Diff: main.cpp

Revision:

9:24ecf16eab0f

Parent:

8:6b9359f81cc0

Child:

10:54aa50490b15

--- a/main.cpp	Wed Aug 05 04:33:07 2020 +0000
+++ b/main.cpp	Wed Aug 19 19:38:17 2020 +0000
@@ -2,13 +2,18 @@
 #include "MAX30003.h"
 #include "mbed.h"
 #include "max32630fthr.h"
+#include "ds1307.h"
 
-
+Timer timer_fast;
 MAX32630FTHR pegasus(MAX32630FTHR::VIO_3V3);
 
+void task_fast(void);
+DigitalOut ledA(LED2);
 void ecg_config(MAX30003 &ecgAFE);
 
 volatile bool ecgFIFOIntFlag = 0; 
+volatile int16_t onesec_counter = 0;
+volatile bool timerflag = 0;
 void ecgFIFO_callback_1()  { // Triggered when the ECG FIFO is about to be full
     
     ecgFIFOIntFlag = 1;
@@ -24,6 +29,7 @@
     const int FIFO_VALID_SAMPLE_MASK =  0x0;
     const int FIFO_FAST_SAMPLE_MASK =  0x1;
     const int ETAG_BITS_MASK = 0x7;
+    timer_fast.start();
     DigitalOut rLed(LED1, LED_OFF);
     
     Serial pc(USBTX, USBRX);            // Use USB debug probe for serial link
@@ -44,17 +50,41 @@
     
     uint32_t ecgFIFO, readECGSamples, idx, ETAG[32], status;
     int16_t ecgSample[32];
+    //bool timerflag = false;
+    int16_t ecgSample_1sec[700];
+   int16_t onesec_counter = 0;
+    int16_t sample = 300;
     
-    while(1) {
-        
+    while(1) 
+    {
+    
+    if (timer_fast.read() > 1) 
+    {
+      //timerflag = 1;
+     ledA = !ledA;
+      timer_fast.reset();
+      int8_t header_device_id[3] = {0,0,210};
+      int8_t header_packet_type[2] = {0,2};
+      int8_t header_packet_id[4] = {0,0,0,0};
+      int8_t header_ecg_datalen[2] = {0,onesec_counter};
+      int8_t header_ecg_checksum[2] = {0,0};
+      
+      
+      //pc.printf("%6d\r\n", sample);
+      //pc.printf("%6d\r\n", onesec_counter);
+      
+      onesec_counter = 0;
+       } 
         // Read back ECG samples from the FIFO 
-        if( ecgFIFOIntFlag ) {
+        else if( (ecgFIFOIntFlag==1))// && (timerflag == 0)) 
+        {
             
             ecgFIFOIntFlag = 0; 
             status = ecgAFE.readRegister( MAX30003::STATUS );      // Read the STATUS register
              
             // Check if EINT interrupt asserted
-            if ( ( status & EINT_STATUS_MASK ) == EINT_STATUS_MASK ) {     
+            if ( ( status & EINT_STATUS_MASK ) == EINT_STATUS_MASK ) 
+            {     
             
                 readECGSamples = 0;                        // Reset sample counter
                 
@@ -69,17 +99,36 @@
                           ETAG[readECGSamples-1] == FIFO_FAST_SAMPLE_MASK ); 
                 
                 // Check if FIFO has overflowed
-                if( ETAG[readECGSamples - 1] == FIFO_OVF_MASK ){                  
+                if( ETAG[readECGSamples - 1] == FIFO_OVF_MASK )
+                {                  
                     ecgAFE.writeRegister( MAX30003::FIFO_RST , 0); // Reset FIFO
                     rLed = 1;//notifies the user that an over flow occured
                 }
                 
                 // Print results 
-                for( idx = 0; idx < readECGSamples; idx++ ) {
-                    pc.printf("%6d\r\n", ecgSample[idx]);           
+                for( idx = 0; idx < readECGSamples; idx++ ) 
+                {
+                    //pc.printf("%6d\r\n", ecgSample[idx]);     
+                    ecgSample_1sec[onesec_counter] = ecgSample[idx];
+                    onesec_counter++;      
                 } 
                                
             }
+        //    else
+          //  {
+            //    timerflag = 0;
+              //  }
+            //else if (timerflag == 1)
+            //{
+                //timerflag = 0;
+                //pc.printf("1 sec ends :\n");
+                //onesec_counter = 0;
+                //timer_fast.reset();
+                //timer_fast.start();
+                //delete[] ecgSample_1sec;
+                //}
+              
+            
         }
     }
 }