| | 1 | /* vim:ts=4 sts=4 et tw=80 |
| | 2 | * |
| | 3 | * fnordlicht firmware |
| | 4 | * |
| | 5 | * for additional information please |
| | 6 | * see http://lochraster.org/fnordlichtmini |
| | 7 | * |
| | 8 | * (c) by Alexander Neumann <alexander@bumpern.de> |
| | 9 | * |
| | 10 | * This program is free software: you can redistribute it and/or modify it |
| | 11 | * under the terms of the GNU General Public License version 3 as published by |
| | 12 | * the Free Software Foundation. |
| | 13 | * |
| | 14 | * This program is distributed in the hope that it will be useful, but WITHOUT |
| | 15 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| | 16 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for |
| | 17 | * more details. |
| | 18 | * |
| | 19 | * You should have received a copy of the GNU General Public License along with |
| | 20 | * this program. If not, see <http://www.gnu.org/licenses/>. |
| | 21 | */ |
| | 22 | |
| | 23 | #ifndef __STORAGE_H |
| | 24 | #define __STORAGE_H |
| | 25 | |
| | 26 | #include "color.h" |
| | 27 | #include "remote-proto.h" |
| | 28 | #include <avr/eeprom.h> |
| | 29 | #include <stdint.h> |
| | 30 | #include <stdbool.h> |
| | 31 | |
| | 32 | /* store a color configuration in EEPROM |
| | 33 | * size: 8 byte |
| | 34 | * |
| | 35 | * use union color_t here, check rgb_marker! */ |
| | 36 | struct storage_color_t |
| | 37 | { |
| | 38 | uint8_t step; |
| | 39 | uint8_t delay; |
| | 40 | uint16_t pause; |
| | 41 | union color_t color; |
| | 42 | }; |
| | 43 | |
| | 44 | #define EEPROM_MAGIC_BYTE 0x23 |
| | 45 | |
| | 46 | /* store the startup configuration in EEPROM |
| | 47 | * size: 14 bytes */ |
| | 48 | struct storage_config_t |
| | 49 | { |
| | 50 | /* magic byte, must match EEPROM_MAGIC_BYTE to mark a valid configuration */ |
| | 51 | uint8_t magic; |
| | 52 | /* initial node address to use at startup */ |
| | 53 | uint8_t startup_addr; |
| | 54 | /* startup parameters, defined in remote_proto.h, size: 12 bytes */ |
| | 55 | struct startup_parameters_t params; |
| | 56 | }; |
| | 57 | |
| | 58 | /* storage structure for EEPROM |
| | 59 | * size: 496 bytes |
| | 60 | * (means: 16 bytes left) */ |
| | 61 | struct storage_t |
| | 62 | { |
| | 63 | /* startup configuration, size: 14 bytes */ |
| | 64 | struct storage_config_t config; |
| | 65 | |
| | 66 | /* color storage, size: 60*8 == 480 bytes */ |
| | 67 | struct storage_color_t color[CONFIG_EEPROM_COLORS]; |
| | 68 | |
| | 69 | /* crc16 checksum over config and color[], size: 2 bytes */ |
| | 70 | uint16_t checksum; |
| | 71 | }; |
| | 72 | |
| | 73 | /* global structures */ |
| | 74 | extern struct storage_config_t startup_config; |
| | 75 | extern EEMEM struct storage_t eeprom_storage; |
| | 76 | |
| | 77 | /* initialize storage */ |
| | 78 | void storage_init(void); |
| | 79 | /* poll storage */ |
| | 80 | void storage_poll(void); |
| | 81 | |
| | 82 | /* save storage config cfg to eeprom */ |
| | 83 | void storage_save_config(void); |
| | 84 | /* load storage config cfg from eeprom */ |
| | 85 | void storage_load_config(void); |
| | 86 | |
| | 87 | void storage_save_color(uint8_t position, struct storage_color_t *color); |
| | 88 | void storage_load_color(uint8_t position, struct storage_color_t *color); |
| | 89 | |
| | 90 | /* return true if configuration has been loaded and is valid */ |
| | 91 | bool storage_valid_config(void); |
| | 92 | |
| | 93 | #endif |
projects / fnordlicht-mini / blame_incremental