solarwind

#include <htc.h>
#include <stdio.h>

typedef unsigned char byte;

__CONFIG(MCLRDIS & LVPDIS & FCMDIS & BORDIS & PWRTDIS & WDTDIS & UNPROTECT & IESODIS & INTIO);
__CONFIG(BORV21);

#define _XTAL_FREQ 4000000

byte rx = 0x00;

void putch(unsigned char byte) {
    TXREG = byte;
    while(TRMT == 0); //Wait while sending
}

unsigned char getch() {
    while(RCIF == 0); //Wait while receiving
    return RCREG;
}

void wt() {
    byte b;
    for(b = 0; b < 30; b++)
        __delay_ms(100);
}

long int i = 0;

void main() {
    //All ports are output
    TRISA = 0x00;
    TRISB = 0x00;
    TRISC = 0b10000000; //RC7 is input for RX
    TRISE = 0x00;

    //Turn off analog input
    ANSEL = 0x00;
    ANSELH = 0x00;

    //Disable comparators
    C1ON = 0;
    C2ON = 0;

    //Disable A2D
    ADON = 0;

    //Disable CCP
    CCP1CON = 0x00;
    CCP2CON = 0x00;

    //Set up UART
    SPBRG = 0x19; //9600 bps
    TXSTA = 0b00100100;
    RCSTA = 0b10010000;

    _delay(250);

    rx = RCREG;
    rx = RCREG;
    rx = RCREG;

    wt();

    while(1) {
        printf("%li Hello, world!\n", i);
        __delay_ms(100);
        i++;
    }

    while(1) {
        putch(getch());
    }

}