diff options
Diffstat (limited to 'Libraries/STM32_USB-FS-Device_Driver/src/usb_int.c')
| -rw-r--r-- | Libraries/STM32_USB-FS-Device_Driver/src/usb_int.c | 195 |
1 files changed, 0 insertions, 195 deletions
diff --git a/Libraries/STM32_USB-FS-Device_Driver/src/usb_int.c b/Libraries/STM32_USB-FS-Device_Driver/src/usb_int.c deleted file mode 100644 index 1c4065dc..00000000 --- a/Libraries/STM32_USB-FS-Device_Driver/src/usb_int.c +++ /dev/null @@ -1,195 +0,0 @@ -/**
- ******************************************************************************
- * @file usb_int.c
- * @author MCD Application Team
- * @version V4.0.0
- * @date 28-August-2012
- * @brief Endpoint CTR (Low and High) interrupt's service routines
- ******************************************************************************
- * @attention
- *
- * <h2><center>© COPYRIGHT 2012 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"
-
-/* Private typedef -----------------------------------------------------------*/
-/* Private define ------------------------------------------------------------*/
-/* Private macro -------------------------------------------------------------*/
-/* Private variables ---------------------------------------------------------*/
-__IO uint16_t SaveRState;
-__IO uint16_t SaveTState;
-
-/* Extern variables ----------------------------------------------------------*/
-extern void (*pEpInt_IN[7])(void); /* Handles IN interrupts */
-extern void (*pEpInt_OUT[7])(void); /* Handles OUT interrupts */
-
-/* Private function prototypes -----------------------------------------------*/
-/* Private functions ---------------------------------------------------------*/
-
-/*******************************************************************************
-* Function Name : CTR_LP.
-* Description : Low priority Endpoint Correct Transfer interrupt's service
-* routine.
-* Input : None.
-* Output : None.
-* Return : None.
-*******************************************************************************/
-void CTR_LP(void)
-{
- __IO uint16_t wEPVal = 0;
- /* stay in loop while pending interrupts */
- while (((wIstr = _GetISTR()) & ISTR_CTR) != 0)
- {
- /* extract highest priority endpoint number */
- EPindex = (uint8_t)(wIstr & ISTR_EP_ID);
- if (EPindex == 0)
- {
- /* Decode and service control endpoint interrupt */
- /* calling related service routine */
- /* (Setup0_Process, In0_Process, Out0_Process) */
-
- /* save RX & TX status */
- /* and set both to NAK */
-
- SaveRState = _GetENDPOINT(ENDP0);
- SaveTState = SaveRState & EPTX_STAT;
- SaveRState &= EPRX_STAT;
-
- _SetEPRxTxStatus(ENDP0,EP_RX_NAK,EP_TX_NAK);
-
- /* DIR bit = origin of the interrupt */
-
- if ((wIstr & ISTR_DIR) == 0)
- {
- /* DIR = 0 */
-
- /* DIR = 0 => IN int */
- /* DIR = 0 implies that (EP_CTR_TX = 1) always */
-
- _ClearEP_CTR_TX(ENDP0);
- In0_Process();
-
- /* before terminate set Tx & Rx status */
-
- _SetEPRxTxStatus(ENDP0,SaveRState,SaveTState);
- return;
- }
- else
- {
- /* DIR = 1 */
-
- /* DIR = 1 & CTR_RX => SETUP or OUT int */
- /* DIR = 1 & (CTR_TX | CTR_RX) => 2 int pending */
-
- wEPVal = _GetENDPOINT(ENDP0);
-
- if ((wEPVal &EP_SETUP) != 0)
- {
- _ClearEP_CTR_RX(ENDP0); /* SETUP bit kept frozen while CTR_RX = 1 */
- Setup0_Process();
- /* before terminate set Tx & Rx status */
-
- _SetEPRxTxStatus(ENDP0,SaveRState,SaveTState);
- return;
- }
-
- else if ((wEPVal & EP_CTR_RX) != 0)
- {
- _ClearEP_CTR_RX(ENDP0);
- Out0_Process();
- /* before terminate set Tx & Rx status */
-
- _SetEPRxTxStatus(ENDP0,SaveRState,SaveTState);
- return;
- }
- }
- }/* if(EPindex == 0) */
- else
- {
- /* Decode and service non control endpoints interrupt */
-
- /* process related endpoint register */
- wEPVal = _GetENDPOINT(EPindex);
- if ((wEPVal & EP_CTR_RX) != 0)
- {
- /* clear int flag */
- _ClearEP_CTR_RX(EPindex);
-
- /* call OUT service function */
- (*pEpInt_OUT[EPindex-1])();
-
- } /* if((wEPVal & EP_CTR_RX) */
-
- if ((wEPVal & EP_CTR_TX) != 0)
- {
- /* clear int flag */
- _ClearEP_CTR_TX(EPindex);
-
- /* call IN service function */
- (*pEpInt_IN[EPindex-1])();
- } /* if((wEPVal & EP_CTR_TX) != 0) */
-
- }/* if(EPindex == 0) else */
-
- }/* while(...) */
-}
-
-/*******************************************************************************
-* Function Name : CTR_HP.
-* Description : High Priority Endpoint Correct Transfer interrupt's service
-* routine.
-* Input : None.
-* Output : None.
-* Return : None.
-*******************************************************************************/
-void CTR_HP(void)
-{
- uint32_t wEPVal = 0;
-
- while (((wIstr = _GetISTR()) & ISTR_CTR) != 0)
- {
- _SetISTR((uint16_t)CLR_CTR); /* clear CTR flag */
- /* extract highest priority endpoint number */
- EPindex = (uint8_t)(wIstr & ISTR_EP_ID);
- /* process related endpoint register */
- wEPVal = _GetENDPOINT(EPindex);
- if ((wEPVal & EP_CTR_RX) != 0)
- {
- /* clear int flag */
- _ClearEP_CTR_RX(EPindex);
-
- /* call OUT service function */
- (*pEpInt_OUT[EPindex-1])();
-
- } /* if((wEPVal & EP_CTR_RX) */
- else if ((wEPVal & EP_CTR_TX) != 0)
- {
- /* clear int flag */
- _ClearEP_CTR_TX(EPindex);
-
- /* call IN service function */
- (*pEpInt_IN[EPindex-1])();
-
-
- } /* if((wEPVal & EP_CTR_TX) != 0) */
-
- }/* while(...) */
-}
-
-/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
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