Diff: usb/usb_endp.c.bak
- Revision:
- 0:8f0d870509fe
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/usb/usb_endp.c.bak Mon Sep 04 12:04:13 2017 +0000
@@ -0,0 +1,89 @@
+/******************** (C) COPYRIGHT 2011 STMicroelectronics ********************
+ * File Name : usb_endp.c
+ * Author : MCD Application Team
+ * Version : V3.3.0
+ * Date : 21-March-2011
+ * Description : Endpoint routines
+ ********************************************************************************
+ * THE PRESENT FIRMWARE WHICH IS FOR GUIDANCE ONLY AIMS AT PROVIDING CUSTOMERS
+ * WITH CODING INFORMATION REGARDING THEIR PRODUCTS IN ORDER FOR THEM TO SAVE TIME.
+ * AS A RESULT, STMICROELECTRONICS SHALL NOT BE HELD LIABLE FOR ANY DIRECT,
+ * INDIRECT OR CONSEQUENTIAL DAMAGES WITH RESPECT TO ANY CLAIMS ARISING FROM THE
+ * CONTENT OF SUCH FIRMWARE AND/OR THE USE MADE BY CUSTOMERS OF THE CODING
+ * INFORMATION CONTAINED HEREIN IN CONNECTION WITH THEIR PRODUCTS.
+ *******************************************************************************/
+
+#include "usb_lib.h"
+#include "usb_desc.h"
+#include "usb_mem.h"
+#include "hw_config.h"
+#include "usb_istr.h"
+#include "usb_pwr.h"
+#include "serial.h"
+uint8_t USB_Rx_Buffer[VIRTUAL_COM_PORT_DATA_SIZE];
+
+extern uint8_t serial_tx_buffer[];
+extern uint8_t serial_tx_buffer_head;
+extern volatile uint8_t serial_tx_buffer_tail;
+
+void EP3_OUT_Callback(void)
+{
+ uint16_t USB_Rx_Cnt;
+
+ /* Get the received data buffer and update the counter */
+ USB_Rx_Cnt = USB_SIL_Read(EP3_OUT, USB_Rx_Buffer);
+
+ /* USB data will be immediately processed, this allow next USB traffic being
+ NAKed till the end of the USART Xfer */
+
+ OnUsbDataRx(USB_Rx_Buffer, USB_Rx_Cnt);
+
+ /* Enable the receive of data on EP3 */
+ SetEPRxValid(ENDP3);
+}
+
+void EP1_IN_Callback (void)
+{
+ if (serial_tx_buffer_head != serial_tx_buffer_tail)
+ {
+ uint16_t USB_Tx_length;
+
+ if (serial_tx_buffer_head > serial_tx_buffer_tail)
+ USB_Tx_length = serial_tx_buffer_head - serial_tx_buffer_tail;
+ else
+ {
+ USB_Tx_length = TX_BUFFER_SIZE - serial_tx_buffer_tail;
+ }
+
+ if (USB_Tx_length != 0)
+ {
+ if (USB_Tx_length > 64)
+ USB_Tx_length = 64;
+
+ UserToPMABufferCopy(serial_tx_buffer + serial_tx_buffer_tail, ENDP1_TXADDR, USB_Tx_length);
+ serial_tx_buffer_tail += USB_Tx_length;
+ if (serial_tx_buffer_tail == TX_BUFFER_SIZE)
+ serial_tx_buffer_tail = 0;
+
+ SetEPTxCount(ENDP1, USB_Tx_length);
+ SetEPTxValid(ENDP1);
+ }
+ }
+}
+
+
+/* \brief Start Of Frame (SOF) callback
+ */
+void SOF_Callback(void)
+{
+ if(bDeviceState == CONFIGURED)
+ {
+ /* Check the data to be sent through IN pipe */
+ if (_GetEPTxStatus(ENDP1) == EP_TX_NAK)
+ {
+ EP1_IN_Callback();
+ }
+ }
+}
+/******************* (C) COPYRIGHT 2011 STMicroelectronics *****END OF FILE****/
+