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Hamlib/src/misc.c

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/*
* Hamlib Interface - toolbox
* Copyright (c) 2000-2011 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
*
*/
/**
* \addtogroup rig_internal
* @{
*/
/**
* \file misc.c
* \brief Miscellaneous utility routines
*/
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
#include <stdlib.h>
#include <stdarg.h>
#include <stdio.h> /* Standard input/output definitions */
#include <string.h> /* String function definitions */
#include <unistd.h> /* UNIX standard function definitions */
#include <fcntl.h> /* File control definitions */
#include <errno.h> /* Error number definitions */
#ifdef HAVE_SYS_TYPES_H
# include <sys/types.h>
#endif
#ifdef HAVE_SYS_TIME_H
# include <sys/time.h>
#endif
#include <unistd.h>
#include <hamlib/rig.h>
#include "misc.h"
/**
* \brief Convert from binary to 4-bit BCD digits, little-endian
* \param bcd_data
* \param freq
* \param bcd_len
* \return bcd_data
*
* Convert a long long (e.g. frequency in Hz) to 4-bit BCD digits,
* packed two digits per octet, in little-endian order
* (e.g. byte order 90 78 56 34 12 for 1234567890 Hz).
*
* bcd_len is the number of BCD digits, usually 10 or 8 in 1-Hz units,
* and 6 digits in 100-Hz units for Tx offset data.
*
* Hope the compiler will do a good job optimizing it (esp. w/the 64bit freq)
*
* Returns a pointer to (unsigned char *)bcd_data.
*
* \sa to_bcd_be()
*/
unsigned char * HAMLIB_API to_bcd(unsigned char bcd_data[],
unsigned long long freq,
unsigned bcd_len)
{
int i;
unsigned char a;
rig_debug(RIG_DEBUG_VERBOSE, "%s called\n", __func__);
/* '450'/4-> 5,0;0,4 */
/* '450'/3-> 5,0;x,4 */
for (i = 0; i < bcd_len / 2; i++)
{
a = freq % 10;
freq /= 10;
a |= (freq % 10) << 4;
freq /= 10;
bcd_data[i] = a;
}
if (bcd_len & 1)
{
bcd_data[i] &= 0xf0;
bcd_data[i] |= freq % 10; /* NB: high nibble is left uncleared */
}
return bcd_data;
}
/**
* \brief Convert BCD digits, little-endian, to a long long (e.g. frequency in Hz)
* \param bcd_data
* \param bcd_len
* \return binary result (e.g. frequency)
*
* Convert BCD digits, little-endian, (byte order 90 78 56 34 12
* for 1234567890 Hz) to a long long (e.g. frequency in Hz)
*
* bcd_len is the number of BCD digits.
*
* Hope the compiler will do a good job optimizing it (esp. w/ the 64bit freq)
*
* Returns frequency in Hz an unsigned long long integer.
*
* \sa from_bcd_be()
*/
unsigned long long HAMLIB_API from_bcd(const unsigned char bcd_data[],
unsigned bcd_len)
{
int i;
freq_t f = 0;
rig_debug(RIG_DEBUG_VERBOSE, "%s called\n", __func__);
if (bcd_len & 1)
{
f = bcd_data[bcd_len / 2] & 0x0f;
}
for (i = (bcd_len / 2) - 1; i >= 0; i--)
{
f *= 10;
f += bcd_data[i] >> 4;
f *= 10;
f += bcd_data[i] & 0x0f;
}
return f;
}
/**
* \brief Convert from binary to 4-bit BCD digits, big-endian
* \param bcd_data
* \param freq
* \param bcd_len
* \return bcd_data
*
* Same as to_bcd, but in big-endian order
* (e.g. byte order 12 34 56 78 90 for 1234567890 Hz)
*
* \sa to_bcd()
*/
unsigned char * HAMLIB_API to_bcd_be(unsigned char bcd_data[],
unsigned long long freq,
unsigned bcd_len)
{
int i;
unsigned char a;
