blob: cfbb84639b576845e1dc5277ac353a128082bd24 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
|
/************** Ansteuerung des 7-Segment-Treibers MAX7219 **************/
#define BRIGHT 4 // 0 ... 15
// Definitionen
// 1. Display type
#define COMMON_CATHODE
//#define COMMON_ANODE // not implemented
// 2. Pin-Deklaration
//sbit DISCLK = 0x97; //BIT P1.7
//sbit DISDAT = 0x95; //BIT P1.5
//sbit DISSTB = 0x94; //BIT P1.4
// 3. Segment-Order
#define _A 0x01 // - A -
#define _B 0x40 // | |
#define _C 0x02 // F B
#define _D 0x80 // | |
#define _E 0x08 // - G -
#define _F 0x04 // | |
#define _G 0x10 // E C
#define _DP 0x20 // | |
// - D - P
#define DPBIT 7
// 4. Digit-Order
#define DIGITS 8, 128, 4, 16, 1, 32, 2, 64
#define CHAR_SPACE 16
#define CHAR_MINUS 17
#define CHAR_GRAD 18
#define CHAR_C2 19
#define CHAR_R 20
#define CHAR_O 21
#define CHAR_H 22
#define CHAR_L 23
#define CHAR__ 24
#define CHAR_S1 25 // upper "-"
#define ATTRIB_DP 0x80 // decimal point attribute, must be ored
#define ATTRIB_FLASH 0x40 // flash attribute, must be ored
void display_init(void);
void display_out(void);
void display_clear(void);
void display_off(void);
extern u8 displaymem[];
|
