use *right* magic value

[fnordlicht-mini] / firmware / common / remote-proto.h

/* vim:ts=4 sts=4 et tw=80
 *
 *         fnordlicht firmware
 *
 *    for additional information please
 *    see http://lochraster.org/fnordlichtmini
 *
 * (c) by Alexander Neumann <alexander@bumpern.de>
 *
 * This program is free software: you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 3 as published by
 * the Free Software Foundation.
 *
 * This program is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
 * more details.
 *
 * You should have received a copy of the GNU General Public License along with
 * this program.  If not, see <http://www.gnu.org/licenses/>.
 */

#ifndef __REMOTE_PROTO_COMMON
#define __REMOTE_PROTO_COMMON 1

#define REMOTE_MSG_LEN 15
#define REMOTE_SYNC_LEN 15

/* normal commands */
#define REMOTE_CMD_FADE_RGB         0x01
#define REMOTE_CMD_FADE_HSV         0x02
#define REMOTE_CMD_SAVE_RGB         0x03
#define REMOTE_CMD_SAVE_HSV         0x04
#define REMOTE_CMD_SAVE_CURRENT     0x05
#define REMOTE_CMD_CONFIG_OFFSETS   0x06
#define REMOTE_CMD_START_PROGRAM    0x07
#define REMOTE_CMD_STOP             0x08
#define REMOTE_CMD_MODIFY_CURRENT   0x09
#define REMOTE_CMD_PULL_INT         0x0A
#define REMOTE_CMD_CONFIG_STARTUP   0x0B
#define REMOTE_CMD_POWERDOWN        0x0C

#define REMOTE_CMD_RESYNC           0x1b

/* max mode for startup configuration is 1 */
#define REMOTE_STARTUP_MAX_MODE     1
/* maximum parameter size (for copy loop), size of structure storage_config_t,
 * minus 1 for startup_mode enum */
#define REMOTE_STARTUP_MAX_PARAMSIZE 11

/* bootloader commands */
#define REMOTE_CMD_BOOTLOADER       0x80
#define REMOTE_CMD_BOOT_CONFIG      0x81
#define REMOTE_CMD_BOOT_INIT        0x82
#define REMOTE_CMD_BOOT_DATA        0x83
#define REMOTE_CMD_CRC_CHECK        0x84
#define REMOTE_CMD_CRC_FLASH        0x85
#define REMOTE_CMD_FLASH            0x86
#define REMOTE_CMD_ENTER_APP        0x87

#define REMOTE_ADDR_BROADCAST 0xff

/* normal commands */
struct remote_msg_t
{
    uint8_t address;
    uint8_t cmd;
    uint8_t data[REMOTE_MSG_LEN-2];
};

/* bootloader commands */
#define BOOTLOADER_MAGIC_BYTE1 0x6b
#define BOOTLOADER_MAGIC_BYTE2 0x56
#define BOOTLOADER_MAGIC_BYTE3 0x27
#define BOOTLOADER_MAGIC_BYTE4 0xfc
struct remote_msg_bootloader_t
{
    uint8_t address;
    uint8_t cmd;
    uint8_t magic[4];
};

struct remote_msg_boot_config_t
{
    uint8_t address;
    uint8_t cmd;
    uint16_t start_address;
    uint8_t buffersize;
};

struct remote_msg_boot_data_t
{
    uint8_t address;
    uint8_t cmd;
    uint8_t data[REMOTE_MSG_LEN-2];
};

struct remote_msg_boot_crc_check_t
{
    uint8_t address;
    uint8_t cmd;
    uint16_t len;
    uint16_t checksum;
    uint8_t delay;
};

struct remote_msg_boot_crc_flash_t
{
    uint8_t address;
    uint8_t cmd;
    uint16_t start;
    uint16_t len;
    uint16_t checksum;
    uint8_t delay;
};

#endif