/* '450'/4 -> 0,4;5,0 */
/* '450'/3 -> 4,5;0,x */
rig_debug(RIG_DEBUG_VERBOSE, "%s called\n", __func__);
if (bcd_len & 1)
{
bcd_data[bcd_len / 2] &= 0x0f;
bcd_data[bcd_len / 2] |= (freq % 10) <<
4; /* NB: low nibble is left uncleared */
freq /= 10;
}
for (i = (bcd_len / 2) - 1; i >= 0; i--)
{
a = freq % 10;
freq /= 10;
a |= (freq % 10) << 4;
freq /= 10;
bcd_data[i] = a;
}
return bcd_data;
}
/**
* \brief Convert 4-bit BCD digits to binary, big-endian
* \param bcd_data
* \param bcd_len
* \return binary result
*
* Same as from_bcd, but in big-endian order
* (e.g. byte order 12 34 56 78 90 for 1234567890 Hz)
*
* \sa from_bcd()
*/
unsigned long long HAMLIB_API from_bcd_be(const unsigned char bcd_data[],
unsigned bcd_len)
{
int i;
freq_t f = 0;
rig_debug(RIG_DEBUG_VERBOSE, "%s called\n", __func__);
for (i = 0; i < bcd_len / 2; i++)
{
f *= 10;
f += bcd_data[i] >> 4;
f *= 10;
f += bcd_data[i] & 0x0f;
}
if (bcd_len & 1)
{
f *= 10;
f += bcd_data[bcd_len / 2] >> 4;
}
return f;
}
#ifndef llabs
#define llabs(a) ((a)<0?-(a):(a))
#endif
/**
* \brief Pretty print a frequency
* \param str for result (may need up to 17 char)
* \param freq input in Hz
*
* rig_freq_snprintf?
* pretty print frequencies
* str must be long enough. max can be as long as 17 chars
*/
int HAMLIB_API sprintf_freq(char *str, freq_t freq)
{
double f;
char *hz;
rig_debug(RIG_DEBUG_VERBOSE, "%s called\n", __func__);
if (llabs(freq) >= GHz(1))
{
hz = "GHz";
f = (double)freq / GHz(1);
}
else if (llabs(freq) >= MHz(1))
{
hz = "MHz";
f = (double)freq / MHz(1);
}
else if (llabs(freq) >= kHz(1))
{
hz = "kHz";
f = (double)freq / kHz(1);
}
else
{
hz = "Hz";
f = (double)freq;
}
return sprintf(str, "%g %s", f, hz);
}
/**
* \brief Convert enum RIG_STATUS_... to printable string
* \param status RIG_STATUS_??
* \return string
*/
const char * HAMLIB_API rig_strstatus(enum rig_status_e status)
{
rig_debug(RIG_DEBUG_VERBOSE, "%s called\n", __func__);
switch (status)
{
case RIG_STATUS_ALPHA:
return "Alpha";
case RIG_STATUS_UNTESTED:
return "Untested";
case RIG_STATUS_BETA:
return "Beta";
case RIG_STATUS_STABLE:
return "Stable";
case RIG_STATUS_BUGGY:
return "Buggy";
}
return "";
}
static struct
{
rmode_t mode;
const char *str;
} mode_str[] =
{
{ RIG_MODE_AM, "AM" },
{ RIG_MODE_CW, "CW" },
{ RIG_MODE_USB, "USB" },
{ RIG_MODE_LSB, "LSB" },
{ RIG_MODE_RTTY, "RTTY" },
{ RIG_MODE_FM, "FM" },
{ RIG_MODE_WFM, "WFM" },
{ RIG_MODE_CWR, "CWR" },
{ RIG_MODE_RTTYR, "RTTYR" },
{ RIG_MODE_AMS, "AMS" },
{ RIG_MODE_PKTLSB, "PKTLSB" },
{ RIG_MODE_PKTUSB, "PKTUSB" },
{ RIG_MODE_PKTFM, "PKTFM" },
{ RIG_MODE_ECSSUSB, "ECSSUSB" },
{ RIG_MODE_ECSSLSB, "ECSSLSB" },
{ RIG_MODE_FAX, "FAX" },
{ RIG_MODE_SAM, "SAM" },
{ RIG_MODE_SAL, "SAL" },
{ RIG_MODE_SAH, "SAH" },
{ RIG_MODE_DSB, "DSB"},
{ RIG_MODE_FMN, "FMN" },
{ RIG_MODE_PKTAM, "PKTAM"},
{ RIG_MODE_P25, "P25"},
{ RIG_MODE_DSTAR, "D-STAR"},
{ RIG_MODE_DPMR, "DPMR"},
{ RIG_MODE_NXDNVN, "NXDN-VN"},
{ RIG_MODE_NXDN_N, "NXDN-N"},
{ RIG_MODE_DCR, "DCR"},
{ RIG_MODE_AMN, "AMN"},
{ RIG_MODE_PSK, "PSK"},
{ RIG_MODE_PSKR, "PSKR"},
{ RIG_MODE_NONE, "" },
};
/**
* \brief Convert alpha string to enum RIG_MODE
* \param s input alpha string
* \return enum RIG_MODE_??
