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/**
******************************************************************************
* @file USB_Host/DynamicSwitch_Standalone/Src/main.c
* @author MCD Application Team
* @brief USB host Dynamic Class Switch demo main file
******************************************************************************
* @attention
*
* Copyright (c) 2017 STMicroelectronics.
* All rights reserved.
*
* This software is licensed under terms that can be found in the LICENSE file
* in the root directory of this software component.
* If no LICENSE file comes with this software, it is provided AS-IS.
*
******************************************************************************
*/
/* Includes ------------------------------------------------------------------*/
#include "main.h"
/* Private typedef -----------------------------------------------------------*/
/* Private define ------------------------------------------------------------*/
/* Private macro -------------------------------------------------------------*/
/* Private variables ---------------------------------------------------------*/
USBH_HandleTypeDef hUSBHost;
DS_ApplicationTypeDef Appli_state = APPLICATION_IDLE;
char USBDISKPath[4];
extern char SD_Path[4];
/* Private function prototypes -----------------------------------------------*/
static void SystemClock_Config(void);
static void USBH_UserProcess(USBH_HandleTypeDef *phost, uint8_t id);
static void DynamicSwitch_InitApplication(void);
/* Private functions ---------------------------------------------------------*/
/**
* @brief Main program
* @param None
* @retval None
*/
int main(void)
{
/* STM32F4xx HAL library initialization:
- Configure the Flash prefetch, instruction and Data caches
- Configure the Systick to generate an interrupt each 1 msec
- Set NVIC Group Priority to 4
- Global MSP (MCU Support Package) initialization
*/
HAL_Init();
/* Configure the system clock to 168 MHz */
SystemClock_Config();
/* Init Dynamic Switch Application */
DynamicSwitch_InitApplication();
/* Init Host Library */
USBH_Init(&hUSBHost, USBH_UserProcess, 0);
/* Add Supported Classes */
USBH_RegisterClass(&hUSBHost, USBH_MSC_CLASS);
USBH_RegisterClass(&hUSBHost, USBH_AUDIO_CLASS);
USBH_RegisterClass(&hUSBHost, USBH_HID_CLASS);
/* Start Host Process */
USBH_Start(&hUSBHost);
/* Run Application (Blocking mode)*/
while (1)
{
/* USB Host Background task */
USBH_Process(&hUSBHost);
/* DS Menu Process */
DS_MenuProcess();
}
}
/**
* @brief User Process
* @param phost: Host Handle
* @param id: Host Library user message ID
* @retval None
*/
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;
if(USBH_GetActiveClass(phost) == AC_CLASS)
{
Audio_ChangeSelectMode(AUDIO_SELECT_MENU);
}
if(f_mount(NULL, "", 0) != FR_OK)
{
LCD_ErrLog("ERROR : Cannot DeInitialize FatFs! \n");
}
if (FATFS_UnLinkDriver(USBDISKPath) != 0)
{
LCD_ErrLog("ERROR : Cannot UnLink USB FatFS Driver! \n");
}
/* Unlink the micro SD disk I/O driver */
if (FATFS_UnLinkDriver(SD_Path) != 0)
{
LCD_ErrLog("ERROR : Cannot UnLink SD FatFS Driver! \n");
}
/* Init the LCD Log module */
LCD_LOG_Init();
#ifdef USE_USB_HS
LCD_LOG_SetHeader((uint8_t *)" USB HS DynamicSwitch Host");
#else
LCD_LOG_SetHeader((uint8_t *)" USB FS DynamicSwitch Host");
#endif
break;
case HOST_USER_CONNECTION:
break;
case HOST_USER_CLASS_ACTIVE:
switch(USBH_GetActiveClass(phost))
{
case USB_MSC_CLASS:
Appli_state = APPLICATION_MSC;
/* Link the USB disk I/O driver */
if (FATFS_LinkDriver(&USBH_Driver, USBDISKPath) == 0)
{
if (f_mount(&USBH_fatfs, "", 0) != FR_OK)
{
LCD_ErrLog("ERROR : Cannot Initialize FatFs! \n");
}
}
break;
case AC_CLASS:
Appli_state = APPLICATION_AUDIO;
/* Init SD Storage */
if (SD_StorageInit() == 0)
{
SD_StorageParse();
}
break;
case USB_HID_CLASS:
Appli_state = APPLICATION_HID;
break;
}
break;
}
}
/**
* @brief DS application Init.
