USB device stack - modified
Fork of USBDevice by
USBAudio/USBAudio.h@12:a9671b78d24e, 2013-07-22 (annotated)
- Committer:
- setcom_001
- Date:
- Mon Jul 22 21:16:27 2013 +0000
- Revision:
- 12:a9671b78d24e
docs update
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
setcom_001 | 12:a9671b78d24e | 1 | /* Copyright (c) 2010-2011 mbed.org, MIT License |
setcom_001 | 12:a9671b78d24e | 2 | * |
setcom_001 | 12:a9671b78d24e | 3 | * Permission is hereby granted, free of charge, to any person obtaining a copy of this software |
setcom_001 | 12:a9671b78d24e | 4 | * and associated documentation files (the "Software"), to deal in the Software without |
setcom_001 | 12:a9671b78d24e | 5 | * restriction, including without limitation the rights to use, copy, modify, merge, publish, |
setcom_001 | 12:a9671b78d24e | 6 | * distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the |
setcom_001 | 12:a9671b78d24e | 7 | * Software is furnished to do so, subject to the following conditions: |
setcom_001 | 12:a9671b78d24e | 8 | * |
setcom_001 | 12:a9671b78d24e | 9 | * The above copyright notice and this permission notice shall be included in all copies or |
setcom_001 | 12:a9671b78d24e | 10 | * substantial portions of the Software. |
setcom_001 | 12:a9671b78d24e | 11 | * |
setcom_001 | 12:a9671b78d24e | 12 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING |
setcom_001 | 12:a9671b78d24e | 13 | * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND |
setcom_001 | 12:a9671b78d24e | 14 | * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, |
setcom_001 | 12:a9671b78d24e | 15 | * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
setcom_001 | 12:a9671b78d24e | 16 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. |
setcom_001 | 12:a9671b78d24e | 17 | */ |
setcom_001 | 12:a9671b78d24e | 18 | |
setcom_001 | 12:a9671b78d24e | 19 | #ifndef USBAudio_H |
setcom_001 | 12:a9671b78d24e | 20 | #define USBAudio_H |
setcom_001 | 12:a9671b78d24e | 21 | |
setcom_001 | 12:a9671b78d24e | 22 | /* These headers are included for child class. */ |
setcom_001 | 12:a9671b78d24e | 23 | #include "USBDevice/USBDevice/USBEndpoints.h" |
setcom_001 | 12:a9671b78d24e | 24 | #include "USBDevice/USBDevice/USBDescriptor.h" |
setcom_001 | 12:a9671b78d24e | 25 | #include "USBDevice/USBDevice/USBDevice_Types.h" |
setcom_001 | 12:a9671b78d24e | 26 | |
setcom_001 | 12:a9671b78d24e | 27 | #include "USBDevice/USBDevice/USBDevice.h" |
setcom_001 | 12:a9671b78d24e | 28 | |
setcom_001 | 12:a9671b78d24e | 29 | |
setcom_001 | 12:a9671b78d24e | 30 | /** |
setcom_001 | 12:a9671b78d24e | 31 | * USBAudio example |
setcom_001 | 12:a9671b78d24e | 32 | * |
setcom_001 | 12:a9671b78d24e | 33 | * #include "mbed.h" |
setcom_001 | 12:a9671b78d24e | 34 | * #include "USBAudio.h" |
setcom_001 | 12:a9671b78d24e | 35 | * |
setcom_001 | 12:a9671b78d24e | 36 | * Serial pc(USBTX, USBRX); |
setcom_001 | 12:a9671b78d24e | 37 | * |
setcom_001 | 12:a9671b78d24e | 38 | * // frequency: 48 kHz |
setcom_001 | 12:a9671b78d24e | 39 | * #define FREQ 48000 |
setcom_001 | 12:a9671b78d24e | 40 | * |
setcom_001 | 12:a9671b78d24e | 41 | * // 1 channel: mono |
