kopia lustrzana https://github.com/Hamlib/Hamlib
77 wiersze
2.4 KiB
C
77 wiersze
2.4 KiB
C
/*
|
|
* hamlib - (C) Frank Singleton 2000 (vk3fcs@@ix.netcom.com)
|
|
* (C) Stephane Fillod 2000-2010
|
|
*
|
|
* ft747.h - (C) Frank Singleton 2000 (vk3fcs@@ix.netcom.com)
|
|
* This shared library provides an API for communicating
|
|
* via serial interface to an FT-747GX using the "CAT" interface
|
|
* box (FIF-232C) or similar (max232 + some capacitors :-)
|
|
*
|
|
*
|
|
* This library is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU Lesser General Public
|
|
* License as published by the Free Software Foundation; either
|
|
* version 2.1 of the License, or (at your option) any later version.
|
|
*
|
|
* This library 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
|
|
* Lesser General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Lesser General Public
|
|
* License along with this library; if not, write to the Free Software
|
|
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
|
|
*
|
|
*/
|
|
|
|
|
|
#ifndef _FT747_H
|
|
#define _FT747_H 1
|
|
|
|
/*
|
|
* According to manual, the UPDATE data length should be 345
|
|
* but some rigs are short by one byte.
|
|
*/
|
|
#define FT747_STATUS_UPDATE_DATA_LENGTH 344
|
|
|
|
#define FT747_PACING_DEFAULT_VALUE 0
|
|
#define FT747_WRITE_DELAY 5 /* manual say 50 ms, but it doesn't work though */
|
|
|
|
|
|
/* Sequential fast writes confuse my FT747 without this delay */
|
|
|
|
#define FT747_POST_WRITE_DELAY 5
|
|
|
|
|
|
/*
|
|
* 8N2 and 1 start bit = 11 bits at 4800 bps => effective byte rate = 1 byte in 2.2917 msec
|
|
* => 345 bytes in 790 msec
|
|
*
|
|
* delay for 1 byte = 2.2917 + (pace_interval * 5)
|
|
*
|
|
* pace_interval time to read 345 bytes
|
|
* ------------ ----------------------
|
|
*
|
|
* 0 790 msec
|
|
* 1 2515 msec
|
|
* 2 4240 msec
|
|
* 255 441 sec => 7 min 21 seconds
|
|
*
|
|
*/
|
|
|
|
|
|
|
|
/*
|
|
* The time the status block is cached (in millisec).
|
|
* This optimises the common case of doing eg. rig_get_freq() and
|
|
* rig_get_mode() in a row.
|
|
*
|
|
* The timeout is set to at least the time to transfer the block (790ms)
|
|
* plus post write delay, plus some margin, but less than 1 second,
|
|
* which may be typical polling period.
|
|
*/
|
|
#define FT747_CACHE_TIMEOUT 900
|
|
|
|
|
|
#endif /* _FT747_H */
|