#pragmaconfig WDT = OFF
#pragmaconfig OSC = HS
#pragmaconfig FCMEN = OFF
#pragmaconfig XINST = OFF
#include <xc.h>
#include<spi.h>
#include<delays.h>
#include <adc.h>
#include <stdlib.h>
#defineIODIRA_address 0x00
#defineIODIRB_address 0x01
#defineGPIOA_address 0x12
#defineGPIOB_address 0x13
#defineCS PORTAbits.RA2
#define_XTAL_FREQ 4000000
#defineLCD_clear 0b00000001
#defineLCD_cursor_off 0b00001111
#defineLCD_set 0b00111011
#defineLCD_entry 0b00000110
#definecoloana1_inc 128
#definecoloana2_inc 192
intvoltage=0;
intvoltage2=0;
floatvoltage1 =0.0;
intconversie=0;
unsigned charsir1[30],sir2[30];
voidGPIO_set(charaddress,charvalue)
{
CS=0;
WriteSPI1(0x40);
WriteSPI1(address);
WriteSPI1(value);
CS=1;
}
voidIODIR_set(charaddress,chardir)
{
CS=0;
WriteSPI1(0x40);
WriteSPI1(address) ;
WriteSPI1(dir);
CS=1;
}
voidLCD_cmd(charc)
{
GPIO_set(GPIOA_address,0x00);
__delay_ms(50);
GPIO_set(GPIOB_address,c);
__delay_ms(50);
GPIO_set(GPIOA_address,0x40);
__delay_ms(50);
GPIO_set(GPIOA_address,0x00);
__delay_ms(50);
}
voidLCD_init()
{
IODIR_set(IODIRA_address,0x00);
IODIR_set(IODIRB_address,0x00);
LCD_cmd(0b00111111);
LCD_cmd(0b00001111);
LCD_cmd(0b00000001);
LCD_cmd(0b00000110);
}
voidLCD_poz(intcoloana, intlinie)
{
if(coloana==1)
{
LCD_cmd(coloana1_inc+linie);
}
if(coloana==2)
{
LCD_cmd(coloana2_inc+linie);
}
voidLCD_out(unsigned charlitera)
{
GPIO_set(GPIOA_address,0x80);
__delay_ms(50);
GPIO_set(GPIOB_address,litera);
__delay_ms(50);
GPIO_set(GPIOA_address,0xc0);
__delay_ms(50);
GPIO_set(GPIOA_address,0x00);
__delay_ms(50);
}
voidLCD_out_text(unsigned char*s)
{
while(*s)
LCD_out(*s++);
}
voidmain()
{
LATD = 0x00;
TRISD = 0x00;
while(1){
for(inti=0;i<=20;i++)
__delay_ms(20);
TRISAbits.RA2=0;
CS=1;
OpenSPI1(SPI_FOSC_64,MODE_10,SMPEND);
OpenADC(ADC_FOSC_32 & ADC_RIGHT_JUST & ADC_12_TAD, ADC_CH0 &
ADC_REF_VDD_VSS & ADC_INT_OFF, 1);
ConvertADC();
while(BusyADC());
LATD=ReadADC();
voltage = (ReadADC()*5)/1024;
voltage1 = (ReadADC()*5.0)/1024;
voltage2=voltage1*100-voltage*100;
CloseADC();
itoa(sir1,voltage,10);
itoa(sir2,voltage2,10);
LCD_init();
LCD_poz(2,5);
LCD_out_text(sir1);
LCD_out('.');
LCD_out_text(sir2);
CloseSPI1();}}