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Hamlib/kit/si570avrusb.c

833 wiersze
21 KiB
C
Czysty Wina Historia

/*
* Hamlib KIT backend - SoftRock / Si570 AVR USB tuner description
* Copyright (c) 2009-2010 by Stephane Fillod
*
* Derived from usbsoftrock-0.5:
* Copyright (C) 2009 Andrew Nilsson (andrew.nilsson@gmail.com)
*
*
* This library is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of
* the License, or (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, 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_USB_H)
#include <errno.h>
#include <usb.h>
#include "si570avrusb.h"
static int si570avrusb_init(RIG *rig);
static int si570picusb_init(RIG *rig);
static int si570xxxusb_cleanup(RIG *rig);
static int si570xxxusb_open(RIG *rig);
static int si570xxxusb_set_freq(RIG *rig, vfo_t vfo, freq_t freq);
static int si570xxxusb_get_freq(RIG *rig, vfo_t vfo, freq_t *freq);
static int si570xxxusb_set_freq_by_value(RIG *rig, vfo_t vfo, freq_t freq);
static int si570xxxusb_get_freq_by_value(RIG *rig, vfo_t vfo, freq_t *freq);
static int si570xxxusb_set_ptt(RIG * rig, vfo_t vfo, ptt_t ptt);
static int si570xxxusb_set_conf(RIG *rig, token_t token, const char *val);
static int si570xxxusb_get_conf(RIG *rig, token_t token, char *val);
static const char *si570xxxusb_get_info(RIG *rig);
#define USBDEV_SHARED_VID 0x16C0 /* VOTI */
#define USBDEV_SHARED_PID 0x05DC /* Obdev's free shared PID */
/* Use obdev's generic shared VID/PID pair and follow the rules outlined
* in firmware/usbdrv/USBID-License.txt.
*/
#define VENDOR_NAME "www.obdev.at"
#define AVR_PRODUCT_NAME "DG8SAQ-I2C"
#define PIC_PRODUCT_NAME "KTH-SDR-KIT"
#define TOK_OSCFREQ TOKEN_BACKEND(1)
#define TOK_MULTIPLIER TOKEN_BACKEND(3)
#define TOK_I2C_ADDR TOKEN_BACKEND(4)
#define TOK_BPF TOKEN_BACKEND(5)
static const struct confparams si570xxxusb_cfg_params[] = {
{ TOK_OSCFREQ, "osc_freq", "Oscillator freq", "Oscillator frequency in Hz",
"114285000", RIG_CONF_NUMERIC, { .n = { 1, MHz(300), 1 } }
},
{ TOK_MULTIPLIER, "multiplier", "Freq Multiplier", "Frequency multiplier",
"4", RIG_CONF_NUMERIC, { .n = { 0.000001, 100 } }
},
{ TOK_I2C_ADDR, "i2c_addr", "I2C Address", "Si570 I2C Address",
"55", RIG_CONF_NUMERIC, { .n = { 0, 512 } }
},
{ TOK_BPF, "bpf", "BPF", "Enable Band Pass Filter",
"0", RIG_CONF_CHECKBUTTON, { }
},
{ RIG_CONF_END, NULL, }
};
