Krishna Kaushal Panduru
/
clock
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Revision 0:3330756dbb42, committed 2011-03-28
- Comitter:
- kaushalpkk
- Date:
- Mon Mar 28 15:51:48 2011 +0000
- Commit message:
Changed in this revision
| main.cpp | Show annotated file Show diff for this revision Revisions of this file |
| mbed.bld | Show annotated file Show diff for this revision Revisions of this file |
diff -r 000000000000 -r 3330756dbb42 main.cpp
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp Mon Mar 28 15:51:48 2011 +0000
@@ -0,0 +1,99 @@
+#include "mbed.h"
+
+//LEDs to indicate key presses
+DigitalOut myled1(LED1);
+DigitalOut myled2(LED2);
+DigitalOut myled3(LED3);
+
+//init serial trx throught USB
+Serial pc(USBTX, USBRX);
+
+//init 1 sec timer
+Ticker secs;
+
+//variables
+char x,y,z,t,u,min = 0,sec = 0,hr = 0;
+
+//mytick give a second of delay and print the time out.
+void mytick() {
+ sec++;
+ if (sec >= 59) {
+ sec = 0;
+ min ++;
+ if (min >= 59) {
+ min = 0;
+ hr ++;
+ if (hr >= 23) {
+ hr = 0;
+ }
+ }
+ }
+ pc.printf(" %d:%d:%d \r",hr,min,sec);
+}
+
+//software entry point
+void main(void){
+ //print general details
+ pc.printf("hour up/down = q/a\n\r");
+ pc.printf("minute up/down = w/s\n\r");
+ pc.printf("second up/down = e/d\r\n\n\n");
+ //activate the timer
+ secs.attach(&mytick,1);
+
+ //do forever
+ while (1) {
+
+ myled1 = 0;
+ myled2 = 0;
+ myled3 = 0;
+ //if any key is pressed, enter this portion of code
+ if (pc.readable() == 1) {
+ //get the character
+ char ch = pc.getc();
+ switch (ch) {
+ case 'q':
+ if (hr >= 23)
+ hr =0;
+ myled1 = 1;
+ hr++;
+ pc.printf(" %d:%d:%d \r",hr,min,sec);
+ break;
+ case 'a':
+ if (hr >= 23)
+ hr =0;
+ myled1 = 1;
+ hr--;
+ pc.printf(" %d:%d:%d \r",hr,min,sec);
+ break;
+ case 'w':
+ if (min >= 59)
+ min =0;
+ myled2 = 1;
+ min++;
+ pc.printf(" %d:%d:%d \r",hr,min,sec);
+ break;
+ case 's':
+ if (min >= 59)
+ min =0;
+ myled2 = 1;
+ min--;
+ pc.printf(" %d:%d:%d \r",hr,min,sec);
+ break;
+ case 'e':
+ if (sec >= 59)
+ sec =0;
+ myled3 = 1;
+ sec++;
+ pc.printf(" %d:%d:%d \r",hr,min,sec);
+ break;
+ case 'd':
+ if (sec >= 59)
+ sec =0;
+ myled3 = 1;
+ sec--;
+ pc.printf(" %d:%d:%d \r",hr,min,sec);
+ break;
+ }
+ }
+ }
+}
diff -r 000000000000 -r 3330756dbb42 mbed.bld --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/mbed.bld Mon Mar 28 15:51:48 2011 +0000 @@ -0,0 +1,1 @@ +http://mbed.org/users/mbed_official/code/mbed/builds/63bcd7ba4912