/*******************************************************************************
* Copyright (C) 2020, Huada Semiconductor Co., Ltd. All rights reserved.
*
* This software component is licensed by HDSC 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
*/
/******************************************************************************/
/** \file main.c
**
** \brief This sample demonstrates how to set GPIO as output function.
**
** - 2021-04-16 CDT first version for Device Driver Library of GPIO.
**
******************************************************************************/
/*******************************************************************************
* Include files
******************************************************************************/
#include "hc32_ddl.h"
#include "ev_hc32f460_lqfp100_v1.h"
#include "TIM_Measure.h"
/*******************************************************************************
* Local type definitions ('typedef')
******************************************************************************/
/*******************************************************************************
* Local pre-processor symbols/macros ('#define')
******************************************************************************/
/*******************************************************************************
* Global variable definitions (declared in header file with 'extern')
******************************************************************************/
/*******************************************************************************
* Local function prototypes ('static')
******************************************************************************/
/*******************************************************************************
* Local variable definitions ('static')
******************************************************************************/
float t = 0.0f;
#define BUFFER_SIZE 120
static const uint32_t DataBuffer[BUFFER_SIZE] =
{
0xc33dd31c, 0xe37ff35e, 0x129022f3, 0x32d24235, 0x52146277, 0x7256b5ea,
0x4a755a54, 0x6a377a16, 0x0af11ad0, 0x2ab33a92, 0xed0fdd6c, 0xcd4dbdaa,
0xbb3bab1a, 0x6ca67c87, 0x5cc52c22, 0x3c030c60, 0x1c41edae, 0xfd8fcdec,
0xad8b9de8, 0x8dc97c26, 0x5c644c45, 0x3ca22c83, 0x1ce00cc1, 0xef1fff3e,
0x95a88589, 0xf56ee54f, 0xd52cc50d, 0x34e224c3, 0x04817466, 0x64475424,
0x78066827, 0x18c008e1, 0x28a3cb7d, 0xdb5ceb3f, 0xfb1e8bf9, 0x9bd8abbb,
0xdf7caf9b, 0xbfba8fd9, 0x9ff86e17, 0x7e364e55, 0x2e933eb2, 0x0ed11ef0,
0xa35ad3bd, 0xc39cf3ff, 0xe3de2462, 0x34430420, 0x64e674c7, 0x44a45485,
0xad2abd0b, 0x8d689d49, 0x7e976eb6, 0x5ed54ef4, 0x2e321e51, 0x0e70ff9f,
0xefbedfdd, 0xcffcbf1b, 0x9f598f78, 0x918881a9, 0xb1caa1eb, 0xd10cc12d,
0xe16f1080, 0x00a130c2, 0x20e35004, 0x40257046, 0x83b99398, 0xa3fbb3da,
0x00001021, 0x20423063, 0x408450a5, 0x60c670e7, 0x9129a14a, 0xb16bc18c,
0x569546b4, 0xb75ba77a, 0x97198738, 0xf7dfe7fe, 0xc7bc48c4, 0x58e56886,
0x4405a7db, 0xb7fa8799, 0xe75ff77e, 0xc71dd73c, 0x26d336f2, 0x069116b0,
0x76764615, 0x5634d94c, 0xc96df90e, 0xe92f99c8, 0xb98aa9ab, 0x58444865,
0x78a70840, 0x18612802, 0xc9ccd9ed, 0xe98ef9af, 0x89489969, 0xa90ab92b,
0xd1ade1ce, 0xf1ef1231, 0x32732252, 0x52b54294, 0x72f762d6, 0x93398318,
0xa56ab54b, 0x85289509, 0xf5cfc5ac, 0xd58d3653, 0x26721611, 0x063076d7,
0x8d689d49, 0xf7dfe7fe, 0xe98ef9af, 0x063076d7, 0x93398318, 0xb98aa9ab,
0x4ad47ab7, 0x6a961a71, 0x0a503a33, 0x2a12dbfd, 0xfbbfeb9e, 0x9b798b58
};
/*******************************************************************************
* Function implementation - global ('extern') and local ('static')
******************************************************************************/
/**
*******************************************************************************
** \brief Main function of GPIO output
**
** \param None
**
** \retval int32_t Return value, if needed
**
******************************************************************************/
int32_t main(void)
{
bool bFlag;
uint16_t u16InitVal;
uint16_t u16Checksum;
uint16_t au16Data[2u] = {0x1234, 0x5678};
uint32_t u32InitVal;
uint32_t u32Checksum;
