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Hamlib/kit/fifisdr.c

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21 KiB
C
Czysty Wina Historia

/*
* Hamlib KIT backend - FiFi-SDR Receiver(/Tuner) description
* Copyright (c) 2010 by Rolf Meeser
*
* Derived from si570avrusb backend:
* Copyright (C) 2004-2010 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
*
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#ifdef HAVE_STDINT_H
#include <stdint.h>
#endif
#include <stdlib.h>
#include <stdio.h>
#include <math.h>
#include "hamlib/rig.h"
#include "token.h"
#include "kit.h"
/*
* Compile this model only if libusb is available
*/
#if defined(HAVE_LIBUSB) && (defined(HAVE_LIBUSB_H) || defined(HAVE_LIBUSB_1_0_LIBUSB_H))
#include <errno.h>
#ifdef HAVE_LIBUSB_H
# include <libusb.h>
#elif defined HAVE_LIBUSB_1_0_LIBUSB_H
# include <libusb-1.0/libusb.h>
#endif
/* Selected request codes of the original AVR USB Si570 firmware */
#define REQUEST_SET_FREQ_BY_VALUE (0x32)
#define REQUEST_SET_XTALL_FREQ (0x33)
#define REQUEST_READ_MULTIPLY_LO (0x39)
#define REQUEST_READ_FREQUENCY (0x3A)
/* FiFi-SDR specific requests */
#define REQUEST_FIFISDR_READ (0xAB)
#define REQUEST_FIFISDR_WRITE (0xAC)
/* USB VID/PID, vendor name (idVendor), product name (idProduct).
* Use obdev's generic shared VID/PID pair and follow the rules outlined
* in firmware/usbdrv/USBID-License.txt.
*/
#define USBDEV_SHARED_VID 0x16C0 /* VOTI */
#define USBDEV_SHARED_PID 0x05DC /* Obdev's free shared PID */
#define FIFISDR_VENDOR_NAME "www.ov-lennestadt.de"
#define FIFISDR_PRODUCT_NAME "FiFi-SDR"
/* All level controls */
#define FIFISDR_LEVEL_ALL (0 \
| RIG_LEVEL_PREAMP \
| RIG_LEVEL_STRENGTH \
| RIG_LEVEL_AF \
| RIG_LEVEL_AGC \
| RIG_LEVEL_SQL \
)
static int fifisdr_init(RIG *rig);
static int fifisdr_cleanup(RIG *rig);
static int fifisdr_open(RIG *rig);
static int fifisdr_set_freq(RIG *rig, vfo_t vfo, freq_t freq);
static int fifisdr_get_freq(RIG *rig, vfo_t vfo, freq_t *freq);
static const char *fifisdr_get_info(RIG *rig);
static int fifisdr_set_mode(RIG *rig, vfo_t vfo, rmode_t mode, pbwidth_t width);
static int fifisdr_get_mode(RIG *rig, vfo_t vfo, rmode_t *mode,
pbwidth_t *width);
static int fifisdr_set_level(RIG *rig, vfo_t vfo, setting_t level, value_t val);
static int fifisdr_get_level(RIG *rig, vfo_t vfo, setting_t level,
value_t *val);
static int fifisdr_get_ext_level(RIG *rig, vfo_t vfo, token_t token,
value_t *val);
/* Private tokens. */
#define TOK_LVL_FMCENTER TOKEN_BACKEND(1) /* FM center frequency deviation */
/* Extra levels definitions */
static const struct confparams fifisdr_ext_levels[] =
{
