ST / AUDIO_DISCO_F746NG

Class for BSP AUDIO for DISCO_F746NG

Dependents:   DISCO-F746NG_Monttory_Base DISCO-F746NG_Monttory_Base DISCO-F746NG_AUDIO_demo DISCO-F746NG_AUDIO_demo_copy

AUDIO_DISCO_F746NG.h@0:6f035eff38e4, 2016-03-24 (annotated)

Committer:
adustm
Date:
Thu Mar 24 20:23:54 2016 +0000
Revision:
0:6f035eff38e4
Child:
1:7046ce26b7ed
DISCO_F746NG: AUDIO class to use BSP code.

Who changed what in which revision?

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adustm 0:6f035eff38e4 1 /* Copyright (c) 2010-2016 mbed.org, MIT License
adustm 0:6f035eff38e4 2 *
adustm 0:6f035eff38e4 3 * Permission is hereby granted, free of charge, to any person obtaining a copy of this software
adustm 0:6f035eff38e4 4 * and associated documentation files (the "Software"), to deal in the Software without
adustm 0:6f035eff38e4 5 * restriction, including without limitation the rights to use, copy, modify, merge, publish,
adustm 0:6f035eff38e4 6 * distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the
adustm 0:6f035eff38e4 7 * Software is furnished to do so, subject to the following conditions:
adustm 0:6f035eff38e4 8 *
adustm 0:6f035eff38e4 9 * The above copyright notice and this permission notice shall be included in all copies or
adustm 0:6f035eff38e4 10 * substantial portions of the Software.
adustm 0:6f035eff38e4 11 *
adustm 0:6f035eff38e4 12 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
adustm 0:6f035eff38e4 13 * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
adustm 0:6f035eff38e4 14 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
adustm 0:6f035eff38e4 15 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
adustm 0:6f035eff38e4 16 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
adustm 0:6f035eff38e4 17 */
adustm 0:6f035eff38e4 18
adustm 0:6f035eff38e4 19 #ifndef __AUDIO_DISCO_F746NG_H
adustm 0:6f035eff38e4 20 #define __AUDIO_DISCO_F746NG_H
adustm 0:6f035eff38e4 21
adustm 0:6f035eff38e4 22 #ifdef TARGET_DISCO_F746NG
adustm 0:6f035eff38e4 23
adustm 0:6f035eff38e4 24 #include "mbed.h"
adustm 0:6f035eff38e4 25 #include "stm32746g_discovery_audio.h"
adustm 0:6f035eff38e4 26
adustm 0:6f035eff38e4 27 /*
adustm 0:6f035eff38e4 28 This class drives the uSD card driver mounted on DISCO_F746NG board.
adustm 0:6f035eff38e4 29
adustm 0:6f035eff38e4 30 Usage:
adustm 0:6f035eff38e4 31
adustm 0:6f035eff38e4 32 #include "mbed.h"
adustm 0:6f035eff38e4 33 #include "AUDIO_DISCO_F746NG.h"
adustm 0:6f035eff38e4 34
adustm 0:6f035eff38e4 35 AUDIO_DISCO_F746NG audio;
adustm 0:6f035eff38e4 36
adustm 0:6f035eff38e4 37 int main()
adustm 0:6f035eff38e4 38 {
adustm 0:6f035eff38e4 39 audio.IN_OUT_Init(INPUT_DEVICE_DIGITAL_MICROPHONE_2, OUTPUT_DEVICE_HEADPHONE, 90, DEFAULT_AUDIO_IN_FREQ):
adustm 0:6f035eff38e4 40 audio.IN_Record((uint16_t*)AUDIO_BUFFER_IN, AUDIO_BLOCK_SIZE);
adustm 0:6f035eff38e4 41 audio.OUT_SetAudioFrameSlot(CODEC_AUDIOFRAME_SLOT_02);
adustm 0:6f035eff38e4 42 audio.OUT_Play((uint16_t*)AUDIO_BUFFER_OUT, AUDIO_BLOCK_SIZE * 2);
adustm 0:6f035eff38e4 43 while 1 {}
adustm 0:6f035eff38e4 44
adustm 0:6f035eff38e4 45 }
adustm 0:6f035eff38e4 46 */
adustm 0:6f035eff38e4 47 class AUDIO_DISCO_F746NG
adustm 0:6f035eff38e4 48 {
adustm 0:6f035eff38e4 49
adustm 0:6f035eff38e4 50 public:
adustm 0:6f035eff38e4 51 //! Constructor
adustm 0:6f035eff38e4 52 AUDIO_DISCO_F746NG();
adustm 0:6f035eff38e4 53
adustm 0:6f035eff38e4 54 //! Destructor
adustm 0:6f035eff38e4 55 ~AUDIO_DISCO_F746NG();
adustm 0:6f035eff38e4 56
adustm 0:6f035eff38e4 57 /**
adustm 0:6f035eff38e4 58 * @brief Configures the audio peripherals.
