Revision 3:21a5cec57b18, committed 2020-05-18

Comitter:

namcheol

Date:

Mon May 18 12:24:00 2020 +0000

Parent:

2:20e20cfae75e

Commit message:

lab06-digital-clock

Changed in this revision

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/C12832.lib	Mon May 18 12:24:00 2020 +0000
@@ -0,0 +1,1 @@
+https://os.mbed.com/users/chris/code/C12832/#7de323fa46fe

--- a/main.cpp	Mon Apr 27 08:02:20 2020 +0000
+++ b/main.cpp	Mon May 18 12:24:00 2020 +0000
@@ -1,14 +1,97 @@
 #include "mbed.h"
+#include "C12832.h"
+
+C12832 lcd(D11, D13, D12, D7, D10); //lcd = (MOSI, SCK, RESET, A0, nCS)
+InterruptIn sw2(SW2);   //start or stop  start = green led on
+InterruptIn sw3(SW3);   //reset
+PwmOut Green(D9);
+PwmOut Red(D5);
+InterruptIn up(A2);
+InterruptIn down(A3);
+InterruptIn left(A4);
+InterruptIn rite(A5);
+InterruptIn center(D4);
+
+Timer timer;
+int offset = 0;
+int start = 0;
+
+void ISR_sw2()
+{
+    if(start == 0){
+    timer.start();
+    Green = 0;
+    start = 1;
+    }
+    else{
+        timer.stop();
+        Green = 1;
+        start = 0;
+    }
+}
 
-Serial uart_tx(D1, D0);   //D1 = tx, D0 = rx
-DigitalIn sw(D2, PullDown);
+void ISR_sw3()
+{
+        timer.reset();
+        offset = 0;
+        start = 1;
+}
+
+void ISR_up()
+{
+    if(up)
+        offset += 60*1000;
+}
+
+void ISR_down()
+{
+        offset -= 60*1000;
+}
+
+void ISR_left()
+{
+        offset -= 60*60*1000;
+}
+
+void ISR_rite()
+{
+        offset += 60*60*1000;
+}
+
+void ISR_center()
+{
+        offset -= (timer.read_ms()+ offset ) % (60 * 1000); 
+}
 
 int main()
 {
-    while(true) {
-        if(sw == 1) {
-            uart_tx.putc('1');
-            thread_sleep_for(200);
-        }
+    long time;
+    int hour=0, minute=0, second=0, mili=0;
+    Green = Red = 1;
+    
+    sw2.fall(&ISR_sw2);
+    sw3.fall(&ISR_sw3);
+    up.rise(&ISR_up);
+    down.rise(&ISR_down);
+    rite.rise(&ISR_rite);
+    left.rise(&ISR_left);
+    center.rise(&ISR_center);
+    
+    lcd.cls();
+    lcd.locate(0,6);
+    lcd.printf("Digital Clock!");
+    while(true){
+        time = timer.read_ms();
+        if(time + offset < 0)
+            offset = -time;
+        time = time + offset;
+        
+        mili = time % 100;
+        second = (time / 1000) % 60;
+        minute = ((time / 1000) / 60) % 60;
+        hour = ((time / 1000) / 3600) % 24;
+        lcd.locate(0,16);
+        lcd.printf("Current Time: %02d:%02d:%02d:%02d", hour, minute, second, mili);
+        thread_sleep_for(100);
     }
 }
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