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skeleton code project setup for mbed student thermostat lab - students must add code
Dependencies: PinDetect SDFileSystem TextLCD mbed
Fork of Two_Pushbutton_Debounce_Interrupt by
Revision 3:346ef671ef28, committed 2013-01-31
- Comitter:
- 4180_1
- Date:
- Thu Jan 31 19:02:24 2013 +0000
- Parent:
- 2:58d85409f7ff
- Commit message:
- ver 1.1
Changed in this revision
main.cpp | Show annotated file Show diff for this revision Revisions of this file |
diff -r 58d85409f7ff -r 346ef671ef28 main.cpp --- a/main.cpp Thu Jan 31 03:15:20 2013 +0000 +++ b/main.cpp Thu Jan 31 19:02:24 2013 +0000 @@ -85,11 +85,11 @@ // Setup Interrupt callback functions for a pb hit pb1.attach_deasserted(&pb1_hit_callback); pb2.attach_deasserted(&pb2_hit_callback); - pb3.attach_deasserted(&pb2_hit_callback); + pb3.attach_deasserted(&pb3_hit_callback); // Start sampling pb inputs using interrupts pb1.setSampleFrequency(); pb2.setSampleFrequency(); - pb2.setSampleFrequency(); + pb3.setSampleFrequency(); // pushbuttons now setup and running @@ -102,6 +102,8 @@ mySpeaker.PlayNote(500.0, 1.0, 1.0); // Speaker buzz myShiftbrite.write( 0, 50 ,0); // Green RGB LED // SD card write file example - prints error message on PC when running until SD card hooked up + // Delete to avoid blinking LED run time error + mkdir("/sd/mydir", 0777); // set up directory and permissions FILE *fp = fopen("/sd/mydir/sdtest.txt", "w"); //open SD if(fp == NULL) { error("Could not open file for write\n"); @@ -114,7 +116,7 @@ - // State machine code below will need changes + // State machine code below will need changes and additions while (1) { { enum Statetype { Heat_off = 0, Heat_on }; @@ -122,15 +124,18 @@ while(1) { switch (state) { case Heat_off: - myLED2 = 0; + myLED4 = 0; state = Heat_on; break; case Heat_on: - myLED2 = 1; + myLED4 = 1; state = Heat_off; break; } wait(0.33); + // heartbeat LED - common debug tool + // blinks as long as code is running and not locked up + myLED1=!myLED1; } } }