/*
* Common data struct
*/
struct si570xxxusb_priv_data {
unsigned short version; /* >=0x0f00 is PE0FKO's */
double osc_freq; /* MHz */
double multiplier; /* default to 4 for QSD/QSE */
int i2c_addr;
int bpf; /* enable BPF? */
};
#define SI570AVRUSB_MODES (RIG_MODE_USB) /* USB is for SDR */
#define SI570AVRUSB_FUNC (RIG_FUNC_NONE)
#define SI570AVRUSB_LEVEL_ALL (RIG_LEVEL_NONE)
/* TODO: BPF as a parm or ext_level? */
#define SI570AVRUSB_PARM_ALL (RIG_PARM_NONE)
#define SI570AVRUSB_VFO (RIG_VFO_A)
#define SI570AVRUSB_ANT (RIG_ANT_1)
/*
* SoftRock Si570 AVR-USB description
*
* Heavily based on SoftRock USB-I2C Utility usbsoftrock-0.5,
* author Andrew Nilsson VK6JBL:
* http://groups.yahoo.com/group/softrock40/files/VK6JBL/
*
*/
const struct rig_caps si570avrusb_caps = {
.rig_model = RIG_MODEL_SI570AVRUSB,
.model_name = "Si570 AVR-USB",
.mfg_name = "SoftRock",
.version = "0.2",
.copyright = "GPL",
.status = RIG_STATUS_BETA,
.rig_type = RIG_TYPE_TUNER,
.ptt_type = RIG_PTT_RIG,
.dcd_type = RIG_DCD_NONE,
.port_type = RIG_PORT_USB,
.write_delay = 0,
.post_write_delay = 0,
.timeout = 500,
.retry = 0,
.has_get_func = SI570AVRUSB_FUNC,
.has_set_func = SI570AVRUSB_FUNC,
.has_get_level = SI570AVRUSB_LEVEL_ALL,
.has_set_level = RIG_LEVEL_SET(SI570AVRUSB_LEVEL_ALL),
.has_get_parm = SI570AVRUSB_PARM_ALL,
.has_set_parm = RIG_PARM_SET(SI570AVRUSB_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 = {
/* probably higher upper range, depending on type (CMOS, LVDS, ..) */
{kHz(800),MHz(53.7),SI570AVRUSB_MODES,-1,-1,SI570AVRUSB_VFO},
RIG_FRNG_END,
},
.tx_range_list1 = { RIG_FRNG_END, },
.rx_range_list2 = {
{kHz(800),MHz(53.7),SI570AVRUSB_MODES,-1,-1,SI570AVRUSB_VFO},
RIG_FRNG_END,
},
.tx_range_list2 = { RIG_FRNG_END, },
.tuning_steps = {
{SI570AVRUSB_MODES,Hz(1)},
RIG_TS_END,
},
/* mode/filter list, remember: order matters! */
.filters = {
RIG_FLT_END,
},
.cfgparams = si570xxxusb_cfg_params,
.rig_init = si570avrusb_init,
.rig_cleanup = si570xxxusb_cleanup,
.rig_open = si570xxxusb_open,
.set_conf = si570xxxusb_set_conf,
.get_conf = si570xxxusb_get_conf,
.set_freq = si570xxxusb_set_freq,
.get_freq = si570xxxusb_get_freq,
.set_ptt = si570xxxusb_set_ptt,
.get_info = si570xxxusb_get_info,
};
/*
* KTH-SDR-KIT Si570 PIC-USB description
*
* Same USB interface as AVR-USB, except different product string
* and different multiplier.
