/********************************** (C) COPYRIGHT *******************************
 * File Name          : main.c
 * Author             : WCH
 * Version            : V1.0.0
 * Date               : 2024/06/26
 * Description        : RCC configuration reference system_ch32f10x.h and
 *                     system_ch32f10x.c file.
 *********************************************************************************
 * Copyright (c) 2021 Nanjing Qinheng Microelectronics Co., Ltd.
 * Attention: This software (modified or not) and binary are used for 
 * microcontroller manufactured by Nanjing Qinheng Microelectronics.
 *******************************************************************************/

/*
 *@Note
 *HSI or HSI/2 as PLL input clock routine:
 *This example demonstrates that HSI or HSI/2 is used as the PLL input clock, 
 *and the system clock uses the PLL as the clock source.
 *Refer to system_ch32f10x.c, system_ch32f10x.h.
 *HSI/2 is used as the PLL input clock, and the demonstration system clock is 24MHz, 48MHz
 *
 */

#include "debug.h"

/*********************************************************************
 * @fn      main
 *
 * @brief   Main program.
 *
 * @return  none
 */
int main( void )
{
    SystemCoreClockUpdate();
    NVIC_PriorityGroupConfig( NVIC_PriorityGroup_4 );
    USART_Printf_Init( 115200 );
    printf( "SystemClk:%d\r\n", SystemCoreClock );
    printf( "ChipID:%08x\r\n", DBGMCU_GetCHIPID() );

    while( 1 );
}

