kopia lustrzana https://github.com/Hamlib/Hamlib
356 wiersze
8.0 KiB
C
356 wiersze
8.0 KiB
C
/*
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* Hamlib KIT backend - Elektor DRM receiver description
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* Copyright (c) 2004-2005 by Stephane Fillod
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*
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* $Id: elektor304.c,v 1.6 2005-04-03 12:27:15 fillods Exp $
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*
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* This library is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of
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* the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*
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*/
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include <stdlib.h>
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#include <stdio.h>
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#include "hamlib/rig.h"
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#include "kit.h"
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#include "serial.h"
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#include "token.h"
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#define ELEKTOR304_MODES (RIG_MODE_AM)
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#define ELEKTOR304_FUNC (RIG_FUNC_NONE)
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#define ELEKTOR304_LEVEL_ALL (RIG_LEVEL_NONE)
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#define ELEKTOR304_PARM_ALL (RIG_PARM_NONE)
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#define ELEKTOR304_VFO (RIG_VFO_A)
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/* defaults */
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#define OSCFREQ MHz(50)
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#define IFMIXFREQ kHz(454.3)
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struct elektor304_priv_data {
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freq_t osc_freq;
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freq_t if_mix_freq;
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};
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#define TOK_OSCFREQ TOKEN_BACKEND(1)
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#define TOK_IFMIXFREQ TOKEN_BACKEND(2)
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static const struct confparams elektor304_cfg_params[] = {
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{ TOK_OSCFREQ, "osc_freq", "Oscillatorfreq", "Oscillator frequency in Hz",
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"50000000", RIG_CONF_NUMERIC, { .n = { 0, GHz(2), 1 } }
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},
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{ TOK_IFMIXFREQ, "if_mix_freq", "IF", "IF mixing frequency in Hz",
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"454300", RIG_CONF_NUMERIC, { .n = { 0, MHz(100), 1 } }
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},
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{ RIG_CONF_END, NULL, }
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};
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static int elektor304_init(RIG *rig);
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static int elektor304_cleanup(RIG *rig);
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static int elektor304_set_freq(RIG *rig, vfo_t vfo, freq_t freq);
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static int elektor304_set_conf(RIG *rig, token_t token, const char *val);
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static int elektor304_get_conf(RIG *rig, token_t token, char *val);
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/*
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* The Elektor DRM Receiver 3/04 COM interface is based on the Visual Basic
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* source code by Burkhard Kainka which can be downloaded from www.b-kainka.de
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* Linux support is based on a code written by Markus M<>rz:
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* http://mitglied.lycos.de/markusmaerz/drm
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* Linux support is available from DReaM project.
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*
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* The receiver is controlled via the TX, RTS and DTR pins of the serial port.
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*/
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const struct rig_caps elektor304_caps = {
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.rig_model = RIG_MODEL_ELEKTOR304,
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.model_name = "Elektor 3/04",
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.mfg_name = "Elektor",
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.version = "0.4",
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.copyright = "GPL",
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.status = RIG_STATUS_BETA,
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.rig_type = RIG_TYPE_TUNER,
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.ptt_type = RIG_PTT_NONE,
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.dcd_type = RIG_DCD_NONE,
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.port_type = RIG_PORT_SERIAL, /* bit banging */
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.serial_rate_min = 9600, /* don't care */
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.serial_rate_max = 9600,
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.serial_data_bits = 8,
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.serial_stop_bits = 1,
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.serial_parity = RIG_PARITY_NONE,
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.serial_handshake = RIG_HANDSHAKE_NONE,
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.write_delay = 0,
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.post_write_delay = 0,
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.timeout = 200,
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.retry = 0,
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.has_get_func = ELEKTOR304_FUNC,
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.has_set_func = ELEKTOR304_FUNC,
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.has_get_level = ELEKTOR304_LEVEL_ALL,
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.has_set_level = RIG_LEVEL_SET(ELEKTOR304_LEVEL_ALL),
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.has_get_parm = ELEKTOR304_PARM_ALL,
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.has_set_parm = RIG_PARM_SET(ELEKTOR304_PARM_ALL),
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.level_gran = {},
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.parm_gran = {},
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.ctcss_list = NULL,
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.dcs_list = NULL,
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.preamp = { RIG_DBLST_END },
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.attenuator = { RIG_DBLST_END },
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.max_rit = Hz(0),
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.max_xit = Hz(0),
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.max_ifshift = Hz(0),
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.targetable_vfo = 0,
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.transceive = RIG_TRN_OFF,
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.bank_qty = 0,
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.chan_desc_sz = 0,
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.chan_list = { RIG_CHAN_END },
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.rx_range_list1 = {
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{kHz(500),MHz(22),ELEKTOR304_MODES,-1,-1,ELEKTOR304_VFO}, /* TBC */
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RIG_FRNG_END,
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},
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.tx_range_list1 = { RIG_FRNG_END, },
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.rx_range_list2 = {
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{kHz(500),MHz(22),ELEKTOR304_MODES,-1,-1,ELEKTOR304_VFO},
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RIG_FRNG_END,
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},
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.tx_range_list2 = { RIG_FRNG_END, },
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.tuning_steps = {
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{ELEKTOR304_MODES,1},
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RIG_TS_END,
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},
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/* mode/filter list, remember: order matters! */
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.filters = {
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{ELEKTOR304_MODES, kHz(12)},
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RIG_FLT_END,
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},
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.cfgparams = elektor304_cfg_params,
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.rig_init = elektor304_init,
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.rig_cleanup = elektor304_cleanup,
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.set_conf = elektor304_set_conf,
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.get_conf = elektor304_get_conf,
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.set_freq = elektor304_set_freq,
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};
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int elektor304_init(RIG *rig)
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{
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struct elektor304_priv_data *priv;
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priv = (struct elektor304_priv_data*)malloc(sizeof(struct elektor304_priv_data));
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if (!priv) {
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/* whoops! memory shortage! */
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return -RIG_ENOMEM;
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}
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rig->state.priv = (void*)priv;
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priv->osc_freq = OSCFREQ;
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priv->if_mix_freq = IFMIXFREQ;
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return RIG_OK;
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}
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int elektor304_cleanup(RIG *rig)
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{
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if (!rig)
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return -RIG_EINVAL;
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if (rig->state.priv)
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free(rig->state.priv);
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rig->state.priv = NULL;
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return RIG_OK;
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}
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/*
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* Assumes rig!=NULL, rig->state.priv!=NULL
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*/
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int elektor304_set_conf(RIG *rig, token_t token, const char *val)
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{
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struct elektor304_priv_data *priv;
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priv = (struct elektor304_priv_data*)rig->state.priv;
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switch(token) {
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case TOK_OSCFREQ:
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sscanf(val, "%"SCNfreq, &priv->osc_freq);
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break;
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case TOK_IFMIXFREQ:
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sscanf(val, "%"SCNfreq, &priv->if_mix_freq);
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break;
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default:
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return -RIG_EINVAL;
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}
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return RIG_OK;
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}
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/*
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* assumes rig!=NULL,
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* Assumes rig!=NULL, rig->state.priv!=NULL
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* and val points to a buffer big enough to hold the conf value.
