RuH_iranga
Junior Member level 3
Hi all
This code is working on Proteus as well as tested on 18F452 (Master) and 16F877a (Slave).
Compiler- MikroC
I tried this one several times but it didn't work. When I changed the inbuilt "Spi_read()" command and used direct Registry reading as in the data sheet. Then it worked.
Master
Slave
Slave 2
This code is working on Proteus as well as tested on 18F452 (Master) and 16F877a (Slave).
Compiler- MikroC
I tried this one several times but it didn't work. When I changed the inbuilt "Spi_read()" command and used direct Registry reading as in the data sheet. Then it worked.
Master
Code:
// Mikroc codes for SPI master device
void main()
{ INTCON.GIE = 1;
//ADCON1=0b00000111;
trisc=0b00010000;
trisd=0b00000000;
//trisa=0b00000000;
portd.f1=1;
SSPSTAT.SMP=0;
SSPSTAT.CKE=0;
SSPCON.SSPEN=1;
SSPCON.CKP=1;
SSPCON.SSPM3=0;
SSPCON.SSPM2=0;
SSPCON.SSPM1=0;
SSPCON.SSPM0=0;
//Spi_Init_Advanced(MASTER_OSC_DIV4, DATA_SAMPLE_END, CLK_Idle_HIGH, LOW_2_HIGH);
while(1)
{
portd.f1=0;
SSPCON.WCOL=0;
Spi_Write(102);
portd.f1=1;
portd.f2=0;
SSPCON.WCOL=0;
Spi_Write(254);
delay_ms(100);
portd.f2=1;
portd.f2=0;
SSPCON.WCOL=0;
Spi_Write(1);
delay_ms(100);
portd.f2=1;
}
}Slave
Code:
// Mikroc codes for SPI slave divice
// SIMULATION SUCCEED DSN IN My Doc PLATFORM FOLDER
void main()
{
unsigned int buffer, gdata =0;
trisa=0b00100000;
trisc=0b00011000;
trisd=0b00000000;
trisb=0b00000000;
INTCON.GIE = 1;
SSPSTAT.SMP=0;
SSPSTAT.CKE=0;
//SSPCON.SSPOV=0;
SSPCON.SSPEN=1;
SSPCON.CKP=1;
SSPCON.SSPM3=0;
SSPCON.SSPM2=1;
SSPCON.SSPM1=0;
SSPCON.SSPM0=0;
//Spi_Init_Advanced(SLAVE_SS_ENABLE,DATA_SAMPLE_END,CLK_Idle_HIGH,LOW_2_HIGH);
while(1)
{
if(SSPSTAT.BF)
{
gdata=SSPBUF;
SSPCON.SSPOV=0;
}
// gdata=Spi_Read(0);
if(gdata>100)
{
portb.f6=1;
portb.f7=0;
//delay_ms(20);
}
else
{
portb.f6=0;
portb.f7=1;
//delay_ms(20);
}
}
}Slave 2
Code:
// Mikroc codes for SPI slave divice
// SIMULATION SUCCEED DSN IN My Doc PLATFORM FOLDER
void main()
{
unsigned int buffer, gdata =0;
trisa=0b00100000;
trisc=0b00011000;
trisd=0b00000000;
trisb=0b00000000;
INTCON.GIE = 1;
SSPSTAT.SMP=0;
SSPSTAT.CKE=0;
//SSPCON.SSPOV=0;
SSPCON.SSPEN=1;
SSPCON.CKP=1;
SSPCON.SSPM3=0;
SSPCON.SSPM2=1;
SSPCON.SSPM1=0;
SSPCON.SSPM0=0;
//Spi_Init_Advanced(SLAVE_SS_ENABLE,DATA_SAMPLE_END,CLK_Idle_HIGH,LOW_2_HIGH);
while(1)
{
if(SSPSTAT.BF)
{
gdata=SSPBUF;
SSPCON.SSPOV=0;
}
// gdata=Spi_Read(0);
//if(gdata>103)
//{
portb=gdata;
//portb.f6=0;
//portb.f7=1;
//delay_ms(20);
//}
//else
//{
// portb.f6=1;
// portb.f7=0;
//delay_ms(20);
// }
}
}