Diff: main.cpp

Revision:

0:bb6f81d15af7

Child:

3:a7677858ce0b

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Sun Dec 03 18:48:44 2017 +0000
@@ -0,0 +1,40 @@
+#include "mbed.h"
+#include "C12832.h"
+#include "HCSR04.h"
+/*
+    Written by Leong Kum Loong.
+    04 Dec 2017, REV. 0
+    
+    When HCSR04.h reference is included, DO NOT declare pin p21 & p22 as it is used by my library.
+*/
+
+C12832 lcd(p5, p7, p6, p8, p11);
+DigitalOut led(LED1);
+InterruptIn joyCtr(p14);
+
+int unit = 1;
+char str[] = "Distance: %.2f cm        ";
+
+void config() {
+    if(unit == 1){
+        unit = 2;
+        strcpy(str, "Distance: %.3f inch        ");
+    } else {
+        unit = 1;
+        strcpy(str, "Distance: %.2f cm        ");
+    }
+    getDistance(unit);  //Unit 1 for CM & 2 for INCH
+}
+
+int main() {
+    joyCtr.rise(config);
+    getDistance();  //Start retrieving distance.
+    lcd.cls();
+    while(1) {
+        lcd.locate(0,1);
+        lcd.printf(str, readDistance());    //Read retrieved distance.
+        
+        led = !led;
+        wait_ms(100);   //**** Wait function will cause delay to the ultrasonic sensor next read cycle.
+    }
+}
\ No newline at end of file