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*/
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int elektor304_get_conf(RIG *rig, token_t token, char *val)
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{
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struct elektor304_priv_data *priv;
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priv = (struct elektor304_priv_data*)rig->state.priv;
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switch(token) {
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case TOK_OSCFREQ:
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sprintf(val, "%"PRIfreq, priv->osc_freq);
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break;
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case TOK_IFMIXFREQ:
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sprintf(val, "%"PRIfreq, priv->if_mix_freq);
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break;
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default:
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return -RIG_EINVAL;
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}
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return RIG_OK;
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}
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#define AD_DELAY 4000
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/*
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* Introduce delay after changing the bit state
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* FIXME: This implementation may not work for very fast computers,
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* or smart compilers. However, nanosleep can have
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* granularity > 10ms!
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*/
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static int ad_delay(int m)
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{
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long j;
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for (j=0; j<=m; j++) {}
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return j;
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}
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static int ad_sdata(hamlib_port_t *port, int i)
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{
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int ret;
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ret = ser_set_rts(port, i);
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ad_delay(AD_DELAY);
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if (ret != RIG_OK)
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rig_debug(RIG_DEBUG_ERR, "%s: unable to set statusbits\n",
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__FUNCTION__);
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return ret;
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}
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static int ad_sclk(hamlib_port_t *port, int i)
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{
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int ret;
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ret = ser_set_brk(port, i);
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ad_delay(AD_DELAY);
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if (ret != RIG_OK)
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rig_debug(RIG_DEBUG_ERR, "%s: unable to set statusbits\n",
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__FUNCTION__);
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return ret;
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}
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static int ad_fsync(hamlib_port_t *port, int i)
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{
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int ret;
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ret = ser_set_dtr(port, i);
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ad_delay(AD_DELAY);
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if (ret != RIG_OK)
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rig_debug(RIG_DEBUG_ERR, "%s: unable to set statusbits\n",
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__FUNCTION__);
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return ret;
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}
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static int ad_write(hamlib_port_t *port, unsigned data)
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{
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unsigned mask=0x8000;
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int i;
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ad_sclk(port, 0); /* TXD 0 */
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ad_fsync(port, 1); /* DTR 1, CE */
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for (i=0; i<16; i++)
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{
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ad_sdata(port, data & mask ? 0 : 1); /* RTS 0 or 1 */
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ad_sclk(port, 1); /* TXD 1, clock */
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ad_sclk(port, 0); /* TXD 0 */
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mask >>= 1; /* Next bit for masking */
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}
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ad_fsync(port, 0); /* DTR 0 */
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return RIG_OK;
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}
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int elektor304_set_freq(RIG *rig, vfo_t vfo, freq_t freq)
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{
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unsigned long frg;
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unsigned fhl,fhh,fll,flh;
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struct elektor304_priv_data *priv;
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hamlib_port_t *port = &rig->state.rigport;
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priv = (struct elektor304_priv_data*)rig->state.priv;
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serial_flush(port);
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/* Initialization */
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ad_fsync(port, 0);
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ad_sdata(port, 0);
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ad_sclk(port, 0);
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/* all frequencies are in Hz */
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frg = (unsigned long)(((double)freq + priv->if_mix_freq) /
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priv->osc_freq * 4294967296.0);
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fll = frg & 0xff;
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flh = (frg>>8) & 0xff;
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fhl = (frg>>16)& 0xff;
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fhh = (frg>>24)& 0xff;
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rig_debug(RIG_DEBUG_VERBOSE, "%s: %lu=[%02x.%02x.%02x.%02x]\n",
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__FUNCTION__,frg,fll,flh,fhl,fhh);
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ad_write(port, 0xF800); /* Reset */
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ad_write(port, 0x3000|fll); /* 4 Bytes to FREQ0 */
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ad_write(port, 0x2100|flh);
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ad_write(port, 0x3200|fhl);
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ad_write(port, 0x2300|fhh);
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ad_write(port, 0x8000); /* Sync */
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ad_write(port, 0xC000); /* Reset end */
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return RIG_OK;
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}
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