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1 | /**************************************************************************** |
1 | /**************************************************************************** |
2 | * Copyright (C) 2009 by Claas Anders "CaScAdE" Rathje * |
2 | * Copyright (C) 2009 by Claas Anders "CaScAdE" Rathje * |
3 | * admiralcascade@gmail.com * |
3 | * admiralcascade@gmail.com * |
4 | * Project-URL: http://www.mylifesucks.de/oss/c-osd/ * |
4 | * Project-URL: http://www.mylifesucks.de/oss/c-osd/ * |
5 | * * |
5 | * * |
6 | * This program is free software; you can redistribute it and/or modify * |
6 | * This program is free software; you can redistribute it and/or modify * |
7 | * it under the terms of the GNU General Public License as published by * |
7 | * it under the terms of the GNU General Public License as published by * |
8 | * the Free Software Foundation; either version 2 of the License. * |
8 | * the Free Software Foundation; either version 2 of the License. * |
9 | * * |
9 | * * |
10 | * This program is distributed in the hope that it will be useful, * |
10 | * This program is distributed in the hope that it will be useful, * |
11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of * |
11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of * |
12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * |
12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * |
13 | * GNU General Public License for more details. * |
13 | * GNU General Public License for more details. * |
14 | * * |
14 | * * |
15 | * You should have received a copy of the GNU General Public License * |
15 | * You should have received a copy of the GNU General Public License * |
16 | * along with this program; if not, write to the * |
16 | * along with this program; if not, write to the * |
17 | * Free Software Foundation, Inc., * |
17 | * Free Software Foundation, Inc., * |
18 | * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. * |
18 | * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. * |
19 | ****************************************************************************/ |
19 | ****************************************************************************/ |
20 | 20 | ||
21 | /* ########################################################################## |
21 | /* ########################################################################## |
22 | * Software SPI to communicate with MAX7456 |
22 | * Software SPI to communicate with MAX7456 |
23 | * ##########################################################################*/ |
23 | * ##########################################################################*/ |
24 | #define MAX_CS_HIGH PORTA |= (1 << PA1); |
24 | #define MAX_CS_HIGH PORTA |= (1 << PA1); |
25 | #define MAX_CS_LOW PORTA &= ~(1 << PA1); |
25 | #define MAX_CS_LOW PORTA &= ~(1 << PA1); |
26 | #define MAX_SDIN_HIGH PORTA |= (1 << PA2); |
26 | #define MAX_SDIN_HIGH PORTA |= (1 << PA2); |
27 | #define MAX_SDIN_LOW PORTA &= ~(1 << PA2); |
27 | #define MAX_SDIN_LOW PORTA &= ~(1 << PA2); |
28 | #define MAX_SCLK_HIGH PORTA |= (1 << PA3); |
28 | #define MAX_SCLK_HIGH PORTA |= (1 << PA3); |
29 | #define MAX_SCLK_LOW PORTA &= ~(1 << PA3); |
29 | #define MAX_SCLK_LOW PORTA &= ~(1 << PA3); |
30 | #define MAX_RESET_HIGH PORTA |= (1 << PA5); |
30 | #define MAX_RESET_HIGH PORTA |= (1 << PA5); |
31 | #define MAX_RESET_LOW PORTA &= ~(1 << PA5); |
31 | #define MAX_RESET_LOW PORTA &= ~(1 << PA5); |
32 | 32 | ||
33 | 33 | ||
34 | /* ########################################################################## |
34 | /* ########################################################################## |
35 | * MAX7456 SPI & Display stuff |
35 | * MAX7456 SPI & Display stuff |
36 | * ##########################################################################*/ |
36 | * ##########################################################################*/ |
37 | 37 | ||
38 | /** |
38 | /** |
39 | * Send a byte through SPI |
39 | * Send a byte through SPI |
40 | */ |
40 | */ |
41 | void spi_send(uint8_t); |
41 | void spi_send(uint8_t); |
42 | 42 | ||
43 | /** |
43 | /** |
44 | * Send <byte> to <address> of MAX7456 |
44 | * Send <byte> to <address> of MAX7456 |
45 | */ |
45 | */ |
46 | void spi_send_byte(uint8_t, uint8_t); |
46 | void spi_send_byte(uint8_t, uint8_t); |
47 | 47 | ||
48 | /** |
48 | /** |
49 | * write a <character> to <address> of MAX7456 display memory |
49 | * write a <character> to <address> of MAX7456 display memory |
50 | */ |
50 | */ |
51 | void write_char(uint16_t, char); |
51 | void write_char(uint16_t, char); |
52 | 52 | ||
53 | /** |
53 | /** |
54 | * write a character <attribute> to <address> of MAX7456 display memory |
54 | * write a character <attribute> to <address> of MAX7456 display memory |
55 | */ |
55 | */ |
56 | void write_char_att(uint16_t, char); |
56 | void write_char_att(uint16_t, char); |
