diff options
| author | Damien George | 2014-03-14 00:30:37 +0000 |
|---|---|---|
| committer | Damien George | 2014-03-14 00:30:37 +0000 |
| commit | b30c02afa078f7713faa14087ae28433dee49027 (patch) | |
| tree | 55fceb0630addde69dd52a3e2f8e8dc2f1be2015 /stmhal/usbdev/core/src/usbd_ioreq.c | |
| parent | 536dde254be99e19700a0934af38b913256475e3 (diff) | |
stmhal: Get USB enumerating a CDC device.
Enumerates CDC device over USB, but doesn't transmit/receive yet.
Diffstat (limited to 'stmhal/usbdev/core/src/usbd_ioreq.c')
| -rw-r--r-- | stmhal/usbdev/core/src/usbd_ioreq.c | 236 |
1 files changed, 236 insertions, 0 deletions
diff --git a/stmhal/usbdev/core/src/usbd_ioreq.c b/stmhal/usbdev/core/src/usbd_ioreq.c new file mode 100644 index 000000000..9e396ba56 --- /dev/null +++ b/stmhal/usbdev/core/src/usbd_ioreq.c @@ -0,0 +1,236 @@ +/**
+ ******************************************************************************
+ * @file usbd_ioreq.c
+ * @author MCD Application Team
+ * @version V2.0.0
+ * @date 18-February-2014
+ * @brief This file provides the IO requests APIs for control endpoints.
+ ******************************************************************************
+ * @attention
+ *
+ * <h2><center>© COPYRIGHT 2014 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 "usbd_ioreq.h"
+
+/** @addtogroup STM32_USB_OTG_DEVICE_LIBRARY
+ * @{
+ */
+
+
+/** @defgroup USBD_IOREQ
+ * @brief control I/O requests module
+ * @{
+ */
+
+/** @defgroup USBD_IOREQ_Private_TypesDefinitions
+ * @{
+ */
+/**
+ * @}
+ */
+
+
+/** @defgroup USBD_IOREQ_Private_Defines
+ * @{
+ */
+
+/**
+ * @}
+ */
+
+
+/** @defgroup USBD_IOREQ_Private_Macros
+ * @{
+ */
+/**
+ * @}
+ */
+
+
+/** @defgroup USBD_IOREQ_Private_Variables
+ * @{
+ */
+
+/**
+ * @}
+ */
+
+
+/** @defgroup USBD_IOREQ_Private_FunctionPrototypes
+ * @{
+ */
+/**
+ * @}
+ */
+
+
+/** @defgroup USBD_IOREQ_Private_Functions
+ * @{
+ */
+
+/**
+* @brief USBD_CtlSendData
+* send data on the ctl pipe
+* @param pdev: device instance
+* @param buff: pointer to data buffer
+* @param len: length of data to be sent
+* @retval status
+*/
+USBD_StatusTypeDef USBD_CtlSendData (USBD_HandleTypeDef *pdev,
+ uint8_t *pbuf,
+ uint16_t len)
+{
+ /* Set EP0 State */
+ pdev->ep0_state = USBD_EP0_DATA_IN;
+ pdev->ep_in[0].total_length = len;
+ pdev->ep_in[0].rem_length = len;
+ /* Start the transfer */
+ USBD_LL_Transmit (pdev, 0x00, pbuf, len);
+
+ return USBD_OK;
+}
+
+/**
+* @brief USBD_CtlContinueSendData
+* continue sending data on the ctl pipe
+* @param pdev: device instance
+* @param buff: pointer to data buffer
+* @param len: length of data to be sent
+* @retval status
+*/
+USBD_StatusTypeDef USBD_CtlContinueSendData (USBD_HandleTypeDef *pdev,
+ uint8_t *pbuf,
+ uint16_t len)
+{
+ /* Start the next transfer */
+ USBD_LL_Transmit (pdev, 0x00, pbuf, len);
+
+ return USBD_OK;
+}
+
+/**
+* @brief USBD_CtlPrepareRx
+* receive data on the ctl pipe
+* @param pdev: USB OTG device instance
+* @param buff: pointer to data buffer
+* @param len: length of data to be received
+* @retval status
+*/
+USBD_StatusTypeDef USBD_CtlPrepareRx (USBD_HandleTypeDef *pdev,
+ uint8_t *pbuf,
+ uint16_t len)
+{
+ /* Set EP0 State */
+ pdev->ep0_state = USBD_EP0_DATA_OUT;
+ pdev->ep_out[0].total_length = len;
+ pdev->ep_out[0].rem_length = len;
+ /* Start the transfer */
+ USBD_LL_PrepareReceive (pdev,
+ 0,
+ pbuf,
+ len);
+
+ return USBD_OK;
+}
+
+/**
+* @brief USBD_CtlContinueRx
+* continue receive data on the ctl pipe
+* @param pdev: USB OTG device instance
+* @param buff: pointer to data buffer
+* @param len: length of data to be received
+* @retval status
+*/
+USBD_StatusTypeDef USBD_CtlContinueRx (USBD_HandleTypeDef *pdev,
+ uint8_t *pbuf,
+ uint16_t len)
+{
+
+ USBD_LL_PrepareReceive (pdev,
+ 0,
+ pbuf,
+ len);
+ return USBD_OK;
+}
+/**
+* @brief USBD_CtlSendStatus
+* send zero lzngth packet on the ctl pipe
+* @param pdev: USB OTG device instance
+* @retval status
+*/
+USBD_StatusTypeDef USBD_CtlSendStatus (USBD_HandleTypeDef *pdev)
+{
+
+ /* Set EP0 State */
+ pdev->ep0_state = USBD_EP0_STATUS_IN;
+
+ /* Start the transfer */
+ USBD_LL_Transmit (pdev, 0x00, NULL, 0);
+
+ return USBD_OK;
+}
+
+/**
+* @brief USBD_CtlReceiveStatus
+* receive zero lzngth packet on the ctl pipe
+* @param pdev: USB OTG device instance
+* @retval status
+*/
+USBD_StatusTypeDef USBD_CtlReceiveStatus (USBD_HandleTypeDef *pdev)
+{
+ /* Set EP0 State */
+ pdev->ep0_state = USBD_EP0_STATUS_OUT;
+
+ /* Start the transfer */
+ USBD_LL_PrepareReceive ( pdev,
+ 0,
+ NULL,
+ 0);
+
+ return USBD_OK;
+}
+
+
+/**
+* @brief USBD_GetRxCount
+* returns the received data length
+* @param pdev: USB OTG device instance
+* epnum: endpoint index
+* @retval Rx Data blength
+*/
+uint16_t USBD_GetRxCount (USBD_HandleTypeDef *pdev , uint8_t ep_addr)
+{
+ return USBD_LL_GetRxDataSize(pdev, ep_addr);
+}
+
+/**
+ * @}
+ */
+
+
+/**
+ * @}
+ */
+
+
+/**
+ * @}
+ */
+
+/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
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