{
TOK_LVL_FMCENTER, "fmcenter", "FM center", "Center frequency deviation of FM signal",
NULL, RIG_CONF_NUMERIC, { .n = { -kHz(5), kHz(5), Hz(1) } }
},
{ RIG_CONF_END, NULL, }
};
/** Private instance data. */
struct fifisdr_priv_instance_data
{
double multiplier;
};
/** FiFi-SDR receiver description. */
const struct rig_caps fifisdr_caps =
{
.rig_model = RIG_MODEL_FIFISDR,
.model_name = "FiFi-SDR",
.mfg_name = "FiFi",
.version = "0.6",
.copyright = "LGPL",
.status = RIG_STATUS_BETA,
.rig_type = RIG_TYPE_RECEIVER,
.ptt_type = RIG_PTT_NONE,
.dcd_type = RIG_DCD_NONE,
.port_type = RIG_PORT_USB,
.write_delay = 0,
.post_write_delay = 0,
.timeout = 500,
.retry = 0,
.has_get_func = RIG_FUNC_NONE,
.has_set_func = RIG_FUNC_NONE,
.has_get_level = FIFISDR_LEVEL_ALL,
.has_set_level = RIG_LEVEL_SET(FIFISDR_LEVEL_ALL),
.has_get_parm = RIG_PARM_NONE,
.has_set_parm = RIG_PARM_SET(RIG_PARM_NONE),
.level_gran = {},
.parm_gran = {},
.extparms = NULL,
.extlevels = fifisdr_ext_levels,
.preamp = { 6, RIG_DBLST_END },
.attenuator = { RIG_DBLST_END },
.max_rit = Hz(0),
.max_xit = Hz(0),
.max_ifshift = Hz(0),
.vfo_ops = RIG_OP_NONE,
.scan_ops = RIG_SCAN_NONE,
.targetable_vfo = 0,
.transceive = RIG_TRN_OFF,
.bank_qty = 0,
.chan_desc_sz = 0,
.chan_list = {
RIG_CHAN_END,
},
.rx_range_list1 = {
{
.startf = kHz(39.1), .endf = MHz(175.0),
.modes = RIG_MODE_AM | RIG_MODE_SSB | RIG_MODE_FM,
.low_power = -1, .high_power = -1,
.vfo = RIG_VFO_A, .ant = RIG_ANT_1
},
RIG_FRNG_END,
},
.tx_range_list1 = { RIG_FRNG_END, },
.rx_range_list2 = {
{
.startf = kHz(39.1), .endf = MHz(175.0),
.modes = RIG_MODE_AM | RIG_MODE_SSB | RIG_MODE_FM,
.low_power = -1, .high_power = -1,
.vfo = RIG_VFO_A, .ant = RIG_ANT_1
},
RIG_FRNG_END,
},
.tx_range_list2 = { RIG_FRNG_END, },
.tuning_steps = {
{RIG_MODE_SSB, Hz(1)},
{RIG_MODE_SSB, Hz(10)},
{RIG_MODE_SSB, Hz(50)},
{RIG_MODE_AM, Hz(10)},
{RIG_MODE_AM, Hz(50)},
{RIG_MODE_AM, Hz(100)},
{RIG_MODE_FM, kHz(0.1)},
{RIG_MODE_FM, kHz(5)},
{RIG_MODE_FM, kHz(6.25)},
{RIG_MODE_FM, kHz(10)},
{RIG_MODE_FM, kHz(12.5)},
{RIG_MODE_FM, kHz(20)},
{RIG_MODE_FM, kHz(25)},
{RIG_MODE_FM, kHz(100)},
RIG_TS_END,
},
/* mode/filter list, remember: order matters! */
.filters = {
{RIG_MODE_SSB, kHz(2.7)}, /* normal */
{RIG_MODE_SSB, kHz(2.2)},
{RIG_MODE_SSB, kHz(3.3)},
{RIG_MODE_AM, kHz(8.0)}, /* normal */
{RIG_MODE_AM, kHz(6.2)},
{RIG_MODE_AM, kHz(10.0)},
{RIG_MODE_FM, kHz(9.0)}, /* normal */
{RIG_MODE_FM, kHz(6.0)},
{RIG_MODE_FM, kHz(12.5)},
RIG_FLT_END,
},
.cfgparams = NULL,
.rig_init = fifisdr_init,
.rig_cleanup = fifisdr_cleanup,
.rig_open = fifisdr_open,
.rig_close = NULL,
.set_freq = fifisdr_set_freq,