*
* \sa rmode_t
*/
rmode_t HAMLIB_API rig_parse_mode(const char *s)
{
int i;
rig_debug(RIG_DEBUG_VERBOSE, "%s called\n", __func__);
for (i = 0 ; mode_str[i].str[0] != '\0'; i++)
{
if (!strcmp(s, mode_str[i].str))
{
return mode_str[i].mode;
}
}
return RIG_MODE_NONE;
}
/**
* \brief Convert enum RIG_MODE to alpha string
* \param mode RIG_MODE_...
* \return alpha string
*
* \sa rmode_t
*/
const char * HAMLIB_API rig_strrmode(rmode_t mode)
{
int i;
rig_debug(RIG_DEBUG_TRACE, "%s called mode=0x%"PRXll"\n", __func__, mode);
if (mode == RIG_MODE_NONE)
{
return "";
}
for (i = 0 ; mode_str[i].str[0] != '\0'; i++)
{
if (mode == mode_str[i].mode)
{
return mode_str[i].str;
}
}
return "";
}
static struct
{
vfo_t vfo;
const char *str;
} vfo_str[] =
{
{ RIG_VFO_A, "VFOA" },
{ RIG_VFO_B, "VFOB" },
{ RIG_VFO_C, "VFOC" },
{ RIG_VFO_CURR, "currVFO" },
{ RIG_VFO_MEM, "MEM" },
{ RIG_VFO_VFO, "VFO" },
{ RIG_VFO_TX, "TX" },
{ RIG_VFO_RX, "RX" },
{ RIG_VFO_MAIN, "Main" },
{ RIG_VFO_SUB, "Sub" },
{ RIG_VFO_NONE, "" },
};
/**
* \brief Convert alpha string to enum RIG_VFO_...
* \param s input alpha string
* \return RIG_VFO_...
*
* \sa RIG_VFO_A RIG_VFO_B RIG_VFO_C RIG_VFO_MAIN RIG_VFO_SUB RIG_VFO_VFO RIG_VFO_CURR RIG_VFO_MEM RIG_VFO_TX RIG_VFO_RX RIG_VFO_NONE
*/
vfo_t HAMLIB_API rig_parse_vfo(const char *s)
{
int i;
rig_debug(RIG_DEBUG_VERBOSE, "%s called\n", __func__);
for (i = 0 ; vfo_str[i].str[0] != '\0'; i++)
{
if (!strcmp(s, vfo_str[i].str))
{
return vfo_str[i].vfo;
}
}
return RIG_VFO_NONE;
}
/**
* \brief Convert enum RIG_VFO_... to alpha string
* \param vfo RIG_VFO_...
* \return alpha string
*
* \sa RIG_VFO_A RIG_VFO_B RIG_VFO_C RIG_VFO_MAIN RIG_VFO_SUB RIG_VFO_VFO RIG_VFO_CURR RIG_VFO_MEM RIG_VFO_TX RIG_VFO_RX RIG_VFO_NONE
*/
const char * HAMLIB_API rig_strvfo(vfo_t vfo)
{
int i;
rig_debug(RIG_DEBUG_TRACE, "%s called\n", __func__);
if (vfo == RIG_VFO_NONE)
{
return "";
}
for (i = 0 ; vfo_str[i].str[0] != '\0'; i++)
{
if (vfo == vfo_str[i].vfo)
{
return vfo_str[i].str;
}
}
return "";
}
static struct
{
setting_t func;
const char *str;
} func_str[] =
{
{ RIG_FUNC_FAGC, "FAGC" },
{ RIG_FUNC_NB, "NB" },
{ RIG_FUNC_COMP, "COMP" },
{ RIG_FUNC_VOX, "VOX" },
{ RIG_FUNC_TONE, "TONE" },
{ RIG_FUNC_TSQL, "TSQL" },
{ RIG_FUNC_SBKIN, "SBKIN" },
{ RIG_FUNC_FBKIN, "FBKIN" },
{ RIG_FUNC_ANF, "ANF" },
{ RIG_FUNC_NR, "NR" },
{ RIG_FUNC_AIP, "AIP" },
{ RIG_FUNC_APF, "APF" },
{ RIG_FUNC_MON, "MON" },
{ RIG_FUNC_MN, "MN" },
{ RIG_FUNC_RF, "RF" },
{ RIG_FUNC_ARO, "ARO" },
{ RIG_FUNC_LOCK, "LOCK" },
{ RIG_FUNC_MUTE, "MUTE" },
{ RIG_FUNC_VSC, "VSC" },
{ RIG_FUNC_REV, "REV" },