setcom_001 | 12:a9671b78d24e | 42 | * #define NB_CHA 1 |
setcom_001 | 12:a9671b78d24e | 43 | * |
setcom_001 | 12:a9671b78d24e | 44 | * // length of an audio packet: each ms, we receive 48 * 16bits ->48 * 2 bytes. as there is one channel, the length will be 48 * 2 * 1 |
setcom_001 | 12:a9671b78d24e | 45 | * #define AUDIO_LENGTH_PACKET 48 * 2 * 1 |
setcom_001 | 12:a9671b78d24e | 46 | * |
setcom_001 | 12:a9671b78d24e | 47 | * // USBAudio |
setcom_001 | 12:a9671b78d24e | 48 | * USBAudio audio(FREQ, NB_CHA); |
setcom_001 | 12:a9671b78d24e | 49 | * |
setcom_001 | 12:a9671b78d24e | 50 | * int main() { |
setcom_001 | 12:a9671b78d24e | 51 | * int16_t buf[AUDIO_LENGTH_PACKET/2]; |
setcom_001 | 12:a9671b78d24e | 52 | * |
setcom_001 | 12:a9671b78d24e | 53 | * while (1) { |
setcom_001 | 12:a9671b78d24e | 54 | * // read an audio packet |
setcom_001 | 12:a9671b78d24e | 55 | * audio.read((uint8_t *)buf); |
setcom_001 | 12:a9671b78d24e | 56 | * |
setcom_001 | 12:a9671b78d24e | 57 | * |
setcom_001 | 12:a9671b78d24e | 58 | * // print packet received |
setcom_001 | 12:a9671b78d24e | 59 | * pc.printf("recv: "); |
setcom_001 | 12:a9671b78d24e | 60 | * for(int i = 0; i < AUDIO_LENGTH_PACKET/2; i++) { |
setcom_001 | 12:a9671b78d24e | 61 | * pc.printf("%d ", buf[i]); |
setcom_001 | 12:a9671b78d24e | 62 | * } |
setcom_001 | 12:a9671b78d24e | 63 | * pc.printf("\r\n"); |
setcom_001 | 12:a9671b78d24e | 64 | * } |
setcom_001 | 12:a9671b78d24e | 65 | * } |
setcom_001 | 12:a9671b78d24e | 66 | * @endcode |
setcom_001 | 12:a9671b78d24e | 67 | */ |
setcom_001 | 12:a9671b78d24e | 68 | class USBAudio: public USBDevice |
setcom_001 | 12:a9671b78d24e | 69 | { |
setcom_001 | 12:a9671b78d24e | 70 | public: |
setcom_001 | 12:a9671b78d24e | 71 | |
setcom_001 | 12:a9671b78d24e | 72 | /** |
setcom_001 | 12:a9671b78d24e | 73 | * Constructor |
setcom_001 | 12:a9671b78d24e | 74 | * |
setcom_001 | 12:a9671b78d24e | 75 | * @param frequency_in frequency in Hz (default: 48000) |
setcom_001 | 12:a9671b78d24e | 76 | * @param channel_nb_in channel number (1 or 2) (default: 1) |
setcom_001 | 12:a9671b78d24e | 77 | * @param frequency_out frequency in Hz (default: 8000) |
setcom_001 | 12:a9671b78d24e | 78 | * @param channel_nb_out_in channel number (1 or 2) (default: 1) |
setcom_001 | 12:a9671b78d24e | 79 | * @param vendor_id Your vendor_id |
setcom_001 | 12:a9671b78d24e | 80 | * @param product_id Your product_id |
setcom_001 | 12:a9671b78d24e | 81 | * @param product_release Your preoduct_release |
setcom_001 | 12:a9671b78d24e | 82 | */ |
setcom_001 | 12:a9671b78d24e | 83 | USBAudio( uint32_t frequency_in = 48000, uint8_t channel_nb_in = 1, uint32_t frequency_out = 8000, uint8_t channel_nb_out = 1, uint16_t vendor_id = 0x7bb8, uint16_t product_id = 0x1111, uint16_t product_release = 0x0100 ); |
setcom_001 | 12:a9671b78d24e | 84 | |
setcom_001 | 12:a9671b78d24e | 85 | /** |
setcom_001 | 12:a9671b78d24e | 86 | * Get current volume between 0.0 and 1.0 |
setcom_001 | 12:a9671b78d24e | 87 | * |
setcom_001 | 12:a9671b78d24e | 88 | * @returns volume |
setcom_001 | 12:a9671b78d24e | 89 | */ |
setcom_001 | 12:a9671b78d24e | 90 | float getVolume(); |
