Diff: gprs.cpp

Revision:

3:48ee24a4b0f3

Parent:

2:16985da3a446

Child:

4:63a2619b423b

diff -r 16985da3a446 -r 48ee24a4b0f3 gprs.cpp
--- a/gprs.cpp	Mon Nov 18 06:05:17 2013 +0000
+++ b/gprs.cpp	Fri Jan 10 05:59:36 2014 +0000
@@ -20,39 +20,18 @@
   Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
 */
 
-#include <stdio.h>
-#include "mbed.h"
+
 #include "gprs.h"
 
-#define TRUE 					1
-#define FALSE 					0
-
-#define UART_DEBUG
-
-#ifdef UART_DEBUG
-#define ERROR(x)			printf("ERROR:%s\r\n",x)
-#define DEBUG(x)			printf("DEBUG:%s\r\n",x);
-#else
-#define ERROR(x)
-#define DEBUG(x)
-#endif
-
-#define DEFALUT_TIMEOUT   	5
-
 int GPRS::init(void)
 {
     wait(0.5);
+    sendCmd("AT+CFUN=1\r\n");
+    wait(1);
     if(0 != checkSIMStatus()) { //check SIM card status
-        ERROR("checkSIMStatus");
         return -1;
     }
     if(checkSignalStrength()<1) { //check Signal Strength
-        ERROR("Signal too weak");
-        return -1;
-    }
-
-    if(0 != networkInit()) {
-        ERROR("Network Init error");
         return -1;
     }
     return 0;
@@ -70,7 +49,7 @@
             if(i > count)break;
         }
         if(i > count)break;
-        if(timeCnt.read() > DEFALUT_TIMEOUT) {
+        if(timeCnt.read() > DEFAULT_TIMEOUT) {
             timeCnt.stop();
             timeCnt.reset();
             break;
@@ -110,7 +89,6 @@
         if(timeCnt.read() > timeout) {	// time out
             timeCnt.stop();
             timeCnt.reset();
-            ERROR("time out");
             return -1;
         }
     }
@@ -139,7 +117,6 @@
     while(count < 3) {
         sendCmd("AT+CPIN?\r\n");
         readBuffer(gprsBuffer,30);
-        //DEBUG(gprsBuffer);
         if((NULL != strstr(gprsBuffer,"+CPIN: READY"))) {
             break;
         }
@@ -148,7 +125,6 @@
     }
 
     if(count == 3) {
-        ERROR("Bad SIM Status");
         return -1;
     }
     return 0;
@@ -162,48 +138,28 @@
     while(count < 3) {
         sendCmd("AT+CSQ\r\n");
         readBuffer(gprsBuffer,25);
-        //DEBUG(gprsBuffer);
         if(sscanf(gprsBuffer, "AT+CSQ$$$$+CSQ: %d", &index)>0) {
             break;
         }
-        ERROR("checking signal strenght error, try again...");
         count++;
         wait(1);
     }
     if(count == 3) {
-        ERROR("AT+CSQ");
         return -1;
     }
     return index;
 }
 
-int GPRS::networkInit(void)
-{
-    //for GPRS
-    if(0 != sendCmdAndWaitForResp("AT+CGREG?\r\n","+CGREG: 0,1",DEFALUT_TIMEOUT)) { //Open GPRS
-        ERROR("CGREG");
-        return -1;
-    }
-    wait(1);
-    if(0 != sendCmdAndWaitForResp("AT+CGATT?\r\n","+CGATT: 1",DEFALUT_TIMEOUT)) { //Set GPRS
-        ERROR("CGATT");
-        return -1;
-    }
-    return 0;
-}
-
 int GPRS::sendSMS(char *number, char *data)
 {
     char cmd[64];
-    if(0 != sendCmdAndWaitForResp("AT+CMGF=1\r\n", "OK", DEFALUT_TIMEOUT)) { // Set message mode to ASCII
-        ERROR("CMGF");
+    if(0 != sendCmdAndWaitForResp("AT+CMGF=1\r\n", "OK", DEFAULT_TIMEOUT)) { // Set message mode to ASCII
         return -1;
     }
     wait(0.5);
     // Set the phone number
     snprintf(cmd, sizeof(cmd),"AT+CMGS=\"%s\"\r\n", number);
-    if(0 != sendCmdAndWaitForResp(cmd,">",DEFALUT_TIMEOUT)) {
-        ERROR("CMGS");
+    if(0 != sendCmdAndWaitForResp(cmd,">",DEFAULT_TIMEOUT)) {
         return -1;
     }
     wait(1);
@@ -220,17 +176,13 @@
     char *p,*s;
 
