Diff: GSM.cpp

Revision:

11:c93524a12e92

Parent:

10:24671d8aa0c9

--- a/GSM.cpp	Tue May 13 14:43:57 2014 +0000
+++ b/GSM.cpp	Sat Oct 03 14:43:26 2020 +0000
@@ -21,6 +21,61 @@
 */
 #include "GSM.h"
 
+void cleanBuffer(char *buffer, int count)
+{
+    for(int i=0; i < count; i++) {
+        buffer[i] = '\0';
+    }
+}
+
+int GSM::unlock(char *PIN)
+{
+    
+    char cmd[32];
+    char gprsBuffer[30];
+    int count = 0;
+    cleanBuffer(gprsBuffer,30);
+    snprintf(cmd, sizeof(cmd),"AT+CPIN=%s\r\n", PIN);
+    wait(1);
+    sendCmdAndWaitForResp(cmd, "OK");
+    while(count < 3) {
+    	//wait(1);
+    	sendCmd("AT+CPIN?\r\n");
+       	readBuffer(gprsBuffer,30);
+    	//wait(1);
+       	if((NULL != strstr(gprsBuffer,"+CPIN: READY"))) {
+           	return 0;
+       	}
+    	count++;
+       	wait(1);
+    }
+    return -1; // too many tries
+}
+
+int GSM::powerOn(void)
+{
+	int count = 0;
+	while (0 != powerCheck()) {
+		PWK = 1;
+		count ++;
+		wait(0.5);
+		if (count > 3) return -1;
+	}
+	PWK = 0;
+	return 0;
+}
+
+int GSM::powerOff(void)
+{
+	while(0 == powerCheck()) {
+		sendCmdAndWaitForResp("AT+QPOWD=1\r", "OK");
+		wait(0.1);
+	}
+	return 0;
+}
+
+
+
 int GSM::readBuffer(char *buffer,int count)
 {
     int i = 0;
@@ -40,19 +95,12 @@
         }
     }
     wait(0.5);
-    while(gprsSerial.readable()) {	// display the other thing..
+    while(gprsSerial.readable()) {		// display the other thing..
         char c = gprsSerial.getc();
     }
     return 0;
 }
 
-void cleanBuffer(char *buffer, int count)
-{
-    for(int i=0; i < count; i++) {
-        buffer[i] = '\0';
-    }
-}
-
 void GSM::sendCmd(char *cmd)
 {
     gprsSerial.puts(cmd);
@@ -76,7 +124,7 @@
             return -1;
         }
     }
-    timeCnt.stop();                	// stop timer
+    timeCnt.stop();                		// stop timer
     timeCnt.reset();             		// clear timer
     while(gprsSerial.readable()) {  	// display the other thing..
         char c = gprsSerial.getc();
@@ -93,23 +141,23 @@
 
 int GSM::powerCheck(void)
 {
-	return sendCmdAndWaitForResp("AT\r\n", "OK", 2);	
+	return sendCmdAndWaitForResp("AT\r\n", "OK", 2);
 }
 
 int GSM::init(void)
 {
     for(int i = 0; i < 3; i++){
-    	sendCmdAndWaitForResp("AT\r\n", "OK", DEFAULT_TIMEOUT);
+    	sendCmdAndWaitForResp("AT\r\n", "OK");
     	wait(0.5);
     }
     if(0 != checkSIMStatus()) {
         return -1;
     }
     if(checkSignalStrength()<1) {
-        return -1;
+        return -2;
     }
     if(0 != settingSMS()) {
-        return -1;
+        return -3;
     }
     return 0;
 }
@@ -119,6 +167,7 @@
     char gprsBuffer[30];
     int count = 0;
     cleanBuffer(gprsBuffer,30);
+    
     while(count < 3) {
         sendCmd("AT+CPIN?\r\n");
         readBuffer(gprsBuffer,30);
@@ -149,7 +198,7 @@
         count++;
         wait(1);
     }
-    if(count == 3) {
+    if(count == 10) {
         return -1;
     }
     return index;
@@ -157,11 +206,12 @@
 
 int GSM::settingSMS(void)
 {
-    if(0 != sendCmdAndWaitForResp("AT+CNMI=2,2\r\n", "OK", DEFAULT_TIMEOUT)) {
+    if(0 != sendCmdAndWaitForResp("AT+CMGF=1\r\n", "OK")) {
         return -1;
     }
-    if(0 != sendCmdAndWaitForResp("AT+CMGF=1\r\n", "OK", DEFAULT_TIMEOUT)) {
-        return -1;
+    if(0 != sendCmdAndWaitForResp("AT+CNMI=2,2\r\n", "OK")) {	//AT+CNMI=2,2
+    
+        return -2;
     }
     return 0;
 }
@@ -172,8 +222,8 @@
     while(gprsSerial.readable()) {
         char c = gprsSerial.getc();
     }
-    snprintf(cmd, sizeof(cmd),"AT+CMGS=\"%s\"\r\n",number);
-    if(0 != sendCmdAndWaitForResp(cmd,">",DEFAULT_TIMEOUT)) {
+    snprintf(cmd, sizeof(cmd), "AT+CMGS=\"%s\"\r\n", number);
+    if(0 != sendCmdAndWaitForResp(cmd, ">")) {
         return -1;
     }
     wait(1);
@@ -294,7 +344,7 @@
 {
     char cstt[64];
     snprintf(cstt,sizeof(cstt),"AT+CSTT=\"%s\",\"%s\",\"%s\"\r\n",apn,userName,passWord);
-    if(0 != sendCmdAndWaitForResp(cstt, "OK", DEFAULT_TIMEOUT)) {
+    if(0 != sendCmdAndWaitForResp(cstt, "OK")) {
         return -1;
     }
     return 0;
@@ -309,7 +359,7 @@
     }
 #endif
     sprintf(cipstart, "AT+CIPSTART=\"TCP\",\"%s\",\"%s\"\r\n", ip, port);
-    if(0 != sendCmdAndWaitForResp(cipstart, "OK", DEFAULT_TIMEOUT)) {
+    if(0 != sendCmdAndWaitForResp(cipstart, "OK")) {
         return -1;
     }
     return 0;
@@ -319,10 +369,10 @@
     char cmd[64];
     int len = strlen(data);
     snprintf(cmd,sizeof(cmd),"AT+CIPSEND=%d\r\n",len);
-    if(0 != sendCmdAndWaitForResp(cmd,">",DEFAULT_TIMEOUT)) {
+    if(0 != sendCmdAndWaitForResp(cmd,">")) {
         return -1;
     }
-    if(0 != sendCmdAndWaitForResp(data,"OK",DEFAULT_TIMEOUT)) {
+    if(0 != sendCmdAndWaitForResp(data,"OK")) {
         return -1;
     }
     return 0;