{ RIG_FUNC_SQL, "SQL" },
{ RIG_FUNC_ABM, "ABM" },
{ RIG_FUNC_BC, "BC" },
{ RIG_FUNC_MBC, "MBC" },
{ RIG_FUNC_RIT, "RIT" },
{ RIG_FUNC_AFC, "AFC" },
{ RIG_FUNC_SATMODE, "SATMODE" },
{ RIG_FUNC_SCOPE, "SCOPE" },
{ RIG_FUNC_RESUME, "RESUME" },
{ RIG_FUNC_TBURST, "TBURST" },
{ RIG_FUNC_TUNER, "TUNER" },
{ RIG_FUNC_XIT, "XIT" },
{ RIG_FUNC_NB2, "NB2" },
{ RIG_FUNC_DSQL, "DSQL" },
{ RIG_FUNC_AFLT, "AFLT" },
{ RIG_FUNC_ANL, "ANL" },
{ RIG_FUNC_BC2, "BC2" },
{ RIG_FUNC_DUAL_WATCH, "DUAL_WATCH"},
{ RIG_FUNC_DIVERSITY, "DIVERSITY"},
{ RIG_FUNC_NONE, "" },
};
/**
* utility function to convert index to bit value
*
*/
uint64_t rig_idx2setting(int i)
{
return 1ULL << i;
}
/**
* \brief Convert alpha string to enum RIG_FUNC_...
* \param s input alpha string
* \return RIG_FUNC_...
*
* \sa rig_func_e()
*/
setting_t HAMLIB_API rig_parse_func(const char *s)
{
int i;
rig_debug(RIG_DEBUG_VERBOSE, "%s called\n", __func__);
for (i = 0 ; func_str[i].str[0] != '\0'; i++)
{
if (!strcmp(s, func_str[i].str))
{
return func_str[i].func;
}
}
return RIG_FUNC_NONE;
}
/**
* \brief Convert enum RIG_FUNC_... to alpha string
* \param func RIG_FUNC_...
* \return alpha string
*
* \sa rig_func_e()
*/
const char * HAMLIB_API rig_strfunc(setting_t func)
{
int i;
rig_debug(RIG_DEBUG_VERBOSE, "%s called\n", __func__);
if (func == RIG_FUNC_NONE)
{
return "";
}
for (i = 0; func_str[i].str[0] != '\0'; i++)
{
if (func == func_str[i].func)
{
return func_str[i].str;
}
}
return "";
}
static struct
{
setting_t level;
const char *str;
} level_str[] =
{
{ RIG_LEVEL_PREAMP, "PREAMP" },
{ RIG_LEVEL_ATT, "ATT" },
{ RIG_LEVEL_VOX, "VOX" },
{ RIG_LEVEL_AF, "AF" },
{ RIG_LEVEL_RF, "RF" },
{ RIG_LEVEL_SQL, "SQL" },
{ RIG_LEVEL_IF, "IF" },
{ RIG_LEVEL_APF, "APF" },
{ RIG_LEVEL_NR, "NR" },
{ RIG_LEVEL_PBT_IN, "PBT_IN" },
{ RIG_LEVEL_PBT_OUT, "PBT_OUT" },
{ RIG_LEVEL_CWPITCH, "CWPITCH" },
{ RIG_LEVEL_RFPOWER, "RFPOWER" },
{ RIG_LEVEL_MICGAIN, "MICGAIN" },
{ RIG_LEVEL_KEYSPD, "KEYSPD" },
{ RIG_LEVEL_NOTCHF, "NOTCHF" },
{ RIG_LEVEL_COMP, "COMP" },
{ RIG_LEVEL_AGC, "AGC" },
{ RIG_LEVEL_BKINDL, "BKINDL" },
{ RIG_LEVEL_BALANCE, "BAL" },
{ RIG_LEVEL_METER, "METER" },
{ RIG_LEVEL_VOXGAIN, "VOXGAIN" },
{ RIG_LEVEL_ANTIVOX, "ANTIVOX" },
{ RIG_LEVEL_SLOPE_LOW, "SLOPE_LOW" },
{ RIG_LEVEL_SLOPE_HIGH, "SLOPE_HIGH" },
{ RIG_LEVEL_BKIN_DLYMS, "BKIN_DLYMS" },
{ RIG_LEVEL_RAWSTR, "RAWSTR" },
{ RIG_LEVEL_SQLSTAT, "SQLSTAT" },
{ RIG_LEVEL_SWR, "SWR" },
{ RIG_LEVEL_ALC, "ALC" },
{ RIG_LEVEL_STRENGTH, "STRENGTH" },
{ RIG_LEVEL_RFPOWER_METER, "RFPOWER_METER" },
{ RIG_LEVEL_COMP_METER, "COMP_METER" },
