2 laba

// PIC18F4525 Configuration Bit Settings

// 'C' source line config statements

// CONFIG1H
#pragma config OSC = HSPLL      // Oscillator Selection bits (HS oscillator, PLL enabled (Clock Frequency = 4 x FOSC1))
#pragma config FCMEN = OFF      // Fail-Safe Clock Monitor Enable bit (Fail-Safe Clock Monitor disabled)
#pragma config IESO = OFF       // Internal/External Oscillator Switchover bit (Oscillator Switchover mode disabled)

// CONFIG2L
#pragma config PWRT = OFF       // Power-up Timer Enable bit (PWRT disabled)
#pragma config BOREN = ON       // Brown-out Reset Enable bits (Brown-out Reset enabled and controlled by software (SBOREN is enabled))
#pragma config BORV = 3         // Brown Out Reset Voltage bits (Minimum setting)

// CONFIG2H
#pragma config WDT = OFF        // Watchdog Timer Enable bit (WDT disabled (control is placed on the SWDTEN bit))
#pragma config WDTPS = 32768    // Watchdog Timer Postscale Select bits (1:32768)

// CONFIG3H
#pragma config CCP2MX = PORTC   // CCP2 MUX bit (CCP2 input/output is multiplexed with RC1)
#pragma config PBADEN = OFF     // PORTB A/D Enable bit (PORTB<4:0> pins are configured as digital I/O on Reset)
#pragma config LPT1OSC = OFF    // Low-Power Timer1 Oscillator Enable bit (Timer1 configured for higher power operation)
#pragma config MCLRE = ON       // MCLR Pin Enable bit (MCLR pin enabled; RE3 input pin disabled)

// CONFIG4L
#pragma config STVREN = ON      // Stack Full/Underflow Reset Enable bit (Stack full/underflow will cause Reset)
#pragma config LVP = OFF        // Single-Supply ICSP Enable bit (Single-Supply ICSP disabled)
#pragma config XINST = OFF      // Extended Instruction Set Enable bit (Instruction set extension and Indexed Addressing mode disabled (Legacy mode))

// CONFIG5L
#pragma config CP0 = OFF        // Code Protection bit (Block 0 (000800-003FFFh) not code-protected)
#pragma config CP1 = OFF        // Code Protection bit (Block 1 (004000-007FFFh) not code-protected)
#pragma config CP2 = OFF        // Code Protection bit (Block 2 (008000-00BFFFh) not code-protected)

// CONFIG5H
#pragma config CPB = OFF        // Boot Block Code Protection bit (Boot block (000000-0007FFh) not code-protected)
#pragma config CPD = OFF        // Data EEPROM Code Protection bit (Data EEPROM not code-protected)

// CONFIG6L
#pragma config WRT0 = OFF       // Write Protection bit (Block 0 (000800-003FFFh) not write-protected)
#pragma config WRT1 = OFF       // Write Protection bit (Block 1 (004000-007FFFh) not write-protected)
#pragma config WRT2 = OFF       // Write Protection bit (Block 2 (008000-00BFFFh) not write-protected)

// CONFIG6H
#pragma config WRTC = OFF       // Configuration Register Write Protection bit (Configuration registers (300000-3000FFh) not write-protected)
#pragma config WRTB = OFF       // Boot Block Write Protection bit (Boot Block (000000-0007FFh) not write-protected)
#pragma config WRTD = OFF       // Data EEPROM Write Protection bit (Data EEPROM not write-protected)

// CONFIG7L
#pragma config EBTR0 = OFF      // Table Read Protection bit (Block 0 (000800-003FFFh) not protected from table reads executed in other blocks)
#pragma config EBTR1 = OFF      // Table Read Protection bit (Block 1 (004000-007FFFh) not protected from table reads executed in other blocks)
#pragma config EBTR2 = OFF      // Table Read Protection bit (Block 2 (008000-00BFFFh) not protected from table reads executed in other blocks)

// CONFIG7H
#pragma config EBTRB = OFF      // Boot Block Table Read Protection bit (Boot Block (000000-0007FFh) not protected from table reads executed in other blocks)

#define lcd_clear() lcd_command(1)
#define lcd_origin() lcd_command(2)
#ifndef _XTAL_FREQ
#define _XTAL_FREQ 40000000
#endif
#define E_pulse_with 50 //???????????? ???????? ????????? LCD
#define LCD_E PORTDbits.RD3
#define LCD_RS PORTDbits.RD2
#define LCD_Data4 LATD // ????????????? D4-D7 LCD

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

unsigned char num;

void strreverse(char* begin, char* end) {

    char aux;
    while(end>begin)
        aux=*end, *end--=*begin, *begin++=aux;

}

void itoa(char* str, int value, int base)
{
    static char num[] = "0123456789abcdefghijklmnopqrstuvwxyz";
    char* wstr=str;
    int sign;
    div_t res;
    // Validate base
    if (base<2 || base>35)
    { *wstr='\0'; return; }
    // Take care of sign
    if ((sign=value) < 0) value = -value;
    // Conversion. Number is reversed.
    do {
        res = div(value,base);
        *wstr++ = num[res.rem];
    }while((value=res.quot));
    if(sign<0) *wstr++='-';

