【MBC-08】PICでつくる息で吹き消せるLED

/*

 * File:   blow-out-led-12f1822.c

 * Author: kaimu

 *

 * Created on 2013/04/13, 16:15

 */

#include <xc.h>

#define led()       ( RA4 ^= 1 )

#define led_on()    ( RA4 = 0 )

#define led_off()    ( RA4 = 1 )

#define buz()       ( RA1 ^= 1 )

__CONFIG(

        FOSC_INTOSC & WDTE_OFF & PWRTE_ON & MCLRE_OFF & CP_OFF

        & CPD_OFF & BOREN_ON & CLKOUTEN_OFF & IESO_OFF & FCMEN_OFF

);

//__CONFIG(PLLEN_OFF & STVREN_ON & WRT_OFF & BORV_HI & LVP_OFF); // VDD High

__CONFIG(PLLEN_OFF & STVREN_ON & WRT_OFF & BORV_LO & LVP_OFF); // VDD LOW

#define ON  1

#define OFF 0

volatile char FLAG_LIGHT = OFF;

void wait(volatile unsigned long t)

// Delay

{

}

unsigned char adc(void)

{

    unsigned char d;

    //ADC

    wait(10);

    GO_nDONE = 1;

    while (GO_nDONE);

    d = ADRESH;

    return d;

}

volatile unsigned int T0COUNTER = 0; // Counter for Timer0 Interrupt

void interrupt intr(void) {

    if (T0IF) {

        // Timer 0 Interrupt

        T0IF = 0; // Clear Timer0 interrupt flag

        T0COUNTER++;

    }

}

void main(void)

{

    volatile unsigned long i, j;

    unsigned char d;

    //Initialization

    OSCCON = 0b01101010; // PLL disable, 4MHz internal clock

    //OSCCON = 0b00111010; // PLL disable, 500kHz internal clock

    ANSELA = 0b00000010;         //RA1 Analog port, others digital port

    ADCON0 = 0b00000101;    //0:unimp, 000001:AN1, 0:GOnDone, 1:ADC enable

    ADCON1 = 0b01000000;    //0:Left jutified (8bit res.), 100:Fosc/4 ,0:Reserved, 00:AVDD=VREF

    CM1CON0 = 0x00;     //Comparator disable

    // Timer0 Settings

    //OPTION_REG = 0xc7; // Prescaler 1:256, Intterupt on rising edge

    OPTION_REG = 0xc3; // Prescaler 1:16, Intterupt on rising edge

    //OPTION_REG = 0xc1; // Prescaler 1:4, Intterupt on rising edge

    //OPTION_REG = 0xc2; // Prescaler 1:8, Intterupt on rising edge

    TMR0 = 0x00;

    T0IE = 1; // Timer 0 interrupt enable

    GIE = 1; // General interrupt enable

    // Start up LED Blinking

    TRISA1 = 0; // RA1 Output mode

    for (i = 20; i > 0; i--) {

        for (j = 0; j <= 100; j++) { led(); buz();  wait(5); }

        for (j = 0; j < 100; j++) { wait(10); }

    }

    TRISA1 = 1; // RA1 Input mode

    led_on();

    FLAG_LIGHT = ON;

    while(1){

        d = adc();

        switch (FLAG_LIGHT) {

            case ON:

                if ( d > 3 ) {

                   TRISA1 = 0; // RA1 Output mode

                   for (i = d<<1 ; i > 0; i--) {

                         led();

                         for (j = 0; j <= 50; j++) { buz(); wait(40); }

                   }

                   led_off();

                   FLAG_LIGHT = OFF;

                   wait(10000);

                   TRISA1 = 1; // RA1 Input mode

                } else {

                    if (T0COUNTER < 0x80) {

                        led_on();

                    } else if (T0COUNTER < 0xff) {

                        led_off();

                    } else {

                        T0COUNTER = 0x00;

                    }

                }

                break;

            case OFF:

                if ( d > 8 ) {

                   TRISA1 = 0; // RA1 Output mode

                   for (i = d ; i > 0; i--) {

                         for (j = 0; j <= 50; j++) { buz(); led(); wait(10); }

                   }

                   TRISA1 = 1; // RA1 Input mode

                   led_on();

                   FLAG_LIGHT = ON;

                   wait(10000);

                } else {

                    led_off();

                }

                break;

        }

    }

}

/*

 * File:   blow-out-led-12f1822.c

 * Author: kaimunantai

 *

 * Created on 2012/11/27, 18:45

 */

#include <xc.h>

#define led()       ( RA4 ^= 1 )

#define led_on()    ( RA4 = 0 )

#define buz()       ( RA1 ^= 1 )

__CONFIG(

        FOSC_INTOSC & WDTE_OFF & PWRTE_ON & MCLRE_OFF & CP_OFF

        & CPD_OFF & BOREN_ON & CLKOUTEN_OFF & IESO_OFF & FCMEN_OFF

);

//__CONFIG(PLLEN_OFF & STVREN_ON & WRT_OFF & BORV_HI & LVP_OFF); // VDD High

__CONFIG(PLLEN_OFF & STVREN_ON & WRT_OFF & BORV_LO & LVP_OFF); // VDD LOW

void wait(volatile unsigned long t)

// Delay

{

}

unsigned char adc(void)

{

    unsigned char d;

    //ADC

    wait(10);

    GO_nDONE = 1;

    while (GO_nDONE);

    d = ADRESH;

    return d;

}

void main(void)

{

    volatile unsigned long i, j;

    unsigned char d;

    //Initialization

    OSCCON = 0b01101010; // PLL disable, 4MHz internal clock

    //OSCCON = 0b00111010; // PLL disable, 500kHz internal clock

    ANSELA = 0b00000010;         //RA1 Analog port, others digital port

    ADCON0 = 0b00000101;    //0:unimp, 000001:AN1, 0:GOnDone, 1:ADC enable

    ADCON1 = 0b01000000;    //0:Left jutified (8bit res.), 100:Fosc/4 ,0:Reserved, 00:AVDD=VREF

    CM1CON0 = 0x00;     //Comparator disable

    // Start up LED Blinking

    TRISA1 = 0; // RA1 Output mode

    for (i = 3; i > 0; i--) {

        for (j = 0; j <= 100; j++) { led(); buz();  wait(5); }

        for (j = 0; j < 100; j++) { wait(10); }

    }

    TRISA1 = 1; // RA1 Input mode

    led_on();

    while(1){

        d = adc();

        if ( d > 2 ) {

           TRISA1 = 0; // RA1 Output mode

           for (i = 3; i > 0; i--) {

                 for (j = 0; j <= 100; j++) { buz(); led(); wait(d); }

           }

            wait(10000);

            TRISA1 = 1; // RA1 Input mode

        }

    }

}