/*  This is a elementary program calling Hamlib to do some useful things.
 *  
 *  Edit to specify your rig model and serial port, and baud rate
 *  before compiling.
 *  To compile:
 *  	gcc -L/usr/local/lib -lhamlib -o example example.c
 *  	if hamlib is installed in /usr/local/...
 *
 */

#include <stdio.h>
#include <string.h>
#include <hamlib/rig.h>
#include <hamlib/riglist.h>

int main() {
	RIG *my_rig;
	char *rig_file, *info_buf, *mm;
	freq_t freq;
	value_t rawstrength, power, strength;
	float s_meter, rig_raw2val();
	int status, retcode, isz, mwpower;
	rmode_t mode;
	pbwidth_t width;

/* Set verbosity level */
	rig_set_debug(RIG_DEBUG_ERR);       // errors only
/* Instantiate a rig */
	my_rig = rig_init(RIG_MODEL_TT565); // your rig model.
/* Set up serial port, baud rate */
	rig_file = "/dev/ttyUSB0";        // your serial device
	strncpy(my_rig->state.rigport.pathname, rig_file, FILPATHLEN);
	my_rig->state.rigport.parm.serial.rate = 57600; // your baud rate
/* Open my rig */
	retcode = rig_open(my_rig);
/* Give me ID info, e.g., firmware version. */
	info_buf = (char *)rig_get_info(my_rig);
	printf("Rig_info: '%s'\n", info_buf);

/* Note: As a general practice, we should check to see if a given
 * function is within the rig's capabilities before calling it, but 
 * we are simplifying here. Also, we should check each call's returned
 * status in case of error.  (That's an inelegant way to catch an unsupported
 * operation.)
 */

/* Main VFO frequency */
	status = rig_get_freq(my_rig, RIG_VFO_CURR, &freq);
	printf("VFO freq. = %.1f Hz\n", freq);
/* Current mode */
	status = rig_get_mode(my_rig, RIG_VFO_CURR, &mode, &width);
	switch(mode) {
		case RIG_MODE_USB: mm = "USB"; break;
		case RIG_MODE_LSB: mm = "LSB"; break;
		case RIG_MODE_CW:  mm = "CW"; break;
		case RIG_MODE_CWR: mm = "CWR"; break;
		case RIG_MODE_AM:  mm = "AM"; break;
		case RIG_MODE_FM:  mm = "FM"; break;
		case RIG_MODE_WFM: mm = "WFM"; break;
		case RIG_MODE_RTTY:mm = "RTTY"; break;
		default: mm = "unrecognized"; break; /* there are more possibilities! */
		}
	printf("Current mode = 0x%X = %s, width = %d\n", mode, mm, width);
/* rig power output */
	status = rig_get_level(my_rig, RIG_VFO_CURR, RIG_LEVEL_RFPOWER, &power);
	printf("RF Power relative setting = %.3f (0.0 - 1.0)\n", power.f);
/* Convert power reading to watts */
	status = rig_power2mW(my_rig, &mwpower, power.f, freq, mode);
	printf("RF Power calibrated = %.1f Watts\n", mwpower/1000.);
/* Raw and calibrated S-meter values */
	status = rig_get_level(my_rig, RIG_VFO_CURR, RIG_LEVEL_RAWSTR,
		&rawstrength);
	printf("Raw receive strength = %d\n", rawstrength.i);
	isz = my_rig->caps->str_cal.size;
	s_meter = rig_raw2val(rawstrength.i, &my_rig->caps->str_cal);
	printf("S-meter value = %.2f dB relative to S9\n", s_meter);
	/* now try using RIG_LEVEL_STRENGTH itself */
	status = rig_get_strength(my_rig, RIG_VFO_CURR, &strength);
	printf("LEVEL_STRENGTH returns %d\n", strength.i);
};