max6955 connection how to?

Code C - [expand]
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
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
#include <main.h>
 
#define MAX6955BaseAddress 0b11000000 
  
#define reg_noOp 0x00 
#define reg_decodeMode 0x01 
#define reg_globalIntensity 0x02 
#define reg_scanLimit 0x03 
#define reg_configuration 0x04 
#define reg_displayTest 0x07 
#define reg_digitType 0x0C 
  
#define reg_intensity10 0x10 
#define reg_intensity32 0x11 
#define reg_intensity54 0x12 
#define reg_intensity76 0x13 
#define reg_intensity10a 0x14 
#define reg_intensity32a 0x15 
#define reg_intensity54a 0x16 
#define reg_intensity76a 0x17 
  
#define USE_GLOBAL 0x00 
#define USE_DISCRETE 0x40 
#define RUN 0x01 
#define SHUTDOWN 0x00 
  
#define reg_digit0 0x60 
#define reg_digit1 0x61 
#define reg_digit2 0x62 
#define reg_digit3 0x63 
#define reg_digit4 0x64 
#define reg_digit5 0x65 
#define reg_digit6 0x66 
#define reg_digit7 0x67 
#define reg_digit0a 0x68 
#define reg_digit1a 0x69 
#define reg_digit2a 0x6A 
#define reg_digit3a 0x6B 
#define reg_digit4a 0x6C 
#define reg_digit5a 0x6D 
#define reg_digit6a 0x6E 
#define reg_digit7a 0x6F 
  
void writeMAX6955(int8, int8, int8); 
void initMAX6955(int8); 
  
void writeMAX6955(int8 driver, int8 command, int8 data) 
{ 
   i2c_start(); 
   i2c_write(MAX6955BaseAddress + (driver<<1)); 
   i2c_write(command); 
   i2c_write(data); 
   i2c_stop(); 
} 
  
void initMAX6955(int8 driver) 
{ 
   writeMAX6955(driver, reg_decodeMode, 0x00); 
   writeMAX6955(driver, reg_scanLimit, 0x07); 
   writeMAX6955(driver, reg_configuration, (RUN|USE_DISCRETE)); 
   writeMAX6955(driver, reg_globalIntensity, 0x0F); 
   writeMAX6955(driver, reg_digitType, 0x00); 
   writeMAX6955(driver, reg_displayTest, 0x01); 
   delay_ms(1000); 
   writeMAX6955(driver, reg_displayTest, 0x00);
   writeMAX6955(driver, 0x04, 0x01);
} 
 
void main(){
 
   initMAX6955(0);
      
   while(1){
         writeMAX6955(0, 0x20, 0x4D);
         writeMAX6955(0, 0x21, 0x41);
         writeMAX6955(0, 0x22, 0x58);
         writeMAX6955(0, 0x23, 0x49);
         writeMAX6955(0, 0x24, 0x4D);
         writeMAX6955(0, 0x25, 0x2D);
         writeMAX6955(0, 0x26, 0x49);
         writeMAX6955(0, 0x27, 0x43);
        
   }
}

Code C - [expand]
1
2
3
4
5
6
7
8
9
10
11
12
#include <16F877A.h>
#device *=16
#device adc=16
 
#FUSES NOWDT                    //No Watch Dog Timer
#FUSES HS                       //High speed Osc (> 4mhz for PCM/PCH) (>10mhz for PCD)
#FUSES NOBROWNOUT               //No brownout reset
 
#use delay(clock=8000000)
 
#use STANDARD_IO( A,B,C,D,E )
#use i2c(Master,Fast,sda=PIN_C4,scl=PIN_C3,force_hw)