📄 rfrecive.c
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/*******************************************************************
/Program Name: Telecontrol Device Sink Terminal Program
/Program Function: NO
/Program Explain: include <config.h>
ICC-AVR application builder
Target : M8
Crystal: 8.0000Mhz
/Emport: NO
/Export: NO
/Date Created: 2008-3-11
/History Edition: NO
/Author: Duan Jinlong
********************************************************************/
#include <config.h>
void port_init(void)
{
PORTB = 0xC0;
DDRB = 0xC0; //PORTB is use to receive the data witch comes from PT2272;PORTD 2 is the signal of PT2272
PORTC = 0xFF;
DDRC = 0xFF; //PORTC,0,1,2,3,is use to contorl the 74ls164;4,5 is use to contorl the led
PORTD = 0xF3; //PORTD 0,1,2,4,5,6 is output I/O(portd3 is use to choice the mode of code send)
DDRD = 0xF3; //PORTD2 is enable signal from PT2272
}
/*******************************************************************
/Subprogram Name: watchdog_init()
/Subprogram Function: initialization the watch dog
/Subprogram Explain: WDR() is the command of clear the watch dog
/Emport: NO
/Export: NO
/Date Created: 2008-3-11
/History Edition: NO
/Author: Duan Jinlong
********************************************************************/
void watchdog_init(void)
{
WDR (); //this prevents a timeout on enabling
WDTCR |= (1<<WDCE) | (1<<WDE);/* 30-Oct-2006 Umesh*/
WDTCR = 0x09; //WATCHDOG ENABLED - dont forget to issue WDRs
}
/*******************************************************************
/Subprogram Name: int0_isr()
/Subprogram Function: Emport programmof INT0
/Subprogram Explain: NO
/Emport: NO
/Export: NO
/Date Created: 2008-3-11
/History Edition: NO
/Author: Duan Jinlong
********************************************************************/
#pragma interrupt_handler int0_isr:iv_INT0
void int0_isr(void)
{
Receive=PINB&0x3f;
Int0Syb=1;
}
/*******************************************************************
/Subprogram Name: init_devices()
/Subprogram Function: MCU Device initialization
/Subprogram Explain: NO
/Emport: NO
/Export: NO
/Date Created: 2008-3-11
/History Edition: NO
/Author: Duan Jinlong
********************************************************************/
void init_devices(void)
{
//stop errant interrupts until set up
CLI(); //disable all interrupts
port_init();
watchdog_init();
MCUCR = 0x03;
GICR = 0x40;
TIMSK = 0x00; //timer interrupt sources
SEI(); //re-enable interrupts
//all peripherals are now initialized
}
/*******************************************************************
/Subprogram Name : main()
/Subprogram Function: Main program
/Subprogram Explain : Include all Application
/Emport: NO
/Export: NO
/Date Created: 2008-3-11
/History Edition: NO
/Author: Duan Jinlong
********************************************************************/
void main(void)
{Int0Syb=0;
init_devices();
while(1)
{
WDR ();
if(Get_Bit(PIND,3)) //if PORTD 5 IS 1,send analog signals
{
Value2BCD(Receive);
Set_Bit(PORTC,3);
Clr_Bit(PORTC,4);
OP_HC164(DispValue[DispBuf[1]]);
Delay(50,200);
Set_Bit(PORTC,4);
Clr_Bit(PORTC,3);
OP_HC164(DispValue[DispBuf[0]]);
Delay(50,200);
}
else
{
if(Int0Syb==1)
{
Leddisp();
Delay(50,2000);
Int0Syb=0;
}
else
{
PORTD=0XFF;
}
}
}
}
/*******************************************************************
/Subprogram Name : Value2BCD()
