static void v17_rx_status(void *user_data, int status) { v17_rx_state_t *s; int i; int len; #if defined(SPANDSP_USE_FIXED_POINT) complexi16_t *coeffs; #else complexf_t *coeffs; #endif printf("V.17 rx status is %s (%d)\n", signal_status_to_str(status), status); s = (v17_rx_state_t *) user_data; switch (status) { case SIG_STATUS_TRAINING_SUCCEEDED: len = v17_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/4096.0f, coeffs[i].im/4096.0f); #else printf("%3d (%15.5f, %15.5f) -> %15.5f\n", i, coeffs[i].re, coeffs[i].im, powerf(&coeffs[i])); #endif break; } }
static void v17_rx_status(void *user_data, int status) { v17_rx_state_t *s; int i; int len; #if defined(SPANDSP_USE_FIXED_POINT) complexi16_t *coeffs; #else complexf_t *coeffs; #endif printf("V.17 rx status is %s (%d)\n", signal_status_to_str(status), status); s = (v17_rx_state_t *) user_data; switch (status) { case SIG_STATUS_TRAINING_SUCCEEDED: printf("Training succeeded\n"); if ((len = v17_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/V17_CONSTELLATION_SCALING_FACTOR, coeffs[i].im/V17_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) { int i; int len; complexf_t *coeffs; float fpower; v17_rx_state_t *rx; static float smooth_power = 0.0f; static int update_interval = 100; rx = (v17_rx_state_t *) user_data; if (constel) { #if defined(ENABLE_GUI) if (use_gui) { qam_monitor_update_constel(qam_monitor, constel); qam_monitor_update_carrier_tracking(qam_monitor, v17_rx_carrier_frequency(rx)); qam_monitor_update_symbol_tracking(qam_monitor, v17_rx_symbol_timing_correction(rx)); } #endif fpower = (constel->re - target->re)*(constel->re - target->re) + (constel->im - target->im)*(constel->im - target->im); smooth_power = 0.95f*smooth_power + 0.05f*fpower; 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->re, constel->im, target->re, target->im, symbol, fpower, smooth_power, v17_rx_carrier_frequency(rx), v17_rx_signal_power(rx), v17_rx_symbol_timing_correction(rx)); printf("Carrier %d %f %f\n", symbol_no, v17_rx_carrier_frequency(rx), v17_rx_symbol_timing_correction(rx)); symbol_no++; if (--update_interval <= 0) { len = v17_rx_equalizer_state(rx, &coeffs); printf("Equalizer A:\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])); #if defined(ENABLE_GUI) if (use_gui) qam_monitor_update_equalizer(qam_monitor, coeffs, len); #endif update_interval = 100; } } }
static void v17_rx_status(void *user_data, int status) { v17_rx_state_t *rx; int i; int len; complexf_t *coeffs; printf("V.17 rx status is %s (%d)\n", signal_status_to_str(status), status); rx = (v17_rx_state_t *) user_data; switch (status) { case SIG_STATUS_TRAINING_SUCCEEDED: len = v17_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])); 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; complexf_t constel_point; #else complexf_t *coeffs; #endif float fpower; v17_rx_state_t *rx; static float smooth_power = 0.0f; static int update_interval = 100; rx = (v17_rx_state_t *) user_data; if (constel) { fpower = (constel->re - target->re)*(constel->re - target->re) + (constel->im - target->im)*(constel->im - target->im); #if defined(SPANDSP_USE_FIXED_POINT) fpower /= 4096.0*4096.0; #endif smooth_power = 0.95f*smooth_power + 0.05f*fpower; #if defined(ENABLE_GUI) if (use_gui) { #if defined(SPANDSP_USE_FIXED_POINT) constel_point.re = constel->re/4096.0; constel_point.im = constel->im/4096.0; qam_monitor_update_constel(qam_monitor, &constel_point); #else qam_monitor_update_constel(qam_monitor, constel); #endif qam_monitor_update_carrier_tracking(qam_monitor, v17_rx_carrier_frequency(rx)); qam_monitor_update_symbol_tracking(qam_monitor, v17_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, #if defined(SPANDSP_USE_FIXED_POINT) constel->re/4096.0, constel->im/4096.0, target->re/4096.0, target->im/4096.0, #else constel->re, constel->im, target->re, target->im, #endif symbol, fpower, smooth_power, v17_rx_carrier_frequency(rx), v17_rx_signal_power(rx), v17_rx_symbol_timing_correction(rx)); //printf("Carrier %d %f %f\n", symbol_no, v17_rx_carrier_frequency(rx), v17_rx_symbol_timing_correction(rx)); symbol_no++; if (--update_interval <= 0) { len = v17_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/4096.0f, coeffs[i].im/4096.0f); #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; } } }