setcom_001 | 12:a9671b78d24e | 91 | |
setcom_001 | 12:a9671b78d24e | 92 | /** |
setcom_001 | 12:a9671b78d24e | 93 | * Read an audio packet. During a frame, only a single reading (you can't write and read an audio packet during the same frame)can be done using this method. Warning: Blocking |
setcom_001 | 12:a9671b78d24e | 94 | * |
setcom_001 | 12:a9671b78d24e | 95 | * @param buf pointer on a buffer which will be filled with an audio packet |
setcom_001 | 12:a9671b78d24e | 96 | * |
setcom_001 | 12:a9671b78d24e | 97 | * @returns true if successfull |
setcom_001 | 12:a9671b78d24e | 98 | */ |
setcom_001 | 12:a9671b78d24e | 99 | bool read( uint8_t *buf ); |
setcom_001 | 12:a9671b78d24e | 100 | |
setcom_001 | 12:a9671b78d24e | 101 | /** |
setcom_001 | 12:a9671b78d24e | 102 | * Try to read an audio packet. During a frame, only a single reading (you can't write and read an audio packet during the same frame)can be done using this method. Warning: Non Blocking |
setcom_001 | 12:a9671b78d24e | 103 | * |
setcom_001 | 12:a9671b78d24e | 104 | * @param buf pointer on a buffer which will be filled if an audio packet is available |
setcom_001 | 12:a9671b78d24e | 105 | * |
setcom_001 | 12:a9671b78d24e | 106 | * @returns true if successfull |
setcom_001 | 12:a9671b78d24e | 107 | */ |
setcom_001 | 12:a9671b78d24e | 108 | bool readNB( uint8_t *buf ); |
setcom_001 | 12:a9671b78d24e | 109 | |
setcom_001 | 12:a9671b78d24e | 110 | /** |
setcom_001 | 12:a9671b78d24e | 111 | * Write an audio packet. During a frame, only a single writing (you can't write and read an audio packet during the same frame)can be done using this method. |
setcom_001 | 12:a9671b78d24e | 112 | * |
setcom_001 | 12:a9671b78d24e | 113 | * @param buf pointer on the audio packet which will be sent |
setcom_001 | 12:a9671b78d24e | 114 | * @returns true if successful |
setcom_001 | 12:a9671b78d24e | 115 | */ |
setcom_001 | 12:a9671b78d24e | 116 | bool write( uint8_t *buf ); |
setcom_001 | 12:a9671b78d24e | 117 | |
setcom_001 | 12:a9671b78d24e | 118 | /** |
setcom_001 | 12:a9671b78d24e | 119 | * Write and read an audio packet at the same time (on the same frame) |
setcom_001 | 12:a9671b78d24e | 120 | * |
setcom_001 | 12:a9671b78d24e | 121 | * @param buf_read pointer on a buffer which will be filled with an audio packet |
setcom_001 | 12:a9671b78d24e | 122 | * @param buf_write pointer on the audio packet which will be sent |
setcom_001 | 12:a9671b78d24e | 123 | * @returns true if successful |
setcom_001 | 12:a9671b78d24e | 124 | */ |
setcom_001 | 12:a9671b78d24e | 125 | bool readWrite( uint8_t *buf_read, uint8_t *buf_write ); |
setcom_001 | 12:a9671b78d24e | 126 | |
setcom_001 | 12:a9671b78d24e | 127 | |
setcom_001 | 12:a9671b78d24e | 128 | /** attach a handler to update the volume |
setcom_001 | 12:a9671b78d24e | 129 | * |
setcom_001 | 12:a9671b78d24e | 130 | * @param function Function to attach |
setcom_001 | 12:a9671b78d24e | 131 | * |
setcom_001 | 12:a9671b78d24e | 132 | */ |
setcom_001 | 12:a9671b78d24e | 133 | void attach( void( *fptr )( void ) ) |
setcom_001 | 12:a9671b78d24e | 134 | { |
