nick
/
EMF_Camp_Badge
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

Update sim800.py 

Added GPRS support, `setup_gprs()` will prepare the sim800 for data, `connect_gprs("hologram")` will connect to the hologram APN
Also added a function to start a tcp server on the SIM 800 using `start_server(4010)` to listen on port 4010, the payload will be a binary object passed to whatever is defined as `server_callback`
sammachin-gprs
Sam Machin 2018-09-11 19:04:26 +01:00 committed by GitHub
parent 76463fe172
commit a19445f862
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 10 additions and 10 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

20
lib/sim800.py
View File

@ -108,10 +108,10 @@ def processcallbacks(line):
btpairing = line[11:].strip()
# Handle TCP Server Data
if line.startswith("+RECEIVE"):
dlen = int(line.split(",")[2].rstrip(":"))
dlen = int(line.split(",")[2].rstrip(":"))+1
payload = uart.read(dlen)
if server_callback:
micropython.schedule(server_callback, payload)
micropython.schedule(server_callback, payload[1:])
# Check for app callbacks
for entry in callbacks:
if line.startswith(entry[0]):
@ -857,18 +857,18 @@ def endbuttonpressed_internal(nullparam=None):
#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)
command("AT+CIPSHUT", response_timeout=60000, custom_endofdata="SHUT OK")
command("AT+CGATT?", response_timeout=10000)
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")
command("AT+CSTT=\""+apn+"\"", response_timeout=10000)
command("AT+CIICR", response_timeout=10000)
command("AT+CIFSR")
def start_server(port):
sim800.command("AT+CIPSERVER=1,"+port, response_timeout=10000)
sim800.registercallback('+RECEIVE', handle_data)
command("AT+CIPSERVER=1,"+port, response_timeout=10000)
# Startup...
# Start turning on the SIM800 asynchronously