mirror of
https://github.com/STMicroelectronics/STM32CubeF4.git
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319 lines
10 KiB
C
319 lines
10 KiB
C
/**
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******************************************************************************
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* @file USB_Host/MSC_Standalone/Src/main.c
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* @author MCD Application Team
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* @brief USB host Mass storage demo main file
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******************************************************************************
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* @attention
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*
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* <h2><center>© Copyright (c) 2017 STMicroelectronics International N.V.
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* All rights reserved.</center></h2>
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted, provided that the following conditions are met:
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*
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* 1. Redistribution of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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* 3. Neither the name of STMicroelectronics nor the names of other
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* contributors to this software may be used to endorse or promote products
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* derived from this software without specific written permission.
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* 4. This software, including modifications and/or derivative works of this
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* software, must execute solely and exclusively on microcontroller or
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* microprocessor devices manufactured by or for STMicroelectronics.
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* 5. Redistribution and use of this software other than as permitted under
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* this license is void and will automatically terminate your rights under
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* this license.
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*
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* THIS SOFTWARE IS PROVIDED BY STMICROELECTRONICS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS, IMPLIED OR STATUTORY WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A
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* PARTICULAR PURPOSE AND NON-INFRINGEMENT OF THIRD PARTY INTELLECTUAL PROPERTY
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* RIGHTS ARE DISCLAIMED TO THE FULLEST EXTENT PERMITTED BY LAW. IN NO EVENT
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* SHALL STMICROELECTRONICS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA,
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* OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
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* EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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******************************************************************************
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*/
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/* Includes ------------------------------------------------------------------*/
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#include "main.h"
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/* Private typedef -----------------------------------------------------------*/
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/* Private define ------------------------------------------------------------*/
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/* Private macro -------------------------------------------------------------*/
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/* Private variables ---------------------------------------------------------*/
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USBH_HandleTypeDef hUSBHost;
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MSC_ApplicationTypeDef Appli_state = APPLICATION_IDLE;
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char USBDISKPath[4]; /* USB Host logical drive path */
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/* Private function prototypes -----------------------------------------------*/
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static void SystemClock_Config(void);
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static void Error_Handler(void);
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static void USBH_UserProcess(USBH_HandleTypeDef *phost, uint8_t id);
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static void MSC_InitApplication(void);
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/* Private functions ---------------------------------------------------------*/
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/**
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* @brief Main program
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* @param None
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* @retval None
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*/
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int main(void)
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{
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/* STM32F7xx HAL library initialization:
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- Configure the Flash ART accelerator on ITCM interface
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- Configure the Systick to generate an interrupt each 1 msec
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- Set NVIC Group Priority to 4
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- Low Level Initialization
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*/
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HAL_Init();
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/* Configure the System clock to have a frequency of 216 Mhz */
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SystemClock_Config();
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/* Init MSC Application */
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MSC_InitApplication();
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/* Init Host Library */
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USBH_Init(&hUSBHost, USBH_UserProcess, 0);
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/* Add Supported Class */
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USBH_RegisterClass(&hUSBHost, USBH_MSC_CLASS);
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/* Start Host Process */
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USBH_Start(&hUSBHost);
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/* Run Application (Blocking mode) */
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while (1)
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{
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/* USB Host Background task */
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USBH_Process(&hUSBHost);
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/* MSC Menu Process */
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MSC_MenuProcess();
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}
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}
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/**
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* @brief MSC application Init.
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* @param None
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* @retval None
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*/
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static void MSC_InitApplication(void)
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{
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/* Configure Key Button */
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BSP_PB_Init(BUTTON_WAKEUP, BUTTON_MODE_GPIO);
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/* Initialize the LCD */
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BSP_LCD_Init();
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/* Initialize the TS in IT mode if not already initialized */
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if (TouchScreen_IsCalibrationDone() == 0)
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{
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Touchscreen_Calibration();
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}
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BSP_TS_ITConfig();
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/* Init the LCD Log module */
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LCD_LOG_Init();
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#ifdef USE_USB_HS
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LCD_LOG_SetHeader((uint8_t *)" USB OTG HS MSC Host");
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#else
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LCD_LOG_SetHeader((uint8_t *)" USB OTG FS MSC Host");
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#endif
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LCD_UsrLog("USB Host library started.\n");
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/* Initialize menu and MSC process */
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USBH_UsrLog("Starting MSC Demo");
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Menu_Init();
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}
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/**
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* @brief User Process
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* @param phost: Host Handle
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* @param id: Host Library user message ID
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* @retval None
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*/
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static void USBH_UserProcess(USBH_HandleTypeDef *phost, uint8_t id)
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{
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switch(id)
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{
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case HOST_USER_SELECT_CONFIGURATION:
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break;
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case HOST_USER_DISCONNECTION:
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Appli_state = APPLICATION_DISCONNECT;
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if (FATFS_UnLinkDriver(USBDISKPath) == 0)
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{
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if(f_mount(NULL, "", 0) != FR_OK)
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{
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LCD_ErrLog("ERROR : Cannot DeInitialize FatFs! \n");
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}
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}
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break;
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case HOST_USER_CLASS_ACTIVE:
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Appli_state = APPLICATION_READY;
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break;
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case HOST_USER_CONNECTION:
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if (FATFS_LinkDriver(&USBH_Driver, USBDISKPath) == 0)
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{
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if (f_mount(&USBH_fatfs, "", 0) != FR_OK)
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{
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LCD_ErrLog("ERROR : Cannot Initialize FatFs! \n");
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}
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}
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break;
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default:
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break;
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}
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}
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/**
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* @brief This function provides accurate delay (in milliseconds) based
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* on SysTick counter flag.
