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PIC code for RX and TX

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Cheetos

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hello, i am new in using the USART library of PIC16F877A. i would just like to know if my PIC will be able to receive a data with this code. my all of pins in PORTB will turn on once i received a data. I have set i as the variable i needed. i need i be equal to 1 so that PORTB will turn on. if not equal to 1 then PORTB will turn off


void main(){
float i;
PORTB=0x00;
TRISB=0x00;
PORTC=0;
TRISC=0x03;


while(1){
Usart_Init(9600);

if(Usart_Data_Ready()){
i=Usart_Read();

if(i==1){
PORTB=0xFF;
}
if(i==0){
PORTB=0x00;
}
}

}

}
 

israel7732

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i will give you a much easier code.

---------- Post added at 13:59 ---------- Previous post was at 13:39 ----------

void main(){
char i; // usart data are char, not float
PORTB = 0x00;
TRISB = 0x00;
TRISC = 0xBF // only TX pin is made output on port C


while(1){
Usart_Init(9600);

if(Usart_Data_Ready()){
i=Usart_Read();

if(i==1) // PortB only comes up if the data received is 1 you can use the last code to check if any data is received
{
PORTB=0xFF;
}
if(i==0){
PORTB=0x00;
}
}

if (Usart_Data_Ready())
{
PORTB = 0xFF;
}

}

}
 

Cheetos

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oh i see, many thanks to you sir! :grin:
 

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