1 files changed, 71 insertions, 0 deletions
diff --git a/thirdparty/STM32_USB-FS-Device_Lib_V4.0.0/Projects/Audio_Speaker/src/usb_endp.c b/thirdparty/STM32_USB-FS-Device_Lib_V4.0.0/Projects/Audio_Speaker/src/usb_endp.c
new file mode 100644
index 0000000..ddf22ad
--- /dev/null
+++ b/thirdparty/STM32_USB-FS-Device_Lib_V4.0.0/Projects/Audio_Speaker/src/usb_endp.c
@@ -0,0 +1,71 @@
+/**
+  ******************************************************************************
+  * @file    usb_endp.c
+  * @author  MCD Application Team
+  * @version V4.0.0
+  * @date    21-January-2013
+  * @brief   Endpoint routines
+  ******************************************************************************
+  * @attention
+  *
+  * <h2><center>&copy; COPYRIGHT 2013 STMicroelectronics</center></h2>
+  *
+  * Licensed under MCD-ST Liberty SW License Agreement V2, (the "License");
+  * You may not use this file except in compliance with the License.
+  * You may obtain a copy of the License at:
+  *
+  *        http://www.st.com/software_license_agreement_liberty_v2
+  *
+  * Unless required by applicable law or agreed to in writing, software 
+  * distributed under the License is distributed on an "AS IS" BASIS, 
+  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+  * See the License for the specific language governing permissions and
+  * limitations under the License.
+  *
+  ******************************************************************************
+  */
+
+/* Includes ------------------------------------------------------------------*/
+#include "usb_lib.h"
+#include "usb_istr.h"
+
+/* Private typedef -----------------------------------------------------------*/
+/* Private define ------------------------------------------------------------*/
+/* Private macro -------------------------------------------------------------*/
+/* Private variables ---------------------------------------------------------*/
+uint8_t Stream_Buff[24];
+uint16_t In_Data_Offset;
+
+/* Extern variables ----------------------------------------------------------*/
+/* Private function prototypes -----------------------------------------------*/
+/* Extern function prototypes ------------------------------------------------*/
+/* Private functions ---------------------------------------------------------*/
+/*******************************************************************************
+* Function Name  : EP1_OUT_Callback
+* Description    : Endpoint 1 out callback routine.
+* Input          : None.
+* Output         : None.
+* Return         : None.
+*******************************************************************************/
+void EP1_OUT_Callback(void)
+{
+  uint16_t Data_Len;       /* data length*/
+  
+  if (GetENDPOINT(ENDP1) & EP_DTOG_TX)
+  {
+    /*read from ENDP1_BUF0Addr buffer*/
+    Data_Len = GetEPDblBuf0Count(ENDP1);
+    PMAToUserBufferCopy(Stream_Buff, ENDP1_BUF0Addr, Data_Len);
+  }
+  else
+  {
+    /*read from ENDP1_BUF1Addr buffer*/
+    Data_Len = GetEPDblBuf1Count(ENDP1);
+    PMAToUserBufferCopy(Stream_Buff, ENDP1_BUF1Addr, Data_Len);
+  }
+  FreeUserBuffer(ENDP1, EP_DBUF_OUT);
+  In_Data_Offset += Data_Len;
+}
+
+/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
+