.get_freq = fifisdr_get_freq,
.set_mode = fifisdr_set_mode,
.get_mode = fifisdr_get_mode,
.set_level = fifisdr_set_level,
.get_level = fifisdr_get_level,
.get_ext_level = fifisdr_get_ext_level,
.get_info = fifisdr_get_info,
};
/** Convert from host endianness to FiFi-SDR little endian. */
static uint32_t fifisdr_tole32(uint32_t x)
{
return
(((((x) / 1ul) % 256ul) << 0) |
((((x) / 256ul) % 256ul) << 8) |
((((x) / 65536ul) % 256ul) << 16) |
((((x) / 16777216ul) % 256ul) << 24));
}
/** Convert FiFi-SDR little endian to host endianness. */
static uint32_t fifisdr_fromle32(uint32_t x)
{
return
(((((x) >> 24) & 0xFF) * 16777216ul) +
((((x) >> 16) & 0xFF) * 65536ul) +
((((x) >> 8) & 0xFF) * 256ul) +
((((x) >> 0) & 0xFF) * 1ul));
}
/** USB OUT transfer via vendor device command. */
static int fifisdr_usb_write(RIG *rig,
int request, int value, int index,
unsigned char *bytes, int size)
{
int ret;
libusb_device_handle *udh = rig->state.rigport.handle;
ret = libusb_control_transfer(udh,
LIBUSB_REQUEST_TYPE_VENDOR | LIBUSB_RECIPIENT_DEVICE | LIBUSB_ENDPOINT_OUT,
request, value, index,
bytes, size, rig->state.rigport.timeout);
if (ret != size)
{
rig_debug(RIG_DEBUG_ERR, "%s: libusb_control_transfer (%d/%d) failed: %s\n",
__func__,
request, value,
libusb_error_name(ret));
return -RIG_EIO;
}
return RIG_OK;
}
/** USB IN transfer via vendor device command. */
static int fifisdr_usb_read(RIG *rig,
int request, int value, int index,
unsigned char *bytes, int size)
{
int ret;
libusb_device_handle *udh = rig->state.rigport.handle;
ret = libusb_control_transfer(udh,
LIBUSB_REQUEST_TYPE_VENDOR | LIBUSB_RECIPIENT_DEVICE | LIBUSB_ENDPOINT_IN,
request, value, index,
bytes, size, rig->state.rigport.timeout);
if (ret != size)
{
rig_debug(RIG_DEBUG_ERR, "%s: libusb_control_transfer (%d/%d) failed: %s\n",
__func__,
request, value,
libusb_error_name(ret));
return -RIG_EIO;
}
return RIG_OK;
}
int fifisdr_init(RIG *rig)
{
hamlib_port_t *rp = &rig->state.rigport;
struct fifisdr_priv_instance_data *priv;
priv = (struct fifisdr_priv_instance_data *)calloc(sizeof(
struct fifisdr_priv_instance_data), 1);
if (!priv)
{
/* whoops! memory shortage! */
return -RIG_ENOMEM;
}
priv->multiplier = 4;
rp->parm.usb.vid = USBDEV_SHARED_VID;
rp->parm.usb.pid = USBDEV_SHARED_PID;
/* no usb_set_configuration() and usb_claim_interface() */
rp->parm.usb.iface = -1;
rp->parm.usb.conf = 1;
rp->parm.usb.alt = 0;
rp->parm.usb.vendor_name = FIFISDR_VENDOR_NAME;
rp->parm.usb.product = FIFISDR_PRODUCT_NAME;
rig->state.priv = (void *)priv;
return RIG_OK;
}
int fifisdr_cleanup(RIG *rig)
{
if (!rig)
{
return -RIG_EINVAL;
}
if (rig->state.priv)
{
