/** * @brief USBH_Get_StringDesc * Issues string Descriptor command to the device. Once the response * received, it parses the string descriptor and updates the status. * @param phost: Host Handle * @param string_index: String index for the descriptor * @param buff: Buffer address for the descriptor * @param length: Length of the descriptor * @retval USBH Status */ USBH_StatusTypeDef USBH_Get_StringDesc(USBH_HandleTypeDef *phost, uint8_t string_index, uint8_t *buff, uint16_t length) { USBH_StatusTypeDef status; if((status = USBH_GetDescriptor(phost, USB_REQ_RECIPIENT_DEVICE | USB_REQ_TYPE_STANDARD, USB_DESC_STRING | string_index, phost->device.Data, length)) == USBH_OK) { /* Commands successfully sent and Response Received */ USBH_ParseStringDesc(phost->device.Data,buff, length); } return status; }
//-------------------------------------------------------------- USBH_Status USBH_Get_StringDesc(USB_OTG_CORE_HANDLE *pdev, USBH_HOST *phost, uint8_t string_index, uint8_t *buff, uint16_t length) { USBH_Status status; if((status = USBH_GetDescriptor(pdev, phost, USB_REQ_RECIPIENT_DEVICE | USB_REQ_TYPE_STANDARD, USB_DESC_STRING | string_index, pdev->host.Rx_Buffer, length)) == USBH_OK) { /* Commands successfully sent and Response Received */ USBH_ParseStringDesc(pdev->host.Rx_Buffer,buff, length); } return status; }