59 lines
2.2 KiB
C

/*
* This file is part of the canonmanage project.
* Copyright 2022 Edward V. Emelianov <edward.emelianoff@gmail.com>.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* 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/>.
*/
#pragma once
#include <stm32f1.h>
// all data sent in big-endian format
// max length of commands
#define MAXCMDLEN (32)
// answer for cmd "POLL"
#define CANON_POLLANS (0xaa)
typedef enum{
CANON_LONGID = 0x00, // long ID ???
CANON_ID = 0x01, // lens ID and other info ???
CANON_REPDIA = 0x02, // repeat last diaphragm change
CANON_FSTOP = 0x04, // stop focus changing
CANON_FMAX = 0x05, // set Foc to max
CANON_FMIN = 0x06, // =//= min
CANON_POWERON = 0x07, // turn on motors' power
CANON_POWEROFF = 0x08, // turn off power
CANON_POLL = 0x0a, // bysu poll (ans 0xaa when ready or last command code)
CANON_DIAPHRAGM = 0x13, // open/close diaphragm by given (int8_t) value of steps
CANON_FOCMOVE = 0x44, // move focus dial by given amount of steps (int16)
CANON_FOCBYHANDS= 0x5e, // turn on focus move by hands (to turn off send 4,5 or 6)
CANON_GETINFO = 0x80, // get information
CANON_GETREG = 0x90, // get regulators' state
CANON_GETMODEL = 0xa0, // get lens (e.g. 200 == LX200)
CANON_GETDIAL = 0xc0, // get focus dial position in steps
CANON_GETFOCM = 0xc2, // get focus position in meters (not for all lenses)
} canon_commands;
void canon_init();
void canon_proc();
int canon_diaphragm(char command);
int canon_focus(int16_t val);
int canon_sendcmd(uint8_t cmd);
int canon_asku16(uint8_t cmd);
void canon_setlastcmd(uint8_t x);
int canon_getinfo();