Diff: main.cpp

Revision:

4:5d40f64a82c1

Parent:

3:ce5582846693

--- a/main.cpp	Sun Mar 05 20:12:32 2017 +0000
+++ b/main.cpp	Wed Mar 15 09:59:04 2017 +0000
@@ -1,46 +1,65 @@
 /* ELEC1620 Application Board Example
 
-LDR
+LCD
 
-(c) Dr Craig A. Evans, University of Leeds, Feb 2017
+(c) Dr Craig A. Evans, University of Leeds, March 2017
 
 */
 
 #include "mbed.h"
 #include "N5110.h"
 
-// JP1 on board must be in 2-3 position
+// JP1 must be in 2/3 position
 N5110 lcd(p8,p9,p10,p11,p13,p21);
 
-// LDR connected to ADC pin
-AnalogIn ldr(p15);
+const int run[12][10] =   {
+    { 0,0,0,0,0,1,1,1,0,0 },
+    { 0,0,0,0,0,1,1,1,0,0 },
+    { 0,0,0,1,1,1,1,0,0,0 },
+    { 0,0,1,1,1,1,0,1,0,0 },
+    { 0,1,1,0,1,1,0,1,1,1 },
+    { 1,0,0,0,1,1,0,0,0,0 },
+    { 0,0,0,1,1,1,1,0,0,0 },
+    { 0,0,1,1,0,0,1,1,0,0 },
+    { 1,1,1,1,0,0,0,1,1,0 },
+    { 0,0,0,0,0,0,1,1,0,0 },
+    { 0,0,0,0,0,1,1,0,0,0 },
+    { 0,0,0,0,1,1,0,0,0,0 },
 
-int main() {
-    
-    lcd.init();  // need to initialise the LCD
+
+};
+
+int main()
+{
+
+    // need to initialise the lcd first, do this once outside of the loop
+    lcd.init();
     
+    int x = 0;  // starting position
+
     while(1) {
-        
-        // clear the display at the start of every new frame
+
+        // clear the display at the start of the loop
         lcd.clear();
-        
-        // lcd is 84 pixels wide x 48 pixels high
+
+        // print any text
+        lcd.printString("Run!",0,0);
+
+        // draw the required shapes
+        lcd.drawRect(0,40,84,8,FILL_BLACK);
+        lcd.drawCircle(70,10,5,FILL_TRANSPARENT);
+
+        // draw the sprite at the correct place
+        lcd.drawSprite(x,40-12,12,10,(int *)run);
         
-        //  x, y,  width, height, fill type
-        lcd.drawRect(12,20,60,8,FILL_TRANSPARENT);
-        
-        float value = ldr.read();  // read in the LDR value in range 0.0 to 1.0
-        
-        int width = int(value*60.0f); // convert to an int in the range 0.0 to 60.0
+        x+=2;  // increment x to move sprite across 2 pixels each loop
         
-        // draw a bar of the correct width
-        lcd.drawRect(12,20,width,8,FILL_BLACK); 
-        
-        // update the LCD
-        lcd.refresh(); 
-        // small delay between readings
-        wait(0.2);
-        
+        if (x>83) {  // if gone off screen then move back to left
+            x=0;    
+        }
+
+        lcd.refresh(); // refresh the LCD so the pixels appear
+        wait_ms(1000/10);  // this gives a refresh rate of 10 frames per second
     }
 }