Components / GSM

A library for the SIM900 module to enable calling, answering, sending and receiving SMS messages

Dependents:   Seeed_GPRS_Shield_GSM BluetoothNONIN HealthCare_Graduation

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API Documentation at this revision

Revision 5:ac2342f162fa, committed 2014-01-22

Comitter:
lawliet
Date:
Wed Jan 22 02:04:57 2014 +0000
Parent:
4:63a2619b423b
Child:
6:e508f9ee7922
Commit message:
version 2.1 (add network APN setting)

Changed in this revision

gprs.cpp Show annotated file Show diff for this revision Revisions of this file
gprs.h Show annotated file Show diff for this revision Revisions of this file 
--- a/gprs.cpp	Tue Jan 21 06:44:58 2014 +0000
+++ b/gprs.cpp	Wed Jan 22 02:04:57 2014 +0000
@@ -281,15 +281,26 @@
     }
 }
 
+int GPRS::networkInit(char* apn, char* userName, char* passWord)
+{
+    char cstt[64];
+    snprintf(cstt,sizeof(cstt),"AT+CSTT=\"%s\",\"%s\",\"%s\"\r\n",apn,userName,passWord);
+    if(0 != sendCmdAndWaitForResp(cstt, "OK", DEFAULT_TIMEOUT)) {
+        return -1;
+    }
+    return 0;
+}
 
 int GPRS::connectTCP(char *ip, char *port)
 {
-    char cipstart[50];
+    char cipstart[64];
+#if 0
     if(0 != sendCmdAndWaitForResp("AT+CSTT=\"CMNET\",\"\",\"\"\r\n", "OK", 5)) {
         return -1;
     }
+#endif
     sprintf(cipstart, "AT+CIPSTART=\"TCP\",\"%s\",\"%s\"\r\n", ip, port);
-    if(0 != sendCmdAndWaitForResp(cipstart, "OK", 5)) {
+    if(0 != sendCmdAndWaitForResp(cipstart, "OK", DEFAULT_TIMEOUT)) {
         return -1;
     }
     return 0;

--- a/gprs.h	Tue Jan 21 06:44:58 2014 +0000
+++ b/gprs.h	Wed Jan 22 02:04:57 2014 +0000
@@ -135,6 +135,12 @@
      */
     int loopHandle(void);
 
+    /** gprs network init
+     *  @param *apn Access  Point Name to connect network
+     *  @param *userName    general is empty
+     *  @param *passWord    general is empty
+     */
+    int networkInit(char* apn, char* userName = NULL, char* passWord = NULL);
     /** build TCP connect
      *  @param  *ip    ip address which will connect to
      *  @param  *port   TCP server' port number