C source
// CCS C UART example for PIC16F887 microcontroller
// http://ccspicc.blogspot.com/
// [email protected]
#include <16F887.h>
#fuses NOMCLR, INTRC_IO, NOBROWNOUT, NOLVP
#use delay(clock = 8MHz)
#use rs232(UART1, baud = 9600)
const char message[] = "PIC16F887 microcontroller UART example" ;
int8 i = 0, j;
void main(){
setup_oscillator(OSC_8MHZ); // Set internal oscillator to 8MHz
delay_ms(2000); // Wait 2 seconds
// Print text
printf("Hello world!");
// Print list of characters
printf("\n\r"); // Start new line
while(message[i] != '\0'){
putc(message[i]); // Write character
delay_ms(100); // Wait 100 ms
i++; // Increment i
}
// Print numbers
printf("\n\r"); // Start new line
for(i = 0; i < 21; i++){
printf("%u\n\r", i); // Print i and start new line
delay_ms(500);
}
// Receive and send data via UART
while(TRUE){
if(kbhit()){ // If a character available
j = getc(); // UART read
putc(j); // Send it back
}
}
}
After I build the circuit and burned the HEX file into the PIC16F887 using PICkit 3 programmer, I got a result as shown in this video (using CCS C Compiler IDE Serial Monitor tool):
Source : UART Example for PIC16F887 microcontroller using CCS PIC C compiler