/Subprogram Function: ADC Value change to BCD array
/Subprogram Explain : NO
/Emport: value The value read from PT2272
/Export: NO
/Date Created: 2008-3-11
/History Edition: NO
/Author: Duan Jinlong
********************************************************************/
void Value2BCD(uint value)
{ WDR ();
DispBuf[0]=value/10;
DispBuf[1]=value%10;
}
/*******************************************************************
/Subprogram Name : Delay()
/Subprogram Function: Delay Time
/Subprogram Explain :
/Emport: NO
/Export: NO
/Date Created: 2008-3-11
/History Edition: NO
/Author: Duan Jinlong
********************************************************************/
void Delay(uint Time1,uint Time2)
{
int i,j;
for(i=0;i<Time2;i++)
{WDR ();
for(j=0;j<Time1;j++){WDR (); }
}
}
/*******************************************************************
/Subprogram Name : OP_HC164()
/Subprogram Function: Operate the 74ls164 to Send the data to the 7SEG LED
/Subprogram Explain : 74HC164 device operation Drive function
/Emport: data --The data which will be send to
/Export: NO
/Date Created: 2008-3-11
/History Edition: NO
/Author: Duan Jinlong
********************************************************************/
void OP_HC164(uchar data)
{
uchar i,Left_data,pp;
WDR (); //feed the dog
Clr_Bit(PORTC,1);
Delay(10,1);
Set_Bit(PORTC,1);
for(i=0;i<8;i++)
{
pp=data&0x80; // make sure the shift data is 0 or 1
data=(data<<1);
if (pp==0)
{
Clr_Bit(PORTC,1);
Delay(10,1);
Clr_Bit(PORTC,2);
Delay(1,10);
Set_Bit(PORTC,2);
}
else
{
Set_Bit(PORTC,1);
Delay(10,1);
Clr_Bit(PORTC,2);
Delay(1,10);
Set_Bit(PORTC,2);
}
}
}
/*******************************************************************
/Subprogram Name : Receive_PT2272()
/Subprogram Function: Reveice the data from the PT2272
/Subprogram Explain :
/Emport: NO
/Export: data
/Date Created: 2008-3-11
/History Edition: NO
/Author: Duan Jinlong
********************************************************************/
uchar Receive_PT2272(void)
{ uchar data;
WDR (); //feed the dog
data=0X3F&PINB; //send the data to the 2262
return data;
}
/*******************************************************************
/Subprogram Name : Leddisp()
/Subprogram Function: switch the led light
/Subprogram Explain : NO
/Emport: NO
/Export: key
/Date Created: 2008-3-11
/History Edition: NO
/Author: Duan Jinlong
********************************************************************/
void Leddisp(void)
{ WDR (); //feed the dog
switch (Receive)
{
case 0x3f:
PORTD=0x73;
Set_Bit(PORTC,3);
Clr_Bit(PORTC,4);
OP_HC164(DispValue[0]);
//Delay(200,2000);
//PORTD=0xf3;
Int0Syb=0;
break;
case 0x3e:
Set_Bit(PORTC,3);
Clr_Bit(PORTC,4);
OP_HC164(DispValue[1]);
PORTD=0xf2;
//Delay(200,2000);
//PORTD=0xf3;
Int0Syb=0;
break ;
case 0x3d:
Set_Bit(PORTC,3);
Clr_Bit(PORTC,4);
OP_HC164(DispValue[2]);
PORTD=0xf1;
//Delay(200,2000);
//PORTD=0xf3;
Int0Syb=0;
break ;
case 0x3b:
Set_Bit(PORTC,3);
Clr_Bit(PORTC,4);
OP_HC164(DispValue[3]);
PORTD=0xE3;
//Delay(200,2000);
//PORTD=0xf3;
Int0Syb=0;
break ;
case 0x37:
Set_Bit(PORTC,3);
Clr_Bit(PORTC,4);
OP_HC164(DispValue[4]);
PORTD=0xD3;
//Delay(200,2000);
//PORTD=0xf3;
Int0Syb=0;
break ;
case 0x2f:
Set_Bit(PORTC,3);
Clr_Bit(PORTC,4);
OP_HC164(DispValue[5]);
PORTD=0xB3;
// Delay(200,2000);
//PORTD=0xf3;
Int0Syb=0;
break;
}
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