adustm 0:6f035eff38e4 59 * @param OutputDevice: OUTPUT_DEVICE_SPEAKER, OUTPUT_DEVICE_HEADPHONE,
adustm 0:6f035eff38e4 60 * or OUTPUT_DEVICE_BOTH.
adustm 0:6f035eff38e4 61 * @param Volume: Initial volume level (from 0 (Mute); to 100 (Max))
adustm 0:6f035eff38e4 62 * @param AudioFreq: Audio frequency used to play the audio stream.
adustm 0:6f035eff38e4 63 * @note The I2S PLL input clock must be done in the user application.
adustm 0:6f035eff38e4 64 * @retval AUDIO_OK if correct communication, else wrong communication
adustm 0:6f035eff38e4 65 */
adustm 0:6f035eff38e4 66 uint8_t OUT_Init(uint16_t OutputDevice, uint8_t Volume, uint32_t AudioFreq);
adustm 0:6f035eff38e4 67
adustm 0:6f035eff38e4 68 /**
adustm 0:6f035eff38e4 69 * @brief Starts playing audio stream from a data buffer for a determined size.
adustm 0:6f035eff38e4 70 * @param pBuffer: Pointer to the buffer
adustm 0:6f035eff38e4 71 * @param Size: Number of audio data in BYTES unit.
adustm 0:6f035eff38e4 72 * In memory, first element is for left channel, second element is for right channel
adustm 0:6f035eff38e4 73 * @retval AUDIO_OK if correct communication, else wrong communication
adustm 0:6f035eff38e4 74 */
adustm 0:6f035eff38e4 75 uint8_t OUT_Play(uint16_t* pBuffer, uint32_t Size);
adustm 0:6f035eff38e4 76
adustm 0:6f035eff38e4 77 /**
adustm 0:6f035eff38e4 78 * @brief Sends n-Bytes on the SAI interface.
adustm 0:6f035eff38e4 79 * @param pData: pointer on data address
adustm 0:6f035eff38e4 80 * @param Size: number of data to be written
adustm 0:6f035eff38e4 81 * @retval None
adustm 0:6f035eff38e4 82 */
adustm 0:6f035eff38e4 83 void OUT_ChangeBuffer(uint16_t *pData, uint16_t Size);
adustm 0:6f035eff38e4 84
adustm 0:6f035eff38e4 85 /**
adustm 0:6f035eff38e4 86 * @brief This function Pauses the audio file stream. In case
adustm 0:6f035eff38e4 87 * of using DMA, the DMA Pause feature is used.
adustm 0:6f035eff38e4 88 * @note When calling OUT_Pause(); function for pause, only
adustm 0:6f035eff38e4 89 * OUT_Resume(); function should be called for resume (use of BSP_AUDIO_OUT_Play()
adustm 0:6f035eff38e4 90 * function for resume could lead to unexpected behaviour);.
adustm 0:6f035eff38e4 91 * @retval AUDIO_OK if correct communication, else wrong communication
adustm 0:6f035eff38e4 92 */
adustm 0:6f035eff38e4 93 uint8_t OUT_Pause(void);
adustm 0:6f035eff38e4 94
adustm 0:6f035eff38e4 95 /**
adustm 0:6f035eff38e4 96 * @brief This function Resumes the audio file stream.
adustm 0:6f035eff38e4 97 * @note When calling OUT_Pause(); function for pause, only
adustm 0:6f035eff38e4 98 * OUT_Resume(); function should be called for resume (use of BSP_AUDIO_OUT_Play()
adustm 0:6f035eff38e4 99 * function for resume could lead to unexpected behaviour);.
