Diff: main.cpp

Revision:

0:50013e3eded8

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Tue Mar 10 20:06:49 2015 +0000
@@ -0,0 +1,37 @@
+#include "mbed.h"
+#include "uLCD_4DGL.h"
+
+
+DigitalOut _led1(LED1);
+DigitalOut _led2(LED2);
+DigitalOut _led3(LED3);
+DigitalOut _led4(LED4);
+AnalogIn pot(p20);
+uLCD_4DGL lcd(p28, p27, p30);
+
+const int startX = SIZE_X / 3;
+const int stopX = startX * 2;
+const int stopY = SIZE_Y;
+int startY = 0;
+void PrintLCDGraph(float value){
+    int prevY = startY;
+    startY = SIZE_Y * (1 - value);
+    // clear part of graph that doesn't overlap between samples
+    lcd.filled_rectangle(startX, prevY, stopX, startY, BLACK);
+    lcd.filled_rectangle(startX, startY, stopX, stopY, RED);
+}
+void PrintLEDGraph(float value){
+    _led1 = (value >= 0.2) ? 1 : 0;
+    _led2 = (value >= 0.4) ? 1 : 0;
+    _led3 = (value >= 0.6) ? 1 : 0;
+    _led4 = (value >= 0.8) ? 1 : 0;
+}
+int main() {
+    float sample;
+    while(1) {
+        sample = pot;
+        PrintLEDGraph(sample);
+        PrintLCDGraph(sample);
+        wait(0.1);
+    }
+}