Suga koubou / Mbed 2 deprecated USB_CDC_MSD_Hello

USB CDC (serial) and USB MSC (strage) Composite Device. http://mbed.org/users/okini3939/notebook/USB_Device/

Dependencies:   ChaNFSSD mbed ChaNFS

USBDevice/USBMIDI/MIDIMessage.h@2:5db90410bb90, 2011-12-23 (annotated)

Committer:
okini3939
Date:
Fri Dec 23 16:37:58 2011 +0000
Revision:
2:5db90410bb90
Parent:
0:9b1d17d54055 

        

        
Who changed what in which revision?

        

            
                
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/* Copyright (c) 2010-2011 mbed.org, MIT License





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*





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* Permission is hereby granted, free of charge, to any person obtaining a copy of this software





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* and associated documentation files (the "Software"), to deal in the Software without





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* restriction, including without limitation the rights to use, copy, modify, merge, publish,





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* distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the





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* Software is furnished to do so, subject to the following conditions:





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*





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* The above copyright notice and this permission notice shall be included in all copies or





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* substantial portions of the Software.





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*





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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING





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* BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND





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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,





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* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,





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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.





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*/





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#ifndef MIDIMESSAGE_H





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#define MIDIMESSAGE_H





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#include "mbed.h"





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// MIDI Message Format





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// 





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// [ msg(4) | channel(4) ] [ 0 | n(7) ] [ 0 | m(7) ]





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//





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// MIDI Data Messages (Channel Specific)





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//





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// Message               msg n          m





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// ---------------------------------------------





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// Note Off              0x8 Key        Velocity





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// Note On               0x9 Key        Velocity





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// Polyphonic Aftertouch 0xA Key        Pressure





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// Control Change        0xB Controller Value





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// Program Change        0xC Program    -





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// Channel Aftertouch    0xD Pressure   -





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// Pitch Wheel           0xE LSB        MSB





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#define CABLE_NUM (0<<4)





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/** A MIDI message container */





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class MIDIMessage {





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public:





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    MIDIMessage() {}





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    MIDIMessage(uint8_t *buf) {





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        *((uint32_t *)data) = *((uint32_t *)buf);





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    }





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    // create messages





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    /** Create a NoteOff message 





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     * @param key Key ID





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     * @param velocity Key velocity (0-127, default = 127)





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     * @param channel Key channel (0-15, default 0)





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     * @returns A MIDIMessage





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     */





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    static MIDIMessage NoteOff(int key, int velocity = 127, int channel = 0) {





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        MIDIMessage msg;





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        msg.data[0] = CABLE_NUM | 0x08;





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        msg.data[1] = 0x80 | (channel & 0x0F);





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        msg.data[2] = key & 0x7F;





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        msg.data[3] = velocity & 0x7F; 





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        return msg;





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    }





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    /** Create a NoteOn message 





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     * @param key Key ID





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     * @param velocity Key velocity (0-127, default = 127)





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     * @param channel Key channel (0-15, default 0)





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     * @returns A MIDIMessage





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     */





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    static MIDIMessage NoteOn(int key, int velocity = 127, int channel = 0) {





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        MIDIMessage msg;





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        msg.data[0] = CABLE_NUM | 0x09;





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        msg.data[1] = 0x90 | (channel & 0x0F);





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        msg.data[2] = key & 0x7F;





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        msg.data[3] = velocity & 0x7F;                 





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        return msg;





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    }





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    /** Create a PolyPhonic Aftertouch message 





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     * @param key Key ID





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     * @param pressure Aftertouch pressure (0-127)





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     * @param channel Key channel (0-15, default 0)





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     * @returns A MIDIMessage





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     */    





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    static MIDIMessage PolyphonicAftertouch(int key, int pressure, int channel = 0) {





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        MIDIMessage msg;





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        msg.data[0] = CABLE_NUM | 0x0A;





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        msg.data[1] = 0xA0 | (channel & 0x0F);





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        msg.data[2] = key & 0x7F;





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        msg.data[3] = pressure & 0x7F;         





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        return msg;





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    }





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    /** Create a Control Change message 





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     * @param control Controller ID





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     * @param value Controller value (0-127)





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     * @param channel Controller channel (0-15, default 0)





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     * @returns A MIDIMessage





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     */





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    static MIDIMessage ControlChange(int control, int value, int channel = 0) {





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        MIDIMessage msg;





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        msg.data[0] = CABLE_NUM | 0x0B;





