My Fork of F401RE-USBHost. Add USBHostMIDI functions (originaled by Kaoru Shoji http://mbed.org/users/kshoji/code/USBHostMIDI/)
Dependents: F401RE-USBHostMIDI_RecieveExample
Fork of F401RE-USBHost by
Diff: USBHostMIDI/USBHostMIDI.h
- Revision:
- 18:bac56d0365e1
- Child:
- 22:81d8c59d1070
diff -r 4a710e2ba162 -r bac56d0365e1 USBHostMIDI/USBHostMIDI.h --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/USBHostMIDI/USBHostMIDI.h Wed Jun 25 20:48:01 2014 +0000 @@ -0,0 +1,159 @@ +/* USBHostMidi library + * Originaled by k.shoji + * porting by Takuya Urakawa + */ + +/* mbed USBHost Library + * Copyright (c) 2006-2013 ARM Limited + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#ifndef USBHOSTMIDI_H +#define USBHOSTMIDI_H + +#include "USBHostConf.h" + +#if USBHOST_MIDI + +#include "USBHost.h" + +// STM nucleo boards do not support mbed-rtos +//#include "MtxCircBuffer.h" +#include "CircBuffer.h" + +/** + * A class to communicate a USB MIDI device + */ +class USBHostMIDI : public IUSBEnumerator { +public: + /** + * Constructor + */ + USBHostMIDI(); + + /** + * Check if a USB MIDI device is connected + * + * @returns true if a midi device is connected + */ + bool connected(); + + /** + * Try to connect a midi device + * + * @return true if connection was successful + */ + bool connect(); + + /** + * Attach a callback called when note on is received + * + * @param ptr function pointer + */ + inline void attachNoteOn(void (*fn)(unsigned char, unsigned char, unsigned char)) { + if (fn != NULL) { + noteOn = fn; + } + } + + /** + * Attach a callback called when note off is received + * + * @param ptr function pointer + */ + inline void attachNoteOff(void (*fn)(unsigned char, unsigned char, unsigned char)) { + if (fn != NULL) { + noteOff = fn; + } + } + + /** + * Attach a callback called when control change is received + * + * @param ptr function pointer + */ + inline void attachControlChange(void (*fn)(unsigned char, unsigned char, unsigned char)) { + if (fn != NULL) { + controlChange = fn; + } + } + + /** + * Attach a callback called when program change is received + * + * @param ptr function pointer + */ + inline void attachProgramChange(void (*fn)(unsigned char, unsigned char)) { + if (fn != NULL) { + programChange = fn; + } + } + + /** + * Attach a callback called when pitch bend is received + * + * @param ptr function pointer + */ + inline void attachPitchBend(void (*fn)(unsigned char, unsigned int)) { + if (fn != NULL) { + pitchBend = fn; + } + } + + int sendNoteOn(unsigned char channel, unsigned char note, unsigned char velocity); + int sendNoteOff(unsigned char channel, unsigned char note, unsigned char velocity); + int sendControlChange(unsigned char channel, unsigned char key, unsigned char value); + int sendProgramChange(unsigned char channel, unsigned char program); + int sendPitchBend(unsigned char channel, unsigned int value); + + void poll(); + +protected: + //From IUSBEnumerator + virtual void setVidPid(uint16_t vid, uint16_t pid); + virtual bool parseInterface(uint8_t intf_nb, uint8_t intf_class, uint8_t intf_subclass, uint8_t intf_protocol); //Must return true if the interface should be parsed + virtual bool useEndpoint(uint8_t intf_nb, ENDPOINT_TYPE type, ENDPOINT_DIRECTION dir); //Must return true if the endpoint will be used + +private: + USBHost * host; + USBDeviceConnected * dev; + USBEndpoint * bulk_in; + USBEndpoint * bulk_out; + uint32_t size_bulk_in; + uint32_t size_bulk_out; + + bool dev_connected; + + void init(); + + CircBuffer<uint8_t, 128> circ_buf; + + uint8_t buf[128]; + + void rxHandler(); + + void (*noteOn)(unsigned char, unsigned char, unsigned char); + void (*noteOff)(unsigned char, unsigned char, unsigned char); + void (*controlChange)(unsigned char, unsigned char, unsigned char); + void (*programChange)(unsigned char, unsigned char); + void (*pitchBend)(unsigned char, unsigned int); + + int midi_intf; + bool midi_device_found; + +}; + +#endif + +#endif