setcom_001 | 12:a9671b78d24e | 135 | updateVol.attach( fptr ); |
setcom_001 | 12:a9671b78d24e | 136 | } |
setcom_001 | 12:a9671b78d24e | 137 | |
setcom_001 | 12:a9671b78d24e | 138 | /** Attach a nonstatic void/void member function to update the volume |
setcom_001 | 12:a9671b78d24e | 139 | * |
setcom_001 | 12:a9671b78d24e | 140 | * @param tptr Object pointer |
setcom_001 | 12:a9671b78d24e | 141 | * @param mptr Member function pointer |
setcom_001 | 12:a9671b78d24e | 142 | * |
setcom_001 | 12:a9671b78d24e | 143 | */ |
setcom_001 | 12:a9671b78d24e | 144 | template<typename T> |
setcom_001 | 12:a9671b78d24e | 145 | void attach( T *tptr, void( T::*mptr )( void ) ) |
setcom_001 | 12:a9671b78d24e | 146 | { |
setcom_001 | 12:a9671b78d24e | 147 | updateVol.attach( tptr, mptr ); |
setcom_001 | 12:a9671b78d24e | 148 | } |
setcom_001 | 12:a9671b78d24e | 149 | |
setcom_001 | 12:a9671b78d24e | 150 | |
setcom_001 | 12:a9671b78d24e | 151 | protected: |
setcom_001 | 12:a9671b78d24e | 152 | |
setcom_001 | 12:a9671b78d24e | 153 | /* |
setcom_001 | 12:a9671b78d24e | 154 | * Called by USBDevice layer. Set configuration of the device. |
setcom_001 | 12:a9671b78d24e | 155 | * For instance, you can add all endpoints that you need on this function. |
setcom_001 | 12:a9671b78d24e | 156 | * |
setcom_001 | 12:a9671b78d24e | 157 | * @param configuration Number of the configuration |
setcom_001 | 12:a9671b78d24e | 158 | * @returns true if class handles this request |
setcom_001 | 12:a9671b78d24e | 159 | */ |
setcom_001 | 12:a9671b78d24e | 160 | virtual bool USBCallback_setConfiguration( uint8_t configuration ); |
setcom_001 | 12:a9671b78d24e | 161 | |
setcom_001 | 12:a9671b78d24e | 162 | /* |
setcom_001 | 12:a9671b78d24e | 163 | * Called by USBDevice on Endpoint0 request. Warning: Called in ISR context |
setcom_001 | 12:a9671b78d24e | 164 | * This is used to handle extensions to standard requests |
setcom_001 | 12:a9671b78d24e | 165 | * and class specific requests |
setcom_001 | 12:a9671b78d24e | 166 | * |
setcom_001 | 12:a9671b78d24e | 167 | * @returns true if class handles this request |
setcom_001 | 12:a9671b78d24e | 168 | */ |
setcom_001 | 12:a9671b78d24e | 169 | virtual bool USBCallback_request(); |
setcom_001 | 12:a9671b78d24e | 170 | |
setcom_001 | 12:a9671b78d24e | 171 | /* |
setcom_001 | 12:a9671b78d24e | 172 | * Get string product descriptor |
setcom_001 | 12:a9671b78d24e | 173 | * |
setcom_001 | 12:a9671b78d24e | 174 | * @returns pointer to the string product descriptor |
setcom_001 | 12:a9671b78d24e | 175 | */ |
setcom_001 | 12:a9671b78d24e | 176 | virtual uint8_t *stringIproductDesc(); |
setcom_001 | 12:a9671b78d24e | 177 | |
setcom_001 | 12:a9671b78d24e | 178 | /* |
setcom_001 | 12:a9671b78d24e | 179 | * Get string interface descriptor |
setcom_001 | 12:a9671b78d24e | 180 | * |
setcom_001 | 12:a9671b78d24e | 181 | * @returns pointer to the string interface descriptor |
setcom_001 | 12:a9671b78d24e | 182 | */ |
setcom_001 | 12:a9671b78d24e | 183 | virtual uint8_t *stringIinterfaceDesc(); |
setcom_001 | 12:a9671b78d24e | 184 | |
setcom_001 | 12:a9671b78d24e | 185 | /* |
setcom_001 | 12:a9671b78d24e | 186 | * Get configuration descriptor |
