src/main/vcp/usb_endp.c

   1 /**
   2  ******************************************************************************
   3  * @file    usb_endp.c
   4  * @author  MCD Application Team
   5  * @version V4.0.0
   6  * @date    21-January-2013
   7  * @brief   Endpoint routines
   8  ******************************************************************************
   9  * @attention
  10  *
  11  * <h2><center>&copy; COPYRIGHT 2013 STMicroelectronics</center></h2>
  12  *
  13  * Licensed under MCD-ST Liberty SW License Agreement V2, (the "License");
  14  * You may not use this file except in compliance with the License.
  15  * You may obtain a copy of the License at:
  16  *
  17  *        http://www.st.com/software_license_agreement_liberty_v2
  18  *
  19  * Unless required by applicable law or agreed to in writing, software
  20  * distributed under the License is distributed on an "AS IS" BASIS,
  21  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  22  * See the License for the specific language governing permissions and
  23  * limitations under the License.
  24  *
  25  ******************************************************************************
  26  */
  27
  28 /* Includes ------------------------------------------------------------------*/
  29 #include "usb_lib.h"
  30 #include "usb_desc.h"
  31 #include "usb_mem.h"
  32 #include "hw_config.h"
  33 #include "usb_istr.h"
  34 #include "usb_pwr.h"
  35
  36 /* Private typedef -----------------------------------------------------------*/
  37 /* Private define ------------------------------------------------------------*/
  38
  39 /* Interval between sending IN packets in frame number (1 frame = 1ms) */
  40 #define VCOMPORT_IN_FRAME_INTERVAL             5
  41 /* Private macro -------------------------------------------------------------*/
  42 /* Private variables ---------------------------------------------------------*/
  43 extern __IO uint32_t packetSent;         // HJI
  44 extern __IO uint8_t receiveBuffer[64];  // HJI
  45 __IO uint32_t receiveLength;             // HJI
  46 /* Private function prototypes -----------------------------------------------*/
  47 /* Private functions ---------------------------------------------------------*/
  48
  49 /*******************************************************************************
  50  * Function Name  : EP1_IN_Callback
  51  * Description    :
  52  * Input          : None.
  53  * Output         : None.
  54  * Return         : None.
  55  *******************************************************************************/
  56
  57 void EP1_IN_Callback(void)
  58 {
  59     packetSent = 0;  // HJI
  60 }
  61
  62 /*******************************************************************************
  63  * Function Name  : EP3_OUT_Callback
  64  * Description    :
  65  * Input          : None.
  66  * Output         : None.
  67  * Return         : None.
  68  *******************************************************************************/
  69 void EP3_OUT_Callback(void)
  70 {
  71     receiveLength = GetEPRxCount(ENDP3);                                              // HJI
  72     PMAToUserBufferCopy((unsigned char*)receiveBuffer, ENDP3_RXADDR, receiveLength);  // HJI
  73 }
  74
  75 /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/