Diff: main.cpp

Revision:

0:f39f0de7c0ce

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Mon May 08 19:57:56 2017 +0000
@@ -0,0 +1,74 @@
+#include "mbed.h"
+#include "rtos.h"
+#include "Keypad.h"
+#include "TextLCD.h"
+#include "buzzer.h"
+ 
+Serial PC(USBTX, USBRX);
+TextLCD * lcd;
+Buzzer * buzzer;
+RtosTimer *LedTimer;
+DigitalOut Led1(LED1);
+DigitalOut Led2(LED2);
+ 
+// Define your own keypad values
+char Keytable[] = { '1', '2', '3',    // r0
+                     '4', '5', '6',   // r1
+                     '7', '8', '9',   // r2
+                     '*', '0', '#',   // r3
+                   };
+ 
+int32_t       Index = -1;
+int           State;
+ 
+uint32_t cbAfterInput(uint32_t _index)
+{
+    Index = _index;
+    return 0;
+}
+ 
+void Blink(void const *arg) {
+    if (State == 1)  {
+        Led1 = 1;
+        Led2 = 0;
+        State = 2;
+    }
+    else if (State == 2)  {
+        LedTimer->stop();
+        Led1 = 0;
+        Led2 = 1;
+        LedTimer->start(2000); // longer timer alarm
+        State = 1;
+    }
+}
+ 
+int main()
+{
+    lcd = new TextLCD( PTC5, PTC7, PTC0, PTC9, PTC8, PTC1, TextLCD::LCD20x4 );
+    lcd->printf("I am Demo Keypad\r\n");
+    State = 1;
+    LedTimer = new RtosTimer(&Blink, osTimerPeriodic, NULL);
+    LedTimer->start(500); // short timer alarm    
+    
+    buzzer = new Buzzer(PTA2);
+    buzzer->startupBeep();
+    
+    //             r0   r1   r2   r3   c0   c1   c2   c3
+    //Keypad keypad(p21, p22, p23, p24, p25, p28, p27, NC);
+    Keypad keypad(PTC4, PTB23, PTC2, PTE26, PTB20, PTB2, PTC3, NC);
+    
+    keypad.attach(&cbAfterInput);
+    keypad.start();  // energize the columns c0-c3 of the keypad
+ 
+    while (1) {
+        __wfi();
+        if (Index > -1) {
+            lcd->cls();
+            lcd->locate(0, 0);
+            lcd->printf("Interrupted");
+            lcd->locate(0, 1);
+            lcd->printf("Index:%d => Key:%c\r\n", Index, Keytable[Index]);
+            Index = -1;
+        }
+    }
+}
\ No newline at end of file