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| Rev | Author | Line No. | Line |
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| 331 | cascade | 1 | /**************************************************************************** |
| 1437 | - | 2 | * Copyright (C) 2009-2012 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 | |||
| 1437 | - | 37 | /* ########################################################################## |
| 38 | * MAX7456 Register definitions |
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| 39 | * ##########################################################################*/ |
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| 331 | cascade | 40 | |
| 1437 | - | 41 | #define MAX7456_REG_READ_OFFSET 0x80 |
| 42 | |||
| 43 | #define MAX7456_VM0 0x00 |
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| 44 | #define MAX7456_VM1 0x01 |
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| 45 | #define MAX7456_HOS 0x02 |
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| 46 | #define MAX7456_VOS 0x03 |
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| 47 | #define MAX7456_DMM 0x04 |
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| 48 | #define MAX7456_DMAH 0x05 |
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| 49 | #define MAX7456_DMAL 0x06 |
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| 50 | #define MAX7456_DMDI 0x07 |
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| 51 | #define MAX7456_CMM 0x08 |
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| 52 | #define MAX7456_CMAH 0x09 |
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| 53 | #define MAX7456_CMAL 0x0A |
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| 54 | #define MAX7456_CMDI 0x0B |
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| 55 | #define MAX7456_OSDM 0x0C |
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| 56 | #define MAX7456_RB0 0x10 |
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| 57 | #define MAX7456_RB1 0x11 |
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| 58 | #define MAX7456_RB2 0x12 |
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| 59 | #define MAX7456_RB3 0x13 |
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| 60 | #define MAX7456_RB4 0x14 |
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| 61 | #define MAX7456_RB5 0x15 |
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| 62 | #define MAX7456_RB6 0x16 |
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| 63 | #define MAX7456_RB7 0x17 |
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| 64 | #define MAX7456_RB8 0x18 |
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| 65 | #define MAX7456_RB9 0x19 |
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| 66 | #define MAX7456_RB10 0x1A |
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| 67 | #define MAX7456_RB11 0x1B |
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| 68 | #define MAX7456_RB12 0x1C |
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| 69 | #define MAX7456_RB13 0x1D |
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| 70 | #define MAX7456_RB14 0x1E |
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| 71 | #define MAX7456_RB15 0x1F |
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| 72 | #define MAX7456_OSDBL 0x6C |
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| 73 | |||
| 74 | // READ-ONLY REGs |
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| 75 | |||
| 76 | #define MAX7456_STAT 0xA0 |
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| 77 | #define MAX7456_DMDO 0xB0 |
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| 78 | #define MAX7456_CMDO 0xC0 |
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| 79 | |||
| 80 | |||
| 331 | cascade | 81 | /* ########################################################################## |
| 82 | * MAX7456 SPI & Display stuff |
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| 83 | * ##########################################################################*/ |
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| 84 | |||
| 85 | /** |
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| 86 | * Send a byte through SPI |
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| 87 | */ |
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| 88 | void spi_send(uint8_t); |
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| 89 | |||
| 90 | /** |
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| 91 | * Send <byte> to <address> of MAX7456 |
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| 92 | */ |
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| 93 | void spi_send_byte(uint8_t, uint8_t); |
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| 94 | |||
| 95 | /** |
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| 96 | * write a <character> to <address> of MAX7456 display memory |
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| 97 | */ |
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| 98 | void write_char(uint16_t, char); |
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| 99 | |||
| 100 | /** |
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| 101 | * write a character <attribute> to <address> of MAX7456 display memory |
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| 102 | */ |
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| 103 | void write_char_att(uint16_t, char); |
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| 104 | /** |
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| 105 | * write a <character> at <x>/<y> to MAX7456 display memory |
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| 106 | */ |
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| 107 | void write_char_xy(uint8_t, uint8_t, char); |
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| 108 | /** |
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| 109 | * write a character <attribute> at <x>/<y> to MAX7456 display memory |
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| 110 | */ |
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| 111 | void write_char_att_xy(uint8_t, uint8_t, char attribute); |
