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| Rev | Author | Line No. | Line |
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| 331 | cascade | 1 | /**************************************************************************** |
| 728 | cascade | 2 | * Copyright (C) 2009-2010 by Claas Anders "CaScAdE" Rathje * |
| 331 | cascade | 3 | * admiralcascade@gmail.com * |
| 4 | * Project-URL: http://www.mylifesucks.de/oss/c-osd/ * |
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| 5 | * * |
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| 6 | * This program is free software; you can redistribute it and/or modify * |
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| 7 | * it under the terms of the GNU General Public License as published by * |
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| 8 | * the Free Software Foundation; either version 2 of the License. * |
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| 9 | * * |
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| 10 | * This program is distributed in the hope that it will be useful, * |
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| 11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of * |
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| 12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * |
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| 13 | * GNU General Public License for more details. * |
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| 14 | * * |
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| 15 | * You should have received a copy of the GNU General Public License * |
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| 16 | * along with this program; if not, write to the * |
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| 17 | * Free Software Foundation, Inc., * |
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| 18 | * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. * |
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| 19 | ****************************************************************************/ |
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| 20 | |||
| 762 | - | 21 | #ifndef _MAX7456_SOFTWARE_SPI_H |
| 22 | #define _MAX7456_SOFTWARE_SPI_H |
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| 23 | |||
| 24 | |||
| 331 | cascade | 25 | /* ########################################################################## |
| 26 | * Software SPI to communicate with MAX7456 |
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| 27 | * ##########################################################################*/ |
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| 28 | #define MAX_CS_HIGH PORTA |= (1 << PA1); |
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| 29 | #define MAX_CS_LOW PORTA &= ~(1 << PA1); |
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| 30 | #define MAX_SDIN_HIGH PORTA |= (1 << PA2); |
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| 31 | #define MAX_SDIN_LOW PORTA &= ~(1 << PA2); |
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| 32 | #define MAX_SCLK_HIGH PORTA |= (1 << PA3); |
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| 33 | #define MAX_SCLK_LOW PORTA &= ~(1 << PA3); |
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| 34 | #define MAX_RESET_HIGH PORTA |= (1 << PA5); |
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| 35 | #define MAX_RESET_LOW PORTA &= ~(1 << PA5); |
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| 36 | |||
| 37 | |||
| 38 | /* ########################################################################## |
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| 39 | * MAX7456 SPI & Display stuff |
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| 40 | * ##########################################################################*/ |
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| 41 | |||
| 42 | /** |
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| 43 | * Send a byte through SPI |
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| 44 | */ |
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| 45 | void spi_send(uint8_t); |
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| 46 | |||
| 47 | /** |
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| 48 | * Send <byte> to <address> of MAX7456 |
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| 49 | */ |
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| 50 | void spi_send_byte(uint8_t, uint8_t); |
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| 51 | |||
| 52 | /** |
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| 53 | * write a <character> to <address> of MAX7456 display memory |
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| 54 | */ |
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| 55 | void write_char(uint16_t, char); |
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| 56 | |||
| 57 | /** |
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| 58 | * write a character <attribute> to <address> of MAX7456 display memory |
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| 59 | */ |
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| 60 | void write_char_att(uint16_t, char); |
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| 61 | /** |
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| 62 | * write a <character> at <x>/<y> to MAX7456 display memory |
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| 63 | */ |
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| 64 | void write_char_xy(uint8_t, uint8_t, char); |
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| 65 | /** |
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| 66 | * write a character <attribute> at <x>/<y> to MAX7456 display memory |
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| 67 | */ |
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| 68 | void write_char_att_xy(uint8_t, uint8_t, char attribute); |
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| 69 | |||
| 70 | /** |
