Update Call

main.c

@@ -1,9 +1,9 @@
 /*
-* File:   main.c
+ * File:   main.c
-* Author: Bruno Rybársky
+ * Author: Bruno Rybársky
-*
+ *
-* Created on November 17, 2022, 12:49 PM
+ * Created on November 17, 2022, 12:49 PM
-*/
+ */
 
 //PINS
 //GP0 - Button 1
@@ -104,14 +104,13 @@
 /* These are the definitions */
 
 const char String1[3] = "OK"; //ok response
-const char String2[11] = "NO CARRIER"; //call state change
+const char String2[27] = "+CLIP: \"+421905708125\",145"; //call state change
-const char String3[6] = "ERROR"; //ok response
 const char String4[10] = "SMS Ready"; //modem startup
 
 const char StringDial[14] = "+421905708125";
 
 //#define TMR0_BAUD (256-133) /* trial and error value, comes to 3603 Baud */
-#define TMR0_BAUD (256-133) /* trial and error value, comes to 3603 Baud */
+#define TMR0_BAUD (256-128) /* trial and error value, comes to 3603 Baud */
 
 #define TxBUF_SIZE 32
 #define RxBufSize 8
@@ -136,6 +135,7 @@ volatile char TxCount;
 volatile char RxFlags;
 volatile char RxBufDiff;
 volatile char InChar;
+volatile char turnOffCounter = 0;
 
 //start parsing serial data:
 
@@ -166,6 +166,7 @@ volatile char Millis = 0;
 /* processor). When a character has been added, the "new data" flag is */
 /* set to tell the interrupt routine to restart sending data. */
 /* Note: data can be added to the buffer faster than the interrupt */
+
 /* routine can transmit it */
 
 void SendChar(char c) {
@@ -205,7 +206,7 @@ void __interrupt()isr(void) {
             // Debouncing code sampling GPIO2 only runs when Millis overflows
             //if ((GPIOtemp & 0x0D) != (GPIO & 0x0D)) { // compare current input with last round
 
-            if ((GPIO & 0x03) != GPIOold){
+            if ((GPIO & 0x03) != GPIOold) {
                 GPIOtemp = (GPIO & 0x03) ^ GPIOold;
                 GPIOold = GPIO & 0x03;
                 // GPIO2 changed, perform debouncing
@@ -227,8 +228,10 @@ void __interrupt()isr(void) {
                     }
                 }
             }
+            if (turnOffCounter > 0 && !--turnOffCounter) {
+                GPIO &= 0xFD;
+            }
         }
-
 
         // Routine to receive asynchronous data from GPIO5
         // credit: http://www.electro-tech-online.com/micro-controllers/18828-finding-serial-start-bit-bit-banging.html#post117227
@@ -356,28 +359,25 @@ void init(void) {
     OSCCONbits.IRCF2 = 1;
     TRISIObits.TRISIO5 = 1;
     TRISIObits.TRISIO4 = 0;
-    TRISIObits.TRISIO1 = 1;
+    TRISIObits.TRISIO1 = 0;
     TRISIObits.TRISIO0 = 1;
-    WPUbits.WPU1 = 1;
     WPUbits.WPU0 = 1;
     ADCON0bits.ADON = 0;
     ANSELbits.ANS0 = 0;
     ANSELbits.ANS1 = 0;
     ANSELbits.ANS2 = 0;
     ANSELbits.ANS3 = 0;
-
+    GPIObits.GP1 = 0;
-
 }
 
-int startSMS() {
+void startSMS(const int flagBit) {
     if (FlagC & (1 << 3)) {
         SendString("AT+CMGS=\"");
         SendString(StringDial);
         SendString("\"\n");
         Flag3 |= (1 << 5);
-        return 1;
+        Flag4 |= (1 << flagBit);
     }
-    return 0;
 }
 
 void processString(const char *string, volatile char *inputCharacter, const int flagBit) {
@@ -388,6 +388,11 @@ void processString(const char *string, volatile char *inputCharacter, const int
             if (flagBit == 3) {
                 SendString("AT+CMGF=1\r\n");
             }
+            if (flagBit == 1) {
+                GPIO |= 0x02;
+                turnOffCounter = 100;
+                SendString("ATH\n");
+            }
         }
         if (*inputCharacter != string[messagePointer]) {
             Flag2 &= ~(1 << flagBit);
@@ -398,9 +403,7 @@ void processString(const char *string, volatile char *inputCharacter, const int
 void handleGPIO(const int pin, const int flagBit) {
     if (GPIOdeb & (1 << pin)) {
         GPIOdeb &= ~(1 << pin);
-        if(startSMS()){
+        startSMS(flagBit);
-            Flag4 |= (1 << flagBit);
-        }
     }
 }
 
@@ -408,11 +411,8 @@ void main(void) {
     init();
     SendChar('\n');
     while (1) {
-
+        handleGPIO(4, 0);
-        handleGPIO(6, 0);
+        handleGPIO(5, 1);
-        handleGPIO(7, 1);
-        handleGPIO(4, 2);
-        handleGPIO(5, 3);
 
         if (RxIPtr != RxIPtr_old) {
             if (RxIPtr < RxIPtr_old) {
@@ -430,25 +430,15 @@ void main(void) {
                         if (Flag3 & (1 << 5)) {
 
                             if (Flag4 & (1 << 0)) {
-                                SendString("1 ON");
+                                SendString("ON");
                                 Flag4 &= ~(1 << 0);
                             }
 
                             if (Flag4 & (1 << 1)) {
-                                SendString("1 OFF");
+                                SendString("OFF");
                                 Flag4 &= ~(1 << 1);
                             }
 
-                            if (Flag4 & (1 << 2)) {
-                                SendString("2 ON");
-                                Flag4 &= ~(1 << 2);
-                            }
-
-                            if (Flag4 & (1 << 3)) {
-                                SendString("2 OFF");
-                                Flag4 &= ~(1 << 3);
-                            }
-
                             SendChar(26);
                             Flag3 &= ~(1 << 5);
                         }
@@ -456,7 +446,6 @@ void main(void) {
 
                     processString(String1, &InChar, 0);
                     processString(String2, &InChar, 1);
-                    processString(String3, &InChar, 2);
                     processString(String4, &InChar, 3);
 
                     messagePointer++;