setcom_001 | 12:a9671b78d24e | 187 | * |
setcom_001 | 12:a9671b78d24e | 188 | * @returns pointer to the configuration descriptor |
setcom_001 | 12:a9671b78d24e | 189 | */ |
setcom_001 | 12:a9671b78d24e | 190 | virtual uint8_t *configurationDesc(); |
setcom_001 | 12:a9671b78d24e | 191 | |
setcom_001 | 12:a9671b78d24e | 192 | /* |
setcom_001 | 12:a9671b78d24e | 193 | * Called by USBDevice layer. Set interface/alternate of the device. |
setcom_001 | 12:a9671b78d24e | 194 | * |
setcom_001 | 12:a9671b78d24e | 195 | * @param interface Number of the interface to be configured |
setcom_001 | 12:a9671b78d24e | 196 | * @param alternate Number of the alternate to be configured |
setcom_001 | 12:a9671b78d24e | 197 | * @returns true if class handles this request |
setcom_001 | 12:a9671b78d24e | 198 | */ |
setcom_001 | 12:a9671b78d24e | 199 | virtual bool USBCallback_setInterface( uint16_t interface, uint8_t alternate ); |
setcom_001 | 12:a9671b78d24e | 200 | |
setcom_001 | 12:a9671b78d24e | 201 | /* |
setcom_001 | 12:a9671b78d24e | 202 | * Called by USBDevice on Endpoint0 request completion |
setcom_001 | 12:a9671b78d24e | 203 | * if the 'notify' flag has been set to true. Warning: Called in ISR context |
setcom_001 | 12:a9671b78d24e | 204 | * |
setcom_001 | 12:a9671b78d24e | 205 | * In this case it is used to indicate that a HID report has |
setcom_001 | 12:a9671b78d24e | 206 | * been received from the host on endpoint 0 |
setcom_001 | 12:a9671b78d24e | 207 | * |
setcom_001 | 12:a9671b78d24e | 208 | * @param buf buffer received on endpoint 0 |
setcom_001 | 12:a9671b78d24e | 209 | * @param length length of this buffer |
setcom_001 | 12:a9671b78d24e | 210 | */ |
setcom_001 | 12:a9671b78d24e | 211 | virtual void USBCallback_requestCompleted( uint8_t *buf, uint32_t length ); |
setcom_001 | 12:a9671b78d24e | 212 | |
setcom_001 | 12:a9671b78d24e | 213 | /* |
setcom_001 | 12:a9671b78d24e | 214 | * Callback called on each Start of Frame event |
setcom_001 | 12:a9671b78d24e | 215 | */ |
setcom_001 | 12:a9671b78d24e | 216 | virtual void SOF( int frameNumber ); |
setcom_001 | 12:a9671b78d24e | 217 | |
setcom_001 | 12:a9671b78d24e | 218 | /* |
setcom_001 | 12:a9671b78d24e | 219 | * Callback called when a packet is received |
setcom_001 | 12:a9671b78d24e | 220 | */ |
setcom_001 | 12:a9671b78d24e | 221 | virtual bool EP3_OUT_callback(); |
setcom_001 | 12:a9671b78d24e | 222 | |
setcom_001 | 12:a9671b78d24e | 223 | /* |
setcom_001 | 12:a9671b78d24e | 224 | * Callback called when a packet has been sent |
setcom_001 | 12:a9671b78d24e | 225 | */ |
setcom_001 | 12:a9671b78d24e | 226 | virtual bool EP3_IN_callback(); |
setcom_001 | 12:a9671b78d24e | 227 | |
setcom_001 | 12:a9671b78d24e | 228 | private: |
setcom_001 | 12:a9671b78d24e | 229 | |
setcom_001 | 12:a9671b78d24e | 230 | // stream available ? |
setcom_001 | 12:a9671b78d24e | 231 | volatile bool available; |
setcom_001 | 12:a9671b78d24e | 232 | |
setcom_001 | 12:a9671b78d24e | 233 | // interrupt OUT has been received |
setcom_001 | 12:a9671b78d24e | 234 | volatile bool interruptOUT; |
setcom_001 | 12:a9671b78d24e | 235 | |
