📄 k13.c
字号:
/*题目：音频切换分配器*/
/*作者：雷玉霞 */
/*时间：2005年8月22日 */
/*文件名称：k13-501x.c */
/*升级记录： */
#include <reg52.h>
#include <intrins.h>
/*数据类型简洁定义*/
typedef unsigned char byte;
typedef unsigned short word;
typedef unsigned long dword;
/*I/O定义*/
sbit g_sbtswitch0= 0x90;/*拨码开关*/
sbit g_sbtswitch1= 0x91;
sbit g_sbtswitch2= 0x92;
sbit g_sbtswitch3= 0x93;
sbit g_sbtkeypress0= 0x94;
sbit g_sbtkeypress1= 0x95;
sbit g_sbtkeypress2= 0x96;
sbit g_sbtkeypress3= 0x97;
sbit g_sbtMc1413_In0= 0x80;/*MC1413输入*/
sbit g_sbtMc1413_In1= 0x81;
sbit g_sbtMc1413_In2= 0x82;
sbit g_sbtMc1413_In3= 0x83;
sbit g_sbtX5045_Cs= 0x84;/*X5045*/
sbit g_sbtX5045_So= 0x85;
sbit g_sbtX5045_Sck= 0x86;
sbit g_sbtX5045_Si= 0x87;
sbit g_sbtLBD_Red0= 0xa0;/*通道状态指示灯*/
sbit g_sbtLBD_Green0= 0xa1;
sbit g_sbtLBD_Red1= 0xa2;
sbit g_sbtLBD_Green1= 0xa3;
sbit g_sbtLBD_Red2= 0xa4;
sbit g_sbtLBD_Green2= 0xa5;
sbit g_sbtLBD_Red3= 0xa6;
sbit g_sbtLBD_Green3= 0xa7;
sbit g_sbtInput0= 0xb2;/*故障信号输入*/
sbit g_sbtInput1= 0xb3;
sbit g_sbtInput2= 0xb4;
sbit g_sbtInput3= 0xb5;
#define WREN 0x06
#define WRDI 0x04
#define RDSR 0x05
#define WRSR 0x01
#define READ0 0x03
#define READ1 0x0b
#define WRITE0 0x02
#define WRITE1 0x0a
bit data g_btTi;
bit data g_bComming;
bit data g_btPckey;/*上位机切换标志*/
bit data g_btKeyflag;/*手动切换标志*/
bit data g_binput0;/*故障一标志*/
bit data g_binput1;/*故障二标志*/
bit data g_binput2;/*故障三标志*/
bit data g_binput3;/*故障四标志*/
bit data binput0=1;
bit data btemp0=1;
bit data binput1=1;
bit data btemp1=1;
bit data binput2=1;
bit data btemp2=1;
bit data binput3=1;
bit data btemp3=1;
byte data g_bkeypress;
byte data g_bpBuf[50]; /*serial receive buffer*/
byte data *g_bpR; /*read serial receive buffer address*/
byte data *g_bpW; /*write serial receive buffer address*/
word data g_wLen; /*serial receive buffer length*/
word data g_wOverTime; /*time0 counter*/
word data g_wOverTime0; /*time0 counter*/
word data g_wOverTime1; /*time0 counter*/
word data g_wOverTime2; /*time0 counter*/
word data g_wOverTime3; /*time0 counter*/
byte Read8()
{
bit data bData;
byte data cLoop;
byte data cData;
for(cLoop=0;cLoop<8;cLoop++)
{
g_sbtX5045_Sck=1;
g_sbtX5045_Sck=0;
bData=g_sbtX5045_So;
cData<<=1;
if(bData)
{
cData|=0x01;
}
}
return cData;
}
void Write8(byte cData)
{
byte data cLoop;
for(cLoop=0;cLoop<8;cLoop++)
{
if((cData&0x80)==0)
{
g_sbtX5045_Si=0;
}
else
{
g_sbtX5045_Si=1;
}
g_sbtX5045_Sck=0;
g_sbtX5045_Sck=1;
cData<<=1;
}
}
byte ReadSR()
{
byte data cData;
g_sbtX5045_Cs=0;
Write8(RDSR);
cData=Read8();
g_sbtX5045_Cs=1;
return cData;
}
byte WriteSR(byte cData)
{
byte data cTemp;
cTemp=ReadSR();
if((cTemp&0x01)==1)
return 0;
g_sbtX5045_Cs=0;
Write8(WREN);
g_sbtX5045_Cs=1;
g_sbtX5045_Cs=0;
Write8(WRSR);
Write8(cData);
g_sbtX5045_Cs=1;
return 1;
}
/* 写入一个字节，cData为写入的数，cAddress为写入地址，bRegion为页 */
