Diff: main.cpp

Revision:

0:bed258bad2ae

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Mon Feb 01 20:02:51 2021 +0000
@@ -0,0 +1,78 @@
+ //  4180 Lab 1, Part 3
+//  Gregory Lanier
+
+#include "mbed.h"
+#include "PinDetect.h"
+
+/*
+    This program uses PWM with two buttons and a DIP switch to control the color and brightness of an RGB LED.
+*/
+
+// Global Vars
+float brightness = 0.5f;   // Initial brightness 1/2 power
+
+// I/O
+PinDetect   dimButton(p8);      // Make LED dimmer with p8 button
+PinDetect   brightButton(p9);   // Make LED brighter with p9 button
+DigitalIn   rDIP(p15);  // Switch 1 for Red LED with p15
+DigitalIn   gDIP(p16);  // Switch 2 for Green LED with p16
+DigitalIn   bDIP(p17);  // Switch 3 for Blue LED with p17
+PwmOut  rLED(p21);  // Light up Red LED with p21
+PwmOut  gLED(p22);  // Light up Green LED with p22
+PwmOut  bLED(p23);  // Light up Blue LED with p23
+
+// Dim Callback
+void dim_callback(void) {
+    brightness -= 0.1f;
+}
+
+// Brighten Callback
+void bright_callback(void) {
+    brightness += 0.1f;
+}
+
+int main()
+{
+    // Button Mode Set
+    dimButton.mode(PullUp);    
+    brightButton.mode(PullUp);
+    wait(0.01);
+    
+    // Switch Mode Set
+    rDIP.mode(PullUp);
+    gDIP.mode(PullUp);
+    bDIP.mode(PullUp);
+    
+    // Setuo button callbacks
+    dimButton.attach_deasserted(&dim_callback);    
+    brightButton.attach_deasserted(&bright_callback);
+    
+    // Start sampling button inputs using interrupts
+    dimButton.setSampleFrequency();
+    brightButton.setSampleFrequency();
+    
+    // Logic Loop
+    while(1) {
+
+        if (!rDIP){
+            rLED = brightness;
+            }
+        else{
+            rLED = 0;
+            }
+        
+        if (!gDIP){
+            gLED = brightness;
+            }
+        else{
+            gLED = 0;
+            }
+            
+        if (!bDIP){
+            bLED = brightness;
+            }
+        else{
+            bLED = 0;
+            }
+        }
+}
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