{ RIG_LEVEL_VD_METER, "VD_METER" },
{ RIG_LEVEL_ID_METER, "ID_METER" },
{ RIG_LEVEL_NOTCHF_RAW, "NOTCHF_RAW" },
{ RIG_LEVEL_MONITOR_GAIN, "MONITOR_GAIN" },
{ RIG_LEVEL_NONE, "" },
};
/**
* \brief Convert alpha string to enum RIG_LEVEL_...
* \param s input alpha string
* \return RIG_LEVEL_...
*
* \sa rig_level_e()
*/
setting_t HAMLIB_API rig_parse_level(const char *s)
{
int i;
rig_debug(RIG_DEBUG_VERBOSE, "%s called\n", __func__);
for (i = 0 ; level_str[i].str[0] != '\0'; i++)
{
if (!strcmp(s, level_str[i].str))
{
return level_str[i].level;
}
}
return RIG_LEVEL_NONE;
}
/**
* \brief Convert enum RIG_LEVEL_... to alpha string
* \param level RIG_LEVEL_...
* \return alpha string
*
* \sa rig_level_e()
*/
const char * HAMLIB_API rig_strlevel(setting_t level)
{
int i;
rig_debug(RIG_DEBUG_VERBOSE, "%s called\n", __func__);
if (level == RIG_LEVEL_NONE)
{
return "";
}
for (i = 0; level_str[i].str[0] != '\0'; i++)
{
if (level == level_str[i].level)
{
return level_str[i].str;
}
}
return "";
}
static struct
{
setting_t parm;
const char *str;
} parm_str[] =
{
{ RIG_PARM_ANN, "ANN" },
{ RIG_PARM_APO, "APO" },
{ RIG_PARM_BACKLIGHT, "BACKLIGHT" },
{ RIG_PARM_BEEP, "BEEP" },
{ RIG_PARM_TIME, "TIME" },
{ RIG_PARM_BAT, "BAT" },
{ RIG_PARM_KEYLIGHT, "KEYLIGHT"},
{ RIG_PARM_NONE, "" },
};
/**
* \brief Convert alpha string to RIG_PARM_...
* \param s input alpha string
* \return RIG_PARM_...
*
* \sa rig_parm_e()
*/
setting_t HAMLIB_API rig_parse_parm(const char *s)
{
int i;
rig_debug(RIG_DEBUG_VERBOSE, "%s called\n", __func__);
for (i = 0 ; parm_str[i].str[0] != '\0'; i++)
{
if (!strcmp(s, parm_str[i].str))
{
return parm_str[i].parm;
}
}
return RIG_PARM_NONE;
}
/**
* \brief Convert enum RIG_PARM_... to alpha string
* \param parm RIG_PARM_...
* \return alpha string
*
* \sa rig_parm_e()
*/
const char * HAMLIB_API rig_strparm(setting_t parm)
{
int i;
rig_debug(RIG_DEBUG_VERBOSE, "%s called\n", __func__);
if (parm == RIG_PARM_NONE)
{
return "";
}
for (i = 0; parm_str[i].str[0] != '\0'; i++)
{
if (parm == parm_str[i].parm)
{
return parm_str[i].str;
}
}
return "";
}
static struct
{
vfo_op_t vfo_op;
const char *str;
} vfo_op_str[] =
{
{ RIG_OP_CPY, "CPY" },
{ RIG_OP_XCHG, "XCHG" },
{ RIG_OP_FROM_VFO, "FROM_VFO" },
{ RIG_OP_TO_VFO, "TO_VFO" },
{ RIG_OP_MCL, "MCL" },
{ RIG_OP_UP, "UP" },
{ RIG_OP_DOWN, "DOWN" },
{ RIG_OP_BAND_UP, "BAND_UP" },
{ RIG_OP_BAND_DOWN, "BAND_DOWN" },
{ RIG_OP_LEFT, "LEFT" },
{ RIG_OP_RIGHT, "RIGHT" },
{ RIG_OP_TUNE, "TUNE" },
{ RIG_OP_TOGGLE, "TOGGLE" },
{ RIG_OP_NONE, "" },
};
/**
* \brief Convert alpha string to enum RIG_OP_...
