Diff: main.cpp

Revision:

14:e12ebd1260b1

Parent:

13:e741def3e4ff

Child:

15:6449443e2207

--- a/main.cpp	Wed Jul 27 09:16:40 2016 +0000
+++ b/main.cpp	Wed Jul 27 10:25:42 2016 +0000
@@ -21,7 +21,7 @@
 
 #include "mbed.h"
 
-#define TARGET_STM32F103C8T6  1     // comment out this line when using official NUCLEO boards!                                    
+//#define TARGET_STM32F103C8T6  1     // comment out this line when using official NUCLEO boards!                                    
 #define BOARD1                1     // comment out this line when compiling for board #2
 
 #if defined(TARGET_STM32F103C8T6) 
@@ -46,17 +46,9 @@
 Timer           timer;
 CAN             can(PA_11, PA_12);  // CAN Rx pin name, CAN Tx pin name
 CANMessage      rxMsg;
-CANMessage      txMsg;
 char            counter = 0;
 
-/**
- * @brief   Main
- * @note
- * @param 
- * @retval
- */
-int main() {
-    
+int main() {   
 #if defined(BOARD1)
     led = ON;       // turn LED on
     timer.start();  // start timer
@@ -65,14 +57,12 @@
 #endif
 
     while(1) {
-        if(timer.read_ms() >= 200) {            // check for timeout
-            timer.stop();                       // stop timer
-            timer.reset();                      // reset timer
-            counter++;                          // increment counter
-            txMsg.id = TX_ID;                   // set ID
-            txMsg.data[0] = counter;            // set data
-            led = OFF;                          // turn LED off
-            if(can.write(txMsg))                // transmit message
+        if(timer.read_ms() >= 200) {                        // check for timeout
+            timer.stop();                                   // stop timer
+            timer.reset();                                  // reset timer
+            counter++;                                      // increment counter
+            led = OFF;                                      // turn LED off
+            if(can.write(CANMessage(TX_ID, &counter, 1)))   // transmit message
                 printf("CAN message sent\r\n"); 
             else
                 printf("Transmission error\r\n");
@@ -85,14 +75,14 @@
             printf("  Length = %d\r\n", rxMsg.len);
             printf("  Data   =");            
             for(int i = 0; i < rxMsg.len; i++)
-                printf(" %x", rxMsg.data[i]);
+                printf(" 0x%.2x", rxMsg.data[i]);
             printf("\r\n");
            
             if(rxMsg.id == RX_ID) {             
-                counter = rxMsg.data[0];        // set counter
-                printf("counter = %d\r\n", counter);
-                led = !led;                     // set LED
-                timer.start();                  // transmission lag
+                counter = rxMsg.data[0];                    // set counter
+                printf("counter = %d\r\n", counter);        // print counter
+                led = ON;                                   // set LED
+                timer.start();                              // transmission lag
             }
         }
     }