uint32_t au32Data[2u] = {0x12345678u, 0x87654321u};
BSP_CLK_Init();
/* 1. Enable CRC. */
PWC_Fcg0PeriphClockCmd(PWC_FCG0_PERIPH_CRC, Enable);
/* 2. Initializes CRC here or before every CRC calculation. */
CRC_Init(CRC_SEL_16B | CRC_REFIN_DISABLE | CRC_REFOUT_DISABLE | CRC_XOROUT_DISABLE);
DDL_PrintfInit(BSP_PRINTF_DEVICE, BSP_PRINTF_BAUDRATE, BSP_PRINTF_PortInit);
TIM_Measure_Init();
while(1)
{
/* CRC16 usage. */
u16InitVal = 0x0u;
CRC_Init(CRC_SEL_16B | CRC_REFIN_DISABLE | CRC_REFOUT_DISABLE | CRC_XOROUT_DISABLE);
DDL_Printf("CRC_Init(CRC_SEL_16B | CRC_REFIN_DISABLE | CRC_REFOUT_DISABLE | CRC_XOROUT_DISABLE);\n");
TIM_Measure_Start();
u16Checksum = CRC_Calculate16B(u16InitVal, au16Data, 2u);
TIM_Measure_Stop();
t = Get_Time();
DDL_Printf("CRC_Calculate16B use time: %fus\n",t*1000.0f);
DDL_Printf("CRC16 result = %.4x\n", u16Checksum);
TIM_Measure_Start();
bFlag = CRC_Check16B(u16InitVal, u16Checksum, au16Data, 2u);
TIM_Measure_Stop();
t = Get_Time();
DDL_Printf("CRC_Check16B use time: %fus\n",t*1000.0f);
DDL_Printf("CRC16 flag = %d\n", bFlag);
/* Change the CRC configuration. */
/* The bits of the checksum will be transposed if CRC_REFOUT is enabled. */
CRC_Init(CRC_SEL_16B | CRC_REFIN_DISABLE | CRC_REFOUT_ENABLE | CRC_XOROUT_DISABLE);
DDL_Printf("CRC_Init(CRC_SEL_16B | CRC_REFIN_DISABLE | CRC_REFOUT_ENABLE | CRC_XOROUT_DISABLE);\n");
TIM_Measure_Start();
u16Checksum = CRC_Calculate16B(u16InitVal, au16Data, 2u);
TIM_Measure_Stop();
t = Get_Time();
DDL_Printf("CRC_Calculate16B use time: %fus\n",t*1000.0f);
DDL_Printf("CRC16 result = %.4x\n", u16Checksum);
TIM_Measure_Start();
bFlag = CRC_Check16B(u16InitVal, u16Checksum, au16Data, 2u);
TIM_Measure_Stop();
t = Get_Time();
DDL_Printf("CRC_Check16B use time: %fus\n",t*1000.0f);
DDL_Printf("CRC16 flag = %d\n", bFlag);
/* CRC32 usage. */
u32InitVal = 0xFFFFFFFFu;
CRC_Init(CRC_SEL_32B | CRC_REFIN_ENABLE | CRC_REFOUT_ENABLE | CRC_XOROUT_DISABLE);
DDL_Printf("CRC_Init(CRC_SEL_32B | CRC_REFIN_ENABLE | CRC_REFOUT_ENABLE | CRC_XOROUT_DISABLE);\n");
TIM_Measure_Start();
u32Checksum = CRC_Calculate32B(u32InitVal, au32Data, 2u);
TIM_Measure_Stop();
t = Get_Time();
DDL_Printf("CRC_Calculate32B use time: %fus\n",t*1000.0f);
DDL_Printf("CRC32 result = %.8x\n", u32Checksum);
TIM_Measure_Start();
bFlag = CRC_Check32B(u32InitVal, u32Checksum, au32Data, 2u);
TIM_Measure_Stop();
t = Get_Time();
DDL_Printf("CRC_Check32B use time: %fus\n",t*1000.0f);
DDL_Printf("CRC32 flag = %d\n", bFlag);
/* Changes the CRC configuration. */
CRC_Init(CRC_SEL_32B | CRC_REFIN_DISABLE | CRC_REFOUT_DISABLE | CRC_XOROUT_ENABLE);
DDL_Printf("CRC_Init(CRC_SEL_32B | CRC_REFIN_DISABLE | CRC_REFOUT_DISABLE | CRC_XOROUT_ENABLE);\n");
TIM_Measure_Start();
u32Checksum = CRC_Calculate32B(u32InitVal, au32Data, 2u);
TIM_Measure_Stop();
t = Get_Time();
DDL_Printf("CRC_Calculate32B use time: %fus\n",t*1000.0f);
DDL_Printf("CRC32 result = %.8x\n", u32Checksum);
TIM_Measure_Start();
bFlag = CRC_Check32B(u32InitVal, u32Checksum, au32Data, 2u);
TIM_Measure_Stop();
t = Get_Time();
DDL_Printf("CRC_Check32B use time: %fus\n",t*1000.0f);
DDL_Printf("CRC32 flag = %d\n", bFlag);
/* CRC32 usage. */
u32InitVal = 0xFFFFFFFFu;
/* Changes the CRC configuration. */
CRC_Init(CRC_SEL_32B | CRC_REFIN_DISABLE | CRC_REFOUT_DISABLE | CRC_XOROUT_DISABLE);
DDL_Printf("CRC_Init(CRC_SEL_32B | CRC_REFIN_DISABLE | CRC_REFOUT_DISABLE | CRC_XOROUT_DISABLE);\n");
TIM_Measure_Start();
u32Checksum = CRC_Calculate32B(u32InitVal, DataBuffer, 120u);
TIM_Measure_Stop();
t = Get_Time();
DDL_Printf("CRC_Calculate32B use time: %fus\n",t*1000.0f);
DDL_Printf("CRC32 result = %.8x\n", u32Checksum);
TIM_Measure_Start();
bFlag = CRC_Check32B(u32InitVal, u32Checksum, DataBuffer, 120u);
TIM_Measure_Stop();
t = Get_Time();
DDL_Printf("CRC_Check32B use time: %fus\n",t*1000.0f);
DDL_Printf("CRC32 flag = %d\n", bFlag);
while(1);
};
}
/*******************************************************************************
* EOF (not truncated)
******************************************************************************/
https://mp.weixin.qq.com/s/YF0PcbIAPVhZXkVCnNEffg 本人专门写过一篇,请参考