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        msg.data[1] = 0xB0 | (channel & 0x0F);





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        msg.data[2] = control & 0x7F;





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        msg.data[3] = value & 0x7F;         





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        return msg;





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    }





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    /** Create a Program Change message 





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     * @param program Program ID





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     * @param channel Channel (0-15, default 0)





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     * @returns A MIDIMessage





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     */    





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    static MIDIMessage ProgramChange(int program, int channel = 0) {





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        MIDIMessage msg;





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        msg.data[0] = CABLE_NUM | 0x0C;





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        msg.data[1] = 0xC0 | (channel & 0x0F);





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        msg.data[2] = program & 0x7F;





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        msg.data[3] = 0x00;         





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        return msg;





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    }





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    /** Create a Channel Aftertouch message 





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     * @param pressure Pressure 





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     * @param channel Key channel (0-15, default 0)





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     * @returns A MIDIMessage





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     */    





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    static MIDIMessage ChannelAftertouch(int pressure, int channel = 0) {





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        MIDIMessage msg;





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        msg.data[0] = CABLE_NUM | 0x0D;





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        msg.data[1] = 0xD0 | (channel & 0x0F);





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        msg.data[2] = pressure & 0x7F;





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        msg.data[3] = 0x00;         





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        return msg;





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    }





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    /** Create a Pitch Wheel message 





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     * @param pitch Pitch (-8192 - 8191, default = 0)





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     * @param channel Channel (0-15, default 0)





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     * @returns A MIDIMessage





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     */    





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    static MIDIMessage PitchWheel(int pitch = 0, int channel = 0) {





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        MIDIMessage msg;





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        int p = pitch + 8192;    // 0 - 16383, 8192 is center





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        msg.data[0] = CABLE_NUM | 0x0E;





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        msg.data[1] = 0xE0 | (channel & 0x0F);





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        msg.data[2] = p & 0x7F;





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        msg.data[3] = (p >> 7) & 0x7F;                 





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        return msg;





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    }





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    /** Create an All Notes Off message 





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     * @param channel Channel (0-15, default 0)





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     * @returns A MIDIMessage





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     */    





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    static MIDIMessage AllNotesOff(int channel = 0) {





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        return ControlChange(123, 0, channel);





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    }





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    // decode messages





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    /** MIDI Message Types */





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    enum MIDIMessageType {





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        ErrorType,





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        NoteOffType,





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        NoteOnType,





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        PolyphonicAftertouchType,





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        ControlChangeType,





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        ProgramChangeType,





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        ChannelAftertouchType,





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        PitchWheelType,





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        AllNotesOffType





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    };





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    /** Read the message type





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     * @returns MIDIMessageType





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     */    





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    MIDIMessageType type() {





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        switch((data[1] >> 4) & 0xF) {





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            case 0x8: return NoteOffType;





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            case 0x9: return NoteOnType;





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            case 0xA: return PolyphonicAftertouchType;





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            case 0xB: 





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                if(controller() < 120) { // standard controllers





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                    return ControlChangeType;





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                } else if(controller() == 123) {





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                    return AllNotesOffType;





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                } else {





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                    return ErrorType; // unsupported atm





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                }





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            case 0xC: return ProgramChangeType;





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            case 0xD: return ChannelAftertouchType;





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            case 0xE: return PitchWheelType;





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            default: return ErrorType;





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        }





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    }





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    /** Read the channel number */    





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    int channel() {





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        return (data[1] & 0x0F);





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    }





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    /** Read the key ID */    





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    int key() {





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        return (data[2] & 0x7F);        





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    }





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    /** Read the velocity */    





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    int velocity() {





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        return (data[3] & 0x7F);        





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    }





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    /** Read the controller value */    





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    int value() {





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        return (data[3] & 0x7F);        





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    }





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    /** Read the aftertouch pressure */        





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    int pressure() {





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        if(type() == PolyphonicAftertouchType) {





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            return (data[3] & 0x7F);        





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        } else {





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            return (data[2] & 0x7F);        





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        }





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    }





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    /** Read the controller number */    





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    int controller() {





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        return (data[2] & 0x7F);        





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    }





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    /** Read the program number */    





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    int program() {





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        return (data[2] & 0x7F);        





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    }





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    /** Read the pitch value */        





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    int pitch() {





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        int p = ((data[3] & 0x7F) << 7) | (data[2] & 0x7F);





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        return p - 8192; // 0 - 16383, 8192 is center





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    }





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    uint8_t data[4];





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};    





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#endif