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ch32v20x-examples/EVT/EXAM/CRC/CRC_Calculation/User/main.c
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2024-02-26 13:22:09 +08:00

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C

/********************************** (C) COPYRIGHT *******************************
* File Name : main.c
* Author : WCH
* Version : V1.0.0
* Date : 2024/02/21
* Description : Main program body.
*********************************************************************************
* 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
*CRC routine:
*Use CRC-32 polynomial 0x4C11DB7.
*
*/
#include "debug.h"
/* Global define */
#define Buf_Size 32
/* Global Variable */
u32 SRC_BUF[Buf_Size] = {0x01020304, 0x05060708, 0x090A0B0C, 0x0D0E0F10,
0x11121314, 0x15161718, 0x191A1B1C, 0x1D1E1F20,
0x21222324, 0x25262728, 0x292A2B2C, 0x2D2E2F30,
0x31323334, 0x35363738, 0x393A3B3C, 0x3D3E3F40,
0x41424344, 0x45464748, 0x494A4B4C, 0x4D4E4F50,
0x51525354, 0x55565758, 0x595A5B5C, 0x5D5E5F60,
0x61626364, 0x65666768, 0x696A6B6C, 0x6D6E6F70,
0x71727374, 0x75767778, 0x797A7B7C, 0x7D7E7F80};
u32 CRCValue = 0;
/*********************************************************************
* @fn main
*
* @brief Main program.
*
* @return none
*/
int main(void)
{
NVIC_PriorityGroupConfig(NVIC_PriorityGroup_1);
SystemCoreClockUpdate();
Delay_Init();
USART_Printf_Init(115200);
printf("SystemClk:%d\r\n", SystemCoreClock);
printf( "ChipID:%08x\r\n", DBGMCU_GetCHIPID() );
printf("CRC TEST\r\n");
RCC_AHBPeriphClockCmd(RCC_AHBPeriph_CRC, ENABLE);
CRCValue = CRC_CalcBlockCRC((u32 *)SRC_BUF, Buf_Size);
printf("CRCValue: 0x%08x\r\n", CRCValue); /* CRCValue should be 0x199AC3CA in this example */
while(1);
}