Diff: Main/main.cpp

Revision:

0:d5312060f649

Child:

2:e7e39d27b11f

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Main/main.cpp	Wed Mar 08 20:05:58 2017 +0000
@@ -0,0 +1,98 @@
+#include "main.h"
+
+// objects defined here with pin numbers (if required)
+DigitalIn button_a(p29);
+DigitalIn button_b(p28);
+DigitalIn button_c(p27);
+DigitalIn button_d(p26);
+
+N5110 lcd(p8,p9,p10,p11,p13,p21);
+BusOut leds(LED4,LED3,LED2,LED1);
+
+AnalogIn ldr(p15);
+
+PwmOut red_led(p24);
+PwmOut green_led(p23);
+PwmOut blue_led(p22);
+
+AnalogIn tmp36(p16);
+
+AnalogIn pot_0(p20);
+AnalogIn pot_1(p19);
+AnalogIn pot_2(p17);
+
+Tone speaker(p18);
+ShiftReg shift;
+
+int main()
+{
+    init();  // initialise peripherals
+    welcome();  // display welcome message
+
+    while(1) {  // infinite loop
+
+        print_menu();  // this re-prints the menu at the start of every loop
+
+        // if any buttons pressed then jump to appropriate menu function
+        if (button_a.read() == 1) {
+            mode_A();
+        }
+        if (button_b.read() == 1) {
+            mode_B();
+        }
+        if (button_c.read() == 1) {
+            mode_C();
+        }
+        if (button_d.read() == 1) {
+            mode_D();
+        }
+
+        // delay to prevent multiple button presses being detected
+        wait_ms(250);
+
+    }
+}
+
+void init()
+{
+    // turn off LEDs
+    red_led = 1.0;
+    green_led = 1.0;
+    blue_led = 1.0;
+    
+    // turn off 7-seg display
+    shift.write(0x00);
+
+    // initialise LCD
+    lcd.init();
+
+    // PCB has external pull-down resistors so turn the internal ones off
+    button_a.mode(PullNone);
+    button_b.mode(PullNone);
+    button_c.mode(PullNone);
+    button_d.mode(PullNone);
+}
+
+void print_menu()
+{
+    lcd.clear();
+    lcd.printString("Press button",0,0);
+    lcd.printString("to select",0,1);
+    lcd.printString("A: Mode A",0,2);
+    lcd.printString("B: Mode B",0,3);
+    lcd.printString("C: Mode C",0,4);
+    lcd.printString("D: Mode D",0,5);
+    lcd.refresh();
+}
+
+void welcome()
+{
+    lcd.clear();
+    lcd.printString("  Automotive",0,0);
+    lcd.printString("  Electronics",0,1);
+    lcd.printString("   Simulator",0,2);
+    lcd.printString("Craig A. Evans",0,4);
+    lcd.printString("  0123456789",0,5);
+    lcd.refresh();
+    wait(5.0);
+}
\ No newline at end of file