free(rig->state.priv);
}
rig->state.priv = NULL;
return RIG_OK;
}
int fifisdr_open(RIG *rig)
{
int ret;
uint32_t multiply;
struct fifisdr_priv_instance_data *priv;
priv = (struct fifisdr_priv_instance_data *)rig->state.priv;
/* The VCO is a multiple of the RX frequency. Typically 4 */
ret = fifisdr_usb_read(rig, REQUEST_FIFISDR_READ, 0,
11, /* Read virtual VCO factor */
(unsigned char *)&multiply, sizeof(multiply));
if (ret == RIG_OK)
{
priv->multiplier = fifisdr_fromle32(multiply);
}
return RIG_OK;
}
const char *fifisdr_get_info(RIG *rig)
{
static char buf[64];
int ret;
uint32_t svn_version;
ret = fifisdr_usb_read(rig, REQUEST_FIFISDR_READ, 0, 0,
(unsigned char *)&svn_version, sizeof(svn_version));
if (ret != RIG_OK)
{
return NULL;
}
snprintf(buf, sizeof(buf), "Firmware version: %d", svn_version);
return buf;
}
int fifisdr_set_freq(RIG *rig, vfo_t vfo, freq_t freq)
{
struct fifisdr_priv_instance_data *priv = (struct fifisdr_priv_instance_data *)
rig->state.priv;
int ret;
double mhz;
uint32_t freq1121;
/* Need frequency in 11.21 format */
mhz = (freq * priv->multiplier) / 1e6;
freq1121 = fifisdr_tole32(round(mhz * 2097152.0));
ret = fifisdr_usb_write(rig, REQUEST_SET_FREQ_BY_VALUE, 0, 0,
(unsigned char *)&freq1121, sizeof(freq1121));
if (ret != RIG_OK)
{
return -RIG_EIO;
}
return RIG_OK;
}
int fifisdr_get_freq(RIG *rig, vfo_t vfo, freq_t *freq)
{
struct fifisdr_priv_instance_data *priv = (struct fifisdr_priv_instance_data *)
rig->state.priv;
int ret;
uint32_t freq1121;
ret = fifisdr_usb_read(rig, REQUEST_READ_FREQUENCY, 0, 0,
(unsigned char *)&freq1121, sizeof(freq1121));
if (ret == RIG_OK)
{
freq1121 = fifisdr_fromle32(freq1121);
*freq = MHz(((double)freq1121 / (1ul << 21)) / priv->multiplier);
}
return ret;
}
static int fifisdr_set_mode(RIG *rig, vfo_t vfo, rmode_t mode, pbwidth_t width)
{
int ret;
uint8_t fifi_mode;
uint32_t fifi_width;
/* Translate mode into FiFi-SDR language */
fifi_mode = 0;
switch (mode)
{
case RIG_MODE_AM:
fifi_mode = 2;
break;
case RIG_MODE_LSB:
fifi_mode = 0;
break;
case RIG_MODE_USB:
fifi_mode = 1;
break;
case RIG_MODE_FM:
fifi_mode = 3;
break;
default:
return -RIG_EINVAL;
}
ret = fifisdr_usb_write(rig, REQUEST_FIFISDR_WRITE, 0,
15, /* Demodulator mode */
(unsigned char *)&fifi_mode, sizeof(fifi_mode));
if (ret != RIG_OK)
{
return -RIG_EIO;
}
if (RIG_PASSBAND_NOCHANGE == width) { return ret; }
/* Set filter width */
fifi_width = fifisdr_tole32(width);
ret = fifisdr_usb_write(rig, REQUEST_FIFISDR_WRITE, 0,
16, /* Filter width */
(unsigned char *)&fifi_width, sizeof(fifi_width));
if (ret != RIG_OK)
{
return -RIG_EIO;
}
return RIG_OK;
}
