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Code to control a device which produces annoying tones and haptic motor pulses over bluetooth.
Diff: main.cpp
- Revision:
- 0:44b37b90b0ef
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/main.cpp Wed Nov 02 20:28:27 2016 +0000 @@ -0,0 +1,114 @@ +#include "mbed.h" +#include "SongPlayer.h" +#include "DRV2605.h" + +Ticker speaker; +Ticker hapticMotor; +SongPlayer mySpeaker(p21); +DRV2605 haptics(p9, p10); +Serial Blue(p28,p27); +BusOut myled(LED1,LED2,LED3,LED4); + +//Global Variables +float note[1] = {0.0}; +float duration[1] = {0.0}; +int randomVibe = 0; +volatile bool button_ready = 0; +volatile int bnum = 0; +volatile int bhit = 0; +enum statetype {start = 0, got_exclm, got_B, got_num, got_hit}; +statetype state = start; + +// Random +volatile int interruptControl = 1; + +void parse_message() +{ + switch (state) { + case start: + if (Blue.getc()=='!') state = got_exclm; + else state = start; + break; + case got_exclm: + if (Blue.getc() == 'B') state = got_B; + else state = start; + break; + case got_B: + bnum = Blue.getc(); + state = got_num; + break; + case got_num: + bhit = Blue.getc(); + state = got_hit; + break; + case got_hit: + if (Blue.getc() == char(~('!' + ' B' + bnum + bhit))) button_ready = 1; + state = start; + break; + default: + Blue.getc(); + state = start; + } +} + +void speakerPB1 (void) +{ + while (bhit == '1') { + myled = 0x01; + note[0] = (static_cast <float> (rand()) / static_cast <float> (RAND_MAX))*6000.0 + 2000.0; + duration[0] = (static_cast <float> (rand()) / static_cast <float> (RAND_MAX))*0.1; + mySpeaker.PlaySong(note,duration); + } +} + +void motorPB2 (void) +{ + while (bhit == '1') { + myled = 0x0; + haptics.play_waveform(14); + } +} + +void motorISR (void) +{ + if (interruptControl == 1) { + randomVibe = rand()%123 + 1; // Produces random number from 1 to 123 + haptics.play_waveform(randomVibe); + } +} + +void speakerISR (void) +{ + if (interruptControl == 1) { + note[0] = (static_cast <float> (rand()) / static_cast <float> (RAND_MAX))*6000.0 + 2000.0; + duration[0] = (static_cast <float> (rand()) / static_cast <float> (RAND_MAX))*0.5; + mySpeaker.PlaySong(note,duration); + } +} + + +int main() +{ + Blue.attach(&parse_message,Serial::RxIrq); + hapticMotor.attach(&motorISR, 0.5); + speaker.attach(&speakerISR, 1.5); + + while(1) { + if (button_ready == 1 && bnum == '1') { + myled = 0x01; // + speakerPB1(); + } else if (button_ready == 1 && bnum == '2') { + myled = 0x02; + motorPB2(); + } else if (button_ready == 1 && bnum == '3') { + myled = 0x04; + interruptControl = 1; + } else if (button_ready == 1 && bnum == '4') { + myled = 0x08; + interruptControl = 0; + } + } +} + + +