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@ -72,8 +72,8 @@ bool ultra;
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#ifdef TINYSA4
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int noise_level;
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float log_averaging_correction;
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uint32_t old_CFGR;
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uint32_t orig_CFGR;
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//uint32_t old_CFGR; // Not used??
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//uint32_t orig_CFGR; // Not used??
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int debug_frequencies = false;
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int linear_averaging = true;
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@ -2021,10 +2021,7 @@ case M_LOW: // Mixed into 0
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#ifdef TINYSA4
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ADF4351_enable(true);
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// ADF4351_drive(setting.lo_drive);
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if (setting.tracking_output)
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ADF4351_enable_aux_out(true);
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else
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ADF4351_enable_aux_out(false);
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ADF4351_enable_aux_out(setting.tracking_output);
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ADF4351_enable_out(true);
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#endif
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@ -2110,7 +2107,7 @@ case M_GENLOW: // Mixed output from 0
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ADF4351_enable_out(true);
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// ADF4351_drive(setting.lo_drive);
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ADF4351_enable(true);
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ADF4351_enable_aux_out(false);
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ADF4351_enable_aux_out(setting.tracking_output);
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if (setting.atten_step) { // use switch as attenuator
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enable_rx_output(false);
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@ -2777,6 +2774,11 @@ pureRSSI_t perform(bool break_on_operation, int i, freq_t f, int tracking) /
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int modulation_index = 0;
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int modulation_count_iter = 0;
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int spur_second_pass = false;
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#ifdef __NEW_SWITCHES__
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int direct = (setting.mode == M_LOW && config.direct && f > DIRECT_START && f<DIRECT_STOP );
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#else
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const int direct = false;
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#endif
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#ifdef TINYSA4
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if (i == 0 && old_temp != Si446x_get_temp()) {
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old_temp = Si446x_get_temp();
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@ -2901,7 +2903,7 @@ pureRSSI_t perform(bool break_on_operation, int i, freq_t f, int tracking) /
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#endif
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#endif
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// ------------------------------------- Set the output level ----------------------------------
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// ------------------------------------- START Set the output level ----------------------------------
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if (( setting.frequency_step != 0 || setting.level_sweep != 0.0 || i == 0)) { // Initialize or adapt output levels
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if (setting.mode == M_GENLOW) {// if in low output mode and level sweep or frequency weep is active or at start of sweep
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@ -3069,6 +3071,9 @@ pureRSSI_t perform(bool break_on_operation, int i, freq_t f, int tracking) /
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}
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}
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}
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// ------------------------------------- END Set the output level ----------------------------------
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#ifdef __SI4432__
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if (setting.mode == M_LOW && S_IS_AUTO(setting.agc) && !check_for_AM && UNIT_IS_LOG(setting.unit)) { // If in low input mode with auto AGC and log unit
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if (f < 1500000)
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@ -3156,14 +3161,29 @@ modulation_again:
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}
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}
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#ifdef __ULTRA__
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// -------------- set ultra ---------------------------------
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if (setting.mode == M_LOW && ultra && f > ultra_threshold) {
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enable_ultra(true);
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}
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else
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enable_ultra(false);
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// -------------- set ultra or direct ---------------------------------
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if (setting.mode == M_LOW) {
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if (ultra && f > ultra_threshold) {
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enable_ultra(true);
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}
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else {
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#ifdef __NEW_SWITCHES__
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if (direct) {
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enable_ultra(true);
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enable_direct(true);
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enable_high(true);
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}
