benoit poulain
/
Exemple_Blinky
cours 1
Diff: main.cpp
- Revision:
- 0:7145560b8847
- Child:
- 1:4108aa07d2a7
diff -r 000000000000 -r 7145560b8847 main.cpp --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/main.cpp Fri Nov 04 11:44:41 2011 +0000 @@ -0,0 +1,32 @@ +// Hello World example for the USBMIDI library + +#include "mbed.h" +#include "USBMIDI.h" + +USBMIDI midi; + +//Bus of buttons +BusInOut buttons(p21, p22, p23, p24, p25, p26, p29); + +int main() { + uint8_t p_bus = 0; + uint8_t bus = 0; + uint8_t add; + while (1) { + //if buttons state change, send a MIDI message + bus = buttons.read(); + if (bus != p_bus) { + p_bus = bus; + if (p_bus) { + for (int i = 0; i < 7; i++) { + add = (p_bus & (1 << i)) ? (i + 1) : 0; + if (add) { + midi.write(MIDIMessage::NoteOn(48 + add)); + midi.write(MIDIMessage::NoteOff(48 + add)); + } + } + } + } + wait(0.001); + } +}