gps_general.c

#include "gps_general.h"

#include <stdbool.h>
#include <xc.h>

void uart_init(void) {
    // Set Baud Rate Generator to generate baud rate of 9600
    // Bit 7 (BRGS) set to 1 to enable high speed BRG
    // Configure mode pins <3:0> 0000 sets the mode to 8 bit no parity
    U1CON0bits.BRGS = 1;
    U1CON0bits.MODE = 0;

    // _XTAL_FREQ / 9600 / 16 - 1
    U1BRGH = 0x4;
    U1BRGL = 0xE1;

    //Set RX1 to PORT C7
    U1RXPPS = 0b010111;

    //Set the ON bit
    // Bit7=ON, Bit3 = RXBIMD(Receive Break Interrupt Mode Select bit)
    U1CON1 = 0b10001000;
    //  Run on overflow
    U1CON2bits.RUNOVF = 1;
    //Set U1TXIE to enable interrupt
    PIE3bits.U1RXIE = 1;
    //Enable reception by setting RXEN
    U1CON0bits.RXEN = 1;
    //Configure RX pin at C7
    LATC7 = 1;
    ANSELC7 = 0;

    U1ERRIRbits.U1FERIF = 0;
    //End of UART connection setup
}

void led_init(void) {
    TRISB1 = 0;
    LED_1_OFF();

    TRISB2 = 0;
    LED_2_OFF();
}

void led_1_heartbeat(void) {
    if(LATB1)
        LED_1_OFF();
    else
        LED_1_ON();
}