kopia lustrzana https://github.com/Hamlib/Hamlib
148 wiersze
3.4 KiB
C++
148 wiersze
3.4 KiB
C++
/*
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* Hamlib Microtune backend - main file
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* Copyright (c) 2003 by Stephane Fillod
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*
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* $Id: microtune.cc,v 1.1 2003-01-29 23:06:30 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 published by
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* the Free Software Foundation; either version 2, or (at your option)
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* 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 License
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* along with this software; see the file COPYING. If not, write to
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* the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, 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 <hamlib/rig.h>
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#include "microtune.h"
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#include "microtune_eval_board.h"
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#include <stdlib.h>
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/*
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* TODO: allow these to be modifiable through rig_set_conf
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int i2c_addr;
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int reference_divider;
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bool fast_tuning_p; if set, higher charge pump current:
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faster tuning, worse phase noise
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for distance < 10kHz to the carrier
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*/
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#define M4937_I2C_ADDR (0xC2/2)
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#define REF_DIVIDER 640
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#define FAST_TUNING false
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struct module_4937_priv_data {
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microtune_eval_board *board;
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freq_t actual_freq;
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};
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/*
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* TODO:
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* - status iff PLL is locked
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* - returns the output frequency of the tuner in Hz (->5.75e6) //3x7702.
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*/
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int module_4937_init(RIG *rig)
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{
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struct module_4937_priv_data *priv;
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int which = 1; // the parallel port the board is connected to
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priv = (struct module_4937_priv_data*)malloc(sizeof(struct module_4937_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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priv->actual_freq = RIG_FREQ_NONE;
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rig_debug(RIG_DEBUG_TRACE, "microtune: if the program segfaults here,"
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" you require ioperm privilege. Use givelp1.\n");
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priv->board = new microtune_eval_board(which);
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if (!priv->board) {
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free(priv);
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return -RIG_ENOMEM;
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}
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rig_debug(RIG_DEBUG_TRACE, "microtune: ioperm okay. "
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"parallel port access granted.\n");
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rig->state.priv = (void*)priv;
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return RIG_OK;
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}
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int module_4937_open(RIG *rig)
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{
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struct module_4937_priv_data *priv = (struct module_4937_priv_data *)rig->state.priv;
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if (!priv->board->board_present_p()) {
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rig_debug(RIG_DEBUG_WARN, "microtune: eval board is NOT present\n");
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return -RIG_EPROTO;
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}
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return RIG_OK;
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}
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int module_4937_close(RIG *rig)
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{
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/* place holder.. */
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return RIG_OK;
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}
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int module_4937_cleanup(RIG *rig)
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{
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struct module_4937_priv_data *priv = (struct module_4937_priv_data *)rig->state.priv;
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if (priv) {
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delete priv->board;
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free(priv);
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}
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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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* It takes about 100 ms for the PLL to settle.
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*/
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int module_4937_set_freq(RIG *rig, vfo_t vfo, freq_t freq)
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{
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double actual_freq;
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bool status;
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struct module_4937_priv_data *priv = (struct module_4937_priv_data *)rig->state.priv;
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status = priv->board->set_RF_freq((double)freq, &actual_freq);
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if (!status)
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return -RIG_EIO;
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priv->actual_freq = (freq_t)actual_freq;
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return RIG_OK;
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}
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int module_4937_get_freq(RIG *rig, vfo_t vfo, freq_t *freq)
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{
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struct module_4937_priv_data *priv = (struct module_4937_priv_data *)rig->state.priv;
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*freq = priv->actual_freq;
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return RIG_OK;
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}
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