/* * Hamlib KIT backend - DDS-60 description * Copyright (c) 2007 by Stephane Fillod * * * 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 * */ #include #include #include #include "hamlib/rig.h" #include "kit.h" #include "parallel.h" #include "token.h" #define DDS60_MODES (RIG_MODE_AM) #define DDS60_FUNC (RIG_FUNC_NONE) #define DDS60_LEVEL_ALL (RIG_LEVEL_NONE) #define DDS60_PARM_ALL (RIG_PARM_NONE) #define DDS60_VFO (RIG_VFO_A) /* defaults */ #define OSCFREQ MHz(30) #define IFMIXFREQ kHz(0) #define PHASE_INCR 11.25 struct dds60_priv_data { freq_t osc_freq; freq_t if_mix_freq; int multiplier; unsigned phase_step; /* as 11.25 deg steps */ }; #define TOK_OSCFREQ TOKEN_BACKEND(1) #define TOK_IFMIXFREQ TOKEN_BACKEND(2) #define TOK_MULTIPLIER TOKEN_BACKEND(3) #define TOK_PHASE_MOD TOKEN_BACKEND(4) static const struct confparams dds60_cfg_params[] = { { TOK_OSCFREQ, "osc_freq", "Oscillator freq", "Oscillator frequency in Hz", "30000000", RIG_CONF_NUMERIC, { .n = { 0, MHz(180), 1 } } }, { TOK_IFMIXFREQ, "if_mix_freq", "IF", "IF mixing frequency in Hz", "0", RIG_CONF_NUMERIC, { .n = { 0, MHz(180), 1 } } }, { TOK_MULTIPLIER, "multiplier", "Multiplier", "Optional X6 multiplier", "1", RIG_CONF_CHECKBUTTON }, { TOK_IFMIXFREQ, "phase_mod", "Phase Modulation", "Phase modulation in degrees", "0", RIG_CONF_NUMERIC, { .n = { 0, 360, PHASE_INCR } } }, { RIG_CONF_END, NULL, } }; static int dds60_init(RIG *rig); static int dds60_cleanup(RIG *rig); static int dds60_open(RIG *rig); static int dds60_set_freq(RIG *rig, vfo_t vfo, freq_t freq); static int dds60_set_conf(RIG *rig, token_t token, const char *val); static int dds60_get_conf(RIG *rig, token_t token, char *val); /* * The DDS-60 kit exists with a AD9851 chip (60 MHz), * as well as with the AD9850 chip (30 MHz) (no multiplier). * There is an option to enable/disable the AD9851 X6 multiplier. * http://www.amqrp.org/kits/dds60/ * http://www.analog.com/en/prod/0,2877,AD9851,00.html * * The receiver is controlled via the parallel port (D0,D1,D2). */ const struct rig_caps dds60_caps = { RIG_MODEL(RIG_MODEL_DDS60), .model_name = "DDS-60", .mfg_name = "AmQRP", .version = "20200112.0", .copyright = "LGPL", .status = RIG_STATUS_BETA, .rig_type = RIG_TYPE_TUNER, .ptt_type = RIG_PTT_NONE, .dcd_type = RIG_DCD_NONE, .port_type = RIG_PORT_PARALLEL, .write_delay = 0, .post_write_delay = 0, .timeout = 200, .retry = 0, .has_get_func = DDS60_FUNC, .has_set_func = DDS60_FUNC, .has_get_level = DDS60_LEVEL_ALL, .has_set_level = RIG_LEVEL_SET(DDS60_LEVEL_ALL), .has_get_parm = DDS60_PARM_ALL, .has_set_parm = RIG_PARM_SET(DDS60_PARM_ALL), .level_gran = {}, .parm_gran = {}, .ctcss_list = NULL, .dcs_list = NULL, .preamp = { RIG_DBLST_END }, .attenuator = { RIG_DBLST_END }, .max_rit = Hz(0), .max_xit = Hz(0), .max_ifshift = Hz(0), .targetable_vfo = 0, .transceive = RIG_TRN_OFF, .bank_qty = 0, .chan_desc_sz = 0, .chan_list = { RIG_CHAN_END }, .rx_range_list1 = { {MHz(1), MHz(60), DDS60_MODES, -1, -1, DDS60_VFO}, /* TBC */ RIG_FRNG_END, }, .tx_range_list1 = { RIG_FRNG_END, }, .rx_range_list2 = { {MHz(1), MHz(60), DDS60_MODES, -1, -1, DDS60_VFO}, RIG_FRNG_END, }, .tx_range_list2 = { RIG_FRNG_END, }, .tuning_steps = { {DDS60_MODES, 1}, RIG_TS_END, }, /* mode/filter list, remember: order matters! */ .filters = { {DDS60_MODES, kHz(12)}, RIG_FLT_END, }, .cfgparams = dds60_cfg_params, .rig_init = dds60_init, .rig_cleanup = dds60_cleanup, .rig_open = dds60_open, .set_conf = dds60_set_conf, .get_conf = dds60_get_conf, .set_freq = dds60_set_freq, .hamlib_check_rig_caps = HAMLIB_CHECK_RIG_CAPS }; int dds60_init(RIG *rig) { struct dds60_priv_data *priv; rig->state.priv = (struct dds60_priv_data *)malloc(sizeof( struct dds60_priv_data)); if (!rig->state.priv) { /* whoops! memory shortage! */ return -RIG_ENOMEM; } priv = rig->state.priv; priv->osc_freq = OSCFREQ; priv->if_mix_freq = IFMIXFREQ; priv->multiplier = 1; priv->phase_step = 0; return RIG_OK; } int dds60_cleanup(RIG *rig) { if (!rig) { return -RIG_EINVAL; } if (rig->state.priv) { free(rig->state.priv); } rig->state.priv = NULL; return RIG_OK; } /* * Assumes rig!