/** ****************************************************************************** * @file main.c * @author MCU Application Team * @brief Main program body ****************************************************************************** * @attention * *

© Copyright (c) 2023 Puya Semiconductor Co. * All rights reserved.

* * This software component is licensed by Puya under BSD 3-Clause license, * the "License"; You may not use this file except in compliance with the * License. You may obtain a copy of the License at: * opensource.org/licenses/BSD-3-Clause * ****************************************************************************** * @attention * *

© Copyright (c) 2016 STMicroelectronics. * All rights reserved.

* * This software component is licensed by ST under BSD 3-Clause license, * the "License"; You may not use this file except in compliance with the * License. You may obtain a copy of the License at: * opensource.org/licenses/BSD-3-Clause * ****************************************************************************** */ /* Includes ------------------------------------------------------------------*/ #include "main.h" #include "usb_config.h" /* Private define ------------------------------------------------------------*/ /* Private variables ---------------------------------------------------------*/ /* Private user code ---------------------------------------------------------*/ /* Private macro -------------------------------------------------------------*/ /* Private function prototypes -----------------------------------------------*/ static void APP_SystemClockConfig(void); static void APP_USBInit(void); /** * @brief Main program. * @retval int */ int main(void) { /* Reset of all peripherals, Initializes the Systick */ HAL_Init(); /* System clock configuration */ APP_SystemClockConfig(); /* Initialize USB peripheral */ APP_USBInit(); /* Infinite loop */ while (1) { /* Call the test function to send data to the USB host */ hid_keyboard_test(); } } /** * @brief USB peripheral initialization function * @param None * @retval None */ static void APP_USBInit(void) { __HAL_RCC_SYSCFG_CLK_ENABLE(); SET_BIT(RCC->CFGR1,RCC_CFGR1_USBSELHSI48_Msk); __HAL_RCC_USB_CLK_ENABLE(); hid_keyboard_init(); /* Enable USB interrupt */ NVIC_EnableIRQ(USBD_IRQn); } /** * @brief System clock configuration function * @param None * @retval None */ static void APP_SystemClockConfig(void) { RCC_OscInitTypeDef OscInitstruct = {0}; RCC_ClkInitTypeDef ClkInitstruct = {0}; OscInitstruct.OscillatorType = RCC_OSCILLATORTYPE_HSE | RCC_OSCILLATORTYPE_HSI | RCC_OSCILLATORTYPE_LSE | RCC_OSCILLATORTYPE_LSI | RCC_OSCILLATORTYPE_HSI48M; OscInitstruct.HSEState = RCC_HSE_ON; /* Enable HSE */ OscInitstruct.HSEFreq = RCC_HSE_16_32MHz; /* HSE working frequency range: 16M~32M */ OscInitstruct.HSI48MState = RCC_HSI48M_ON; /* Enable HSI48M */ OscInitstruct.HSIState = RCC_HSI_ON; /* Enable HSI */ OscInitstruct.LSEState = RCC_LSE_OFF; /* Disable LSE */ OscInitstruct.LSEDriver = RCC_LSEDRIVE_HIGH; /* Drive capability level: High */ OscInitstruct.LSIState = RCC_LSI_OFF; /* Disable LSI */ OscInitstruct.PLL.PLLState = RCC_PLL_ON; /* Enable PLL */ OscInitstruct.PLL.PLLSource = RCC_PLLSOURCE_HSE; /* PLL clock source: HSE */ OscInitstruct.PLL.PLLMUL = RCC_PLL_MUL5; /* PLL multiplication factor is 5 */ /* Configure Oscillators */ if(HAL_RCC_OscConfig(&OscInitstruct) != HAL_OK) { APP_ErrorHandler(); } ClkInitstruct.ClockType = RCC_CLOCKTYPE_SYSCLK | RCC_CLOCKTYPE_HCLK | RCC_CLOCKTYPE_PCLK1 | RCC_CLOCKTYPE_PCLK2; ClkInitstruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK; /* SYSCLK source select as PLL */ ClkInitstruct.AHBCLKDivider = RCC_SYSCLK_DIV1; /* AHB clock not divided */ ClkInitstruct.APB1CLKDivider = RCC_HCLK_DIV1; /* APB1 clock not divided */ ClkInitstruct.APB2CLKDivider = RCC_HCLK_DIV1; /* APB2 clock not divided */ /* Configure Clocks */ if(HAL_RCC_ClockConfig(&ClkInitstruct, FLASH_LATENCY_4) != HAL_OK) { APP_ErrorHandler(); } } /** * @brief This function is executed in case of error occurrence. * @param None * @retval None */ void APP_ErrorHandler(void) { /* Infinite loop */ while (1) { } } #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, for example: printf("Wrong parameters value: file %s on line %d\r\n", file, line) */ /* Infinite loop */ while (1) { } } #endif /* USE_FULL_ASSERT */ /************************ (C) COPYRIGHT Puya *****END OF FILE******************/