void Write1B(byte cData,byte cAddress,bit bRegion)
{
while((ReadSR()&0x01)==1)
{
}
g_sbtX5045_Cs=0;
Write8(WREN);
g_sbtX5045_Cs=1;
g_sbtX5045_Cs=0;
if(bRegion==0)
{
Write8(WRITE0);
}
else
{
Write8(WRITE1);
}
Write8(cAddress);
Write8(cData);
g_sbtX5045_Sck=0;
g_sbtX5045_Cs=1;
}
/* 读入一个字节，cAddress为读入地址，bRegion为页 */
byte Read1B(byte cAddress,bit bRegion)
{
byte data cData;
while((ReadSR()&0x01)==1)
{
}
g_sbtX5045_Cs=0;
if(bRegion==0)
{
Write8(READ0);
}
else
{
Write8(READ1);
}
Write8(cAddress);
cData=Read8();
g_sbtX5045_Cs=1;
return cData;
}
/*看门狗喂狗信号 */
void watchdog(void)
{
g_sbtX5045_Cs=1;
_nop_();
_nop_();
_nop_();
_nop_();
_nop_();
g_sbtX5045_Cs=0;
}
/* 拨码开关选择故障延时时间 */
word switch0(void) using 2
{
byte data bStatu;
bStatu=P1&0X0F;
switch(bStatu)
{
case 0x0f:
return 1200;
break;
case 0x0e:
return 1000;
break;
case 0x0d:
return 800;
break;
case 0x0c:
return 600;
break;
default:
return 600;
break;
}
}
/* 根据故障状态自动切换通道 */
void inputstatus(void)
{
byte data g_bflash;
if (g_binput0==1)
{
g_bflash=0X10;
}
else
{
g_bflash=0X00;
}
g_sbtLBD_Red0=!(g_bflash&0x10);
if (g_binput1==1)
{
g_bflash+=0X20;
}
else
{
}
g_sbtLBD_Red1=!(g_bflash&0x20);
if (g_binput2==1)
{
g_bflash+=0X40;
}
else
{
}
g_sbtLBD_Red2=!(g_bflash&0x40);
if (g_binput3==1)
{
g_bflash+=0X80;
}
else
{
}
g_sbtLBD_Red3=!(g_bflash&0x80);
if ((g_btKeyflag==0) && (g_btPckey==0))
{
if (g_bflash==0X00)
{
g_sbtLBD_Green0=0;
g_sbtLBD_Green1=1;
g_sbtLBD_Green2=1;
g_sbtLBD_Green3=1;
}
else if ((~g_bflash)&0X10)
{
g_sbtLBD_Green0=0;
g_sbtLBD_Green1=1;
g_sbtLBD_Green2=1;
g_sbtLBD_Green3=1;
}
else if ((~g_bflash)&0X20)
{
g_sbtLBD_Green0=1;
g_sbtLBD_Green1=0;
g_sbtLBD_Green2=1;
g_sbtLBD_Green3=1;
}
else if ((~g_bflash)&0X40)
{
g_sbtLBD_Green0=1;
g_sbtLBD_Green1=1;
g_sbtLBD_Green2=0;
g_sbtLBD_Green3=1;
}
else if ((~g_bflash)&0X80)
{
g_sbtLBD_Green0=1;
g_sbtLBD_Green1=1;
g_sbtLBD_Green2=1;
g_sbtLBD_Green3=0;
}
else
{
g_sbtLBD_Green0=0;
g_sbtLBD_Green1=1;
g_sbtLBD_Green2=1;
g_sbtLBD_Green3=1;
}
g_sbtMc1413_In0=!(g_sbtLBD_Green0);
g_sbtMc1413_In1=!(g_sbtLBD_Green1);
g_sbtMc1413_In2=!(g_sbtLBD_Green2);
g_sbtMc1413_In3=!(g_sbtLBD_Green3);
}
}
/*手动切换通道*/
void keypress(void)
{
if (g_bkeypress==0x01)
{
g_sbtLBD_Green0=0;
g_sbtLBD_Green1=1;
g_sbtLBD_Green2=1;
g_sbtLBD_Green3=1;
g_sbtMc1413_In0=1;
g_sbtMc1413_In1=0;
g_sbtMc1413_In2=0;
g_sbtMc1413_In3=0;
}
else if (g_bkeypress==0x02)
{
g_sbtLBD_Green0=1;
g_sbtLBD_Green1=0;
g_sbtLBD_Green2=1;
g_sbtLBD_Green3=1;
g_sbtMc1413_In0=0;
g_sbtMc1413_In1=1;
g_sbtMc1413_In2=0;
g_sbtMc1413_In3=0;
}
else if (g_bkeypress==0x03)
{
g_sbtLBD_Green0=1;
g_sbtLBD_Green1=1;
g_sbtLBD_Green2=0;
g_sbtLBD_Green3=1;
g_sbtMc1413_In0=0;
g_sbtMc1413_In1=0;
g_sbtMc1413_In2=1;
g_sbtMc1413_In3=0;
}
else if (g_bkeypress==0x04)
{