* \param s alpha string
* \return RIG_OP_...
*
* \sa vfo_op_t()
*/
vfo_op_t HAMLIB_API rig_parse_vfo_op(const char *s)
{
int i;
rig_debug(RIG_DEBUG_VERBOSE, "%s called\n", __func__);
for (i = 0 ; vfo_op_str[i].str[0] != '\0'; i++)
{
if (!strcmp(s, vfo_op_str[i].str))
{
return vfo_op_str[i].vfo_op;
}
}
return RIG_OP_NONE;
}
/**
* \brief Convert enum RIG_OP_... to alpha string
* \param op RIG_OP_...
* \return alpha string
*
* \sa vfo_op_t()
*/
const char * HAMLIB_API rig_strvfop(vfo_op_t op)
{
int i;
rig_debug(RIG_DEBUG_VERBOSE, "%s called\n", __func__);
if (op == RIG_OP_NONE)
{
return "";
}
for (i = 0; vfo_op_str[i].str[0] != '\0'; i++)
{ if (op == vfo_op_str[i].vfo_op)
{
return vfo_op_str[i].str;
}
}
return "";
}
static struct
{
scan_t rscan;
const char *str;
} scan_str[] =
{
{ RIG_SCAN_STOP, "STOP" },
{ RIG_SCAN_MEM, "MEM" },
{ RIG_SCAN_SLCT, "SLCT" },
{ RIG_SCAN_PRIO, "PRIO" },
{ RIG_SCAN_PROG, "PROG" },
{ RIG_SCAN_DELTA, "DELTA" },
{ RIG_SCAN_VFO, "VFO" },
{ RIG_SCAN_PLT, "PLT" },
{ RIG_SCAN_NONE, "" },
{ -1, NULL }
};
/**
* \brief Convert alpha string to enum RIG_SCAN_...
* \param s alpha string
* \return RIG_SCAN_...
*
* \sa scan_t()
*/
scan_t HAMLIB_API rig_parse_scan(const char *s)
{
int i;
rig_debug(RIG_DEBUG_VERBOSE, "%s called\n", __func__);
for (i = 0 ; scan_str[i].str[0] != '\0'; i++)
{
if (strcmp(s, scan_str[i].str) == 0)
{
return scan_str[i].rscan;
}
}
return RIG_SCAN_NONE;
}
/**
* \brief Convert enum RIG_SCAN_... to alpha string
* \param rscan RIG_SCAN_...
* \return alpha string
*
* \sa scan_t()
*/
const char * HAMLIB_API rig_strscan(scan_t rscan)
{
int i;
rig_debug(RIG_DEBUG_VERBOSE, "%s called\n", __func__);
if (rscan == RIG_SCAN_NONE)
{
return "";
}
for (i = 0; scan_str[i].str[0] != '\0'; i++)
{ if (rscan == scan_str[i].rscan)
{
return scan_str[i].str;
}
}
return "";
}
/**
* \brief convert enum RIG_RPT_SHIFT_... to printable character
* \param shift RIG_RPT_SHIFT_??
* \return alpha character
*/
const char *HAMLIB_API rig_strptrshift(rptr_shift_t shift)
{
rig_debug(RIG_DEBUG_VERBOSE, "%s called\n", __func__);
switch (shift)
{
case RIG_RPT_SHIFT_MINUS:
return "-";
case RIG_RPT_SHIFT_PLUS:
return "+";
case RIG_RPT_SHIFT_NONE:
return "None";
}
return NULL;
}
/**
* \brief Convert alpha char to enum RIG_RPT_SHIFT_...
* \param s alpha char
* \return RIG_RPT_SHIFT_...