adustm 0:6f035eff38e4 100 * @retval AUDIO_OK if correct communication, else wrong communication
adustm 0:6f035eff38e4 101 */
adustm 0:6f035eff38e4 102 uint8_t OUT_Resume(void);
adustm 0:6f035eff38e4 103
adustm 0:6f035eff38e4 104 /**
adustm 0:6f035eff38e4 105 * @brief Stops audio playing and Power down the Audio Codec.
adustm 0:6f035eff38e4 106 * @param Option: could be one of the following parameters
adustm 0:6f035eff38e4 107 * - CODEC_PDWN_SW: for software power off (by writing registers);.
adustm 0:6f035eff38e4 108 * Then no need to reconfigure the Codec after power on.
adustm 0:6f035eff38e4 109 * - CODEC_PDWN_HW: completely shut down the codec (physically);.
adustm 0:6f035eff38e4 110 * Then need to reconfigure the Codec after power on.
adustm 0:6f035eff38e4 111 * @retval AUDIO_OK if correct communication, else wrong communication
adustm 0:6f035eff38e4 112 */
adustm 0:6f035eff38e4 113 uint8_t OUT_Stop(uint32_t Option);
adustm 0:6f035eff38e4 114
adustm 0:6f035eff38e4 115 /**
adustm 0:6f035eff38e4 116 * @brief Controls the current audio volume level.
adustm 0:6f035eff38e4 117 * @param Volume: Volume level to be set in percentage from 0% to 100% (0 for
adustm 0:6f035eff38e4 118 * Mute and 100 for Max volume level);.
adustm 0:6f035eff38e4 119 * @retval AUDIO_OK if correct communication, else wrong communication
adustm 0:6f035eff38e4 120 */
adustm 0:6f035eff38e4 121 uint8_t OUT_SetVolume(uint8_t Volume);
adustm 0:6f035eff38e4 122
adustm 0:6f035eff38e4 123 /**
adustm 0:6f035eff38e4 124 * @brief Enables or disables the MUTE mode by software
adustm 0:6f035eff38e4 125 * @param Cmd: Could be AUDIO_MUTE_ON to mute sound or AUDIO_MUTE_OFF to
adustm 0:6f035eff38e4 126 * unmute the codec and restore previous volume level.
adustm 0:6f035eff38e4 127 * @retval AUDIO_OK if correct communication, else wrong communication
adustm 0:6f035eff38e4 128 */
adustm 0:6f035eff38e4 129 uint8_t OUT_SetMute(uint32_t Cmd);
adustm 0:6f035eff38e4 130
adustm 0:6f035eff38e4 131 /**
adustm 0:6f035eff38e4 132 * @brief Switch dynamically (while audio file is played); the output target
adustm 0:6f035eff38e4 133 * (speaker or headphone);.
adustm 0:6f035eff38e4 134 * @param Output: The audio output target: OUTPUT_DEVICE_SPEAKER,
adustm 0:6f035eff38e4 135 * OUTPUT_DEVICE_HEADPHONE or OUTPUT_DEVICE_BOTH
adustm 0:6f035eff38e4 136 * @retval AUDIO_OK if correct communication, else wrong communication
adustm 0:6f035eff38e4 137 */
adustm 0:6f035eff38e4 138 uint8_t OUT_SetOutputMode(uint8_t Output);
adustm 0:6f035eff38e4 139
adustm 0:6f035eff38e4 140 /**
adustm 0:6f035eff38e4 141 * @brief Updates the audio frequency.
adustm 0:6f035eff38e4 142 * @param AudioFreq: Audio frequency used to play the audio stream.
adustm 0:6f035eff38e4 143 * @note This API should be called after the OUT_Init(); to adjust the
adustm 0:6f035eff38e4 144 * audio frequency.
adustm 0:6f035eff38e4 145 * @retval None
adustm 0:6f035eff38e4 146 */
adustm 0:6f035eff38e4 147 void OUT_SetFrequency(uint32_t AudioFreq);
adustm 0:6f035eff38e4 148
adustm 0:6f035eff38e4 149 /**
adustm 0:6f035eff38e4 150 * @brief Updates the Audio frame slot configuration.
