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标题: 16F887 基于CCS的通信程序 [打印本页]

作者: star 时间: 2012-8-21 17:55
标题: 16F887 基于CCS的通信程序
用CCS 写了简单的通讯程序

#include <16F887.h>
#device ADC = 10
#fuses HS,NOWDT,NOPROTECT,NOLVP
#use delay(clock=16000000)
#use rs232(baud=9600, xmit=PIN_C6, rcv=PIN_C7,stream=MYPC)
#define RD0 PIN_D0
#define RD2 PIN_D2
#define RD3 PIN_D3

#include <string.h>

void LED_Running()
{
output_low(RD0);
delay_ms(100);
output_high(RD0);
delay_ms(100);
}
void RAD_VOLT(TD)
{
//define the value for variable;

int8 M_Volt[10];
float  Value;

setup_port_a( ALL_ANALOG | VSS_VDD );
setup_adc( ADC_CLOCK_INTERNAL );
set_adc_channel(TD);
delay_us(50);
value = Read_ADC();
delay_us(50);
setup_adc(ADC_OFF);
delay_us(50);
value = 5.0*value/1023; // Measurement volatge
sprintf(M_Volt, "%1.3fV \n\r",value);
printf(M_Volt);

//  return(M_Volt);
}
void init_io()
{
SET_TRIS_A(0x0F);
output_B(0x00);
output_C(0x00);
output_D(0x00);
}
void main()
{
int8 RC_flag;
unsigned int8 RC_CMD[8];
char ptRCi;
char DATA;
int8 value;
char tmpch;
long tttlong;
char bKb;
int TD;
char PD;
//int8 string[20];
ptRCi=0;
tttlong=0;
init_io();
Loop:
while(1)
{//LED Running
tttlong ++;
if (tttlong > 20000)
{output_low(RD0);}
if (tttlong > 50000)
{  output_high(RD0);
   tttlong =0;
}

bKb = kbhit();
if (bKb)
{
   tmpch = getc();
   if (tmpch == '#')
   {
      ptRCi=0;
   }

   RC_CMD[ptRCi]=tmpch;

   ptRCi ++;
   ptRCi %= 8;

   if (tmpch == '$')
   {
   // reading adc
      if ( (RC_CMD[0]=='#') && (RC_CMD[1]=='R') && (RC_CMD[2]=='A') && (RC_CMD[3]=='D') && (RC_CMD[4]<='7') && (RC_CMD[5]=='$') && (ptRCi==6))
      {
      switch(RC_CMD[4])

         { case '0': TD=0; break;
            case '1': TD=1; break;
            case '2': TD=2; break;
            case '3': TD=3; break;
            case '4': TD=4; break;
            case '5': TD=5; break;
            case '6': TD=6; break;
            case '7': TD=7; break;

      }
      RAD_VOLT(TD);
      goto Loop;
      }

      //== i/o control for port D by line
      if((RC_CMD[0]=='#') && (RC_CMD[1]=='S') && (RC_CMD[2]=='P') &&(RC_CMD[3]<='D') && (RC_CMD[4]<='7') && (RC_CMD[5]=='$') && (ptRCi==6))
      {
      switch(RC_CMD[4])
         { case '0'

D=PIN_D0;break;
case '1'

D=PIN_D1;break;
case '2'

D=PIN_D2;break;
case '3'

D=PIN_D3;break;
case '4'

D=PIN_D4;break;
case '5'

D=PIN_D5;break;
case '6'

D=PIN_D6;break;
case '7'

D=PIN_D7;break;
      }

      output_high(PD);
      goto Loop;
      }

      //== i/o control for port D release by line
      if((RC_CMD[0]=='#') && (RC_CMD[1]=='R') && (RC_CMD[2]=='P') &&(RC_CMD[3]<='D') && (RC_CMD[4]<='7') && (RC_CMD[5]=='$') && (ptRCi==6))
      {
      switch(RC_CMD[4])
         { case '0'

D=PIN_D0;break;
case '1'

D=PIN_D1;break;
            case '2':PD=PIN_D2;break;
            case '3':PD=PIN_D3;break;
            case '4':PD=PIN_D4;break;
            case '5':PD=PIN_D5;break;
            case '6':PD=PIN_D6;break;
            case '7':PD=PIN_D7;break;
      }

      output_low(PD);
      goto Loop;
      }

      else
      {printf("%S \n\r","unknowen Command, Please check");}
   }


}

}
}

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