setcom_001 | 12:a9671b78d24e | 236 | // interrupt IN has been received |
setcom_001 | 12:a9671b78d24e | 237 | volatile bool interruptIN; |
setcom_001 | 12:a9671b78d24e | 238 | |
setcom_001 | 12:a9671b78d24e | 239 | // audio packet has been written |
setcom_001 | 12:a9671b78d24e | 240 | volatile bool writeIN; |
setcom_001 | 12:a9671b78d24e | 241 | |
setcom_001 | 12:a9671b78d24e | 242 | // FREQ |
setcom_001 | 12:a9671b78d24e | 243 | uint32_t FREQ_OUT; |
setcom_001 | 12:a9671b78d24e | 244 | uint32_t FREQ_IN; |
setcom_001 | 12:a9671b78d24e | 245 | |
setcom_001 | 12:a9671b78d24e | 246 | // size of the maximum packet for the isochronous endpoint |
setcom_001 | 12:a9671b78d24e | 247 | uint32_t PACKET_SIZE_ISO_IN; |
setcom_001 | 12:a9671b78d24e | 248 | uint32_t PACKET_SIZE_ISO_OUT; |
setcom_001 | 12:a9671b78d24e | 249 | |
setcom_001 | 12:a9671b78d24e | 250 | // mono, stereo,... |
setcom_001 | 12:a9671b78d24e | 251 | uint8_t channel_nb_in; |
setcom_001 | 12:a9671b78d24e | 252 | uint8_t channel_nb_out; |
setcom_001 | 12:a9671b78d24e | 253 | |
setcom_001 | 12:a9671b78d24e | 254 | // channel config: master, left, right |
setcom_001 | 12:a9671b78d24e | 255 | uint8_t channel_config_in; |
setcom_001 | 12:a9671b78d24e | 256 | uint8_t channel_config_out; |
setcom_001 | 12:a9671b78d24e | 257 | |
setcom_001 | 12:a9671b78d24e | 258 | // mute state |
setcom_001 | 12:a9671b78d24e | 259 | uint8_t mute; |
setcom_001 | 12:a9671b78d24e | 260 | |
setcom_001 | 12:a9671b78d24e | 261 | // Volume Current Value |
setcom_001 | 12:a9671b78d24e | 262 | uint16_t volCur; |
setcom_001 | 12:a9671b78d24e | 263 | |
setcom_001 | 12:a9671b78d24e | 264 | // Volume Minimum Value |
setcom_001 | 12:a9671b78d24e | 265 | uint16_t volMin; |
setcom_001 | 12:a9671b78d24e | 266 | |
setcom_001 | 12:a9671b78d24e | 267 | // Volume Maximum Value |
setcom_001 | 12:a9671b78d24e | 268 | uint16_t volMax; |
setcom_001 | 12:a9671b78d24e | 269 | |
setcom_001 | 12:a9671b78d24e | 270 | // Volume Resolution |
setcom_001 | 12:a9671b78d24e | 271 | uint16_t volRes; |
setcom_001 | 12:a9671b78d24e | 272 | |
setcom_001 | 12:a9671b78d24e | 273 | // Buffer containing one audio packet (to be read) |
setcom_001 | 12:a9671b78d24e | 274 | volatile uint8_t *buf_stream_in; |
setcom_001 | 12:a9671b78d24e | 275 | |
setcom_001 | 12:a9671b78d24e | 276 | // Buffer containing one audio packet (to be written) |
setcom_001 | 12:a9671b78d24e | 277 | volatile uint8_t *buf_stream_out; |
setcom_001 | 12:a9671b78d24e | 278 | |
setcom_001 | 12:a9671b78d24e | 279 | // callback to update volume |
setcom_001 | 12:a9671b78d24e | 280 | FunctionPointer updateVol; |
setcom_001 | 12:a9671b78d24e | 281 | |
setcom_001 | 12:a9671b78d24e | 282 | // boolean showing that the SOF handler has been called. Useful for readNB. |
setcom_001 | 12:a9671b78d24e | 283 | volatile bool SOF_handler; |
setcom_001 | 12:a9671b78d24e | 284 | |
setcom_001 | 12:a9671b78d24e | 285 | volatile float volume; |
setcom_001 | 12:a9671b78d24e | 286 | |
setcom_001 | 12:a9671b78d24e | 287 | }; |
setcom_001 | 12:a9671b78d24e | 288 | |
setcom_001 | 12:a9671b78d24e | 289 | #endif |
setcom_001 | 12:a9671b78d24e | 290 |