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| 404 | cascade | 71 | * clear display memory |
| 72 | * (also sets 8bit mode) |
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| 331 | cascade | 73 | */ |
| 74 | void clear(void); |
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| 75 | |||
| 76 | /** |
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| 77 | * write an ascii <character> to <address> of MAX7456 display memory |
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| 78 | */ |
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| 79 | void write_ascii_char(uint16_t, char); |
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| 80 | |||
| 81 | /** |
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| 82 | * write an ascii <string> at <x>/<y> to MAX7456 display memory |
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| 83 | */ |
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| 84 | void write_ascii_string(uint8_t, uint8_t, char*); |
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| 85 | |||
| 86 | /** |
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| 783 | - | 87 | * write an ascii <string> with lenght <len> at <x>/<y> to MAX7456 display memory |
| 88 | */ |
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| 89 | void write_ascii_string_len(uint8_t x, uint8_t y, char *string, uint8_t len); |
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| 90 | |||
| 91 | /** |
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| 346 | cascade | 92 | * write an ascii <string> from progmen at <x>/<y> to MAX7456 display memory |
| 93 | */ |
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| 489 | woggle | 94 | void write_ascii_string_pgm(uint8_t, uint8_t, const char*); |
| 346 | cascade | 95 | |
| 96 | /** |
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| 379 | cascade | 97 | * write an <string> from progmen at <x>/<y> downwards to MAX7456 display memory |
| 98 | */ |
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| 489 | woggle | 99 | void write_string_pgm_down(uint8_t, uint8_t, const char*, uint8_t); |
| 379 | cascade | 100 | |
| 101 | /** |
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| 519 | cascade | 102 | * Write a unsigned <number> at <x>/<y> to MAX7456 display memory |
| 103 | * <length> represents the length to rightbound the number |
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| 349 | cascade | 104 | * <pad> = 1 will cause blank spaced to be filled up with zeros e.g. 007 instead of 7 |
| 331 | cascade | 105 | */ |
| 349 | cascade | 106 | void write_ndigit_number_u(uint8_t, uint8_t, uint16_t, int16_t, uint8_t); |
| 331 | cascade | 107 | |
| 108 | /** |
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| 519 | cascade | 109 | * Write a signed <number> at <x>/<y> to MAX7456 display memory |
| 110 | * <length> represents the length to rightbound the number |
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| 349 | cascade | 111 | * <pad> = 1 will cause blank spaced to be filled up with zeros e.g. 007 instead of 7 |
| 331 | cascade | 112 | */ |
| 349 | cascade | 113 | void write_ndigit_number_s(uint8_t, uint8_t, int16_t, int16_t, uint8_t); |
| 331 | cascade | 114 | |
| 115 | /** |
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| 519 | cascade | 116 | * Write a unsigned <number> at <x>/<y> to MAX7456 display memory as /10th of value |
| 117 | * <length> represents the length to rightbound the number |
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| 118 | * <pad> = 1 will cause blank spaced to be filled up with zeros e.g. 007 instead of 7 |
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| 331 | cascade | 119 | */ |
| 349 | cascade | 120 | void write_ndigit_number_u_10th(uint8_t, uint8_t, uint16_t, int16_t, uint8_t); |
| 331 | cascade | 121 | |
| 122 | /** |
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| 519 | cascade | 123 | * Write a signed <number> at <x>/<y> to MAX7456 display memory as /10th of value |
| 124 | * <length> represents the length to rightbound the number |
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| 125 | * <pad> = 1 will cause blank spaced to be filled up with zeros e.g. 007 instead of 7 |
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| 331 | cascade | 126 | */ |
| 349 | cascade | 127 | void write_ndigit_number_s_10th(uint8_t, uint8_t, int16_t, int16_t, uint8_t); |
| 331 | cascade | 128 | |
| 129 | /** |
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| 130 | * write <seconds> as human readable time at <x>/<y> to MAX7456 display mem |
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| 131 | */ |
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| 132 | void write_time(uint8_t, uint8_t, uint16_t); |
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| 133 | |||
| 736 | cascade | 134 | #if (ALLCHARSDEBUG|(WRITECHARS != -1)) |
| 331 | cascade | 135 | /** |
| 136 | * for testing write all chars to screen |
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| 137 | */ |
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| 138 | void write_all_chars(); |
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| 139 | |||
| 140 | /** |
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| 141 | * let the MAX7456 learn a new character at <number> |
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| 142 | * with <data>. |
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| 143 | */ |
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| 144 | void learn_char(uint8_t, unsigned char*); |
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| 736 | cascade | 145 | #endif |
| 412 | cascade | 146 | |
| 147 | /** |
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| 148 | * wirte a <position> at <x>/<y> assuming it is a gps position for long-/latitude |
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| 149 | */ |
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| 150 | void write_gps_pos(uint8_t, uint8_t, int32_t); |
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| 762 | - | 151 | |
| 152 | #endif |