static int fifisdr_get_mode(RIG *rig, vfo_t vfo, rmode_t *mode,
pbwidth_t *width)
{
int ret;
uint8_t fifi_mode;
uint32_t fifi_width;
/* Read current mode */
ret = fifisdr_usb_read(rig, REQUEST_FIFISDR_READ, 0,
15, /* Demodulator mode */
(unsigned char *)&fifi_mode, sizeof(fifi_mode));
if (ret != RIG_OK)
{
return -RIG_EIO;
}
/* Translate mode coding */
*mode = RIG_MODE_NONE;
switch (fifi_mode)
{
case 0:
*mode = RIG_MODE_LSB;
break;
case 1:
*mode = RIG_MODE_USB;
break;
case 2:
*mode = RIG_MODE_AM;
break;
case 3:
*mode = RIG_MODE_FM;
break;
}
/* Read current filter width */
ret = fifisdr_usb_read(rig, REQUEST_FIFISDR_READ, 0,
16, /* Filter width */
(unsigned char *)&fifi_width, sizeof(fifi_width));
if (ret != RIG_OK)
{
return -RIG_EIO;
}
*width = s_Hz(fifisdr_fromle32(fifi_width));
return RIG_OK;
}
static int fifisdr_set_level(RIG *rig, vfo_t vfo, setting_t level, value_t val)
{
int ret = RIG_OK;
uint8_t fifi_preamp;
int16_t fifi_volume;
uint8_t fifi_squelch;
uint8_t fifi_agc;
switch (level)
{
/* Preamplifier (ADC 0/+6dB switch) */
case RIG_LEVEL_PREAMP:
/* Value can be 0 (0 dB) or 1 (+6 dB) */
fifi_preamp = 0;
if (val.i == 6)
{
fifi_preamp = 1;
}
ret = fifisdr_usb_write(rig, REQUEST_FIFISDR_WRITE, 0,
19, /* Preamp */
(unsigned char *)&fifi_preamp, sizeof(fifi_preamp));
break;
/* RX volume control */
case RIG_LEVEL_AF:
/* Transform Hamlib value (float: 0...1) to an integer range (0...100) */
fifi_volume = (int16_t)(val.f * 100.0f);
if (fifi_volume < 0)
{
fifi_volume = 0;
}
if (fifi_volume > 100)
{
fifi_volume = 100;
}
ret = fifisdr_usb_write(rig, REQUEST_FIFISDR_WRITE, 0,
14, /* Demodulator volume */
(unsigned char *)&fifi_volume, sizeof(fifi_volume));
break;
/* Squelch level */
case RIG_LEVEL_SQL:
/* Transform Hamlib value (float: 0...1) to an integer range (0...100) */
fifi_squelch = (uint8_t)(val.f * 100.0f);
if (fifi_squelch < 0)
{
fifi_squelch = 0;
}
if (fifi_squelch > 100)
{
fifi_squelch = 100;
}
ret = fifisdr_usb_write(rig, REQUEST_FIFISDR_WRITE, 0,
20, /* Squelch control */
(unsigned char *)&fifi_squelch, sizeof(fifi_squelch));
break;
/* AGC */
case RIG_LEVEL_AGC:
/* Transform Hamlib enum value to FiFi-SDR selector */
fifi_agc = 0;
switch ((enum agc_level_e)val.i)
{
case RIG_AGC_OFF: fifi_agc = 0; break;
case RIG_AGC_SUPERFAST: fifi_agc = 1; break;
case RIG_AGC_FAST: fifi_agc = 2; break;
case RIG_AGC_SLOW: fifi_agc = 3; break;
case RIG_AGC_USER: fifi_agc = 4; break;
case RIG_AGC_MEDIUM: fifi_agc = 5; break;
case RIG_AGC_AUTO: fifi_agc = 6; break;
}
ret = fifisdr_usb_write(rig, REQUEST_FIFISDR_WRITE, 0,
21, /* AGC template */
(unsigned char *)&fifi_agc, sizeof(fifi_agc));
break;
/* Unsupported option */