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else {
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enable_ultra(false);
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enable_direct(false);
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enable_high(false);
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#else
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enable_ultra(false);
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#endif
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// -------------------------------- Acquisition loop for one requested frequency covering spur avoidance and vbwsteps ------------------------
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}
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}
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#endif
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// -------------------------------- Acquisition loop for one requested frequency covering spur avoidance and vbwsteps ------------------------
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pureRSSI_t RSSI = float_TO_PURE_RSSI(-150);
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if (debug_avoid){ // For debugging the spur avoidance control
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stored_t[i] = -90.0; // Display when to do spur shift in the stored trace
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@ -3179,6 +3199,9 @@ modulation_again:
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local_vbw_steps *= 2;
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}
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#endif
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// -----------------------------------START vbwsteps loop ------------------------------------
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int t = 0;
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do {
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freq_t lf = f;
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@ -3208,7 +3231,7 @@ modulation_again:
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lf += offs;
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#endif
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}
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// -------------- Calculate the IF -----------------------------
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// -------------- START Calculate the IF -----------------------------
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if (/* MODE_INPUT(setting.mode) && */ i > 0 && FREQ_IS_CW()) // In input mode in zero span mode after first setting of the LO's
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goto skip_LO_setting; // No more LO changes required, save some time and jump over the code
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@ -3246,7 +3269,7 @@ again: // Spur redu
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local_IF = DEFAULT_IF;
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#endif
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}
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if (setting.mode == M_LOW) {
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if (setting.mode == M_LOW && !direct) {
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if (tracking) { // VERY SPECIAL CASE!!!!! Measure BPF
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#if 0 // Isolation test
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local_IF = lf;
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@ -3387,7 +3410,7 @@ again: // Spur redu
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if (setting.modulation == MO_EXTERNAL) // VERY SPECIAL CASE !!!!!! LO input via high port
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local_IF += lf;
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}
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}
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} // --------------- END IF calculation ------------------------
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// ------------- Set LO ---------------------------
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@ -3396,7 +3419,7 @@ again: // Spur redu
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#ifdef TINYSA4
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int inverted_f = false;
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#endif
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if (setting.mode == M_LOW && !setting.tracking && S_STATE(setting.below_IF)) { // if in low input mode and below IF
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if (setting.mode == M_LOW && !direct && !setting.tracking && S_STATE(setting.below_IF)) { // if in low input mode and below IF
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#ifdef __ULTRA__
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if (lf < local_IF)
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#endif
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@ -3441,9 +3464,12 @@ again: // Spur redu
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#endif
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set_freq (SI4432_LO, target_f); // otherwise to above IF
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#endif
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// ----------------------------- START Calculate and set the AD4351 frequency and set the RX frequency --------------------------------
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#ifdef __ADF4351__
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// START_PROFILE;
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if (MODE_LOW(setting.mode)) {
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if (MODE_LOW(setting.mode) &&!direct) {
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if (config.frequency_IF2 != 0) {
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set_freq (ADF4351_LO2, config.frequency_IF2 - local_IF); // Down from IF2 to fixed second IF in Ultra SA mode
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local_IF = config.frequency_IF2;
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@ -3456,9 +3482,9 @@ again: // Spur redu
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if (setting.R == 0) {
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if (setting.mode == M_GENLOW) {
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if (local_modulo == 0) ADF4351_modulo(1000);
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ADF4351_R_counter(1);
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ADF4351_R_counter(3);
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} else
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if (lf < 1000000000 /* && lf >= TXCO_DIV3 */ && MODE_INPUT(setting.mode)) {
