Pulse Detection in z-axis
Dependencies: MMA8451Q8b SLCD mbed
main.cpp@1:65b0e488f02a, 2015-01-26 (annotated)
- Committer:
- scohennm
- Date:
- Mon Jan 26 16:43:52 2015 +0000
- Revision:
- 1:65b0e488f02a
- Parent:
- 0:912303e63cbd
- Child:
- 2:17a0550771c4
Use of interrupts example for NMHU ambient computing class Sp2015. Shows input pin and timer type interrupts.
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
bcostm | 0:912303e63cbd | 1 | #include "mbed.h" |
scohennm | 1:65b0e488f02a | 2 | |
scohennm | 1:65b0e488f02a | 3 | #include "SLCD.h" |
scohennm | 1:65b0e488f02a | 4 | #define RELAYON 0 |
scohennm | 1:65b0e488f02a | 5 | #define RELAYOFF 1 |
scohennm | 1:65b0e488f02a | 6 | #define LEDDELAY 0.75 |
scohennm | 1:65b0e488f02a | 7 | #define WAITDELAY 3.0 |
bcostm | 0:912303e63cbd | 8 | |
scohennm | 1:65b0e488f02a | 9 | Ticker ledBlink; // timinginterrupt for RED led |
scohennm | 1:65b0e488f02a | 10 | InterruptIn mybutton(PTC3); //push botton with internal pullup |
scohennm | 1:65b0e488f02a | 11 | DigitalOut myled(LED_RED); // red led |
scohennm | 1:65b0e488f02a | 12 | DigitalOut relay(LED_GREEN); // green led |
scohennm | 1:65b0e488f02a | 13 | |
bcostm | 0:912303e63cbd | 14 | |
scohennm | 1:65b0e488f02a | 15 | float delay = WAITDELAY; |
scohennm | 1:65b0e488f02a | 16 | int relayState = RELAYOFF; |
scohennm | 1:65b0e488f02a | 17 | int outState = false; |
scohennm | 1:65b0e488f02a | 18 | SLCD slcd; //define LCD display |
scohennm | 1:65b0e488f02a | 19 | char LCDMessages[2][10] = {"TRUE", "FALS"}; |
scohennm | 1:65b0e488f02a | 20 | |
scohennm | 1:65b0e488f02a | 21 | |
scohennm | 1:65b0e488f02a | 22 | void LCDMess(char *lMess){ |
scohennm | 1:65b0e488f02a | 23 | slcd.Home();// message stays till next update |
scohennm | 1:65b0e488f02a | 24 | slcd.clear(); |
scohennm | 1:65b0e488f02a | 25 | slcd.printf(lMess); |
scohennm | 1:65b0e488f02a | 26 | } |
scohennm | 1:65b0e488f02a | 27 | |
scohennm | 1:65b0e488f02a | 28 | void LEDBlinker(){ // RED LED interrupt |
scohennm | 1:65b0e488f02a | 29 | outState = !outState; |
scohennm | 1:65b0e488f02a | 30 | myled.write(outState); |
scohennm | 1:65b0e488f02a | 31 | } |
scohennm | 1:65b0e488f02a | 32 | |
scohennm | 1:65b0e488f02a | 33 | |
scohennm | 1:65b0e488f02a | 34 | void pressed() // button intterupt |
bcostm | 0:912303e63cbd | 35 | { |
scohennm | 1:65b0e488f02a | 36 | relayState = !relayState; |
scohennm | 1:65b0e488f02a | 37 | relay.write(relayState); |
bcostm | 0:912303e63cbd | 38 | } |
scohennm | 1:65b0e488f02a | 39 | |
bcostm | 0:912303e63cbd | 40 | int main() |
bcostm | 0:912303e63cbd | 41 | { |
scohennm | 1:65b0e488f02a | 42 | myled.write(outState); |
scohennm | 1:65b0e488f02a | 43 | relay.write(relayState); |
bcostm | 0:912303e63cbd | 44 | mybutton.fall(&pressed); |
scohennm | 1:65b0e488f02a | 45 | ledBlink.attach(&LEDBlinker, LEDDELAY); |
scohennm | 1:65b0e488f02a | 46 | while (true) { |
scohennm | 1:65b0e488f02a | 47 | // other things can be put here. |
scohennm | 1:65b0e488f02a | 48 | LCDMess(LCDMessages[relayState]); |
bcostm | 0:912303e63cbd | 49 | wait(delay); |
bcostm | 0:912303e63cbd | 50 | } |
bcostm | 0:912303e63cbd | 51 | } |