CH552/examples/DataFlash/Main.C
2018-10-17 16:44:45 +08:00

44 lines
1.8 KiB
C

/********************************** (C) COPYRIGHT *******************************
* File Name : Main.C
* Author : WCH
* Version : V1.0
* Date : 2017/01/20
* Description : CH554 DataFlash字节读写演示示例
写 DataFlash 数据区域,向目标地址写入单字节数据
读 DataFlash 数据区域,从目标地址读取单字节数据
*******************************************************************************/
#include "..\Public\CH554.H"
#include "..\Public\Debug.H"
#include "DataFlash.H"
#include "stdio.h"
#include <string.h>
void main( )
{
UINT8 i,m,len;
UINT16 j = 0;
CfgFsys( ); //CH554时钟选择配置
mDelaymS(20);
mInitSTDIO( ); //串口0初始化
printf("start ...\n");
while(1){
for(i=0;i<128;i++){ //循环写入128字节
len = WriteDataFlash(i,&i,1); //向DataFlash区域偏移地址i写入i
if(len != 1){
printf("Write Err 次 = %02x,m = %02x\n",j,(UINT16)m); //写出错打印
}
}
for(i=0;i<128;i++){ //读DataFlash区域偏移地址i并校验
len = ReadDataFlash(i,1,&m);
if((len != 1) ||(m != i)){
printf("Read Err 次 = %02x, = %02x,addr =%02x ,值= %02x\n",j,(UINT16)(i*2),(UINT16)ROM_DATA_L,(UINT16)m);
} //读校验出错打印
}
printf("$$OK %02x \n",j);
j++;
mDelaymS(100);
}
}