*
* http://home.kpn.nl/rw.engberts/sdr_kth.htm
*/
const struct rig_caps si570picusb_caps = {
.rig_model = RIG_MODEL_SI570PICUSB,
.model_name = "Si570 PIC-USB",
.mfg_name = "KTH-SDR kit",
.version = "0.2",
.copyright = "GPL",
.status = RIG_STATUS_BETA,
.rig_type = RIG_TYPE_TUNER,
.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 = SI570AVRUSB_FUNC,
.has_set_func = SI570AVRUSB_FUNC,
.has_get_level = SI570AVRUSB_LEVEL_ALL,
.has_set_level = RIG_LEVEL_SET(SI570AVRUSB_LEVEL_ALL),
.has_get_parm = SI570AVRUSB_PARM_ALL,
.has_set_parm = RIG_PARM_SET(SI570AVRUSB_PARM_ALL),
.level_gran = {},
.parm_gran = {},
.ctcss_list = NULL,
.dcs_list = NULL,
.preamp = { RIG_DBLST_END },
.attenuator = { RIG_DBLST_END }, /* TODO */
.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 = {
{kHz(800),MHz(550),SI570AVRUSB_MODES,-1,-1,SI570AVRUSB_VFO},
RIG_FRNG_END,
},
.tx_range_list1 = { RIG_FRNG_END, },
.rx_range_list2 = {
{kHz(800),MHz(550),SI570AVRUSB_MODES,-1,-1,SI570AVRUSB_VFO},
RIG_FRNG_END,
},
.tx_range_list2 = { RIG_FRNG_END, },
.tuning_steps = {
{SI570AVRUSB_MODES,Hz(1)},
RIG_TS_END,
},
/* mode/filter list, remember: order matters! */
.filters = {
RIG_FLT_END,
},
.cfgparams = si570xxxusb_cfg_params,
.rig_init = si570picusb_init,
.rig_cleanup = si570xxxusb_cleanup,
.rig_open = si570xxxusb_open,
.set_conf = si570xxxusb_set_conf,
.get_conf = si570xxxusb_get_conf,
.set_freq = si570xxxusb_set_freq,
.get_freq = si570xxxusb_get_freq,
.get_info = si570xxxusb_get_info,
};
/*
* AVR-USB model
*/
int si570avrusb_init(RIG *rig)
{
hamlib_port_t *rp = &rig->state.rigport;
struct si570xxxusb_priv_data *priv;
priv = (struct si570xxxusb_priv_data*)calloc(sizeof(struct si570xxxusb_priv_data), 1);
if (!priv) {
/* whoops! memory shortage! */
return -RIG_ENOMEM;
}
priv->osc_freq = SI570_NOMINAL_XTALL_FREQ;
/* QSD/QSE */
priv->multiplier = 4;
priv->i2c_addr = SI570_I2C_ADDR;
/* disable BPF, because it may share PTT I/O line */
priv->bpf = 0;
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; /* necessary ? */
rp->parm.usb.vendor_name = VENDOR_NAME;
rp->parm.usb.product = AVR_PRODUCT_NAME;
rig->state.priv = (void*)priv;
return RIG_OK;
}
/*
* PIC-USB model
*/
int si570picusb_init(RIG *rig)
{
hamlib_port_t *rp = &rig->state.rigport;
struct si570xxxusb_priv_data *priv;
priv = (struct si570xxxusb_priv_data*)calloc(sizeof(struct si570xxxusb_priv_data), 1);
if (!priv) {
/* whoops! memory shortage! */
return -RIG_ENOMEM;
}
priv->osc_freq = SI570_NOMINAL_XTALL_FREQ;
/* QSD/QSE */
priv->multiplier = 2;
priv->i2c_addr = SI570_I2C_ADDR;
/* enable BPF, because this is kit is receiver only */
priv->bpf = 1;
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; /* necessary ? */
rp->parm.usb.vendor_name = VENDOR_NAME;
rp->parm.usb.product = PIC_PRODUCT_NAME;
rig->state.priv = (void*)priv;
return RIG_OK;
}
int si570xxxusb_cleanup(RIG *rig)
{
if (!rig)
return -RIG_EINVAL;
if (rig->state.priv)
free(rig->state.priv);
rig->state.priv = NULL;
return RIG_OK;
}
int si570xxxusb_set_conf(RIG *rig, token_t token, const char *val)
{
struct si570xxxusb_priv_data *priv;
freq_t freq;
double multiplier;
int i2c_addr;
priv = (struct si570xxxusb_priv_data*)rig->state.priv;
switch(token) {
case TOK_OSCFREQ:
if (sscanf(val, "%"SCNfreq, &freq) != 1)
return -RIG_EINVAL;
priv->osc_freq = (double)freq/1e6;
break;
case TOK_MULTIPLIER:
if (sscanf(val, "%lf", &multiplier) != 1)
return -RIG_EINVAL;
if (multiplier == 0.)
