/** ****************************************************************************** * @file USB_Host/HID_Standalone/Src/main.c * @author MCD Application Team * @version V1.1.0 * @date 17-February-2017 * @brief USB host HID Mouse and Keyboard demo main file ****************************************************************************** * @attention * *

© Copyright (c) 2017 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. * ****************************************************************************** */ #include "main.h" USBH_HandleTypeDef hUSBHost; HID_ApplicationTypeDef Appli_state = APPLICATION_IDLE; static void SystemClock_Config(void); static void USBH_UserProcess(USBH_HandleTypeDef* phost, uint8_t id); static void HID_InitApplication(void); static void Error_Handler(void); int main(void) { HAL_Init(); SystemClock_Config(); HID_InitApplication(); USBH_Init(&hUSBHost, USBH_UserProcess, 0); USBH_RegisterClass(&hUSBHost, USBH_HID_CLASS); USBH_Start(&hUSBHost); while (1) { USBH_Process(&hUSBHost); HID_MenuProcess(); } } static void HID_InitApplication(void) { BSP_LED_Init(LED1); BSP_LED_Init(LED2); BSP_LED_Init(LED3); BSP_LED_Init(LED4); BSP_PB_Init(BUTTON_WAKEUP, BUTTON_MODE_GPIO); HID_MenuInit(); } 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; break; case HOST_USER_CLASS_ACTIVE: Appli_state = APPLICATION_READY; break; case HOST_USER_CONNECTION: Appli_state = APPLICATION_START; break; default: break; } } 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) = 180000000 * HCLK(Hz) = 180000000 * AHB Prescaler = 1 * APB1 Prescaler = 4 * APB2 Prescaler = 2 * HSE Frequency(Hz) = 8000000 * PLL_M = 8 * PLL_N = 360 * PLL_P = 2 * PLL_Q = 7 * PLL_R = 2 * VDD(V) = 3.3 * Main regulator output voltage = Scale1 mode * Flash Latency(WS) = 5 * The USB clock configuration from PLLSAI: * PLLSAIM = 8 * PLLSAIN = 384 * PLLSAIP = 8 * @param None * @retval None */ static void SystemClock_Config(void) { RCC_ClkInitTypeDef RCC_ClkInitStruct; RCC_OscInitTypeDef RCC_OscInitStruct; RCC_PeriphCLKInitTypeDef PeriphClkInitStruct; /* 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; #if defined(USE_STM32469I_DISCO_REVA) RCC_OscInitStruct.PLL.PLLM = 25; #else RCC_OscInitStruct.PLL.PLLM = 8; #endif /* USE_STM32469I_DISCO_REVA */ RCC_OscInitStruct.PLL.PLLN = 360; RCC_OscInitStruct.PLL.PLLP = RCC_PLLP_DIV2; RCC_OscInitStruct.PLL.PLLQ = 7; RCC_OscInitStruct.PLL.PLLR = 2; if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK) Error_Handler(); /* Enable the OverDrive to reach the 180 Mhz Frequency */ if (HAL_PWREx_EnableOverDrive() != HAL_OK) Error_Handler(); /* Select PLLSAI output as USB clock source */ PeriphClkInitStruct.PLLSAI.PLLSAIQ = 7; PeriphClkInitStruct.PLLSAI.PLLSAIN = 384; PeriphClkInitStruct.PLLSAI.PLLSAIP = RCC_PLLSAIP_DIV8; PeriphClkInitStruct.PeriphClockSelection = RCC_PERIPHCLK_CK48; PeriphClkInitStruct.Clk48ClockSelection = RCC_CK48CLKSOURCE_PLLSAIP; HAL_RCCEx_PeriphCLKConfig(&PeriphClkInitStruct); /* 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; if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_5) != HAL_OK) Error_Handler(); } void HAL_Delay(__IO uint32_t Delay) { while (Delay) { if (SysTick->CTRL & SysTick_CTRL_COUNTFLAG_Msk) Delay--; } } static void Error_Handler(void) { while (1) ; }