Diff: main.cpp

Revision:

2:eca0702650ca

Parent:

1:4847c54eed20

Child:

3:31c005437fa5

--- a/main.cpp	Tue Feb 11 05:55:21 2020 +0000
+++ b/main.cpp	Tue Feb 11 06:28:36 2020 +0000
@@ -15,31 +15,43 @@
     timer.start();
     //int iMicroSec_prev = timer.read_us();
     int iState_prev = 1;
-    int time_start,time_end;
-    
+    int time_start,time_end,time_data,delta_t;
+    int data_en = 0;
+
     while(1) {
         int iState = g_dpinIrReceiver;
-       
+
         //detect H signal
         if( iState != iState_prev ) {
-        //timer start 
             if(iState == 0) {
                 //timer.start();//reset
                 time_start = timer.read_us();//start(detect negedge
-            }
-            if(iState == 1) {//end (detect posedge
+
+                if(data_en == 1) {
+                    //time_data = timer.read_us();
+                    //delta_t = time_data - time_end;
+                    delta_t = time_start - time_end;
+                    data_en = 0;
+                    if(delta_t > 1523)    g_serial.printf("H");//625*2.5
+                    else                  g_serial.printf("L");
+                }
+            } else if(iState == 1) { //end (detect posedge
+
+
                 time_end = timer.read_us();//over flow?
                 //compare and output
-                int delta_t = time_end - time_start;
-                
-                if(delta_t > 8430)    g_serial.printf("flame,");
-                else                    g_serial.printf("data,");
-                
-                //g_serial.printf( "%d, ", time_start - time_end);
+                delta_t = time_end - time_start;
+
+                if(delta_t > 8430)    g_serial.printf("flame,");//625*15
+                else {
+                    data_en = 1;
+                    //g_serial.printf("data,");
+                    //g_serial.printf( "%d, ", time_start - time_end);
+                }
             }
-        }  
+        }
         iState_prev = iState;
-           
+
         //iState_prev = iState;
         //int iMicroSec = timer.read_us();
         //g_serial.printf( "%d, ", iMicroSec - iMicroSec_prev );