57 | /** |
57 | /** |
58 | * write a <character> at <x>/<y> to MAX7456 display memory |
58 | * write a <character> at <x>/<y> to MAX7456 display memory |
59 | */ |
59 | */ |
60 | void write_char_xy(uint8_t, uint8_t, char); |
60 | void write_char_xy(uint8_t, uint8_t, char); |
61 | /** |
61 | /** |
62 | * write a character <attribute> at <x>/<y> to MAX7456 display memory |
62 | * write a character <attribute> at <x>/<y> to MAX7456 display memory |
63 | */ |
63 | */ |
64 | void write_char_att_xy(uint8_t, uint8_t, char attribute); |
64 | void write_char_att_xy(uint8_t, uint8_t, char attribute); |
65 | 65 | ||
66 | /** |
66 | /** |
67 | * clear display by writing blank characters all over it |
67 | * clear display by writing blank characters all over it |
68 | */ |
68 | */ |
69 | void clear(void); |
69 | void clear(void); |
70 | 70 | ||
71 | /** |
71 | /** |
72 | * write an ascii <character> to <address> of MAX7456 display memory |
72 | * write an ascii <character> to <address> of MAX7456 display memory |
73 | */ |
73 | */ |
74 | void write_ascii_char(uint16_t, char); |
74 | void write_ascii_char(uint16_t, char); |
75 | 75 | ||
76 | /** |
76 | /** |
77 | * write an ascii <string> at <x>/<y> to MAX7456 display memory |
77 | * write an ascii <string> at <x>/<y> to MAX7456 display memory |
78 | */ |
78 | */ |
79 | void write_ascii_string(uint8_t, uint8_t, char*); |
79 | void write_ascii_string(uint8_t, uint8_t, char*); |
80 | 80 | ||
81 | /** |
81 | /** |
- | 82 | * write an ascii <string> from progmen at <x>/<y> to MAX7456 display memory |
|
- | 83 | */ |
|
- | 84 | void write_ascii_string_pgm(uint8_t, uint8_t, char*); |
|
- | 85 | ||
- | 86 | /** |
|
82 | * Write only the last three digits of a <number> at <x>/<y> to MAX7456 |
87 | * Write only the last three digits of a <number> at <x>/<y> to MAX7456 |
83 | * display memory. takes full 16bit numbers as well for stuff |
88 | * display memory. takes full 16bit numbers as well for stuff |
84 | * like compass only taking three characters (values <= 999) |
89 | * like compass only taking three characters (values <= 999) |
85 | */ |
90 | */ |
86 | void write_3digit_number_u(uint8_t, uint8_t, uint16_t); |
91 | void write_3digit_number_u(uint8_t, uint8_t, uint16_t); |
87 | 92 | ||
88 | /** |
93 | /** |
89 | * Write only the last two digits of a number at <x>/<y> to MAX7456 |
94 | * Write only the last two digits of a number at <x>/<y> to MAX7456 |
90 | * display memory. takes full 16bit numbers as well for stuff |
95 | * display memory. takes full 16bit numbers as well for stuff |
91 | * like seconds only taking two characters (values <= 99) |
96 | * like seconds only taking two characters (values <= 99) |
92 | * Since this is used for seconds only and it looks better, there |
97 | * Since this is used for seconds only and it looks better, there |
93 | * is a trading 0 attached |
98 | * is a trading 0 attached |
94 | */ |
99 | */ |
95 | void write_2digit_number_u(uint8_t, uint8_t, uint16_t); |
100 | void write_2digit_number_u(uint8_t, uint8_t, uint16_t); |
96 | /** |
101 | /** |
97 | * write a unsigned number as /10th at <x>/<y> to MAX7456 display memory |
102 | * write a unsigned number as /10th at <x>/<y> to MAX7456 display memory |
98 | */ |
103 | */ |
99 | void write_number_u_10th(uint8_t, uint8_t, uint16_t); |
104 | void write_number_u_10th(uint8_t, uint8_t, uint16_t); |
100 | 105 | ||
101 | /** |
106 | /** |
102 | * write a unsigned number at <x>/<y> to MAX7456 display memory |
107 | * write a unsigned number at <x>/<y> to MAX7456 display memory |
103 | */ |
108 | */ |
104 | void write_number_u(uint8_t, uint8_t, uint16_t); |
109 | void write_number_u(uint8_t, uint8_t, uint16_t); |
105 | 110 | ||
106 | /** |
111 | /** |
107 | * write a signed number at <x>/<y> to MAX7456 display memory |
112 | * write a signed number at <x>/<y> to MAX7456 display memory |
108 | */ |
113 | */ |
109 | void write_number_s(uint8_t, uint8_t, int16_t); |
114 | void write_number_s(uint8_t, uint8_t, int16_t); |
110 | 115 | ||
111 | /** |
116 | /** |
112 | * write <seconds> as human readable time at <x>/<y> to MAX7456 display mem |
117 | * write <seconds> as human readable time at <x>/<y> to MAX7456 display mem |
113 | */ |
118 | */ |
114 | void write_time(uint8_t, uint8_t, uint16_t); |
119 | void write_time(uint8_t, uint8_t, uint16_t); |
115 | 120 | ||
116 | /** |
121 | /** |
117 | * for testing write all chars to screen |
122 | * for testing write all chars to screen |
118 | */ |
123 | */ |
119 | void write_all_chars(); |
124 | void write_all_chars(); |
120 | 125 | ||
121 | /** |
126 | /** |
122 | * let the MAX7456 learn a new character at <number> |
127 | * let the MAX7456 learn a new character at <number> |
123 | * with <data>. |
128 | * with <data>. |
124 | */ |
129 | */ |
125 | void learn_char(uint8_t, unsigned char*); |
130 | void learn_char(uint8_t, unsigned char*); |
126 | 131 |