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/**
******************************************************************************
* @file USB_Host/HID_RTOS/Src/main.c
* @author MCD Application Team
* @brief USB host HID Mouse and Keyboard 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;
HID_ApplicationTypeDef Appli_state = APPLICATION_IDLE;
osMessageQId AppliEvent;
/* Private function prototypes -----------------------------------------------*/
static void SystemClock_Config(void);
static void USBH_UserProcess(USBH_HandleTypeDef *phost, uint8_t id);
static void HID_InitApplication(void);
static void StartThread(void const *argument);
/* 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 HID Application */
HID_InitApplication();
/* Start Host Library */
USBH_Init(&hUSBHost, USBH_UserProcess, 0);
/* Add Supported Class */
USBH_RegisterClass(&hUSBHost, USBH_HID_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;
HID_UpdateMenu();
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);
break;
case HOST_USER_CLASS_ACTIVE:
osMessagePut(AppliEvent, APPLICATION_READY, 0);
break;
case HOST_USER_CONNECTION:
osMessagePut(AppliEvent, APPLICATION_START, 0);
break;
default:
break;
}
}
/**
* @brief HID application Init.
* @param None
* @retval None
*/
static void HID_InitApplication(void)
{
/* Configure Key Button */
BSP_PB_Init(BUTTON_KEY, BUTTON_MODE_GPIO);
/* 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 OTG HS HID Host");
#else
LCD_LOG_SetHeader((uint8_t *)" USB OTG FS HID Host");
#endif
LCD_UsrLog("USB Host library started.\n");
/* Start HID Interface */
USBH_UsrLog("Starting HID Demo");
HID_MenuInit();
}
/**
* @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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