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Update sim800.py 

Added functions to setup and connect GPRS data, starting a TCP server and callback handler for server data
sammachin-gprs
Sam Machin 2018-09-11 08:15:27 +01:00 committed by GitHub
parent 49125fc3d2
commit 76463fe172
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1 changed files with 21 additions and 0 deletions
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21
lib/sim800.py
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@ -25,6 +25,7 @@ dirtybuffer = False # Flag if the buffer could have residual end of reresponsesp
# A list of callback functions
callbacks = []
server_callback = None
# Globals for remembering callback data
clip = ""
@ -105,6 +106,12 @@ def processcallbacks(line):
# Check for Bluetooth pairing request
if line.startswith("+BTPAIRING:"):
btpairing = line[11:].strip()
# Handle TCP Server Data
if line.startswith("+RECEIVE"):
dlen = int(line.split(",")[2].rstrip(":"))
payload = uart.read(dlen)
if server_callback:
micropython.schedule(server_callback, payload)
# Check for app callbacks
for entry in callbacks:
if line.startswith(entry[0]):
@ -847,7 +854,21 @@ def callbuttonpressed_internal(nullparam=None):
def endbuttonpressed_internal(nullparam=None):
hangup()
#GPRS and TCP server functions
def setup_gprs():
sim800.command("AT+CIPSHUT", response_timeout=60000, custom_endofdata="SHUT OK")
sim800.command("AT+CGATT?", response_timeout=10000)
sim800.command("AT+CIPMUX=1", response_timeout=10000)
def connect_gprs(apn):
sim800.command("AT+CSTT=\""+apn+"\"", response_timeout=10000)
sim800.command("AT+CIICR", response_timeout=10000)
sim800.command("AT+CIFSR")
def start_server(port):
sim800.command("AT+CIPSERVER=1,"+port, response_timeout=10000)
sim800.registercallback('+RECEIVE', handle_data)
# Startup...
# Start turning on the SIM800 asynchronously