Seeed
a library to use GPRS like ethernet or wifi, which makes it possible to connect to the internet with your GPRS module
Dependencies: BufferedSerial
Dependents: ThinkSpeak_Test roam_v1 roam_v2 finalv3
Fork of
GPRSInterface
by 
wei zou
Diff: GPRS/GPRS.cpp
- Revision:
- 11:0184e407128e
- Parent:
- 9:38800611a613
- Child:
- 13:379ce1d51b88
diff -r 652c23d73373 -r 0184e407128e GPRS/GPRS.cpp
--- a/GPRS/GPRS.cpp Tue Mar 10 02:57:52 2015 +0000
+++ b/GPRS/GPRS.cpp Tue Mar 10 03:04:27 2015 +0000
@@ -144,16 +144,20 @@
char cmd[16];
char resp[96];
snprintf(cmd,16,"AT+CIPSTATUS=%d\r\n",socket);
- sendCmd(cmd);
- readBuffer(resp,sizeof(resp),DEFAULT_TIMEOUT);
- if(NULL != strstr(resp,"CONNECTED")) {
- //+CIPSTATUS: 1,0,"TCP","216.52.233.120","80","CONNECTED"
- return true;
- } else {
- //+CIPSTATUS: 1,0,"TCP","216.52.233.120","80","CLOSED"
- //+CIPSTATUS: 0,,"","","","INITIAL"
- return false;
+ for (int i = 0; i < 3; i++) {
+ sendCmd(cmd);
+ readBuffer(resp,sizeof(resp),DEFAULT_TIMEOUT);
+ if(NULL != strstr(resp,"CONN")) {
+ //+CIPSTATUS: 1,0,"TCP","216.52.233.120","80","CONNECTED"
+ return true;
+ } else if (NULL != strstr(resp,"CLOSE")) {
+ //+CIPSTATUS: 1,0,"TCP","216.52.233.120","80","CLOSED"
+ //+CIPSTATUS: 0,,"","","","INITIAL"
+ return false;
+ }
}
+
+ return false;
}
void GPRS::reset()