Diff: main.cpp

Revision:

0:99755688c5bf

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Fri Dec 05 00:57:57 2014 +0000
@@ -0,0 +1,269 @@
+#include "mbed.h"
+#include "DebouncedIn.h"
+#include "stdio.h"
+#include "string.h"
+
+#define DEFAULT_TIMEOUT         5
+#define SMS_MAX_LENGTH          16
+#define MESSAGE_SMS             1
+
+// DECLARACION VARIABLES
+DigitalOut Led1(LED1);
+DigitalOut Led2(LED2);
+DigitalOut Led3(LED3);
+DebouncedIn button1(PTC12);  //señal que inicia el envio del mensaje
+Serial gprsSerial(PTE0,PTE1); //Configura puerto UART de la FRDMKL25Z
+Serial pc(USBTX,USBRX);//Configura puerto USB a la consola serial del PC conectado.
+Timer timeCnt;
+char messageBuffer[SMS_MAX_LENGTH];
+
+
+///////// FUNCIONES 
+
+int readBuffer(char *buffer,int count)
+{
+    int i = 0;
+    timeCnt.start();  // start timer
+    while(1) {
+        while (gprsSerial.readable()) {
+            char c = gprsSerial.getc();
+            if (c == '\r' || c == '\n') c = '$';
+            buffer[i++] = c;
+            if(i > count)break;
+        }
+        if(i > count)break;
+        if(timeCnt.read() > DEFAULT_TIMEOUT) {
+            timeCnt.stop();
+            timeCnt.reset();
+            break;
+        }
+    }
+    wait(0.5);
+    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 sendCmd(char *cmd)
+{
+    gprsSerial.puts(cmd);
+}
+
+int waitForResp(char *resp, int timeout)
+{
+    int len = strlen(resp);
+    int sum=0;
+    timeCnt.start();
+
+    while(1) {
+        if(gprsSerial.readable()) {
+            char c = gprsSerial.getc();
+            sum = (c==resp[sum]) ? sum+1 : 0;
+            if(sum == len)break;
+        }
+        if(timeCnt.read() > timeout) {  // time out
+            timeCnt.stop();
+            timeCnt.reset();
+            return -1;
+        }
+    }
+    timeCnt.stop();                 // stop timer
+    timeCnt.reset();                    // clear timer
+    while(gprsSerial.readable()) {      // display the other thing..
+        char c = gprsSerial.getc();
+    }
+
+    return 0;
+}
+
+int sendCmdAndWaitForResp(char *cmd, char *resp, int timeout)
+{
+    sendCmd(cmd);
+    pc.printf("%s\r\n", cmd);
+    return waitForResp(resp,timeout);
+}
+
+int powerCheck(void)
+{
+    return sendCmdAndWaitForResp("AT\r\n", "OK", 2);    
+}
+
+int settingSMS(void)
+{
+    if(0 != sendCmdAndWaitForResp("AT+CNMI=1,1\r\n", "OK", DEFAULT_TIMEOUT)) {
+        return -1;
+    }
+    if(0 != sendCmdAndWaitForResp("AT+CMGF=0\r\n", "OK", DEFAULT_TIMEOUT)) {
+        return -1;
+    }
+    return 0;
+}
+
+int init(void)
+{
+   // for(int i = 0; i < 3; i++){
+        sendCmdAndWaitForResp("AT\r\n", "OK", DEFAULT_TIMEOUT);
+        wait(0.5);
+   // }
+    
+    if(0 != settingSMS()) {
+        return -1;
+    }
+    return 0;
+}
+
+int sendSMS(char *number, char *data)
+{
+    char cmd[64];
+    while(gprsSerial.readable()) {
+        char c = gprsSerial.getc();
+    }
+    //snprintf(cmd, sizeof(cmd),"AT+CMGS=\"%s\"\r\n",number);
+    snprintf(cmd, sizeof(cmd),"AT+CMGS=%s\r\n",number);    // ARREGLADO
+
+    if(0 != sendCmdAndWaitForResp(cmd,">",DEFAULT_TIMEOUT)) {
+        return -1;
+    }
+    wait(1);
+    gprsSerial.puts(data);
+    pc.printf("%s",data); // LO PUSIMOS******