adustm 0:6f035eff38e4 151 * @param AudioFrameSlot: specifies the audio Frame slot
adustm 0:6f035eff38e4 152 * This parameter can be one of the following values
adustm 0:6f035eff38e4 153 * @arg CODEC_AUDIOFRAME_SLOT_0123
adustm 0:6f035eff38e4 154 * @arg CODEC_AUDIOFRAME_SLOT_02
adustm 0:6f035eff38e4 155 * @arg CODEC_AUDIOFRAME_SLOT_13
adustm 0:6f035eff38e4 156 * @note This API should be called after the OUT_Init(); to adjust the
adustm 0:6f035eff38e4 157 * audio frame slot.
adustm 0:6f035eff38e4 158 * @retval None
adustm 0:6f035eff38e4 159 */
adustm 0:6f035eff38e4 160 void OUT_SetAudioFrameSlot(uint32_t AudioFrameSlot);
adustm 0:6f035eff38e4 161
adustm 0:6f035eff38e4 162 /**
adustm 0:6f035eff38e4 163 * @brief Deinit the audio peripherals.
adustm 0:6f035eff38e4 164 * @retval None
adustm 0:6f035eff38e4 165 */
adustm 0:6f035eff38e4 166 void OUT_DeInit(void);
adustm 0:6f035eff38e4 167
adustm 0:6f035eff38e4 168 /**
adustm 0:6f035eff38e4 169 * @brief Tx Transfer completed callbacks.
adustm 0:6f035eff38e4 170 * @param hsai: SAI handle
adustm 0:6f035eff38e4 171 * @retval None
adustm 0:6f035eff38e4 172 */
adustm 0:6f035eff38e4 173 void HAL_SAI_TxCpltCallback(SAI_HandleTypeDef *hsai);
adustm 0:6f035eff38e4 174
adustm 0:6f035eff38e4 175 /**
adustm 0:6f035eff38e4 176 * @brief Tx Half Transfer completed callbacks.
adustm 0:6f035eff38e4 177 * @param hsai: SAI handle
adustm 0:6f035eff38e4 178 * @retval None
adustm 0:6f035eff38e4 179 */
adustm 0:6f035eff38e4 180 void HAL_SAI_TxHalfCpltCallback(SAI_HandleTypeDef *hsai);
adustm 0:6f035eff38e4 181
adustm 0:6f035eff38e4 182 /**
adustm 0:6f035eff38e4 183 * @brief SAI error callbacks.
adustm 0:6f035eff38e4 184 * @param hsai: SAI handle
adustm 0:6f035eff38e4 185 * @retval None
adustm 0:6f035eff38e4 186 */
adustm 0:6f035eff38e4 187 void HAL_SAI_ErrorCallback(SAI_HandleTypeDef *hsai);
adustm 0:6f035eff38e4 188
adustm 0:6f035eff38e4 189 /**
adustm 0:6f035eff38e4 190 * @brief Initializes the output Audio Codec audio interface (SAI);.
adustm 0:6f035eff38e4 191 * @param AudioFreq: Audio frequency to be configured for the SAI peripheral.
adustm 0:6f035eff38e4 192 * @note The default SlotActive configuration is set to CODEC_AUDIOFRAME_SLOT_0123
adustm 0:6f035eff38e4 193 * and user can update this configuration using
adustm 0:6f035eff38e4 194 * @retval None
adustm 0:6f035eff38e4 195 */
adustm 0:6f035eff38e4 196 static void SAIx_Out_Init(uint32_t AudioFreq);
adustm 0:6f035eff38e4 197
adustm 0:6f035eff38e4 198 /**
adustm 0:6f035eff38e4 199 * @brief Deinitializes the output Audio Codec audio interface (SAI);.
adustm 0:6f035eff38e4 200 * @retval None
adustm 0:6f035eff38e4 201 */
adustm 0:6f035eff38e4 202 static void SAIx_Out_DeInit(void);
adustm 0:6f035eff38e4 203
adustm 0:6f035eff38e4 204 /**
adustm 0:6f035eff38e4 205 * @brief Initializes wave recording.