=NULL, rig->state.priv!=NULL */ int dds60_set_conf(RIG *rig, token_t token, const char *val) { struct dds60_priv_data *priv; float phase; priv = (struct dds60_priv_data *)rig->state.priv; switch (token) { case TOK_OSCFREQ: sscanf(val, "%"SCNfreq, &priv->osc_freq); break; case TOK_IFMIXFREQ: sscanf(val, "%"SCNfreq, &priv->if_mix_freq); break; case TOK_MULTIPLIER: sscanf(val, "%d", &priv->multiplier); break; case TOK_PHASE_MOD: sscanf(val, "%f", &phase); priv->phase_step = ((unsigned)((phase + PHASE_INCR / 2) / PHASE_INCR)) % 32; break; default: return -RIG_EINVAL; } return RIG_OK; } /* * assumes rig!=NULL, * Assumes rig!=NULL, rig->state.priv!=NULL * and val points to a buffer big enough to hold the conf value. */ int dds60_get_conf2(RIG *rig, token_t token, char *val, int val_len) { struct dds60_priv_data *priv; priv = (struct dds60_priv_data *)rig->state.priv; switch (token) { case TOK_OSCFREQ: SNPRINTF(val, val_len, "%"PRIfreq, priv->osc_freq); break; case TOK_IFMIXFREQ: SNPRINTF(val, val_len, "%"PRIfreq, priv->if_mix_freq); break; case TOK_MULTIPLIER: SNPRINTF(val, val_len, "%d", priv->multiplier); break; case TOK_PHASE_MOD: SNPRINTF(val, val_len, "%f", priv->phase_step * PHASE_INCR); break; default: return -RIG_EINVAL; } return RIG_OK; } int dds60_get_conf(RIG *rig, token_t token, char *val) { return dds60_get_conf2(rig, token, val, 128); } #define DATA 0x01 /* d0 */ #define CLOCK 0x02 /* d1 */ #define LOAD 0x03 /* d2 */ static void ad_delay(int delay) { /* none needed, I/O bus should be slow enough */ } static void ad_bit(hamlib_port_t *port, unsigned char bit) { bit &= DATA; par_write_data(port, bit); ad_delay(1); par_write_data(port, bit | CLOCK); ad_delay(1); par_write_data(port, bit); ad_delay(1); } static void ad_write(hamlib_port_t *port, unsigned long word, unsigned char control) { int i; /* lock the parallel port */ par_lock(port); /* shift out the least significant 32 bits of the word */ for (i = 0; i < 32; i++) { ad_bit(port, word & DATA); word >>= 1; } /* write out the control byte */ for (i = 0; i < 8; i++) { ad_bit(port, control & DATA); control >>= 1; } /* load the register */ par_write_data(port, LOAD); ad_delay(1); par_write_data(port, 0); /* unlock the parallel port */ par_unlock(port); } int dds60_set_freq(RIG *rig, vfo_t vfo, freq_t freq) { unsigned long frg; unsigned char control; struct dds60_priv_data *priv; hamlib_port_t *port = &rig->state.rigport; freq_t osc_ref; priv = (struct dds60_priv_data *)rig->state.priv; if (priv->multiplier) { osc_ref = priv->osc_freq * 6; } else { osc_ref = priv->osc_freq; } /* all frequencies are in Hz */ frg = (unsigned long)(((double)freq + priv->if_mix_freq) / osc_ref * 4294967296.0 + 0.5); rig_debug(RIG_DEBUG_VERBOSE, "%s: word %lu, X6 multiplier %d, phase %.2f\n", __func__, frg, priv->multiplier, priv->phase_step * PHASE_INCR); control = priv->multiplier ? 0x01 : 0x00; control |= (priv->phase_step & 0x1f) << 3; ad_write(port, frg, control); return RIG_OK; } int dds60_open(RIG *rig) { hamlib_port_t *port = &rig->state.rigport; /* lock the parallel port */ par_lock(port); /* Serial load enable sequence W_CLK */ par_write_data(port, 0); ad_delay(1); par_write_data(port, CLOCK); ad_delay(1); par_write_data(port, 0); ad_delay(1); /* Serial load enable sequence FQ_UD */ par_write_data(port, LOAD); ad_delay(1); par_write_data(port, 0); /* unlock the parallel port */ par_unlock(port); return RIG_OK; }