Posted on April 24, 2014 at 16:57/**
******************************************************************************
* @file usb_endp.c
* @author MCD Application Team
* @version V4.0.0
* @date 21-January-2013
* @brief Endpoint routines
******************************************************************************
* @attention
*
* <h2><center>© 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 ''hw_config.h''
#include ''usb_lib.h''
#include ''usb_istr.h''
/* Private typedef -----------------------------------------------------------*/
/* Private define ------------------------------------------------------------*/
/* Private macro -------------------------------------------------------------*/
/* Private variables ---------------------------------------------------------*/
uint8_t Receive_Buffer[64];
extern __IO uint8_t PrevXferComplete;
/* Private function prototypes -----------------------------------------------*/
/* Private functions ---------------------------------------------------------*/
/*******************************************************************************
* Function Name : EP1_OUT_Callback.
* Description : EP1 OUT Callback Routine.
* Input : None.
* Output : None.
* Return : None.
*******************************************************************************/
uint8_t kt=0;
uint8_t txBuff[64];
void EP1_OUT_Callback(void)
{
//ham nay quyet dinh se lam gi khi nhan duoc du lieu
uint8_t i;
USB_SIL_Read(EP1_OUT, Receive_Buffer);
if(Receive_Buffer[0]) {
GPIO_SetBits(GPIOB, GPIO_Pin_8 );
} else {
GPIO_ResetBits(GPIOB, GPIO_Pin_8 | GPIO_Pin_9);
}
//doc du lieu nhan duoc
//gui nguoc du lieu quay lai
//------------------------------------
if ((PrevXferComplete) && (bDeviceState == CONFIGURED))
{
Send_Buffer[0] = 0x05;
for(i=0; i<64; ++i) {
txBuff[i]=Receive_Buffer[i];
}
/* Write the descriptor through the endpoint */
USB_SIL_Write(EP1_IN, (uint8_t*) txBuff, 64);
SetEPTxValid(ENDP1);
PrevXferComplete = 0;
}
//------------------------------------
SetEPRxStatus(ENDP1, EP_RX_VALID);
}
/*******************************************************************************
* Function Name : EP1_IN_Callback.
* Description : EP1 IN Callback Routine.
* Input : None.
* Output : None.
* Return : None.
*******************************************************************************/
void EP1_IN_Callback(void)
{
PrevXferComplete = 1;
}
/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