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| 112 | |||
| 113 | /** |
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| 404 | cascade | 114 | * clear display memory |
| 115 | * (also sets 8bit mode) |
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| 331 | cascade | 116 | */ |
| 117 | void clear(void); |
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| 118 | |||
| 119 | /** |
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| 120 | * write an ascii <character> to <address> of MAX7456 display memory |
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| 121 | */ |
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| 122 | void write_ascii_char(uint16_t, char); |
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| 123 | |||
| 124 | /** |
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| 125 | * write an ascii <string> at <x>/<y> to MAX7456 display memory |
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| 126 | */ |
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| 127 | void write_ascii_string(uint8_t, uint8_t, char*); |
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| 128 | |||
| 129 | /** |
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| 783 | - | 130 | * write an ascii <string> with lenght <len> at <x>/<y> to MAX7456 display memory |
| 131 | */ |
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| 132 | void write_ascii_string_len(uint8_t x, uint8_t y, char *string, uint8_t len); |
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| 133 | |||
| 134 | /** |
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| 346 | cascade | 135 | * write an ascii <string> from progmen at <x>/<y> to MAX7456 display memory |
| 136 | */ |
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| 489 | woggle | 137 | void write_ascii_string_pgm(uint8_t, uint8_t, const char*); |
| 346 | cascade | 138 | |
| 139 | /** |
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| 379 | cascade | 140 | * write an <string> from progmen at <x>/<y> downwards to MAX7456 display memory |
| 141 | */ |
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| 489 | woggle | 142 | void write_string_pgm_down(uint8_t, uint8_t, const char*, uint8_t); |
| 379 | cascade | 143 | |
| 144 | /** |
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| 519 | cascade | 145 | * Write a unsigned <number> at <x>/<y> to MAX7456 display memory |
| 146 | * <length> represents the length to rightbound the number |
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| 349 | cascade | 147 | * <pad> = 1 will cause blank spaced to be filled up with zeros e.g. 007 instead of 7 |
| 331 | cascade | 148 | */ |
| 349 | cascade | 149 | void write_ndigit_number_u(uint8_t, uint8_t, uint16_t, int16_t, uint8_t); |
| 331 | cascade | 150 | |
| 151 | /** |
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| 519 | cascade | 152 | * Write a signed <number> at <x>/<y> to MAX7456 display memory |
| 153 | * <length> represents the length to rightbound the number |
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| 349 | cascade | 154 | * <pad> = 1 will cause blank spaced to be filled up with zeros e.g. 007 instead of 7 |
| 331 | cascade | 155 | */ |
| 349 | cascade | 156 | void write_ndigit_number_s(uint8_t, uint8_t, int16_t, int16_t, uint8_t); |
| 331 | cascade | 157 | |
| 158 | /** |
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| 519 | cascade | 159 | * Write a unsigned <number> at <x>/<y> to MAX7456 display memory as /10th of value |
| 160 | * <length> represents the length to rightbound the number |
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| 161 | * <pad> = 1 will cause blank spaced to be filled up with zeros e.g. 007 instead of 7 |
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| 331 | cascade | 162 | */ |
| 349 | cascade | 163 | void write_ndigit_number_u_10th(uint8_t, uint8_t, uint16_t, int16_t, uint8_t); |
| 331 | cascade | 164 | |
| 165 | /** |
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| 519 | cascade | 166 | * Write a signed <number> at <x>/<y> to MAX7456 display memory as /10th of value |
| 167 | * <length> represents the length to rightbound the number |
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| 168 | * <pad> = 1 will cause blank spaced to be filled up with zeros e.g. 007 instead of 7 |
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| 331 | cascade | 169 | */ |
| 349 | cascade | 170 | void write_ndigit_number_s_10th(uint8_t, uint8_t, int16_t, int16_t, uint8_t); |
| 331 | cascade | 171 | |
| 172 | /** |
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| 173 | * write <seconds> as human readable time at <x>/<y> to MAX7456 display mem |
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| 174 | */ |
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| 175 | void write_time(uint8_t, uint8_t, uint16_t); |
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| 176 | |||
| 736 | cascade | 177 | #if (ALLCHARSDEBUG|(WRITECHARS != -1)) |
| 331 | cascade | 178 | /** |
| 179 | * for testing write all chars to screen |
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| 180 | */ |
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| 181 | void write_all_chars(); |
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| 182 | |||
| 183 | /** |
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| 184 | * let the MAX7456 learn a new character at <number> |
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| 185 | * with <data>. |
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| 186 | */ |
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| 187 | void learn_char(uint8_t, unsigned char*); |
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| 736 | cascade | 188 | #endif |
| 412 | cascade | 189 | |
| 190 | /** |
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| 191 | * wirte a <position> at <x>/<y> assuming it is a gps position for long-/latitude |
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| 192 | */ |
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| 193 | void write_gps_pos(uint8_t, uint8_t, int32_t); |
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| 762 | - | 194 | |
| 195 | #endif |