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/**
******************************************************************************
* @file USB_Host/MSC_RTOS/Src/main.c
* @author MCD Application Team
* @brief USB host Mass storage 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;
MSC_ApplicationTypeDef Appli_state = APPLICATION_IDLE;
char USBDISKPath[4]; /* USB Host logical drive path */
osMessageQId AppliEvent;
/* Private function prototypes ----------------------------------------------- */
static void SystemClock_Config(void);
static void USBH_UserProcess(USBH_HandleTypeDef * phost, uint8_t id);
static void StartThread(void const *argument);
static void MSC_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();
/* Start task */
osThreadDef(USER_Thread, StartThread, osPriorityNormal, 0,
8 * configMINIMAL_STACK_SIZE);
osThreadCreate(osThread(USER_Thread), NULL);
/* Create Application Queue */
osMessageQDef(osqueue, 1, uint16_t);
AppliEvent = osMessageCreate(osMessageQ(osqueue), NULL);
/* Start scheduler */
osKernelStart();
/* We should never get here as control is now taken by the scheduler */
for (;;);
}
/**
* @brief Start task
* @param pvParameters not used
* @retval None
*/
static void StartThread(void const *argument)
{
osEvent event;
/* Init MSC Application */
MSC_InitApplication();
/* Start Host Library */
USBH_Init(&hUSBHost, USBH_UserProcess, 0);
/* Add Supported Class */
USBH_RegisterClass(&hUSBHost, USBH_MSC_CLASS);
/* Start Host Process */
USBH_Start(&hUSBHost);
for (;;)
{
event = osMessageGet(AppliEvent, osWaitForever);
if (event.status == osEventMessage)
{
switch (event.value.v)
{
case APPLICATION_DISCONNECT:
Appli_state = APPLICATION_DISCONNECT;
break;
case APPLICATION_READY:
Appli_state = APPLICATION_READY;
break;
default:
break;
}
}
}
}
/**
* @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:
osMessagePut(AppliEvent, APPLICATION_DISCONNECT, 0);
if (FATFS_UnLinkDriver(USBDISKPath) == 0)
{
if(f_mount(NULL, "", 0) != FR_OK)
{
LCD_ErrLog("ERROR : Cannot DeInitialize FatFs! \n");
}
}
break;
case HOST_USER_CONNECTION:
if (FATFS_LinkDriver(&USBH_Driver, USBDISKPath) == 0)
{
if (f_mount(&USBH_fatfs, "", 0) != FR_OK)
{
LCD_ErrLog("ERROR : Cannot Initialize FatFs! \n");
}
}
break;
case HOST_USER_CLASS_ACTIVE:
osMessagePut(AppliEvent, APPLICATION_READY, 0);
break;
default:
break;
}
}
/**
* @brief MSC application Init.
* @param None
* @retval None
*/
static void MSC_InitApplication(void)
{
/* Configure Key Button */
BSP_PB_Init(BUTTON_KEY, BUTTON_MODE_GPIO);
/* Configure Joystick in EXTI mode */
BSP_JOY_Init(JOY_MODE_EXTI);
/* Configure LED1, LED2, LED3 and LED4 */
BSP_LED_Init(LED1);
BSP_LED_Init(LED2);
BSP_LED_Init(LED3);
BSP_LED_Init(LED4);
/* Initialize the LCD */
BSP_LCD_Init();
/* LCD Layer Initialization */
BSP_LCD_LayerDefaultInit(1, LCD_FB_START_ADDRESS);
/* Selects the LCD Layer */
BSP_LCD_SelectLayer(1);
/* Enables the display */
BSP_LCD_DisplayOn();
/* Init the LCD Log module */
LCD_LOG_Init();
#ifdef USE_USB_HS
LCD_LOG_SetHeader((uint8_t *) " USB OTG HS MSC Host");
#else
LCD_LOG_SetHeader((uint8_t *) " USB OTG FS MSC Host");
#endif
LCD_UsrLog("USB Host library started.\n");
/* Start MSC Interface */
USBH_UsrLog("Starting MSC Demo");
Menu_Init();
}
/**
* @brief Toggles LEDs to show user input state.
* @param None
* @retval None
*/
void Toggle_Leds(void)
{
static uint32_t ticks;
if (ticks++ == 100)
{
BSP_LED_Toggle(LED1);
BSP_LED_Toggle(LED2);
BSP_LED_Toggle(LED3);
BSP_LED_Toggle(LED4);
ticks = 0;
}
}
/**
* @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);
}
#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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