return -RIG_EINVAL;
priv->multiplier = multiplier;
break;
case TOK_I2C_ADDR:
if (sscanf(val, "%x", &i2c_addr) != 1)
return -RIG_EINVAL;
if (i2c_addr < 0 || i2c_addr >= (1<<9))
return -RIG_EINVAL;
priv->i2c_addr = i2c_addr;
break;
case TOK_BPF:
if (sscanf(val, "%d", &priv->bpf) != 1)
return -RIG_EINVAL;
break;
default:
return -RIG_EINVAL;
}
return RIG_OK;
}
int si570xxxusb_get_conf(RIG *rig, token_t token, char *val)
{
struct si570xxxusb_priv_data *priv;
priv = (struct si570xxxusb_priv_data*)rig->state.priv;
switch(token) {
case TOK_OSCFREQ:
sprintf(val, "%"PRIfreq, (freq_t)(priv->osc_freq*1e6));
break;
case TOK_MULTIPLIER:
sprintf(val, "%f", priv->multiplier);
break;
case TOK_I2C_ADDR:
sprintf(val, "%x", priv->i2c_addr);
break;
case TOK_BPF:
sprintf(val, "%d", priv->bpf);
break;
default:
return -RIG_EINVAL;
}
return RIG_OK;
}
static int setBPF(RIG *rig, int enable)
{
struct usb_dev_handle *udh = rig->state.rigport.handle;
/* allocate enough space for up to 16 filters */
unsigned short FilterCrossOver[16];
int nBytes, i;
// first find out how may cross over points there are for the 1st bank, use 255 for index
nBytes = usb_control_msg(udh, USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_ENDPOINT_IN,
REQUEST_FILTERS, 0, 255,
(char *) FilterCrossOver, sizeof(FilterCrossOver),
rig->state.rigport.timeout);
if (nBytes < 0)
return -RIG_EIO;
if (nBytes > 2) {
nBytes = usb_control_msg(udh, USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_ENDPOINT_IN,
REQUEST_FILTERS, enable, (nBytes / 2) - 1,
(char *) FilterCrossOver, sizeof(FilterCrossOver),
rig->state.rigport.timeout);
if (nBytes < 0)
return -RIG_EIO;
rig_debug (RIG_DEBUG_TRACE, "Filter Bank 1:\n");
for (i = 0; i < (nBytes / 2) - 1; i++) {
rig_debug (RIG_DEBUG_TRACE, " CrossOver[%d] = %f\n",
i, (double) FilterCrossOver[i] / (1UL << 5));
}
rig_debug (RIG_DEBUG_TRACE, " BPF Enabled: %d\n",
FilterCrossOver[(nBytes / 2) - 1]);
}
return RIG_OK;
}
int si570xxxusb_open(RIG *rig)
{
struct si570xxxusb_priv_data *priv = (struct si570xxxusb_priv_data *)rig->state.priv;
struct usb_dev_handle *udh = rig->state.rigport.handle;
int ret;
unsigned short version;
rig_debug(RIG_DEBUG_TRACE,"%s called\n", __func__);
/*
* Determine firmware
*/
ret = usb_control_msg(udh, USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_ENDPOINT_IN,
REQUEST_READ_VERSION, 0x0E00, 0,
(char *) &version, sizeof(version), rig->state.rigport.timeout);
if (ret != 2) {
rig_debug (RIG_DEBUG_ERR, "%s: usb_control_msg failed: %s\n",
__func__,
usb_strerror ());
return -RIG_EIO;
}
priv->version = version;
if (version >= 0x0F00 || rig->caps->rig_model == RIG_MODEL_SI570PICUSB)
{
unsigned int iFreq;
rig_debug(RIG_DEBUG_VERBOSE,"%s: detected PE0FKO-like firmware\n", __func__);
ret = usb_control_msg(udh,
USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_ENDPOINT_IN,
REQUEST_READ_XTALL, 0, 0, (char *) &iFreq, sizeof(iFreq),
rig->state.rigport.timeout);
if (ret != 4)
return -RIG_EIO;
priv->osc_freq = (double)iFreq / (1UL<<24);
if (priv->bpf) {
ret = setBPF(rig, 1);
if (ret != RIG_OK)
return ret;
}
}
rig_debug(RIG_DEBUG_VERBOSE,"%s: using Xtall at %.3f MHz\n",
__func__, priv->osc_freq);
return RIG_OK;
}
const char * si570xxxusb_get_info(RIG *rig)
{
static char buf[64];
struct usb_dev_handle *udh = rig->state.rigport.handle;
struct usb_device *q = usb_device(udh);
int ret;
unsigned short version;
ret = usb_control_msg(udh, USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_ENDPOINT_IN,
REQUEST_READ_VERSION, 0x0E00, 0,
(char *) &version, sizeof(version), rig->state.rigport.timeout);
if (ret != 2) {
rig_debug (RIG_DEBUG_ERR, "%s: usb_control_msg failed: %s\n",
__func__,
usb_strerror ());
return NULL;
}
sprintf(buf, "USB dev %04d, version: %d.%d", q->descriptor.bcdDevice,
(version & 0xFF00) >> 8, version & 0xFF);
return buf;
}
static const int HS_DIV_MAP[] = {4,5,6,7,-1,9,-1,11};
static int calcDividers(RIG *rig, double f, struct solution* solution)
{
struct si570xxxusb_priv_data *priv = (struct si570xxxusb_priv_data *)rig->state.priv;
struct solution sols[8];
int i;
int imin;
double fmin;
double y;
// Count down through the dividers
for (i=7;i >= 0;i--) {
if (HS_DIV_MAP[i] > 0) {
sols[i].HS_DIV = i;
y = (SI570_DCO_HIGH + SI570_DCO_LOW) / (2 * f);
y = y / HS_DIV_MAP[i];
if (y < 1.5) {
y = 1.0;
} else {
y = 2 * round ( y / 2.0);
}
if (y > 128) {
y = 128;
}
sols[i].N1 = trunc(y) - 1;
sols[i].f0 = f * y * HS_DIV_MAP[i];
} else {
sols[i].f0 = 10000000000000000.0;
}
}
imin = -1;
fmin = 10000000000000000.0;
for (i=0; i < 8; i++) {
if ((sols[i].f0 >= SI570_DCO_LOW) && (sols[i].f0 <= SI570_DCO_HIGH)) {
if (sols[i].f0 < fmin) {
fmin = sols[i].f0;
imin = i;
}
}
}
if (imin >= 0) {
solution->HS_DIV = sols[imin].HS_DIV;
solution->N1 = sols[imin].N1;
solution->f0 = sols[imin].f0;
solution->RFREQ = sols[imin].f0 / priv->osc_freq;
rig_debug(RIG_DEBUG_TRACE, "%s: solution: HS_DIV = %d, N1 = %d, f0 = %f, RFREQ = %f\n",
__func__, solution->HS_DIV, solution->N1, solution->f0, solution->RFREQ);
return 1;
} else {
solution->HS_DIV = 0;
solution->N1 = 0;
solution->f0 = 0;
solution->RFREQ = 0;
rig_debug(RIG_DEBUG_TRACE, "%s: No solution\n", __func__);
return 0;
}
}
static void setLongWord(uint32_t value, unsigned char * bytes)
{
bytes[0] = value & 0xff;
bytes[1] = ((value & 0xff00) >> 8) & 0xff;
bytes[2] = ((value & 0xff0000) >> 16) & 0xff;
bytes[3] = ((value & 0xff000000) >> 24) & 0xff;
}
int si570xxxusb_set_freq(RIG *rig, vfo_t vfo, freq_t freq)
{
struct si570xxxusb_priv_data *priv = (struct si570xxxusb_priv_data *)rig->state.priv;
struct usb_dev_handle *udh = rig->state.rigport.handle;