g_sbtLBD_Green0=1;
g_sbtLBD_Green1=1;
g_sbtLBD_Green2=1;
g_sbtLBD_Green3=0;
g_sbtMc1413_In0=0;
g_sbtMc1413_In1=0;
g_sbtMc1413_In2=0;
g_sbtMc1413_In3=1;
}
g_bkeypress=0x00;
}
void Serial_Interrupt(void) interrupt 4 using 1
{
byte data bSio;
if (TI)
{
TI=0;
g_btTi=1;
}
else
{
RI=0;
bSio=SBUF;
if (g_bpW >= (g_bpBuf+50))
g_bpW = g_bpBuf;
*g_bpW = bSio;
g_bpW++;
g_wLen ++;
}
}
void Int_Time0(void) interrupt 1 using 2
{
static byte data binputstatus = 0;
TH0=0xC4;/*10ms*/
TL0=0x00;
if (g_wOverTime)
g_wOverTime--;
if (g_wOverTime0)
{
g_wOverTime0--;
if (g_wOverTime0==0)
{
g_binput0=1;
}
else
{
g_binput0=0;
}
}
if (g_wOverTime1)
{
g_wOverTime1--;
if (g_wOverTime1==0)
{
g_binput1=1;
}
else
g_binput1=0;
}
if (g_wOverTime2)
{
g_wOverTime2--;
if (g_wOverTime2==0)
{
g_binput2=1;
}
else
g_binput2=0;
}
if (g_wOverTime3)
{
g_wOverTime3--;
if (g_wOverTime3==0)
{
g_binput3=1;
}
else
g_binput3=0;
}
if (binputstatus <= 1)
{
if (!g_sbtInput0)
{
binput0=1;
btemp0=binput0;
}
else
{
binput0=0;
}
if (btemp0==1 && binput0==0)
{
g_wOverTime0=switch0();
}
else if (btemp0==1 && binput0==1)
{
g_wOverTime0=switch0();
}
if (!g_sbtInput1)
{
binput1=1;
btemp1=binput1;
}
else
{
binput1=0;
}
if (btemp1==1 && binput1==0)
{
g_wOverTime1=switch0();
}
else if (btemp1==1 && binput1==1)
{
g_wOverTime1=switch0();
}
if (!g_sbtInput2)
{
binput2=1;
btemp2=binput2;
}
else
{
binput2=0;
}
if (btemp2==1 && binput2==0)
{
g_wOverTime2=switch0();
}
else if (btemp2==1 && binput2==1)
{
g_wOverTime2=switch0();
}
if (!g_sbtInput3)
{
binput3=1;
btemp3=binput3;
}
else
{
binput3=0;
}
if (btemp3==1 && binput3==0)
{
g_wOverTime3=switch0();
}
else if (btemp3==1 && binput3==1)
{
g_wOverTime3=switch0();
}
binputstatus++;
if (binputstatus == 2)
{
binputstatus=0;
binput0=0;
btemp0=0;
binput1=0;
btemp1=0;
binput2=0;
btemp2=0;
binput3=0;
btemp3=0;
}
}
if (!g_sbtkeypress0)
{
g_btKeyflag=1;
g_bkeypress=0x01;
}
if (!g_sbtkeypress1)
{
g_btKeyflag=1;
g_bkeypress=0x02;
}
if (!g_sbtkeypress2)
{
g_btKeyflag=1;
g_bkeypress=0x03;
}
if (!g_sbtkeypress3)
{
g_btKeyflag=1;
g_bkeypress=0x04;
}
}
/*****************************************************************
函数功能: 从接收缓冲区读取数据
入口参数: 读取的数据
出口参数: 0/1: 无/有数据
*****************************************************************/
byte ReceiveOne(byte *bpData)
{
g_wOverTime = 5;
while(1)
{
if(g_wLen)
{
if(g_bpR >= (g_bpBuf + 50))
g_bpR = g_bpBuf;
*bpData = *g_bpR;
EA = 0;
g_wLen--;
EA = 1;
g_bpR++;
return 0x01;
}
else if(g_bComming)
{
if(g_wOverTime == 0)
return 0x00;
}
else
return 0x00;
}
}
/*****************************************************************
函数功能: 向上位机发送数据
入口参数: bpData: 数据首地址
wLen: 数据长度
出口参数: 无
*****************************************************************/
void SendData(byte *bpData,word wLen)
{
g_btTi = 0;
while(wLen--)
{
