ref: 21f5ac6f65245a6d5f1b63b0f1a38d4001f1d5dc
dir: /LEAF/Src/usb_host.c/
/** ****************************************************************************** * @file : usb_host.c * @version : v1.0_Cube * @brief : This file implements the USB Host ****************************************************************************** * This notice applies to any and all portions of this file * that are not between comment pairs USER CODE BEGIN and * USER CODE END. Other portions of this file, whether * inserted by the user or by software development tools * are owned by their respective copyright owners. * * Copyright (c) 2018 STMicroelectronics International N.V. * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted, provided that the following conditions are met: * * 1. Redistribution of source code must retain the above copyright notice, * this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright notice, * this list of conditions and the following disclaimer in the documentation * and/or other materials provided with the distribution. * 3. Neither the name of STMicroelectronics nor the names of other * contributors to this software may be used to endorse or promote products * derived from this software without specific written permission. * 4. This software, including modifications and/or derivative works of this * software, must execute solely and exclusively on microcontroller or * microprocessor devices manufactured by or for STMicroelectronics. * 5. Redistribution and use of this software other than as permitted under * this license is void and will automatically terminate your rights under * this license. * * THIS SOFTWARE IS PROVIDED BY STMICROELECTRONICS AND CONTRIBUTORS "AS IS" * AND ANY EXPRESS, IMPLIED OR STATUTORY WARRANTIES, INCLUDING, BUT NOT * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A * PARTICULAR PURPOSE AND NON-INFRINGEMENT OF THIRD PARTY INTELLECTUAL PROPERTY * RIGHTS ARE DISCLAIMED TO THE FULLEST EXTENT PERMITTED BY LAW. IN NO EVENT * SHALL STMICROELECTRONICS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, * OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * ****************************************************************************** */ /* Includes ------------------------------------------------------------------*/ #include "usb_host.h" #include "usbh_core.h" //#include "usbh_audio.h" /* USER CODE BEGIN Includes */ #include "usbh_MIDI.h" #include "MIDI_application.h" /* USER CODE END Includes */ /* USER CODE BEGIN PV */ /* Private variables ---------------------------------------------------------*/ USBH_HandleTypeDef hUsbHostFS __ATTR_RAM_D2; ApplicationTypeDef Appli_state = APPLICATION_IDLE; extern MIDI_ApplicationTypeDef MIDI_Appli_state; /* USER CODE END PV */ /* USER CODE BEGIN PFP */ /* Private function prototypes -----------------------------------------------*/ /* USER CODE END PFP */ /* USB Host core handle declaration */ /* * -- Insert your variables declaration here -- */ /* USER CODE BEGIN 0 */ /* USER CODE END 0 */ /* * user callback declaration */ static void USBH_UserProcess(USBH_HandleTypeDef *phost, uint8_t id); /* * -- Insert your external function declaration here -- */ /* USER CODE BEGIN 1 */ /* USER CODE END 1 */ /** * Init USB host library, add supported class and start the library * @retval None */ void MX_USB_HOST_Init(void) { /* USER CODE BEGIN USB_HOST_Init_PreTreatment */ /* USER CODE END USB_HOST_Init_PreTreatment */ /* Init host Library, add supported class and start the library. */ USBH_Init(&hUsbHostFS, USBH_UserProcess, HOST_FS); USBH_RegisterClass(&hUsbHostFS, USBH_MIDI_CLASS); USBH_Start(&hUsbHostFS); /* USER CODE BEGIN USB_HOST_Init_PostTreatment */ HAL_PWREx_EnableUSBVoltageDetector(); /* USER CODE END USB_HOST_Init_PostTreatment */ } /* * Background task */ void MX_USB_HOST_Process(void) { USBH_Process(&hUsbHostFS); MIDI_Application(); } /* * user callback definition */ static void USBH_UserProcess (USBH_HandleTypeDef *phost, uint8_t id) { switch(id) { case HOST_USER_SELECT_CONFIGURATION: break; case HOST_USER_DISCONNECTION: Appli_state = APPLICATION_DISCONNECT; //reset the USB stuff - to handle cases where disconnection put USB into an unrecoverable state for some reason USBH_Stop(&hUsbHostFS); for (uint i = 0; i < RX_BUFF_SIZE; i++) { MIDI_RX_Buffer[i] = 0; } //HAL_Delay(1); USBH_Init(&hUsbHostFS, USBH_UserProcess, HOST_FS); USBH_RegisterClass(&hUsbHostFS, USBH_MIDI_CLASS); USBH_Start(&hUsbHostFS); break; case HOST_USER_CLASS_ACTIVE: Appli_state = APPLICATION_READY; MIDI_Appli_state = MIDI_APPLICATION_READY; break; case HOST_USER_CONNECTION: Appli_state = APPLICATION_START; break; default: break; } /* USER CODE END CALL_BACK_1 */ } /** * @} */ /** * @} */ /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/