50 lines
781 B
C
50 lines
781 B
C
#include <reg52.h>
|
|
#include "display.h"
|
|
#include "delay.h"
|
|
|
|
const unsigned char num_var[] = {0xc0, 0xf9, 0xa4, 0xb0, 0x99, 0x92, 0x82, 0xf8, 0x80, 0x90};
|
|
static unsigned char ge, ui, bd, qm, wj, uw;
|
|
|
|
void fresh_display()
|
|
{
|
|
P0 = 0xfe;
|
|
P2 = num_var[ge];
|
|
delay(1);
|
|
P2 = 0XFF;
|
|
|
|
P0 = 0xfd;
|
|
P2 = num_var[ui];
|
|
delay(1);
|
|
P2 = 0XFF;
|
|
|
|
P0 = 0xfb;
|
|
P2 = num_var[bd];
|
|
delay(1);
|
|
P2 = 0XFF;
|
|
|
|
P0 = 0xf7;
|
|
P2 = num_var[qm];
|
|
delay(1);
|
|
P2 = 0XFF;
|
|
|
|
P0 = 0xef;
|
|
P2 = num_var[wj];
|
|
delay(1);
|
|
P2 = 0XFF;
|
|
|
|
P0 = 0xdf;
|
|
P2 = num_var[uw];
|
|
delay(1);
|
|
P2 = 0XFF;
|
|
}
|
|
|
|
void set_display(unsigned char num)
|
|
|
|
{
|
|
uw = (num % 1000000) / 100000;
|
|
wj = (num % 100000) / 10000;
|
|
qm = (num % 10000) / 1000;
|
|
bd = (num % 1000) / 100;
|
|
ui = (num % 100) / 10;
|
|
ge = num % 10;
|
|
} |