Diff: main.cpp

Revision:

1:9aeabcc7f4a7

Parent:

0:ce0d1043321f

--- a/main.cpp	Wed Oct 14 19:06:20 2015 +0000
+++ b/main.cpp	Thu Oct 15 15:34:01 2015 +0000
@@ -1,11 +1,46 @@
 #include "mbed.h"
 
+//------------------------------------
+// Hyperterminal configuration
+// 9600 bauds, 8-bit data, no parity
+//------------------------------------
+
+Serial pc(SERIAL_TX, SERIAL_RX);
+
 Timeout    onTime;
 Ticker     periodTimer;
+Timeout    timedown;
+
 DigitalOut led(PA_9); 
+InterruptIn  SW7(PB_3);
+InterruptIn  SW6(PA_10);
 
 float periodTime=0.020;  // 20ms period time (50Hz)
-float dutyCycle=.05;
+float dutyCycle=.50;
+
+void timeouttick()
+{
+    SW7.enable_irq();
+    SW6.enable_irq();
+}
+
+void interruptSW7(){
+   SW7.disable_irq();
+   timedown.attach(&timeouttick, 0.03); //debounce
+   if(dutyCycle < 1.00f)
+   {
+   dutyCycle += 0.05f;
+   }
+}  
+
+void interruptSW6(){
+   SW6.disable_irq();
+   timedown.attach(&timeouttick, 0.03); //debounce
+   if(dutyCycle > 0.10f)
+   {
+    dutyCycle -= 0.05f;
+    }
+}    
 
 void TurnLightOff()
 {   led=1;
@@ -18,9 +53,20 @@
 
 int main()
 {
+    pc.printf("Velkommen\r\n");
+    //attach interrup to faling edge
+    SW7.fall(&interruptSW7);
+    SW6.fall(&interruptSW6);
+    
     periodTimer.attach(&TurnLightOn,periodTime);
+    
+    float dutyCycleprv = 0.00f;
 
     while(1) {
-        wait(1);
+        if(dutyCycleprv != dutyCycle)
+        {
+            pc.printf("DutyCycle: %.0f%%\r\n", dutyCycle*100);
+            dutyCycleprv =dutyCycle;
+        }
     }
 }