* @param None
* @retval None
*/
static void DynamicSwitch_InitApplication(void)
{
/* Configure Key Button */
BSP_PB_Init(BUTTON_KEY, BUTTON_MODE_EXTI);
/* Configure Joystick in EXTI mode */
BSP_JOY_Init(JOY_MODE_EXTI);
/* Initialize the LCD */
BSP_LCD_Init();
/* Initialize the LCD Log module */
LCD_LOG_Init();
#ifdef USE_USB_HS
LCD_LOG_SetHeader((uint8_t *)" USB HS DynamicSwitch Host");
#else
LCD_LOG_SetHeader((uint8_t *)" USB FS DynamicSwitch Host");
#endif
LCD_UsrLog("USB Host library started.\n");
/* Start Dynamic Switch Interface */
LCD_UsrLog("Starting DynamicSwitch Demo\n");
LCD_UsrLog("Plug your device To Continue...\n");
}
/**
* @brief System Clock Configuration
* The system Clock is configured as follow :
* System Clock source = PLL (HSE)
* SYSCLK(Hz) = 168000000
* HCLK(Hz) = 168000000
* AHB Prescaler = 1
* APB1 Prescaler = 4
* APB2 Prescaler = 2
* HSE Frequency(Hz) = 25000000
* PLL_M = 25
* PLL_N = 336
* PLL_P = 2
* PLL_Q = 7
* VDD(V) = 3.3
* Main regulator output voltage = Scale1 mode
* Flash Latency(WS) = 5
* @param None
* @retval None
*/
static void SystemClock_Config(void)
{
RCC_ClkInitTypeDef RCC_ClkInitStruct;
RCC_OscInitTypeDef RCC_OscInitStruct;
/* Enable Power Control clock */
__HAL_RCC_PWR_CLK_ENABLE();
/* The voltage scaling allows optimizing the power consumption when the device is
clocked below the maximum system frequency, to update the voltage scaling value
regarding system frequency refer to product datasheet. */
__HAL_PWR_VOLTAGESCALING_CONFIG(PWR_REGULATOR_VOLTAGE_SCALE1);
/* Enable HSE Oscillator and activate PLL with HSE as source */
RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSE;
RCC_OscInitStruct.HSEState = RCC_HSE_ON;
RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSE;
RCC_OscInitStruct.PLL.PLLM = 25;
RCC_OscInitStruct.PLL.PLLN = 336;
RCC_OscInitStruct.PLL.PLLP = RCC_PLLP_DIV2;
RCC_OscInitStruct.PLL.PLLQ = 7;
HAL_RCC_OscConfig(&RCC_OscInitStruct);
/* Select PLL as system clock source and configure the HCLK, PCLK1 and PCLK2
clocks dividers */
RCC_ClkInitStruct.ClockType = (RCC_CLOCKTYPE_SYSCLK | RCC_CLOCKTYPE_HCLK | RCC_CLOCKTYPE_PCLK1 | RCC_CLOCKTYPE_PCLK2);
RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK;
RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1;
RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV4;
RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV2;
HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_5);
/* STM32F405x/407x/415x/417x Revision Z and upper devices: prefetch is supported */
if (HAL_GetREVID() >= 0x1001)
{
/* Enable the Flash prefetch */
__HAL_FLASH_PREFETCH_BUFFER_ENABLE();
}
}
#ifdef USE_FULL_ASSERT
/**
* @brief Reports the name of the source file and the source line number
* where the assert_param error has occurred.
* @param file: pointer to the source file name
* @param line: assert_param error line source number
* @retval None
*/
void assert_failed(uint8_t* file, uint32_t line)
{
/* User can add his own implementation to report the file name and line number,
ex: printf("Wrong parameters value: file %s on line %d\r\n", file, line) */
/* Infinite loop */
while (1)
{
}
}
#endif
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