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https://github.com/Hamlib/Hamlib
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1229a0a42a
Various strncpy operations could result in a port pathname that is not a NULL terminated string as the allowed string length is the same size as the buffer per the strncpy manual page. This is corrected by assuring that the allowed length is FILPATHLEN - 1.
80 lines
2.9 KiB
C
80 lines
2.9 KiB
C
/* This is a elementary program calling Hamlib to do some useful things.
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*
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* Edit to specify your rig model and serial port, and baud rate
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* before compiling.
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* To compile:
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* gcc -L/usr/local/lib -lhamlib -o example example.c
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* if hamlib is installed in /usr/local/...
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*
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*/
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#include <stdio.h>
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#include <string.h>
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#include <hamlib/rig.h>
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#include <hamlib/riglist.h>
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int main() {
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RIG *my_rig;
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char *rig_file, *info_buf, *mm;
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freq_t freq;
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value_t rawstrength, power, strength;
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float s_meter, rig_raw2val();
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int status, retcode, isz, mwpower;
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rmode_t mode;
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pbwidth_t width;
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/* Set verbosity level */
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rig_set_debug(RIG_DEBUG_ERR); // errors only
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/* Instantiate a rig */
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my_rig = rig_init(RIG_MODEL_TT565); // your rig model.
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/* Set up serial port, baud rate */
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rig_file = "/dev/ttyUSB0"; // your serial device
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strncpy(my_rig->state.rigport.pathname, rig_file, FILPATHLEN - 1);
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my_rig->state.rigport.parm.serial.rate = 57600; // your baud rate
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/* Open my rig */
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retcode = rig_open(my_rig);
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/* Give me ID info, e.g., firmware version. */
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info_buf = (char *)rig_get_info(my_rig);
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printf("Rig_info: '%s'\n", info_buf);
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/* Note: As a general practice, we should check to see if a given
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* function is within the rig's capabilities before calling it, but
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* we are simplifying here. Also, we should check each call's returned
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* status in case of error. (That's an inelegant way to catch an unsupported
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* operation.)
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*/
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/* Main VFO frequency */
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status = rig_get_freq(my_rig, RIG_VFO_CURR, &freq);
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printf("VFO freq. = %.1f Hz\n", freq);
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/* Current mode */
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status = rig_get_mode(my_rig, RIG_VFO_CURR, &mode, &width);
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switch(mode) {
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case RIG_MODE_USB: mm = "USB"; break;
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case RIG_MODE_LSB: mm = "LSB"; break;
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case RIG_MODE_CW: mm = "CW"; break;
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case RIG_MODE_CWR: mm = "CWR"; break;
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case RIG_MODE_AM: mm = "AM"; break;
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case RIG_MODE_FM: mm = "FM"; break;
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case RIG_MODE_WFM: mm = "WFM"; break;
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case RIG_MODE_RTTY:mm = "RTTY"; break;
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default: mm = "unrecognized"; break; /* there are more possibilities! */
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}
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printf("Current mode = 0x%X = %s, width = %d\n", mode, mm, width);
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/* rig power output */
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status = rig_get_level(my_rig, RIG_VFO_CURR, RIG_LEVEL_RFPOWER, &power);
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printf("RF Power relative setting = %.3f (0.0 - 1.0)\n", power.f);
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/* Convert power reading to watts */
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status = rig_power2mW(my_rig, &mwpower, power.f, freq, mode);
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printf("RF Power calibrated = %.1f Watts\n", mwpower/1000.);
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/* Raw and calibrated S-meter values */
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status = rig_get_level(my_rig, RIG_VFO_CURR, RIG_LEVEL_RAWSTR,
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&rawstrength);
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printf("Raw receive strength = %d\n", rawstrength.i);
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isz = my_rig->caps->str_cal.size;
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s_meter = rig_raw2val(rawstrength.i, &my_rig->caps->str_cal);
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printf("S-meter value = %.2f dB relative to S9\n", s_meter);
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/* now try using RIG_LEVEL_STRENGTH itself */
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status = rig_get_strength(my_rig, RIG_VFO_CURR, &strength);
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printf("LEVEL_STRENGTH returns %d\n", strength.i);
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};
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