 session
[2015-08-24 01:57:48,751] INFO: Disabling echo, calling 'ATE0'
[2015-08-24 01:57:49,422] ERROR: Wrong response for PIN state request
[2015-08-24 01:57:49,425] ERROR: error initializing session: Wrong response for PIN state request
DONE
root@raspberrypi:~/sim-module# ./test_imei_retrieving.py
[2015-08-24 01:57:56,339] INFO: opening port
[2015-08-24 01:57:56,343] INFO: initializing SIM900 session
[2015-08-24 01:57:56,810] INFO: retrieving IMEI
[2015-08-24 01:57:56,882] INFO: IMEI = xxxxxxxxxxxxxxxx
DONE
[now still all right]

Configuration:
Raspberry Pi A version with SIM900 GSM/GPRS Add-On v1.0,
/boot/cmdline.txt
dwc_otg.lpm_enable=0 console=tty1 root=/dev/mmcblk0p2 rootfstype=ext4 elevator=deadline rootwait
/etc/inittab

T0:23:respawn:/sbin/getty -L ttyAMA0 9600 vt100

Thank you and best regards.

Is there a specific reason to return twice the amount of time (return secs*1000 + msecs)?

def timeDelta(timeBegin):
end = time.time()
secs = end - timeBegin
msecs = (end - timeBegin) * 1000.0

return secs*1000 + msecs

Would be nice to be able to pip install this library.

Hello,

I have problem with install on Raspbeerry Pi:

root@raspberrypi:~# pip install https://github.com/JFF-Bohdan/sim-module/archive/master.zip
Downloading/unpacking https://github.com/JFF-Bohdan/sim-module/archive/master.zip
Downloading master.zip
Running setup.py egg_info for package from https://github.com/JFF-Bohdan/sim-module/archive/master.zip
Traceback (most recent call last):
File "", line 14, in
IOError: [Errno 2] No such file or directory: '/tmp/pip-fQkan7-build/setup.py'
Complete output from command python setup.py egg_info:
Traceback (most recent call last):

File "", line 14, in

IOError: [Errno 2] No such file or directory: '/tmp/pip-fQkan7-build/setup.py'

Command python setup.py egg_info failed with error code 1 in /tmp/pip-fQkan7-build
Storing complete log in /root/.pip/pip.log

Please tell me how install this library correctly ?

Thank you and Best regards

Did you write some documentation of this module?
I want to use this in my project, but I have no idea how to use this.
Thanks

$: python test_basic_class.py
Traceback (most recent call last):
File "test_basic_class.py", line 3, in
from test_shared import *
File "/root/istp_prototype/sim-module/test_shared.py", line 4, in
from lib.sim900.gsm import SimGsm, SimGsmPinRequestState
File "/root/istp_prototype/sim-module/lib/sim900/gsm.py", line 114
def print(self, commandString, encoding = "ascii"):
^
SyntaxError: invalid syntax

Why is this error coming?

Hi

Every class i try to use it keeps kicking out this "ERROR: error initializing session:"

Using Raspberry pi 3 and very confused. Can you help me out?

hello when i lunch the script e say this :
[2016-07-14 16:11:01,374] INFO: opening port
[2016-07-14 16:11:01,376] ERROR: exception till port openning: could not open port com22: [Errno 2] No such file or directory: 'com22'
[2016-07-14 16:11:01,377] ERROR: error opening port: exception till port openning: could not open port com22: [Errno 2] No such file or directory: 'com22'
DONE

I have a mobile subscription with slow data rate (cheap and enough for the task at hand)
Otherwise worked well but I had to do a bit of tinkering with the library because of some timeout issues.

gsm.py
__sendRawBytes timed out. I had to increase the maxWaitTime in __sendRawBytes since write functions don't have time out parametes. Only read functions have time out parameters. Sorry I can't remember exactly why it timed out...
Also added a delay to while loop in __sendRawBytes every 500 bytes to keep send buffer from filling up.

I also made slower functions for data transfer related functions to increase timeout time and ease load on raspberry by not constantly checking read buffer.
readLnSlow()
readDataLineSlow()
These are with timout * 10 and a 0.5 sec delay before checking serial input

inetgsm.py
bug
def __parseHttpResult(self, httpResult, bearerChannel = None):
...
if response[0] != str(bearerChannel):

I don't think the first parameter after +HTTPACTION: is bearerChannel.
SIM900_AT commands manual_V1.11 page 225.
It works only if you happen to have the right bearerChannel.

httpPOST() had the worst timeout problems for me.
After sending data the OK takes a while to come back.

Worst was after sending POST data and AT+HTTPACTION=1. The HTTP request result takes an even longer while to come back.
I had to change

reading HTTP request result

dataLine = self.readDataLine(15000)

to 25000 timeout and also used my readDataLineSlow() with even more delay built in.

But like I said otherwise worked well. Good job and thanks.