+    gprsSerial.putc((char)0x1a);
+    return 0;
+}
+
+int readSMS(char *message, int index)
+{
+    int i = 0;
+    char gprsBuffer[100];
+    char *p,*s;
+    gprsSerial.printf("AT+CMGR=%d\r\n",index);
+    cleanBuffer(gprsBuffer,100);
+    readBuffer(gprsBuffer,100);
+    if(NULL == ( s = strstr(gprsBuffer,"+CMGR"))) {
+        return -1;
+    }
+    if(NULL != ( s = strstr(gprsBuffer,"+32"))) {
+        p = s + 6;
+        while((*p != '$')&&(i < SMS_MAX_LENGTH-1)) {
+            message[i++] = *(p++);
+            pc.printf("%c",*p); //                                              ARREGLADO*****
+        }
+        message[i] = '\0';
+    }
+    return 0;
+}
+
+int deleteSMS(int index)
+{
+    char cmd[32];
+    snprintf(cmd,sizeof(cmd),"AT+CMGD=%d\r\n",index);
+    sendCmd(cmd);
+    return 0;
+}
+
+int getSMS(char* message)
+{
+    if(NULL != messageBuffer) {
+        strncpy(message,messageBuffer,SMS_MAX_LENGTH);
+    }
+    return 0;
+}
+
+int loopHandle(void)
+{
+    char gprsBuffer[100];
+    int i;
+    char *s = NULL;
+    while(gprsSerial.readable()) {
+        char c = gprsSerial.getc();
+    }
+    wait(0.5);
+START:
+    cleanBuffer(gprsBuffer,100);
+    i = 0;
+    while(1) {
+        if(gprsSerial.readable()) {
+            timeCnt.start();  // start timer
+            while(1) {
+                while (gprsSerial.readable()) {
+                    char c = gprsSerial.getc();
+                    if (c == '\r' || c == '\n') c = '$';
+                    gprsBuffer[i] = c;
+                    pc.printf("%c",gprsBuffer[i]); // NOSOTROS LO PUSIMOS******
+                    i++;
+                    if(i > 100) {
+                        i = 0;
+                        break;
+                    }
+                }
+                if(timeCnt.read() > 2) {          // time out
+                    timeCnt.stop();
+                    timeCnt.reset();
+                    break;
+                }
+                
+            }
+            break;
+        }
+    }
+        if(NULL != (s = strstr(gprsBuffer,"+CMT"))) { //SMS: $$+CMTI: "SM",24$$
+        if(NULL != (s = strstr(gprsBuffer,"+32"))) {
+            s += 6;
+            int i = 0;
+            cleanBuffer(messageBuffer,SMS_MAX_LENGTH);
+            while((*s != '$')&&(i < SMS_MAX_LENGTH-1)) {
+                messageBuffer[i++] = *(s++);
+               pc.printf("%c",*s); //                                              ARREGLADO*****
+            }
+            messageBuffer[i] = '\0';
+            return MESSAGE_SMS;
+        } else {
+            goto START;
+        }
+    } else {
+        goto START;
+    }
+}
+
+//////// MAIN
+
+int main(){
+    
+    gprsSerial.baud(9600);//configura los baudios de la FRDMKL25Z en 9600
+    gprsSerial.format(8,Serial::None,1); //configura el formato de los datos de la UART
+    
+    Led1=Led2=Led3=1;
+          
+    init();
+    Led1=0;
+    
+    loopHandle();
+    
+    
+    while(1){
+
+//ENVIAR
+ 
+    if (button1.falling()){
+        
+        Led2=0;
+        //sendSMS("20","0011000A9103218548570000AA08416650DA0C8262");
+        
+        }//If button1.falling
+    
+//RECIBIR
+
+
+    
+    }//While principal
+} // Main
+
+