60 lines
2.4 KiB
C
60 lines
2.4 KiB
C
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/********************************** (C) COPYRIGHT *******************************
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* File Name : MainMaster.C
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* Author : WCH
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* Version : V1.0
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* Date : 2017/01/20
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* Description : CH554 SPI主机和CH376通讯，发送CH376测试命令，CH376取反返回
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*******************************************************************************/
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#include "..\Public\CH554.H"
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#include "..\Public\Debug.H"
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#include "SPI.H"
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#include "stdio.h"
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#include <string.h>
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/*硬件接口定义*/
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/******************************************************************************
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使用CH554 硬件SPI接口
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CH554 DIR
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P1.4 <==> SCS
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P1.5 <==> MOSI
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P1.6 <==> MISO
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P1.7 <==> SCK
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*******************************************************************************/
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void main()
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{
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UINT8 ret,i=0;
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CfgFsys( );
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mDelaymS(5); //调整主频，建议稍加延时等待内部时钟稳定
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mInitSTDIO( ); //串口0初始化
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printf("start ...\n");
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SPIMasterModeSet(3); //SPI主机模式设置，模式3
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SPI_CK_SET(2); //2分频，最快
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// #ifdef SPI0Interrupt
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// CH554SPIInterruptInit(); //SPI中断初始化
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// EA = 1; //使能全局中断
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// #endif
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while(1)
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{
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SCS = 0;
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CH554SPIMasterWrite(0x06); //CH554和CH376通讯，CH376测试命令
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mDelayuS(2); //测试命令，会收到CH376取反返回的数据
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CH554SPIMasterWrite(i);
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mDelayuS(2);
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ret = CH554SPIMasterRead(); //接收CH376返回的数据
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SCS = 1;
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if(ret != (i^0xff))
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{
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printf("Err: %02X %02X \n",(UINT16)i,(UINT16)ret); //如果不等于发送数据的取反，打印错误信息
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}
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mDelaymS(50);
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i = i+1;
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if((i%40)==0)
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{
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printf("success %02x\n",(UINT16)i); //每成功40次打印一次
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}
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}
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} |