default:
ret = -RIG_ENIMPL;
}
return ret;
}
static int fifisdr_get_level(RIG *rig, vfo_t vfo, setting_t level, value_t *val)
{
int ret = RIG_OK;
uint32_t fifi_meter = 0;
uint8_t fifi_preamp = 0;
int16_t fifi_volume = 0;
uint8_t fifi_squelch = 0;
uint8_t fifi_agc = 0;
switch (level)
{
/* Preamplifier (ADC 0/+6dB switch) */
case RIG_LEVEL_PREAMP:
ret = fifisdr_usb_read(rig, REQUEST_FIFISDR_READ, 0,
19, /* Preamp */
(unsigned char *)&fifi_preamp, sizeof(fifi_preamp));
if (ret == RIG_OK)
{
/* Value can be 0 (0 dB) or 1 (+6 dB) */
val->i = 0;
if (fifi_preamp != 0)
{
val->i = 6;
}
}
break;
/* RX volume control */
case RIG_LEVEL_AF:
ret = fifisdr_usb_read(rig, REQUEST_FIFISDR_READ, 0,
14, /* Demodulator volume */
(unsigned char *)&fifi_volume, sizeof(fifi_volume));
if (ret == RIG_OK)
{
/* Value is in % (0...100) */
val->f = 0.0f;
if ((fifi_volume >= 0) && (fifi_volume <= 100))
{
val->f = (float)fifi_volume / 100.0f;
}
}
break;
/* Squelch level */
case RIG_LEVEL_SQL:
ret = fifisdr_usb_read(rig, REQUEST_FIFISDR_READ, 0,
20, /* Squelch control */
(unsigned char *)&fifi_squelch, sizeof(fifi_squelch));
if (ret == RIG_OK)
{
/* Value is in % (0...100) */
val->f = 0.0f;
if (fifi_squelch <= 100)
{
val->f = (float)fifi_squelch / 100.0f;
}
}
break;
/* AGC */
case RIG_LEVEL_AGC:
ret = fifisdr_usb_read(rig, REQUEST_FIFISDR_READ, 0,
21, /* AGC template */
(unsigned char *)&fifi_agc, sizeof(fifi_agc));
if (ret == RIG_OK)
{
val->i = 0;
switch (fifi_agc)
{
case 0: val->i = RIG_AGC_OFF; break;
case 1: val->i = RIG_AGC_SUPERFAST; break;
case 2: val->i = RIG_AGC_FAST; break;
case 3: val->i = RIG_AGC_SLOW; break;
case 4: val->i = RIG_AGC_USER; break;
case 5: val->i = RIG_AGC_MEDIUM; break;
case 6: val->i = RIG_AGC_AUTO; break;
}
}
break;
/* Signal strength */
case RIG_LEVEL_STRENGTH:
ret = fifisdr_usb_read(rig, REQUEST_FIFISDR_READ, 0,
17, /* S-Meter */
(unsigned char *)&fifi_meter, sizeof(fifi_meter));
if (ret == RIG_OK)
{
val->i = fifisdr_fromle32(fifi_meter);
}
break;
/* Unsupported option */
default:
ret = -RIG_ENIMPL;
}
return ret;
}
static int fifisdr_get_ext_level(RIG *rig, vfo_t vfo, token_t token,
value_t *val)
{
int ret = RIG_OK;
uint32_t u32;
switch (token)
{
/* FM center frequency deviation */
case TOK_LVL_FMCENTER:
ret = fifisdr_usb_read(rig, REQUEST_FIFISDR_READ, 0,
18, /* FM center frequency */
(unsigned char *)&u32, sizeof(u32));
if (ret == RIG_OK)
{
val->f = Hz((int32_t)fifisdr_fromle32(u32));
}
break;
/* Unsupported option */
default:
ret = -RIG_ENIMPL;
}
return ret;
}
#endif /* defined(HAVE_LIBUSB) && defined(HAVE_LIBUSB_H) */
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