int ret;
unsigned char buffer[6];
int request = REQUEST_SET_FREQ;
int value = 0x700 + priv->i2c_addr;
int index = 0;
double f;
struct solution theSolution;
int RFREQ_int;
int RFREQ_frac;
unsigned char fracBuffer[4];
unsigned char intBuffer[4];
if (priv->version >= 0x0f00 || rig->caps->rig_model == RIG_MODEL_SI570PICUSB)
return si570xxxusb_set_freq_by_value(rig, vfo, freq);
f = (freq * priv->multiplier)/1e6;
calcDividers(rig, f, &theSolution);
RFREQ_int = trunc(theSolution.RFREQ);
RFREQ_frac = round((theSolution.RFREQ - RFREQ_int)*268435456);
setLongWord(RFREQ_int, intBuffer);
setLongWord(RFREQ_frac, fracBuffer);
buffer[5] = fracBuffer[0];
buffer[4] = fracBuffer[1];
buffer[3] = fracBuffer[2];
buffer[2] = fracBuffer[3];
buffer[2] = buffer[2] | ((intBuffer[0] & 0xf) << 4);
buffer[1] = RFREQ_int / 16;
buffer[1] = buffer[1] + ((theSolution.N1 & 3) << 6);
buffer[0] = theSolution.N1 / 4;
buffer[0] = buffer[0] + (theSolution.HS_DIV << 5);
ret = usb_control_msg(udh, USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_ENDPOINT_OUT,
request, value, index, (char*)buffer, sizeof(buffer), rig->state.rigport.timeout);
rig_debug(RIG_DEBUG_TRACE, "%s: Freq=%.6f MHz, Real=%.6f MHz, buf=%02x%02x%02x%02x%02x%02x\n",
__func__, freq/1e6, f,
buffer[0], buffer[1], buffer[2], buffer[3], buffer[4], buffer[5]);
if (!ret) {
rig_debug (RIG_DEBUG_ERR, "%s: usb_control_msg failed: %s\n",
__func__,
usb_strerror ());
return -RIG_EIO;
}
rig_debug(RIG_DEBUG_TRACE, "%s: Result buf=%02x%02x\n",
__func__, buffer[0], buffer[1]);
return RIG_OK;
}
int si570xxxusb_set_freq_by_value(RIG *rig, vfo_t vfo, freq_t freq)
{
struct si570xxxusb_priv_data *priv = (struct si570xxxusb_priv_data *)rig->state.priv;
struct usb_dev_handle *udh = rig->state.rigport.handle;
int ret;
unsigned char buffer[4];
int request = REQUEST_SET_FREQ_BY_VALUE;
int value = 0x700 + priv->i2c_addr;
int index = 0;
double f;
f = (freq * priv->multiplier)/1e6;
setLongWord(round(f * 2097152.0), buffer);
rig_debug(RIG_DEBUG_TRACE, "%s: Freq=%.6f MHz, Real=%.6f MHz, buf=%02x%02x%02x%02x\n",
__func__, freq/1e6, f,
buffer[0], buffer[1], buffer[2], buffer[3]);
ret = usb_control_msg(udh, USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_ENDPOINT_OUT,
request, value, index, (char*)buffer, sizeof(buffer), rig->state.rigport.timeout);
if (!ret) {
rig_debug (RIG_DEBUG_ERR, "%s: usb_control_msg failed: %s\n",
__func__,
usb_strerror ());
return -RIG_EIO;
}
rig_debug(RIG_DEBUG_TRACE, "%s: Result buf=%02x%02x\n",
__func__, buffer[0], buffer[1]);
return RIG_OK;
}
static double calculateFrequency(RIG *rig, const unsigned char * buffer)
{
struct si570xxxusb_priv_data *priv = (struct si570xxxusb_priv_data *)rig->state.priv;
int RFREQ_int = ((buffer[2] & 0xf0) >> 4) + ((buffer[1] & 0x3f) * 16);