     if(sscanf(buffer, "$$+CMTI: \"SM\",%d", &index)>0) {
-        DEBUG("Opening message...");
         gprsSerial.printf("AT+CMGR=%d\r\n", index);
     } else {
-        ERROR("get Message");
+        return -1;
     }
     cleanBuffer(gprsBuffer,100);
     readBuffer(gprsBuffer,100);
-    //pc.printf(gprsBuffer); //AT+CMGR=17$$$$+CMGR: "REC UNREAD","+8613925257382","","13/11/11,10:36:13+32"$$Hello$$$$OK$$
-    DEBUG(gprsBuffer);
     if(NULL == ( s = strstr(gprsBuffer,"+CMGR: \"REC UNREAD\""))) {
-        ERROR("get CMGR error");
         return -1;
     }
 
@@ -240,7 +192,6 @@
         snprintf(number,sizeof(number),"\"+86%s\"",phoneNumber); //for China
         p = s + 20;
         if(0 != (strncmp(number,p,14))) {
-            ERROR("Phone Number error");
             return -1;
         }
     }
@@ -249,7 +200,6 @@
         message[i++] = *(p++);
     }
     message[i] = '\0';
-    DEBUG(message);
     return 0;
 }
 
@@ -264,7 +214,6 @@
 int GPRS::callUp(char *number)
 {
     if(0 != sendCmdAndWaitForResp("AT+COLP=1\r\n","OK",5)) {
-        ERROR("COLP");
         return -1;
     }
     wait(1);
@@ -311,12 +260,10 @@
 
     if(NULL != strstr(gprsBuffer,"RING")) {
         if(0 != answer()) {
-            ERROR("answer");
         }
     } else if(NULL != strstr(gprsBuffer,"$$+CMTI: \"SM\"")) { //SMS: $$+CMTI: "SM",24$$
         char message[64];
         if(0 != readSMS(gprsBuffer, message, check)) {
-            ERROR("readSMS");
         }
     }
     return 0;
@@ -328,33 +275,13 @@
 int GPRS::connectTCP(char *ip, char *port)
 {
     char cipstart[50];
-    //char ipaddr[20];
-#if 0
-    wait(1);
-    if(0 != sendCmdAndWaitForResp("AT+CSTT\r\n","OK",20)) { //Set GPRS
-        ERROR("CSTT");
-        return -1;
-    }
-    wait(1);
-    if(0 != sendCmdAndWaitForResp("AT+CIICR\r\n","OK",10)) { //Set APN
-        ERROR("CIICR");
+    if(0 != sendCmdAndWaitForResp("AT+CSTT=\"CMNET\",\"\",\"\"\r\n", "OK", 5)) {
         return -1;
     }
-    wait(2);
-    sendCmd("AT+CIFSR\r\n");
-    readBuffer(ipaddr,20);
-    DEBUG("ipaddr=");
-    DEBUG(ipaddr);
-    wait(1);
-#endif
-#if 1
     sprintf(cipstart, "AT+CIPSTART=\"TCP\",\"%s\",\"%s\"\r\n", ip, port);
-    DEBUG(cipstart);
-    if(0 != sendCmdAndWaitForResp(cipstart, "CONNECT OK", 10)) {	// connect tcp
-        ERROR("CIPSTART");
+    if(0 != sendCmdAndWaitForResp(cipstart, "OK", 5)) {
         return -1;
     }
-#endif
     return 0;
 }
 int GPRS::sendTCPData(char *data)
@@ -362,13 +289,10 @@
     char cmd[64];
     int len = strlen(data);
     snprintf(cmd,sizeof(cmd),"AT+CIPSEND=%d\r\n",len);
-    DEBUG(cmd);
-    if(0 != sendCmdAndWaitForResp(cmd,">",DEFALUT_TIMEOUT)) {
-        ERROR("CIPSEND");
+    if(0 != sendCmdAndWaitForResp(cmd,">",DEFAULT_TIMEOUT)) {
         return -1;
     }
-    if(0 != sendCmdAndWaitForResp(data,"SEND OK",DEFALUT_TIMEOUT)) {
-        ERROR("SendTCPData");
+    if(0 != sendCmdAndWaitForResp(data,"OK",DEFAULT_TIMEOUT)) {
         return -1;
     }
     return 0;