adustm 0:6f035eff38e4 206 * @param InputDevice: INPUT_DEVICE_DIGITAL_MICROPHONE_2 or INPUT_DEVICE_INPUT_LINE_1
adustm 0:6f035eff38e4 207 * @param Volume: Initial volume level (in range 0(Mute);..80(+0dB)..100(+17.625dB))
adustm 0:6f035eff38e4 208 * @param AudioFreq: Audio frequency to be configured for the SAI peripheral.
adustm 0:6f035eff38e4 209 * @retval AUDIO_OK if correct communication, else wrong communication
adustm 0:6f035eff38e4 210 */
adustm 0:6f035eff38e4 211 uint8_t IN_Init(uint16_t InputDevice, uint8_t Volume, uint32_t AudioFreq);
adustm 0:6f035eff38e4 212
adustm 0:6f035eff38e4 213 /**
adustm 0:6f035eff38e4 214 * @brief Initializes wave recording and playback in parallel.
adustm 0:6f035eff38e4 215 * @param InputDevice: INPUT_DEVICE_DIGITAL_MICROPHONE_2
adustm 0:6f035eff38e4 216 * @param OutputDevice: OUTPUT_DEVICE_SPEAKER, OUTPUT_DEVICE_HEADPHONE,
adustm 0:6f035eff38e4 217 * or OUTPUT_DEVICE_BOTH.
adustm 0:6f035eff38e4 218 * @param Volume: Initial volume level (in range 0(Mute);..80(+0dB)..100(+17.625dB))
adustm 0:6f035eff38e4 219 * @param AudioFreq: Audio frequency to be configured for the SAI peripheral.
adustm 0:6f035eff38e4 220 * @retval AUDIO_OK if correct communication, else wrong communication
adustm 0:6f035eff38e4 221 */
adustm 0:6f035eff38e4 222 uint8_t IN_OUT_Init(uint16_t InputDevice, uint16_t OutputDevice, uint8_t Volume, uint32_t AudioFreq);
adustm 0:6f035eff38e4 223
adustm 0:6f035eff38e4 224 /**
adustm 0:6f035eff38e4 225 * @brief Starts audio recording.
adustm 0:6f035eff38e4 226 * @param pbuf: Main buffer pointer for the recorded data storing
adustm 0:6f035eff38e4 227 * @param size: size of the recorded buffer in number of elements (typically number of half-words);
adustm 0:6f035eff38e4 228 * Be careful that it is not the same unit than OUT_Play function
adustm 0:6f035eff38e4 229 * @retval AUDIO_OK if correct communication, else wrong communication
adustm 0:6f035eff38e4 230 */
adustm 0:6f035eff38e4 231 uint8_t IN_Record(uint16_t* pbuf, uint32_t size);
adustm 0:6f035eff38e4 232
adustm 0:6f035eff38e4 233 /**
adustm 0:6f035eff38e4 234 * @brief Stops audio recording.
adustm 0:6f035eff38e4 235 * @param Option: could be one of the following parameters
adustm 0:6f035eff38e4 236 * - CODEC_PDWN_SW: for software power off (by writing registers);.
adustm 0:6f035eff38e4 237 * Then no need to reconfigure the Codec after power on.
adustm 0:6f035eff38e4 238 * - CODEC_PDWN_HW: completely shut down the codec (physically);.
adustm 0:6f035eff38e4 239 * Then need to reconfigure the Codec after power on.
adustm 0:6f035eff38e4 240 * @retval AUDIO_OK if correct communication, else wrong communication
adustm 0:6f035eff38e4 241 */
adustm 0:6f035eff38e4 242 uint8_t IN_Stop(uint32_t Option);
adustm 0:6f035eff38e4 243
adustm 0:6f035eff38e4 244 /**
adustm 0:6f035eff38e4 245 * @brief Pauses the audio file stream.
adustm 0:6f035eff38e4 246 * @retval AUDIO_OK if correct communication, else wrong communication
adustm 0:6f035eff38e4 247 */
adustm 0:6f035eff38e4 248 uint8_t IN_Pause(void);
adustm 0:6f035eff38e4 249
adustm 0:6f035eff38e4 250 /**
adustm 0:6f035eff38e4 251 * @brief Resumes the audio file stream.
