24 lines
648 B
C
24 lines
648 B
C
#include "Seg.h"
|
|
// 段选 0 1 2 3 4 5 6 7 8 9 灭
|
|
// - C H F P E A
|
|
unsigned char seg_dula[] = {0xc0, 0xf9, 0xa4, 0xb0, 0x99, 0x92, 0x82, 0xf8, 0x80, 0x90, 0xff,
|
|
0xbf, 0xc6, 0x89, 0x8e, 0x8c, 0x86, 0x88};
|
|
// 位选
|
|
unsigned char seg_wela[] = {0x01, 0x02, 0x04, 0x08, 0x10, 0x20, 0x40, 0x80};
|
|
|
|
void Seg_Disp(unsigned char wela, unsigned char dula, unsigned char point)
|
|
{
|
|
// 手动消抖
|
|
P0 = 0xff;
|
|
P2 = P2 & 0x1f | 0xe0;
|
|
|
|
P0 = seg_wela[wela];
|
|
P2 = P2 & 0x1f | 0xc0;
|
|
P2 &= 0x1f;
|
|
|
|
P0 = seg_dula[dula];
|
|
if (point)
|
|
P0 &= 0x7f; // 0111 1111打开小数点
|
|
P2 = P2 & 0x1f | 0xe0;
|
|
P2 &= 0x1f;
|
|
} |