Seven segment display 4 digit For CSS Compiler




#include <16F877.h>
#device adc=8
#fuses NOWDT,HS, NOPUT, NOPROTECT, BROWNOUT, NOLVP, NOCPD, NOWRT, NODEBUG
#use delay(clock=4000000)
#define sw_up    pin_a0  // SWITCH UP
#define sw_down  pin_a1  // SWITCH DOWN
INT16    COUNT;
int8     A,B,C,D;
//int8    segment[10] ={ 0xc0,0xf9,0xa4,0xb0,0x99,0x92,0x82,0xf8,0x80,0x90};//common anode
int8  num[10] ={ 0x3F,0x06,0x5B,0x4F,0x66,0x6D,0x7D,0x27,0x7F,0x6F};//common cathode                         0    1    2    3    4    5    6    7    8      9         
//   0   1    2    3    4    5   6     7    8     9   
VOID HEX_BCD(INT16 VALUE);
void main(){
setup_adc_ports(NO_ANALOGS);
setup_adc(ADC_OFF);
setup_psp(PSP_DISABLED);
setup_spi(FALSE);
setup_timer_0(RTCC_INTERNAL|RTCC_DIV_1);
setup_timer_1(T1_DISABLED);
setup_timer_2(T2_DISABLED,0,1);
OUTPUT_LOW(PIN_C0);
OUTPUT_LOW(PIN_C1);
OUTPUT_LOW(PIN_C2);
OUTPUT_LOW(PIN_C3);        
COUNT=0; 
WHILE(true){
IF(!INPUT(SW_up)){IF(COUNT++>9999)COUNT=0;delay_ms(150);}
IF(!INPUT(SW_down)){IF(COUNT --<1)COUNT=9999;delay_ms(150);} 
HEX_BCD(COUNT);
OUTPUT_D(NUM[D]);   // nuoy
OUTPUT_HIGH(PIN_C0);
DELAY_MS(5);
OUTPUT_LOW(PIN_C0);
OUTPUT_D(NUM[C]);   // sib        
OUTPUT_HIGH(PIN_C1);
DELAY_MS(5);
OUTPUT_LOW(PIN_C1);
OUTPUT_D(NUM[B]);   // Roy        
OUTPUT_HIGH(PIN_C2);
DELAY_MS(5);
OUTPUT_LOW(PIN_C2);
OUTPUT_D(NUM[A]);   // PHUN        
OUTPUT_HIGH(PIN_C3);
DELAY_MS(5);
OUTPUT_LOW(PIN_C3);                
DELAY_MS(100);
}        
}
void HEX_BCD(INT16 VALUE){
A=0;B=0;C=0;D=0;
while(value>=1000){A++;value-=1000;}
while(value>=100){B++;value-=100;}
while(value>=10){C++;value-=10;}
D=value;
}

 




Current Project / Post can also be found using:

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