/**
******************************************************************************
* @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******************/