From 2073ae18b32e94138a231d24405c9a10b8fa800d Mon Sep 17 00:00:00 2001 From: DiSlord Date: Fri, 3 Jul 2020 07:13:44 +0300 Subject: [PATCH] Prevent scan data twice if trigger option set (1 scan - normal scan, second is trigger wait, amd new scan before) --- sa_core.c | 27 ++++++++++++++++----------- 1 file changed, 16 insertions(+), 11 deletions(-) diff --git a/sa_core.c b/sa_core.c index d806ee6..514ba33 100644 --- a/sa_core.c +++ b/sa_core.c @@ -1496,8 +1496,15 @@ float perform(bool break_on_operation, int i, uint32_t f, int tracking) // M skip_LO_setting: // jump here if in zero span mode and all HW frequency setup is done. + int wait_for_trigger = false; + int old_actual_step_delay = SI4432_step_delay; + if (i == 0 && setting.frequency_step == 0 && setting.trigger != T_AUTO) { // if in zero span mode and wait for trigger to happen and NOT in trigger mode + wait_for_trigger = true; // signal the wait for trigger + SI4432_step_delay = 0; // and ignore requested sweep time to be as fast as possible + } + #ifdef __FAST_SWEEP__ - if (i == 0 && setting.frequency_step == 0 && setting.trigger == T_AUTO && setting.spur == 0 && SI4432_step_delay == 0 && setting.repeat == 1 && setting.sweep_time_us < 100*ONE_MS_TIME) { + if (i == 0 && wait_for_trigger == 0 && setting.spur == 0 && SI4432_step_delay == 0 && setting.repeat == 1 && setting.sweep_time_us < 100*ONE_MS_TIME) { // if ultra fast scanning is needed prefill the SI4432 RSSI read buffer SI4432_Fill(MODE_SELECT(setting.mode), 0); } @@ -1513,22 +1520,18 @@ float perform(bool break_on_operation, int i, uint32_t f, int tracking) // M else signal_path_loss = +7; // Loss in dB (+ is gain) - int wait_for_trigger = false; - int old_actual_step_delay = SI4432_step_delay; - if (i == 0 && setting.frequency_step == 0 && setting.trigger != T_AUTO) { // if in zero span mode and wait for trigger to happen and NOT in trigger mode - wait_for_trigger = true; // signal the wait for trigger - SI4432_step_delay = 0; // and ignore requested sweep time to be as fast as possible - } + float subRSSI; static float correct_RSSI; // This is re-used between calls if (i == 0 || setting.frequency_step != 0 ) // only cases where the value can change correct_RSSI = get_level_offset()+ get_attenuation() - signal_path_loss - setting.offset + get_frequency_correction(f); // calcuate the RSSI correction for later use - wait: - if (i == 0 && t == 0) // if first point in scan (here is get 1 point data) + // Start time after 1 data get and triggered + if (i == 0 && t == 0) // if first point in scan (here is get 1 point data) start_of_sweep_timestamp = chVTGetSystemTimeX(); // initialize start sweep time + wait: subRSSI = SI4432_RSSI(lf, MODE_SELECT(setting.mode)) + correct_RSSI ; // Get RSSI, either from pre-filled buffer or by reading SI4432 RSSI // if ( i < 3) // shell_printf("%d %.3f %.3f %.1f\r\n", i, local_IF/1000000.0, lf/1000000.0, subRSSI); @@ -1538,10 +1541,12 @@ float perform(bool break_on_operation, int i, uint32_t f, int tracking) // M break; // abort if (subRSSI < setting.trigger_level) // trigger level not yet reached goto wait; // get next rssi -// start_of_sweep_timestamp = chVTGetSystemTimeX(); // Actually one sample to late + + if (i == 0 && t == 0) // if first point in scan (here is get 1 point data) + start_of_sweep_timestamp = chVTGetSystemTimeX(); // update time after triggered #ifdef __FAST_SWEEP__ - if (i == 0 && setting.frequency_step == 0 /* && setting.trigger == T_AUTO */&& setting.spur == 0 && old_actual_step_delay == 0 && setting.repeat == 1 && setting.sweep_time_us < ONE_SECOND_TIME) { + if (i == 0 && /* setting.frequency_step == 0 && setting.trigger == T_AUTO */&& setting.spur == 0 && old_actual_step_delay == 0 && setting.repeat == 1 && setting.sweep_time_us < 100*ONE_MS_TIME) { SI4432_Fill(MODE_SELECT(setting.mode), 1); // fast mode possible to pre-fill RSSI buffer } #endif