adustm 0:6f035eff38e4 252 * @retval AUDIO_OK if correct communication, else wrong communication
adustm 0:6f035eff38e4 253 */
adustm 0:6f035eff38e4 254 uint8_t IN_Resume(void);
adustm 0:6f035eff38e4 255
adustm 0:6f035eff38e4 256 /**
adustm 0:6f035eff38e4 257 * @brief Controls the audio in volume level.
adustm 0:6f035eff38e4 258 * @param Volume: Volume level in range 0(Mute);..80(+0dB)..100(+17.625dB)
adustm 0:6f035eff38e4 259 * @retval AUDIO_OK if correct communication, else wrong communication
adustm 0:6f035eff38e4 260 */
adustm 0:6f035eff38e4 261 uint8_t IN_SetVolume(uint8_t Volume);
adustm 0:6f035eff38e4 262
adustm 0:6f035eff38e4 263 /**
adustm 0:6f035eff38e4 264 * @brief Deinit the audio IN peripherals.
adustm 0:6f035eff38e4 265 * @retval None
adustm 0:6f035eff38e4 266 */
adustm 0:6f035eff38e4 267 void IN_DeInit(void);
adustm 0:6f035eff38e4 268
adustm 0:6f035eff38e4 269 /**
adustm 0:6f035eff38e4 270 * @brief Rx Transfer completed callbacks.
adustm 0:6f035eff38e4 271 * @param hsai: SAI handle
adustm 0:6f035eff38e4 272 * @retval None
adustm 0:6f035eff38e4 273 */
adustm 0:6f035eff38e4 274 void HAL_SAI_RxCpltCallback(SAI_HandleTypeDef *hsai);
adustm 0:6f035eff38e4 275
adustm 0:6f035eff38e4 276 /**
adustm 0:6f035eff38e4 277 * @brief Rx Half Transfer completed callbacks.
adustm 0:6f035eff38e4 278 * @param hsai: SAI handle
adustm 0:6f035eff38e4 279 * @retval None
adustm 0:6f035eff38e4 280 */
adustm 0:6f035eff38e4 281 void HAL_SAI_RxHalfCpltCallback(SAI_HandleTypeDef *hsai);
adustm 0:6f035eff38e4 282
adustm 0:6f035eff38e4 283 /**
adustm 0:6f035eff38e4 284 * @brief Initializes the input Audio Codec audio interface (SAI);.
adustm 0:6f035eff38e4 285 * @param SaiOutMode: SAI_MODEMASTER_TX (for record and playback in parallel);
adustm 0:6f035eff38e4 286 * or SAI_MODEMASTER_RX (for record only);.
adustm 0:6f035eff38e4 287 * @param SlotActive: CODEC_AUDIOFRAME_SLOT_02 or CODEC_AUDIOFRAME_SLOT_13
adustm 0:6f035eff38e4 288 * @param AudioFreq: Audio frequency to be configured for the SAI peripheral.
adustm 0:6f035eff38e4 289 * @retval None
adustm 0:6f035eff38e4 290 */
adustm 0:6f035eff38e4 291 static void SAIx_In_Init(uint32_t SaiOutMode, uint32_t SlotActive, uint32_t AudioFreq);
adustm 0:6f035eff38e4 292
adustm 0:6f035eff38e4 293 /**
adustm 0:6f035eff38e4 294 * @brief Deinitializes the output Audio Codec audio interface (SAI);.
adustm 0:6f035eff38e4 295 * @retval None
adustm 0:6f035eff38e4 296 */
adustm 0:6f035eff38e4 297 static void SAIx_In_DeInit(void);
adustm 0:6f035eff38e4 298
adustm 0:6f035eff38e4 299 private:
adustm 0:6f035eff38e4 300
adustm 0:6f035eff38e4 301 };
adustm 0:6f035eff38e4 302
adustm 0:6f035eff38e4 303 #else
adustm 0:6f035eff38e4 304 #error "This class must be used with DISCO_F746NG board only."
adustm 0:6f035eff38e4 305 #endif // TARGET_DISCO_F746NG
adustm 0:6f035eff38e4 306
adustm 0:6f035eff38e4 307 #endif