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if (lf > 8000000 && lf < 1000000000 /* && lf >= TXCO_DIV3 */ && MODE_INPUT(setting.mode)) {
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if (local_modulo == 0) {
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if (actual_rbw_x10 >= 3000)
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ADF4351_modulo(1000);
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@ -3488,7 +3514,7 @@ again: // Spur redu
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if (setting.frequency_step < 100000)
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ADF4351_R_counter(3);
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else
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ADF4351_R_counter(1);
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ADF4351_R_counter(1); // Used to be 1
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}
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}
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else {
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@ -3541,7 +3567,7 @@ again: // Spur redu
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}
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}
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#endif
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} else if (setting.mode == M_HIGH) {
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} else if (setting.mode == M_HIGH || direct) {
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set_freq (SI4463_RX, lf); // sweep RX, local_IF = 0 in high mode
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} else if (setting.mode == M_GENHIGH) {
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if (config.high_out_adf4350) {
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@ -3552,9 +3578,11 @@ again: // Spur redu
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local_IF = 0;
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}
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}
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// ----------------------------- END Calculate and set the AD4351 frequency and set the RX frequency --------------------------------
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// STOP_PROFILE;
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#endif
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}
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} // ----------------- LO's set --------------------------
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#ifdef __MCU_CLOCK_SHIFT__
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if (setting.mode == M_LOW && !in_selftest) { // Avoid 48MHz spur
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@ -3590,7 +3618,7 @@ again: // Spur redu
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// ----------- Set IF ------------------
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if (local_IF != 0) // When not in one of the high modes
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if (local_IF != 0) // When not in one of the high modes and not in direct mode
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{
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#ifdef __SI4432__
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set_freq (SI4432_RX , local_IF);
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@ -3865,10 +3893,10 @@ again: // Spur redu
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break; // abort
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} while (t < local_vbw_steps); // till all sub steps done
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#ifdef TINYSA4
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if (old_CFGR != orig_CFGR) {
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old_CFGR = orig_CFGR;
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RCC->CFGR = orig_CFGR;
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}
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// if (old_CFGR != orig_CFGR) { // Never happens ???
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// old_CFGR = orig_CFGR;
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// RCC->CFGR = orig_CFGR;
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// }
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#define IGNORE_RSSI 30000
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// pureRSSI_t rssi = (RSSI>0 ? RSSI + correct_RSSI + correct_RSSI_freq : IGNORE_RSSI); // add correction
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pureRSSI_t rssi = RSSI + correct_RSSI + correct_RSSI_freq; // add correction
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@ -5060,14 +5088,14 @@ typedef struct test_case {
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const test_case_t test_case [] =
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#ifdef TINYSA4
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{// Condition Preparation Center Span Pass Width(%)Stop
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TEST_CASE_STRUCT(TC_BELOW, TP_SILENT, 0.05, 0.1, 0, 0, 0), // 1 Zero Hz leakage
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TEST_CASE_STRUCT(TC_BELOW, TP_SILENT, 0.06, 0.11, -30, 0, -30), // 1 Zero Hz leakage
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TEST_CASE_STRUCT(TC_BELOW, TP_SILENT, 0.1, 0.1, -70, 0, 0), // 2 Phase noise of zero Hz
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TEST_CASE_STRUCT(TC_SIGNAL, TP_30MHZ, 30, 1, -23, 10, -85), // 3
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TEST_CASE_STRUCT(TC_SIGNAL, TP_30MHZ_ULTRA, 900, 1, -75, 10, -85), // 4 Test Ultra mode
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#define TEST_SILENCE 4
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TEST_CASE_STRUCT(TC_BELOW, TP_SILENT, 200, 100, -70, 0, 0), // 5 Wide band noise floor low mode
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TEST_CASE_STRUCT(TC_BELOW, TPH_SILENT, 633, 994, -85, 0, 0), // 6 Wide band noise floor high mode
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TEST_CASE_STRUCT(TC_SIGNAL, TP_10MHZEXTRA, 30, 14, -23, 27, -70), // 7 BPF loss and stop band
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TEST_CASE_STRUCT(TC_SIGNAL, TP_10MHZEXTRA, 30, 14, -23, 27, -45), // 7 BPF loss and stop band
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TEST_CASE_STRUCT(TC_FLAT, TP_10MHZEXTRA, 30, 14, -18, 9, -60), // 8 BPF pass band flatness
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TEST_CASE_STRUCT(TC_BELOW, TP_30MHZ, 900, 1, -90, 0, -90), // 9 LPF cutoff
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TEST_CASE_STRUCT(TC_SIGNAL, TP_30MHZ_SWITCH,30, 7, -23, 10, -50), // 10 Switch isolation using high attenuation
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erikkaashoek
4 years ago