SBUF = *bpData++;
while(!g_btTi);
g_btTi = 0;
}
}
/*****************************************************************
函数功能: 解释上位机命令
入口参数: 无
出口参数: 无
*****************************************************************/
void ExecuteCommand(void)
{
byte data bData;
byte data bReturn;
byte data temp0;
static byte data bStatusCommand = 0;
byte bsenddata[2];
struct
{
byte bCommand1;
byte bCommand2;
byte bCommand3;
byte bLen;
byte bpBuf[2];
byte bchk;
}Receive;
g_bComming = 0;
while(1)
{
bReturn = ReceiveOne(&bData);
if(bReturn == 0)
{
if(bStatusCommand)
bStatusCommand = 0;
return;
}
switch (bStatusCommand)
{
case 0:
Receive.bCommand1 = bData;
Receive.bchk += Receive.bCommand1;
g_bComming = 1;
bStatusCommand++;
break;
case 1:
Receive.bCommand2 = bData;
Receive.bchk += Receive.bCommand2;
g_bComming = 1;
bStatusCommand++;
break;
case 2:
Receive.bCommand3 = bData;
Receive.bchk += Receive.bCommand3;
g_bComming = 1;
bStatusCommand++;
break;
case 3:
Receive.bLen = bData;
Receive.bchk += Receive.bLen;
g_bComming = 1;
bStatusCommand++;
break;
case 4:
Receive.bpBuf[0] = bData;
Receive.bchk += Receive.bpBuf[0];
g_bComming = 1;
bStatusCommand++;
break;
case 5:
Receive.bpBuf[1] = bData;
Receive.bchk += Receive.bpBuf[1];
g_bComming = 1;
bStatusCommand++;
break;
case 6:
if (Receive.bchk == bData)
{
if (Receive.bCommand1 == 0x01)/*联机并确认机器号*/
{
temp0 = Read1B(0x00,0);
if (Receive.bpBuf[0] == temp0)
{
bsenddata[0] = 0xaa;
SendData(&bsenddata,1);
}
else
{
bsenddata[0] = 0x55;
SendData(&bsenddata,1);
}
}
else if (Receive.bCommand1 == 0x10)/*上传通道状态*/
{
bsenddata[0] = P2;
SendData(&bsenddata,1);
}
else if (Receive.bCommand1 == 0x20)/*切换通道*/
{
g_btPckey=1;
if (Receive.bCommand2 == 0x01)
{
g_sbtLBD_Green0 = 0;
}
else
{
g_sbtLBD_Green0 = 1;
}
if (Receive.bCommand2 == 0x02)
{
g_sbtLBD_Green1 = 0;
}
else
{
g_sbtLBD_Green1 = 1;
}
if (Receive.bCommand2 == 0x04)
{
g_sbtLBD_Green2 = 0;
}
else
{
g_sbtLBD_Green2 = 1;
}
if (Receive.bCommand2 == 0x08)
{
g_sbtLBD_Green3 = 0;
}
else
{
g_sbtLBD_Green3 = 1;
}
g_sbtMc1413_In0=!g_sbtLBD_Green0;
g_sbtMc1413_In1=!g_sbtLBD_Green1;
g_sbtMc1413_In2=!g_sbtLBD_Green2;
g_sbtMc1413_In3=!g_sbtLBD_Green3;
bsenddata[0] = 0xaa;
SendData(&bsenddata,1);
}
}
Receive.bchk = 0;
bStatusCommand = 0;
break;
}
if(bStatusCommand == 0)
{
g_bComming = 0;
}
}
}
/*上电初始化*/
void PowerInit(void)
{
TMOD = 0x21;/*T1 8位 T0 16位*/
SCON = 0X50;/*串口工作方式1，允许串口接收*/
TCON = 0x50;/*T1启动 T0启动*/
TH1 = 0xFD;
TL1 = 0xFD;
IE = 0x12;/*串口中断开，定时器0开中断*/
IP = 0x10;/*串口中断优先*/
g_wLen = 0;
g_bpR = g_bpBuf;
g_bpW = g_bpBuf;
EA = 1;
WriteSR(0x00);
}
void main()
{
/*SP=0x60;*/
PowerInit();
while(1)
{
watchdog();
inputstatus();
keypress();
ExecuteCommand();
}
}
⌨️ 快捷键说明
复制代码
Ctrl + C
搜索代码
Ctrl + F
全屏模式
F11
切换主题
Ctrl + Shift + D
显示快捷键
?
增大字号
Ctrl + =
减小字号
Ctrl + -