Diff: main.cpp

Revision:

3:7d014ee1c543

Parent:

2:769c937f9228

Child:

4:f7d06462819b

--- a/main.cpp	Thu Apr 23 19:21:58 2015 +0000
+++ b/main.cpp	Wed Apr 29 13:01:10 2015 +0000
@@ -11,13 +11,16 @@
 
 #include "mbed.h"
 
-/*------------Definição de Sinais--------------*/
+/*--------------Signal Definition-----------------*/
 
 #define ECG1 0
 #define ECG2 1
 #define RESP 2
 #define PPG 3
 
+/*------------- Sample Speed Timer --------*/
+#define TIMER_RATE 1
+
 /*-----READS THE ANALOG SIGNAL FROM THE SENSORS-----*/
 
 AnalogIn Ecg1(A0);
@@ -31,12 +34,15 @@
 Serial pc(USBTX,USBRX);
 
 
-/*------HANDLES THE TIMER INTERRUPTIONS------------*/
+/*------HANDLES THE TIMER AND SERIAL INTERRUPTIONS------------*/
 
 void t0_handler(void);
 void rx_Handler(void);
+
 char test = 0;  // Tests the data received from the computer in order to start the reading 
-bool Valor=0;      
+bool Valor=0;
+bool rx_Interrupt = 0;    
+bool TimerStatus = 0;
 
 /*------------BUFFER TO STORE DATA------------------*/
 
@@ -45,41 +51,54 @@
 
 
 int main() {
+    pc.printf("main");
     pc.attach(&rx_Handler, pc.RxIrq);
-    t0.attach(&t0_handler,0.001);       //deletar depois de implementar rxhandler baixar programa!!!!!
     
+    while(1){
+        
+    while(rx_Interrupt){
+        
+        if(test == '2'|| test == '2')
+    {   // wake up routine
+        t0.attach(&t0_handler,TIMER_RATE); //start counting ----Data read in a 1kHz freq. (1mS)  
+        
+    }else if (test=='3'|| test == '3')
+        {
+    t0.detach();
+        }               
+        
+        
+        rx_Interrupt = 0;
+    }
+    
+    if (TimerStatus){
+        
+        buffer[ECG1] = Ecg1.read_u16();
+        buffer[ECG2] = Ecg2.read_u16();
+        buffer[RESP] = Resp.read_u16();
+        buffer[PPG] = Ppg.read_u16(); 
+        pc.printf("%i,%i,%i,%i\n",buffer[ECG1],buffer[ECG2],buffer[RESP],buffer[PPG]);
+        TimerStatus = 0;
+        }
 
-}
+}}
 
 /*----------------------FUNCTIONS-----------------------*/
 
     //Reads and send data to the computer 
 
 void t0_handler(void){
-    buffer[ECG1] = Ecg1.read_u16();
-    buffer[ECG2] = Ecg2.read_u16();
-    buffer[RESP] = Resp.read_u16();
-    buffer[PPG] = Ppg.read_u16(); 
-    //Esses dados devem ser movidos e mandados o LSB e O MSB um de cada vez, o computador use estes dois dados;
-    
-    //Não usar printf!!! 
-    //Use putc instead!
-    
-    pc.printf("%i,%i,%i,%i\n",buffer[ECG1],buffer[ECG2],buffer[RESP],buffer[PPG]);
+    TimerStatus = 1;    
     }
 
-    //This function must 
-
 void rx_Handler(void){
-  //Por enquanto estou sem  programa que manda dados... ACHAR NOME PC DE CASA!!!
- /* // test = pc.getc();    // it gets the received character
-  // if (test=='s'|| test == 'S')
-    {   // wake up routine
-  //  t0.attach(&t0_handler,0.001); //start counting ----Data read in a 1kHz freq. (1mS)  
-        return;
-    }else if (test=='e'|| test == 'E')
-        {
-    t0.detach();
-        }*/
-   
+    
+    // A programação não estava funcionando poisnão se deve utilizar interrupções para realizar grandes tarefas;
+    // Elas travam e não funciona mais nada.
+    // Como fazer para não ficar testando no main?? Sexta feira no globo reporter
+    
+    rx_Interrupt = 1;
+    test = pc.getc();    // it gets the received character
+    pc.putc(test);
+  
 }