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* @note This function is declared as __weak to be overwritten in case of other
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* implementations in user file.
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* @param Delay: specifies the delay time length, in milliseconds.
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* @retval None
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*/
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void HAL_Delay(__IO uint32_t Delay)
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{
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while(Delay)
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{
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if (SysTick->CTRL & SysTick_CTRL_COUNTFLAG_Msk)
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{
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Delay--;
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}
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}
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}
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/**
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* @brief System Clock Configuration
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* The system Clock is configured as follow :
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* System Clock source = PLL (HSE)
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* SYSCLK(Hz) = 100000000
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* HCLK(Hz) = 100000000
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* AHB Prescaler = 1
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* APB1 Prescaler = 2
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* APB2 Prescaler = 1
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* HSE Frequency(Hz) = 8000000
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* PLL_M = 8
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* PLL_N = 200
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* PLL_P = 2
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* PLL_Q = 7
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* PLL_R = 2
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* VDD(V) = 3.3
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* Main regulator output voltage = Scale1 mode
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* Flash Latency(WS) = 3
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* The USB clock configuration from PLLI2S:
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* PLLI2SM = 8
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* PLLI2SN = 192
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* PLLI2SQ = 4
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* @param None
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* @retval None
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*/
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static void SystemClock_Config(void)
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{
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RCC_ClkInitTypeDef RCC_ClkInitStruct;
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RCC_OscInitTypeDef RCC_OscInitStruct;
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RCC_PeriphCLKInitTypeDef PeriphClkInitStruct;
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HAL_StatusTypeDef ret = HAL_OK;
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/* Enable Power Control clock */
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__HAL_RCC_PWR_CLK_ENABLE();
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/* The voltage scaling allows optimizing the power consumption when the device is
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clocked below the maximum system frequency, to update the voltage scaling value
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regarding system frequency refer to product datasheet. */
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__HAL_PWR_VOLTAGESCALING_CONFIG(PWR_REGULATOR_VOLTAGE_SCALE1);
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/* Enable HSE Oscillator and activate PLL with HSE as source */
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RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSE;
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RCC_OscInitStruct.HSEState = RCC_HSE_ON;
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RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
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RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSE;
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RCC_OscInitStruct.PLL.PLLM = 8;
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RCC_OscInitStruct.PLL.PLLN = 200;
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RCC_OscInitStruct.PLL.PLLP = RCC_PLLP_DIV2;
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RCC_OscInitStruct.PLL.PLLQ = 7;
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RCC_OscInitStruct.PLL.PLLR = 2;
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ret = HAL_RCC_OscConfig(&RCC_OscInitStruct);
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if(ret != HAL_OK)
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{
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Error_Handler();
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}
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/* Select PLLSAI output as USB clock source */
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PeriphClkInitStruct.PLLI2S.PLLI2SM = 8;
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PeriphClkInitStruct.PLLI2S.PLLI2SQ = 4;
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PeriphClkInitStruct.PLLI2S.PLLI2SN = 192;
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PeriphClkInitStruct.PeriphClockSelection = RCC_PERIPHCLK_CK48;
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PeriphClkInitStruct.Clk48ClockSelection = RCC_CK48CLKSOURCE_PLLI2SQ;
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HAL_RCCEx_PeriphCLKConfig(&PeriphClkInitStruct);
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/* Select PLL as system clock source and configure the HCLK, PCLK1 and PCLK2
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clocks dividers */
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RCC_ClkInitStruct.ClockType = (RCC_CLOCKTYPE_SYSCLK | RCC_CLOCKTYPE_HCLK | RCC_CLOCKTYPE_PCLK1 | RCC_CLOCKTYPE_PCLK2);
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RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK;
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RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1;
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RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV2;
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RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV1;
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ret = HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_3);
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if(ret != HAL_OK)
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{
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Error_Handler();
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}
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}
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/**
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* @brief This function is executed in case of error occurrence.
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* @param None
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* @retval None
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*/
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static void Error_Handler(void)
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{
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/* User may add here some code to deal with this error */
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while(1)
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{
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}
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}
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#ifdef USE_FULL_ASSERT
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/**
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* @brief Reports the name of the source file and the source line number
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* where the assert_param error has occurred.
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* @param file: pointer to the source file name
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* @param line: assert_param error line source number
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* @retval None
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*/
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void assert_failed(uint8_t* file, uint32_t line)
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{
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/* User can add his own implementation to report the file name and line number,
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ex: printf("Wrong parameters value: file %s on line %d\r\n", file, line) */
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/* Infinite loop */
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while (1)
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{
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}
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}
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#endif
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/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
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