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Dependencies:   BLE_API mbed nRF51822_BLE_MIDI

Dependents:   BLE_MIDI_one_note_TEST

Fork of BLE_MIDI by Kaoru Shoji

main.cpp@2:dbc6f81b9ba0, 2015-04-06 (annotated)

Committer:
kshoji
Date:
Mon Apr 06 09:10:07 2015 +0000
Revision:
2:dbc6f81b9ba0
Parent:
1:cba2eba64f5c 
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Who changed what in which revision?

UserRevisionLine numberNew contents of line
kshoji 0:83889dc90473 1 #include "mbed.h"
kshoji 0:83889dc90473 2 #include "BLEDevice.h"
kshoji 0:83889dc90473 3 #include "BLEMIDI.h"
kshoji 2:dbc6f81b9ba0 4 #include "math.h"
kshoji 0:83889dc90473 5
kshoji 0:83889dc90473 6 BLEDevice device;
kshoji 0:83889dc90473 7 BLEMIDI bleMidi(&device);
kshoji 0:83889dc90473 8
kshoji 2:dbc6f81b9ba0 9 PwmOut sound(P0_0);
kshoji 0:83889dc90473 10
kshoji 0:83889dc90473 11 void disconnectionCallback(Gap::Handle_t handle, Gap::DisconnectionReason_t reason) {
kshoji 0:83889dc90473 12 bleMidi.onBleDisconnection(handle, reason);
kshoji 0:83889dc90473 13 }
kshoji 0:83889dc90473 14
kshoji 0:83889dc90473 15 void connectionCallback(Gap::Handle_t handle, Gap::addr_type_t type, const Gap::address_t addr, const Gap::ConnectionParams_t *params) {
kshoji 0:83889dc90473 16 bleMidi.onBleConnection(handle, type, addr, params);
kshoji 0:83889dc90473 17 }
kshoji 0:83889dc90473 18
kshoji 0:83889dc90473 19 void onNoteOn(uint8_t channel, uint8_t note, uint8_t velocity) {
kshoji 2:dbc6f81b9ba0 20 sound.write(0.5f);
kshoji 2:dbc6f81b9ba0 21 sound.period(1.0f / (440.0f * (float)pow(2.0, (note - 69.0) / 12.0)));
kshoji 0:83889dc90473 22 }
kshoji 0:83889dc90473 23
kshoji 0:83889dc90473 24 void onNoteOff(uint8_t channel, uint8_t note, uint8_t velocity) {
kshoji 2:dbc6f81b9ba0 25 sound.pulsewidth(0);
kshoji 0:83889dc90473 26 }
kshoji 0:83889dc90473 27
kshoji 0:83889dc90473 28 int main(void) {
kshoji 0:83889dc90473 29 device.onConnection(connectionCallback);
kshoji 0:83889dc90473 30 device.onDisconnection(disconnectionCallback);
kshoji 0:83889dc90473 31
kshoji 0:83889dc90473 32 bleMidi.attachNoteOn(onNoteOn);
kshoji 0:83889dc90473 33 bleMidi.attachNoteOff(onNoteOff);
kshoji 0:83889dc90473 34
kshoji 0:83889dc90473 35 for (;;) {
kshoji 0:83889dc90473 36 device.waitForEvent();
kshoji 0:83889dc90473 37 }
kshoji 0:83889dc90473 38 }