static void v29_rx_status(void *user_data, int status)
{
v29_rx_state_t *rx;
int i;
int len;
#if defined(SPANDSP_USE_FIXED_POINT)
complexi16_t *coeffs;
#else
complexf_t *coeffs;
#endif
printf("V.29 rx status is %s (%d)\n", signal_status_to_str(status), status);
rx = (v29_rx_state_t *) user_data;
switch (status)
{
case SIG_STATUS_TRAINING_SUCCEEDED:
printf("Training succeeded\n");
#if defined(SPANDSP_USE_FIXED_POINT)
len = v29_rx_equalizer_state(rx, &coeffs);
printf("Equalizer:\n");
for (i = 0; i < len; i++)
printf("%3d (%15.5f, %15.5f)\n", i, coeffs[i].re/4096.0f, coeffs[i].im/4096.0f);
#else
len = v29_rx_equalizer_state(rx, &coeffs);
printf("Equalizer:\n");
for (i = 0; i < len; i++)
printf("%3d (%15.5f, %15.5f) -> %15.5f\n", i, coeffs[i].re, coeffs[i].im, powerf(&coeffs[i]));
#endif
break;
}
}
static void v29_rx_status(void *user_data, int status)
{
v29_rx_state_t *s;
int i;
int len;
#if defined(SPANDSP_USE_FIXED_POINT)
complexi16_t *coeffs;
#else
complexf_t *coeffs;
#endif
printf("V.29 rx status is %s (%d)\n", signal_status_to_str(status), status);
s = (v29_rx_state_t *) user_data;
switch (status)
{
case SIG_STATUS_TRAINING_SUCCEEDED:
printf("Training succeeded\n");
if ((len = v29_rx_equalizer_state(s, &coeffs)))
{
printf("Equalizer:\n");
for (i = 0; i < len; i++)
#if defined(SPANDSP_USE_FIXED_POINT)
printf("%3d (%15.5f, %15.5f)\n", i, coeffs[i].re/V29_CONSTELLATION_SCALING_FACTOR, coeffs[i].im/V29_CONSTELLATION_SCALING_FACTOR);
#else
printf("%3d (%15.5f, %15.5f) -> %15.5f\n", i, coeffs[i].re, coeffs[i].im, powerf(&coeffs[i]));
#endif
}
break;
}
}
static void qam_report(void *user_data, const complexf_t *constel, const complexf_t *target, int symbol)
#endif
{
int i;
int len;
#if defined(SPANDSP_USE_FIXED_POINT)
complexi16_t *coeffs;
#else
complexf_t *coeffs;
#endif
complexf_t constel_point;
complexf_t target_point;
float fpower;
v29_rx_state_t *rx;
static float smooth_power = 0.0f;
static int update_interval = 100;
rx = (v29_rx_state_t *) user_data;
if (constel)
{
constel_point.re = constel->re/V29_CONSTELLATION_SCALING_FACTOR;
constel_point.im = constel->im/V29_CONSTELLATION_SCALING_FACTOR;
target_point.re = target->re/V29_CONSTELLATION_SCALING_FACTOR,
target_point.im = target->im/V29_CONSTELLATION_SCALING_FACTOR,
fpower = (constel_point.re - target_point.re)*(constel_point.re - target_point.re)
+ (constel_point.im - target_point.im)*(constel_point.im - target_point.im);
smooth_power = 0.95f*smooth_power + 0.05f*fpower;
#if defined(ENABLE_GUI)
if (use_gui)
{
qam_monitor_update_constel(qam_monitor, &constel_point);
qam_monitor_update_carrier_tracking(qam_monitor, v29_rx_carrier_frequency(rx));
//qam_monitor_update_carrier_tracking(qam_monitor, (fpower) ? fpower : 0.001f);
qam_monitor_update_symbol_tracking(qam_monitor, v29_rx_symbol_timing_correction(rx));
}
#endif
printf("%8d [%8.4f, %8.4f] [%8.4f, %8.4f] %2x %8.4f %8.4f %9.4f %7.3f %7.4f\n",
symbol_no,
constel_point.re,
constel_point.im,
target_point.re,
target_point.im,
symbol,
fpower,
smooth_power,
v29_rx_carrier_frequency(rx),
v29_rx_signal_power(rx),
v29_rx_symbol_timing_correction(rx));
symbol_no++;
if (--update_interval <= 0)
{
if ((len = v29_rx_equalizer_state(rx, &coeffs)))
{
printf("Equalizer A:\n");
for (i = 0; i < len; i++)
#if defined(SPANDSP_USE_FIXED_POINT)
printf("%3d (%15.5f, %15.5f)\n", i, coeffs[i].re/V29_CONSTELLATION_SCALING_FACTOR, coeffs[i].im/V29_CONSTELLATION_SCALING_FACTOR);
#else
printf("%3d (%15.5f, %15.5f) -> %15.5f\n", i, coeffs[i].re, coeffs[i].im, powerf(&coeffs[i]));
#endif
#if defined(ENABLE_GUI)
if (use_gui)
{
#if defined(SPANDSP_USE_FIXED_POINT)
qam_monitor_update_int_equalizer(qam_monitor, coeffs, len);
#else
qam_monitor_update_equalizer(qam_monitor, coeffs, len);
#endif
}
#endif
}
update_interval = 100;
}
}
}
