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| 252 | /** |
252 | /** |
| 253 | * @brief Data received over USB OUT endpoint are sent over CDC interface |
253 | * @brief Data received over USB OUT endpoint are sent over CDC interface |
| 254 | * through this function. |
254 | * through this function. |
| 255 | * |
255 | * |
| 256 | * @note |
256 | * @note |
| 257 | * This function will block any OUT packet reception on USB endpoint |
257 | * This function will issue a NAK packet on any OUT packet received on |
| 258 | * untill exiting this function. If you exit this function before transfer |
258 | * USB endpoint until exiting this function. If you exit this function |
| 259 | * is complete on CDC interface (ie. using DMA controller) it will result |
259 | * before transfer is complete on CDC interface (ie. using DMA controller) |
| 260 | * in receiving more data while previous ones are still not sent. |
260 | * it will result in receiving more data while previous ones are still |
| - | 261 | * not sent. |
|
| 261 | * |
262 | * |
| 262 | * @param Buf: Buffer of data to be received |
263 | * @param Buf: Buffer of data to be received |
| 263 | * @param Len: Number of data received (in bytes) |
264 | * @param Len: Number of data received (in bytes) |
| 264 | * @retval Result of the operation: USBD_OK if all operations are OK else USBD_FAIL |
265 | * @retval Result of the operation: USBD_OK if all operations are OK else USBD_FAIL |
| 265 | */ |
266 | */ |