benoit poulain / Mbed 2 deprecated Exemple_Blinky

cours 1

Dependencies:   mbed USBDevice

main.cpp

Committer:
samux
Date:
2011-11-04
Revision:
1:4108aa07d2a7
Parent:
0:7145560b8847
Child:
2:4505f7d7196e

File content as of revision 1:4108aa07d2a7:

// 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 changes, 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);
    }
}