Diff: main.cpp

Revision:

1:e5373c63f642

Parent:

0:a606cf2249ad

Child:

2:7fd95eae5731

--- a/main.cpp	Wed Dec 31 02:45:31 2014 +0000
+++ b/main.cpp	Wed Dec 31 03:33:35 2014 +0000
@@ -11,6 +11,8 @@
 // To show that the mbed is running
 DigitalOut status_led(LED1);
 
+DigitalOut r2_led[3] = {p24, p25, p26}; // TX, RX, ERR
+
 // Function for writing a number to the 7-segment display
 void writeSegment(uint8_t val)
 {
@@ -25,25 +27,44 @@
 
 int main()
 {
+    // turn all LEDs off initially
+    for (int i=0; i<3; i++)
+        r2_led[i] = 1;
+
     latch = 0;  // initialize the latch pin for the CD4511B decoder
     status_led = 0; // initialize & turn off led for startup operations
 
     uint8_t channel;    // limit to 4 bits (0x00 to 0x0F)
     channel = 8;    // light up all of the 7-segment's segments at startup - allows for the user to detect if there's a problem
     writeSegment(channel);
-    wait(1.0);  // wait 2 seconds to ensure user sees the startup operation
+    channel = 0;    // start back over at 0
+    
+    wait(0.2);
 
-    channel = 0;    // start back over at 0
+    // turn on all secondary radio status LEDs
+    for (int i=2; i>=0; i--) {
+        r2_led[i] = 0;
+        wait(0.2);
+    }
+
+    // hold
+    wait(0.3);
+
+    // turn off all secondary radio status LEDs
+    for (int i=0; i<3; i++) {
+        r2_led[i] = 1;
+        wait(0.2);
+    }
 
     while(1) {
         // send numerical value to 7-segment & hold for a while
         writeSegment(channel++);
         wait(0.3);
         status_led = !status_led;
-        
+
         // wait again just so that the status led and segment are out of sync
         wait(0.2);
-        
+
         // reset value if too high
         channel = channel > 9 ? 0 : channel;
     }