Diff: main.cpp

Revision:

5:5bf6cd9dffb7

Parent:

4:ab83633679f4

Child:

6:9a905505f955

--- a/main.cpp	Tue Feb 11 10:19:43 2020 +0000
+++ b/main.cpp	Wed Feb 12 04:54:34 2020 +0000
@@ -20,6 +20,36 @@
 DigitalIn g_dpinIrReceiver(D2);
 Serial g_serial(USBTX, USBRX);
 DigitalOut myled(LED1);
+DigitalOut ir_out(D3);
+
+Timer timer;
+
+int IR_transmitte(char tx_data[64])
+{
+    //flame
+    //H
+    int t_start = timer.read_us();
+    ir_out = 1;
+    while( timer.read_us() - t_start < 625*16 );//16T
+    //L
+    t_start = timer.read_us();
+    ir_out = 0;
+    while( timer.read_us() - t_start < 625*8 );//8T
+
+    //data
+    for(int i=0; tx_data[i] != '\0'; i++ ) {
+        t_start = timer.read_us();
+        while( timer.read_us() - t_start < 625 )   ir_out = 1;
+        t_start = timer.read_us();
+        ir_out = 0;
+        if( tx_data[i] == '1') {
+            while( timer.read_us() - t_start < 625 );//1T
+        } else {
+            while( timer.read_us() - t_start < 625*3 );//3T
+        }
+    }
+    return 0;
+}
 
 int main()
 {
@@ -27,18 +57,20 @@
     int t_negedge,t_posedge,t_delta,tx_delay;
     int data_en = 0;
     char rx_data[64] = "";
+    char tx_data[64] = "";
     int busy = 0;
 
     g_serial.baud(115200);
-    Timer timer;
     timer.start();
 
     while(1) {
         if(busy == 1) {
-            for(int i=0;i<tx_delay;i++){
+            myled = 1;
+            for(int i=0; i<tx_delay; i++) {
                 wait_ms(1000);
             }
             //tx IR
+            IR_transmitte(tx_data);
             myled = 0;
             busy = 0;
         } else {
@@ -60,9 +92,9 @@
                             g_serial.printf("received=");
                             if      (strcmp(rx_data,OPT_PWR) == 0) {
                                 g_serial.printf("PWR");
-                                myled = 1;
-                                tx_delay = 10;
+                                tx_delay = 5;
                                 //tx_data = CHANGHONG_23;
+                                strcmp(tx_data,OPT_PWR);
                             } else if (strcmp(rx_data,OPT_A) == 0)        g_serial.printf("A");
                             else if (strcmp(rx_data,OPT_B) == 0)        g_serial.printf("B");
                             else if (strcmp(rx_data,OPT_C) == 0)        g_serial.printf("C");