    *wstr='\0';
    // Reverse string
    strreverse(str,wstr-1);

}

void Adc_init()
{
TRISA|=0b00101111; //??????? ??????? RA0, RA1, RA2, RA3, RA5 ? ?????
                    //??????
TRISE|=0b00000111; //??????? ??????? RE0, RE1, RE2 ? ????? ??????
ADCON1bits.PCFG=0b0111; // ???????????? ???????-???????? ??????
ADCON1bits.VCFG=0b00; // ??????? ?????????? Vss Vdd
ADCON2bits.ACQT=0b111;// ????? ?????????????? 20 Tad
ADCON2bits.ADCS=0b110;// ??????? ?????????????? Fosc/64
ADCON2bits.ADFM=0;//????? ????????
ADCON0bits.ADON=1; // ?????? ??? ???????
}

int read_Adc(num)
{
ADCON0bits.CHS=num; // ????? ?????? ??????
ADCON0bits.GO_DONE=1; // ???????? ??????????????
while(ADCON0bits.GO_DONE==1);
return (ADRESH<<2)+(ADRESL>>6);//?????? ??????????
}


void lcd_clk(void) /*????????? ???????? ?? ???? EN*/
{
LCD_E = 1;
__delay_us(E_pulse_with);
LCD_E = 0;
__delay_us(E_pulse_with);
}

void lcd_command(unsigned char outbyte) //????????? ??????? (4-?????? ????? ??????)
{
LCD_RS=0; //????? ???????? ???????
LCD_Data4=(LCD_Data4&0x0f)|(outbyte&0xf0); // ???????? ??????? ??????? ???
lcd_clk();
LCD_Data4=(LCD_Data4&0x0f)|((outbyte<<4)&0xf0); // ???????? ??????? ??????? ???
lcd_clk();
__delay_ms(1);
}
void lcd_putc(char outbyte) /* ????????? ?????? (4-?????? ????????) */
{
LCD_RS=1; //????? ???????? ??????
LCD_Data4=(LCD_Data4&0x0f)|(outbyte&0xf0);
lcd_clk();
LCD_Data4=(LCD_Data4&0x0f)|((outbyte<<4)&0xf0);
lcd_clk();
}

void lcd_puts(unsigned char line,const char *p) // *????? ?????? ?? ?????*
{
lcd_origin(); // ??????? ? ???????? ?????? LCD
lcd_command(line); // ?????????? ????? LCD 00H
while(*p) // ?????????, ????? ?? ????????? 0
{
lcd_putc(*p); // ????????? ?????? ?? LCD
p++; // ????????? ????? ?? 1
}
}

void inttolcd(unsigned char posi, long value) //????? ?? ????? ???????? ??????????
{
    char buff[16];
    itoa(buff,value,10);
    lcd_puts(posi,buff);
}

void lcd_init() // ????????????? LCD-???????
{
TRISD &= 0x03;// ??????? ??????? RD4-RD7? ????? ???????
LCD_Data4 &= 0b00001111;//????????? ????? ?? ????? ???????? ??????
LCD_E=0;
LCD_RS=0;
__delay_ms(1);
/*????????????? ???????*/
LCD_Data4=(LCD_Data4&0x0f)|0x30;
lcd_clk();
__delay_ms(1);
LCD_Data4=(LCD_Data4&0x0f)|0x30;
lcd_clk();
__delay_ms(1);
LCD_Data4=(LCD_Data4&0x0f)|0x30;
lcd_clk();
__delay_ms(1);
/*---------------------------------*/
LCD_Data4=(LCD_Data4&0x0f)|0x20; // ??????????? ?? 4-?????? ????? ????????
lcd_clk();
__delay_ms(1);
lcd_command(0x28);//?????????? N=1, F=0 (??? ??????, ?????? ??????? 5*8 ?????
lcd_command(0x01); // ???????? ???
lcd_command(0x06); // ????????????? ??????????? ?????? ????? ?????
lcd_command(0x0C); // ??????? ???????, ??????? ???, ?? ???????
lcd_command(0x02); // ????????? ???????
lcd_command(0x01); // ???????? ??? ?????
}

unsigned char get_num(int res)
{


        if(res >=0 && res <= 146)
            num = 0;
        else if(res >=147 && res <= 293)
            num = 1;
        else if(res >=294 && res <= 440)
            num = 2;
        else if(res >=441 && res <= 587)
            num = 3;
        else if(res >=588 && res <= 734)
            num = 4;
        else if(res>=735 && res <= 881)
            num = 5;
        else if(res>=882 && res <= 1023)
            num = 6;

        return num;
}

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

    Adc_init();
    lcd_init();
    while(1)
    {
        get_num(read_Adc(7));
        lcd_clear();
        read_Adc(num);
        inttolcd(0x00, num);
        lcd_puts(0xA8, "Value ");
        inttolcd(0xC9, read_Adc(num)); // ???????? ?????
        __delay_ms(50);
        __delay_ms(50);

    }
    return (EXIT_SUCCESS);
}