int RFREQ_frac = (256 * 256 * 256 * (buffer[2] & 0xf)) + (256 * 256 * buffer[3]) + (256 * buffer[4]) + (buffer[5]);
double RFREQ = RFREQ_int + (RFREQ_frac / 268435456.0);
int N1 = ((buffer[1] & 0xc0 ) >> 6) + ((buffer[0] & 0x1f) * 4);
int HS_DIV = (buffer[0] & 0xE0) >> 5;
double fout = priv->osc_freq * RFREQ / ((N1 + 1) * HS_DIV_MAP[HS_DIV]);
rig_debug (RIG_DEBUG_VERBOSE,
"%s: Registers 7..13: %02x%02x%02x%02x%02x%02x\n",
__func__,
buffer[0],
buffer[1],
buffer[2],
buffer[3],
buffer[4],
buffer[5]);
rig_debug (RIG_DEBUG_VERBOSE,
"%s: RFREQ = %f, N1 = %d, HS_DIV = %d, nHS_DIV = %d, fout = %f\n",
__func__,
RFREQ, N1, HS_DIV, HS_DIV_MAP[HS_DIV], fout);
return fout;
}
int si570xxxusb_get_freq(RIG *rig, vfo_t vfo, freq_t *freq)
{
struct si570xxxusb_priv_data *priv = (struct si570xxxusb_priv_data *)rig->state.priv;
struct usb_dev_handle *udh = rig->state.rigport.handle;
unsigned char buffer[6];
int ret;
if (priv->version >= 0x0f00 || rig->caps->rig_model == RIG_MODEL_SI570PICUSB)
return si570xxxusb_get_freq_by_value(rig, vfo, freq);
ret = usb_control_msg(udh, USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_ENDPOINT_IN,
REQUEST_READ_REGISTERS, priv->i2c_addr, 0,
(char *)buffer, sizeof(buffer), rig->state.rigport.timeout);
if (ret <= 0) {
rig_debug (RIG_DEBUG_ERR, "%s: usb_control_msg failed: %s\n",
__func__,
usb_strerror ());
return -RIG_EIO;
}
*freq = (calculateFrequency(rig, buffer) / priv->multiplier)*1e6;
return RIG_OK;
}
int si570xxxusb_get_freq_by_value(RIG *rig, vfo_t vfo, freq_t *freq)
{
struct si570xxxusb_priv_data *priv = (struct si570xxxusb_priv_data *)rig->state.priv;
struct usb_dev_handle *udh = rig->state.rigport.handle;
int ret;
uint32_t iFreq;
ret = usb_control_msg(udh, USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_ENDPOINT_IN,
REQUEST_READ_FREQUENCY, 0, 0,
(char *)&iFreq, sizeof(iFreq), rig->state.rigport.timeout);
if (ret != 4) {
rig_debug (RIG_DEBUG_ERR, "%s: usb_control_msg failed: %s\n",
__func__,
usb_strerror ());
return -RIG_EIO;
}
*freq = (((double)iFreq / (1UL<<21)) / priv->multiplier)*1e6;
return RIG_OK;
}
int si570xxxusb_set_ptt(RIG * rig, vfo_t vfo, ptt_t ptt)
{
struct usb_dev_handle *udh = rig->state.rigport.handle;
int ret;
char buffer[3];
rig_debug(RIG_DEBUG_TRACE,"%s called: %d\n", __func__, ptt);
buffer[0] = 0;
buffer[1] = 0;
buffer[2] = 0;
ret = usb_control_msg(udh, USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_ENDPOINT_IN,
REQUEST_SET_PTT, (ptt == RIG_PTT_ON) ? 1 : 0, 0,
(char *)buffer, sizeof(buffer), rig->state.rigport.timeout);
if (ret < 0) {
rig_debug (RIG_DEBUG_ERR, "%s: usb_control_msg failed: %s\n",
__func__,
usb_strerror ());
return -RIG_EIO;
}
return RIG_OK;
}
#endif /* defined(HAVE_LIBUSB) && defined(HAVE_USB_H) */
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