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Trying to implement this !"#€%&/()= LCD module
1 | |
2 | #include <pic18.h> |
3 | #include <stdio.h> |
4 | |
5 | #include "delay.h" |
6 | #include "myi2c.h" |
7 | #include "barcode.h" |
8 | #include "globals.h" |
9 | #include "keyboard.h" |
10 | |
11 | |
12 | |
13 | #define USE_EXTERNAL_LCD |
14 | |
15 | #ifdef USE_EXTERNAL_LCD |
16 | #include "mylcd.h" |
17 | #else |
18 | #include "lcd.h" |
19 | #endif |
20 | |
21 | |
22 | /* |
23 | void i2c_init(void) |
24 | { |
25 | // I2C_MODULE hører hjemme i i2c.h |
26 | #ifdef I2C_MODULE |
27 | SSPMode(MASTER_MODE); |
28 | SSPEN = 1; //Synch. Serial Port Enable |
29 | CKP = 1; //SCL Release control bit |
30 | |
31 | //note to self : husk altid at justere Baud-rate generatoren så at det passer sammen med krystal-frekvensen |
32 | SSPADD = 0x0A; |
33 | #else |
34 | SCL_DIR = I2C_OUTPUT; |
35 | SDA_DIR = I2C_OUTPUT; |
36 | SDA = 0; |
37 | SCL = 0; |
38 | #endif |
39 | } |
40 | */ |
41 | |
42 | |
43 | |
44 | |
45 | |
46 | void main(void) |
47 | { |
48 | char key, key2; |
49 | char buffer[5]; |
50 | int i; |
51 | char x = 0; |
52 | char y = 'A'; |
53 | TRISB0= 0; |
54 | |
55 | InitI2C(); |
56 | barcode_init(); |
57 | |
58 | #ifdef USE_EXTERNAL_LCD |
59 | mylcd_init(); |
60 | #else |
61 | lcd_init(0); |
62 | #endif |
63 | |
64 | |
65 | |
66 | while (1) |
67 | {/* |
68 | if (barcode_is_ready()) |
69 | { |
70 | lcd_home(); |
71 | for (i=0; i<20; i++) |
72 | { |
73 | if (i<barcode_get_length()) |
74 | lcd_putch(global_barcode_buffer[i]); |
75 | else |
76 | lcd_putch(' '); |
77 | } |
78 | barcode_reset(); |
79 | } |
80 | |
81 | key = keyboard_read(); |
82 | |
83 | |
84 | lcd_goto(0x40); |
85 | |
86 | if (key ==0) |
87 | lcd_puts(" "); |
88 | else |
89 | { |
90 | key2 = key; |
91 | for (i=0;i<8;i++) |
92 | { |
93 | if (key & 0x80) |
94 | lcd_putch('1'); |
95 | else |
96 | lcd_putch('0'); |
97 | key <<= 1; |
98 | } |
99 | lcd_putch('_'); |
100 | lcd_putch(key2); |
101 | } |
102 | */ |
103 | |
104 | key = keyboard_read_safe(); |
105 | key = 'a'; //debug |
106 | if (key) |
107 | { |
108 | #ifdef USE_EXTERNAL_LCD |
109 | mylcd_putch(key); |
110 | #else |
111 | lcd_putch(key); |
112 | #endif |
113 | } |
114 | |
115 | |
116 | DelayMs(30); |
117 | |
118 | x++; |
119 | RB0 = x; |
120 | |
121 | |
122 | } |
123 | } |
124 |
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