*/
rptr_shift_t HAMLIB_API rig_parse_rptr_shift(const char *s)
{
rig_debug(RIG_DEBUG_VERBOSE, "%s called\n", __func__);
if (strcmp(s, "+") == 0)
{
return RIG_RPT_SHIFT_PLUS;
}
else if (strcmp(s, "-") == 0)
{
return RIG_RPT_SHIFT_MINUS;
}
else
{
return RIG_RPT_SHIFT_NONE;
}
}
static struct
{
chan_type_t mtype;
const char *str;
} mtype_str[] =
{
{ RIG_MTYPE_MEM, "MEM" },
{ RIG_MTYPE_EDGE, "EDGE" },
{ RIG_MTYPE_CALL, "CALL" },
{ RIG_MTYPE_MEMOPAD, "MEMOPAD" },
{ RIG_MTYPE_SAT, "SAT" },
{ RIG_MTYPE_BAND, "BAND" },
{ RIG_MTYPE_PRIO, "PRIO" },
{ RIG_MTYPE_NONE, "" },
};
/**
* \brief Convert alpha string to enum RIG_MTYPE_...
* \param s alpha string
* \return RIG_MTYPE_...
*
* \sa chan_type_t()
*/
chan_type_t HAMLIB_API rig_parse_mtype(const char *s)
{
int i;
rig_debug(RIG_DEBUG_VERBOSE, "%s called\n", __func__);
for (i = 0 ; mtype_str[i].str[0] != '\0'; i++)
{
if (strcmp(s, mtype_str[i].str) == 0)
{
return mtype_str[i].mtype;
}
}
return RIG_MTYPE_NONE;
}
/**
* \brief Convert enum RIG_MTYPE_... to alpha string
* \param mtype RIG_MTYPE_...
* \return alpha string
*
* \sa chan_type_t()
*/
const char * HAMLIB_API rig_strmtype(chan_type_t mtype)
{
int i;
rig_debug(RIG_DEBUG_VERBOSE, "%s called\n", __func__);
if (mtype == RIG_MTYPE_NONE)
{
return "";
}
for (i = 0; mtype_str[i].str[0] != '\0'; i++)
{
if (mtype == mtype_str[i].mtype)
{
return mtype_str[i].str;
}
}
return "";
}
static long timediff(const struct timeval *tv1, const struct timeval *tv2)
{
struct timeval tv;
tv.tv_usec = tv1->tv_usec - tv2->tv_usec;
tv.tv_sec = tv1->tv_sec - tv2->tv_sec;
return ((tv.tv_sec * 1000L) + (tv.tv_usec / 1000L));
}
/**
* \brief Helper for checking cache timeout
* \param tv pointer to timeval, date of cache
* \param timeout duration of cache validity, in millisec
* \return 1 when timed out, 0 when cache shall be used
*/
int HAMLIB_API rig_check_cache_timeout(const struct timeval *tv, int timeout)
{
struct timeval curr;
long t;
rig_debug(RIG_DEBUG_VERBOSE, "%s called\n", __func__);
if (tv->tv_sec == 0 && tv->tv_usec == 0)
{
rig_debug(RIG_DEBUG_VERBOSE,
"%s: forced cache timeout\n",
__func__);
return 1;
}
gettimeofday(&curr, NULL);
t = timediff(&curr, tv);
if (t < timeout)
{
rig_debug(RIG_DEBUG_VERBOSE,
"%s: using cache (%ld ms)\n",
__func__,
t);
return 0;
}
else
{
rig_debug(RIG_DEBUG_VERBOSE,
"%s: cache timed out (%ld ms)\n",
__func__,
t);
return 1;
}
}
/**
* \brief Helper for forcing cache timeout next call
*
* This function is typically to be called in backend_set_* functions,
* so that a sequence:
*
\code
rig_get_freq();
rig_set_freq();
rig_get_freq();
\endcode
*
* doesn't return a bogus (cached) value in the last rig_get_freq().
*
* \param tv pointer to timeval to be reset
*/
void HAMLIB_API rig_force_cache_timeout(struct timeval *tv)
{
rig_debug(RIG_DEBUG_VERBOSE, "%s called\n", __func__);
tv->tv_sec = 0;
tv->tv_usec = 0;
}
int no_restore_ai;
void HAMLIB_API rig_no_restore_ai()
{
rig_debug(RIG_DEBUG_VERBOSE, "%s called\n", __func__);
no_restore_ai = -1;
}
/** @} */
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