Diff: main.cpp

Revision:

16:520034b124b6

Parent:

15:0356e9454a60

--- a/main.cpp	Thu Mar 11 21:22:19 2021 +0000
+++ b/main.cpp	Wed Jun 09 17:04:56 2021 +0000
@@ -7,8 +7,8 @@
 #include <string>
 //#include <Serial.h>
 
-#define TARGET_TX_PIN P3_1
-#define TARGET_RX_PIN P3_0
+#define TARGET_TX_PIN P0_1
+#define TARGET_RX_PIN P0_0
 
 Timer timer_fast;
 Timer t;
@@ -17,6 +17,10 @@
 void task_fast(void);
 DigitalOut ledA(LED2);
 
+DigitalOut EN(P1_7);
+DigitalOut A0(P1_4);
+DigitalOut A1(P7_2);
+
 void ecg_config(MAX30003 &ecgAFE);
 //BufferedSerial pc(P3_1,P3_0);            // Use USB debug probe for serial link static Unbuffered
 static BufferedSerial pc(TARGET_TX_PIN, TARGET_RX_PIN, 230400); // 230400 works well
@@ -51,6 +55,15 @@
 }
 int main(void)
 {   
+ int t=0;
+ 
+   EN=0; 
+   EN=1;
+   A0=0;
+   A1=1;
+   
+
+
    // Constants
     const int EINT_STATUS_MASK =  1 << 23;
     const int FIFO_OVF_MASK =  0x7;
@@ -100,7 +113,7 @@
     uint8_t p_2 = 0;
     uint8_t p_3 = 0;
     uint8_t p_4 = 0;
-    
+    uint8_t channel_num[1]= {1};
     uint8_t data_len_1 = 0;
     uint8_t data_len_2 = 0;
     uint32_t packet_1 = 0;
@@ -114,24 +127,24 @@
     bool flip = true;
      int sampleps = 0;
      
-    char buf[20];
+    char buf[20];//={"1622326341"};
    // pc.write("Welcome",8*sizeof(char));
    // printf("In the main loop"); //printf("In the main loop");
      bool flag_first = false;
        bool timestamp_reader = false;
-      do
-      {
-        if (pc.readable()) 
-        {     
-        scanf("%s",buf);
-     //printf("The entered string is %s : \n ",buf);
-     
-     packet_1 = atoi(buf);
+  /*   do
+    {
+       if (pc.readable()) 
+     {     
+     scanf("%s",buf);
+    printf("The entered string is %s : \n ",buf);*/
+   // buf[20] = 1621297647;
+     packet_1 =  1623243727; //atoi(buf);
      set_time(packet_1);
      
-     if ((packet_1 % 60) == 0)
+  /*   if ((packet_1 % 60) == 0)
          { 
-           /*  for (int u = 0;u<3;u++)
+             for (int u = 0;u<3;u++)
              {
                  if (pc.readable()) 
                 {     
@@ -141,19 +154,19 @@
                     packet_1 = atoi(buf);
                     set_time(packet_1);
                 }
-             }*/
-         timestamp_reader = true;
-         }
-         else
-         {
+             }
+       timestamp_reader = true;
+    }
+       else
+        {
              //printf("The timestamp is not divisible by 60 \n");
-             }
-     //flag_first = true;
+   /*  }
+     flag_first = true;
     
         }
         
-        }while (timestamp_reader==false); // take the third timestamp
-         while(1) 
+     }   while (timestamp_reader==false); */ // take the third timestamp 
+while(1) 
     {
        
     
@@ -162,12 +175,14 @@
      //t.start();
      //ledA = !ledA;   
      
-      
+    
+
+
       pc.write((uint8_t *)header_device_id, sizeof(header_device_id));
       
       pc.write((uint8_t *)header_packet_type, sizeof(header_packet_type));
-      time_t seconds = time(NULL);
-      packet_1 = seconds;
+       time_t seconds = time(NULL);          // if remove it the timestamp will be static 
+      packet_1 = seconds;                     //
       //packet_1 ++;
      // printf("Time as seconds since January 1, 1970 = %d\n", packet_1);
       p_1 = packet_1 & 0xff;
@@ -178,6 +193,7 @@
      checksum_  = checksum_ + p_1 + p_2 + p_3 + p_4 ;
      uint8_t header_packet_id[4] = {p_4,p_3,p_2,p_1};
       pc.write((uint8_t *)header_packet_id, sizeof(header_packet_id));
+      pc.write((uint8_t *)channel_num, sizeof(channel_num));
       onesec_counter_temp = onesec_counter * 2;
       data_len_1 = onesec_counter_temp & 0xff;
       data_len_2 = (onesec_counter_temp >> 8) & 0xff;