Interactive Device Design / Mbed 2 deprecated ChordJoy

ChordJoy is a keyboard application that accepts chordal input from a set of digital ports, outputting letters and the chords that correspond to the piano keyboard keys the user has pressed.

Dependencies:   PinDetect_KL25Z mbed-rtos mbed

Files at this revision

API Documentation at this revision

Revision 2:49e2b1273f16, committed 2014-09-20

Comitter:
andrewhead
Date:
Sat Sep 20 21:19:25 2014 +0000
Parent:
1:b6b866a58a87
Child:
3:ed89297af2ce
Commit message:
Measure time on seconds resolution

Changed in this revision

main.cpp Show annotated file Show diff for this revision Revisions of this file 
--- a/main.cpp	Sat Sep 20 19:57:18 2014 +0000
+++ b/main.cpp	Sat Sep 20 21:19:25 2014 +0000
@@ -9,15 +9,16 @@
 // Flag that says whether we're waiting to collect input from other buttons
 // following one upward edge.
 bool flag = false;
+time_t startSeconds = time(NULL);
 
 InterruptIn buttons [BUTTONS] = {
+    InterruptIn(D2),
     InterruptIn(D4),
     InterruptIn(D5),
     InterruptIn(D8),
     InterruptIn(D9),
     InterruptIn(D10),
-    InterruptIn(D11),
-    InterruptIn(D2)
+    InterruptIn(D11)
 };
 Serial pc(USBTX, USBRX);
 
@@ -110,6 +111,8 @@
 void waitForChord(void) {
      /* Should be run in the main loop so that it can print */
      while (true) {
+        time_t currentSeconds = time(NULL);
+        time_t secondsPast = currentSeconds - startSeconds;
         if (flag == true) {
             pc.printf("Pressed\n");
             flag = false;
@@ -117,6 +120,7 @@
         else {
             pc.printf("Not pressed\n");   
         }
+        pc.printf("Seconds: %d\n", secondsPast);
         wait_ms(500);
     }   
 }