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#include <16F877A.h>
#include <def_877a.h>
#device *=16 ADC=10
#use delay(clock=8000000)
#FUSES HS
#USE FAST_IO(D)
#USE FAST_IO(b)
#USE FAST_IO(c)
#bit rs = portb.5
#bit rw = portb.4
#bit en = portb.3
#bit tmr2on = 12.2
#byte tmr2 = 11
int8 i,j;
int16 adc1,adc2;
int16 x,y,u,f1,f2,df,T;
//--------------------------------------------------------
void lenh_lcd(int8 malenh)
{
portd=malenh;
rs=0;
rw=0;
en=1;
delay_us(5);
en=0;
delay_ms(3);
}
//--------------------------------------------------------
void data_lcd(unsigned char dulieu)
{
portd=dulieu;
rs=1;
rw=0;
en=1;
delay_us(5);
en=0;
delay_ms(3);
}
//--------------------------------------------------------
// do dien ap
void docap1()
{
set_adc_channel(0);
delay_us(10);
adc1 =read_adc();
DELAY_US(10);
}
void docap2()
{
set_adc_channel(1);
delay_us(10);
adc2 =read_adc();
DELAY_US(5);
}
//------------------------- cac chuong trinh ngat
#int_rb
void dolechpha()
{
if((RBIF)&&(RBIE))
{
if (!rb6)
{
// RBIF=0;
set_timer2(0);
setup_timer_2( T2_DIV_BY_1,255,1);
enable_interrupts(int_timer2);
//tmr2on=1;
x=0;
}
if (!rb7)
{
disable_interrupts(int_rb);
if(TMR1IF)
{
TMR1IF=0;
x++;
}
setup_timer_2(T2_disabled,255,1);
//TMR1ON=0;
T=x*256+get_timer2();//To^?ng so^' xung.
T=T*0.05 ;//Có the^? dùng làm tròn ?e^? ta(ng ?o^. chinh xác
x=0;
RBIF=0;
}
}
}
#int_timer2
void hesongat()
{
x++;
}
//---------------------------------------------------
void main()
{
set_tris_c(0x01);
set_tris_d(0x00);
set_tris_a(0xFF);
set_tris_b(0xc0);
f1=0;
f2=0;
x=0;
setup_timer_1(T1_EXTERNAL|T1_DIV_BY_1);
setup_timer_0(RTCC_EXT_L_TO_H|RTCC_DIV_1);
setup_timer_2( T2_DIV_BY_1,255,1);
enable_interrupts(GLOBAL);
enable_interrupts(int_timer2);
enable_interrupts(int_rb);
ext_int_edge(l_to_h);
lenh_lcd(0x38);
lenh_lcd(0x0e);
lenh_lcd(0x01);
lenh_lcd(0x06);
//---------------
lenh_lcd(0x80);
data_lcd("U1:");
lenh_lcd(0x88);
data_lcd("U2:");
delay_ms(1);
lenh_lcd(0xC0);
data_lcd("F1:");
delay_ms(1);
lenh_lcd(0xC8);
data_lcd("F2:");
delay_ms(1);
while(true)
{
disable_interrupts(int_rb);
//docap1();
//docap2();
set_timer1(0);
set_timer0(0);
delay_ms(1000);
F1=get_timer1();
f2=get_timer0();
//----------------------- hien thi TAN SO 1
f1=f1*100;
lenh_lcd(0xc3);
data_lcd(f1/1000+48);
delay_ms(1);
data_lcd((f1%1000)/100 + 48);
delay_ms(1);
lenh_lcd(0xc5);
data_lcd(",");
delay_ms(1);
data_lcd(((f1%1000)%100)/10 + 48);
delay_ms(1);
data_lcd(((f1%1000)%100)%10 + 48);
delay_ms(1);
//------------------------------hien TAN SO 2
enable_interrupts(int_rb);
f2=100*T;
lenh_lcd(0xcb);
data_lcd(f2/1000+48);
delay_ms(1);
data_lcd((f2%1000)/100 + 48);
delay_ms(1);
lenh_lcd(0xcd);
data_lcd(",");
delay_ms(1);
data_lcd(((f2%1000)%100)/10 + 48);
delay_ms(1);
data_lcd(((f2%1000)%100)%10 + 48);
delay_ms(1);
}
}
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