pic18f24j50-xc8-template.c

/////////////////////////////////////////////////////////////////////////////////

// PIC18F24J50 Configuration Bit Settings

// 'C' source line config statements

#include <xc.h>

// #pragma config statements should precede project file includes.
// Use project enums instead of #define for ON and OFF.

// CONFIG1L
#pragma config WDTEN = OFF       // Watchdog Timer (Enabled)
#pragma config PLLDIV = 1       // PLL Prescaler Selection bits (No prescale (4 MHz oscillator input drives PLL directly))
#pragma config STVREN = ON      // Stack Overflow/Underflow Reset  (Enabled)
#pragma config XINST = OFF       // Extended Instruction Set (Enabled)

// CONFIG1H
#pragma config CPUDIV = OSC1    // CPU System Clock Postscaler (No CPU system clock divide)
#pragma config CP0 = OFF        // Code Protect (Program memory is not code-protected)

// CONFIG2L
#pragma config OSC = HS         // Oscillator (HS, USB-HS)
#pragma config T1DIG = ON       // T1OSCEN Enforcement (Secondary Oscillator clock source may be selected)
#pragma config LPT1OSC = OFF    // Low-Power Timer1 Oscillator (High-power operation)
#pragma config FCMEN = ON       // Fail-Safe Clock Monitor (Enabled)
#pragma config IESO = ON        // Internal External Oscillator Switch Over Mode (Enabled)

// CONFIG2H
#pragma config WDTPS = 32768    // Watchdog Postscaler (1:32768)

// CONFIG3L
#pragma config DSWDTOSC = INTOSCREF// DSWDT Clock Select (DSWDT uses INTRC)
#pragma config RTCOSC = T1OSCREF// RTCC Clock Select (RTCC uses T1OSC/T1CKI)
#pragma config DSBOREN = ON     // Deep Sleep BOR (Enabled)
#pragma config DSWDTEN = ON     // Deep Sleep Watchdog Timer (Enabled)
#pragma config DSWDTPS = G2     // Deep Sleep Watchdog Postscaler (1:2,147,483,648 (25.7 days))

// CONFIG3H
#pragma config IOL1WAY = ON     // IOLOCK One-Way Set Enable bit (The IOLOCK bit (PPSCON<0>) can be set once)
#pragma config MSSP7B_EN = MSK7 // MSSP address masking (7 Bit address masking mode)

// CONFIG4L
#pragma config WPFP = PAGE_15   // Write/Erase Protect Page Start/End Location (Write Protect Program Flash Page 15)
#pragma config WPEND = PAGE_WPFP// Write/Erase Protect Region Select (valid when WPDIS = 0) (Page WPFP<5:0> through Configuration Words erase/write protected)
#pragma config WPCFG = OFF      // Write/Erase Protect Configuration Region (Configuration Words page not erase/write-protected)

// CONFIG4H
#pragma config WPDIS = OFF      // Write Protect Disable bit (WPFP<5:0>/WPEND region ignored)

/////////////////////////////////////////////////////////////////////////////////


#include <stdio.h>
#include <stdlib.h>


// crystal 20mhz capacitors 15pF
#define _XTAL_FREQ 20000000 
#define USE_AND_MASKS

//  Programming
//  DEBUG:   only work with debug tool attached
//  RELEASE: working standalone
//
//  OSC1,OSC2 - xtal 20mhz caps 15pF to VSS
//
//  Connect VDD to MCLR using 1N4148 Diode
//  MCLR - ---|<|-- 1N4148 --- VDD
//

   //SYNC = 0, BRGH = 1, BRG16 = 0, FOSC=20mhz
    //115200 = 113636 = -1.36% -> SPBRG=10
    /*
     *
     * using BusPirate to auto detect baudrate
    UART>(0)
 0.Macro menu
 1.Transparent bridge
 2.Live monitor
 3.Bridge with flow control
 4.Auto Baud Detection
UART>(4)
Waiting activity...
Calculated:     115942 bps
Estimated:      115200 bps
UART>
*/


//
void Delay1Second()
{
    int i;
    for(i=0;i<100;i++)
    {
         __delay_ms(10);
    }
}

char txt[10];



int main(int argc, char** argv) {

    TRISC6 = 0; //TX pin set as output
    TRISC7 = 1; //RX pin set as input
    unsigned char UART1Config = USART_TX_INT_OFF & USART_RX_INT_OFF & USART_ASYNCH_MODE & USART_EIGHT_BIT & USART_BRGH_HIGH ;
    unsigned char baud = 10;
    Open1USART(UART1Config,baud);
    
    TRISA0=0;
    int i=0;
    while(1) //infinite loop
    {
        //LED blink
       RA0 = (i%2);
       //
       sprintf(txt,"%d\r\n",i);
       puts1USART(txt);
       //
       Delay1Second();
       //
       i++;
    }
    return (EXIT_SUCCESS);
}