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sa_core.c
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sa_core.c
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/*
* This is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 3, or (at your option)
* any later version.
*
* The software is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with GNU Radio; see the file COPYING. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street,
* Boston, MA 02110-1301, USA.
*/
//#ifdef __SI4432__
#include "si4432.h" // comment out for simulation
//#endif
#include "stdlib.h"
#pragma GCC push_options
#pragma GCC optimize ("Os")
//#define __DEBUG_AGC__ If set the AGC value will be shown in the stored trace and FAST_SWEEP rmmode will be disabled
#ifdef __DEBUG_AGC__
#ifdef __FAST_SWEEP__
#undef __FAST_SWEEP__
#endif
#endif
// uint8_t dirty = true;
int scandirty = true;
setting_t setting;
freq_t frequencies[POINTS_COUNT];
uint16_t actual_rbw_x10 = 0;
uint16_t vbwSteps = 1;
freq_t minFreq = 0;
freq_t maxFreq = 520000000;
static freq_t old_freq[4] = { 0, 0, 0, 0};
static freq_t real_old_freq[4] = { 0, 0, 0, 0};
//int setting.refer = -1; // Off by default
const int reffer_freq[] = {30000000, 15000000, 10000000, 4000000, 3000000, 2000000, 1000000};
int in_selftest = false;
void update_min_max_freq(void)
{
switch(setting.mode) {
case M_LOW:
minFreq = 0;
maxFreq = DEFAULT_MAX_FREQ;
break;
#ifdef __ULTRA__
case M_ULTRA:
minFreq = 674000000;
maxFreq = 4300000000;
break;
#endif
case M_GENLOW:
minFreq = 0;
maxFreq = DEFAULT_MAX_FREQ;
break;
case M_HIGH:
minFreq = HIGH_MIN_FREQ_MHZ * 1000000;
maxFreq = HIGH_MAX_FREQ_MHZ * 1000000;
break;
case M_GENHIGH:
minFreq = 240000000;
maxFreq = 960000000;
break;
}
}
void reset_settings(int m)
{
// strcpy((char *)spi_buffer, dummy);
setting.mode = m;
update_min_max_freq();
sweep_mode |= SWEEP_ENABLE;
setting.unit_scale_index = 0;
setting.unit_scale = 1;
setting.unit = U_DBM;
set_scale(10);
set_reflevel(-10);
setting.attenuate_x2 = 0;
setting.rbw_x10 = 0;
setting.average = 0;
setting.harmonic = 0;
setting.show_stored = 0;
setting.auto_attenuation = false;
setting.subtract_stored = 0;
setting.normalize_level = 0.0;
setting.lo_drive=13;
setting.rx_drive=8;
setting.atten_step = 0; // Only used in low output mode
setting.agc = S_AUTO_ON;
setting.lna = S_AUTO_OFF;
setting.tracking = false;
setting.modulation = MO_NONE;
setting.modulation_frequency = 1000;
setting.step_delay = 0;
setting.offset_delay = 0;
setting.step_delay_mode = SD_NORMAL;
setting.vbw_x10 = 0;
setting.auto_reflevel = true; // Must be after SetReflevel
setting.decay=20;
setting.attack=1;
setting.noise=5;
setting.below_IF = S_AUTO_OFF;
setting.repeat = 1;
setting.tracking_output = false;
setting.measurement = M_OFF;
setting.frequency_IF = DEFAULT_IF;
setting.auto_IF = true;
set_offset(0.0); // This also updates the help text!!!!!
//setting.offset = 0.0;
setting.trigger = T_AUTO;
setting.trigger_direction = T_UP;
setting.trigger_mode = T_MID;
setting.fast_speedup = 0;
setting.level_sweep = 0.0;
setting.level = -15.0;
setting.trigger_level = -150.0;
setting.linearity_step = 0;
trace[TRACE_STORED].enabled = false;
trace[TRACE_TEMP].enabled = false;
// setting.refer = -1; // do not reset reffer when switching modes
setting.mute = true;
#ifdef __SPUR__
#ifdef TINYSA4
setting.spur_removal = S_AUTO_OFF;
#else
setting.spur_removal = S_OFF;
#endif
setting.mirror_masking = 0;
setting.slider_position = 0;
setting.slider_span = 100000;
#endif
switch(m) {
case M_LOW:
set_sweep_frequency(ST_START, minFreq);
set_sweep_frequency(ST_STOP, maxFreq);
setting.attenuate_x2 = 60;
setting.auto_attenuation = true;
setting.sweep_time_us = 0;
setting.correction_frequency = config.low_correction_frequency;
setting.correction_value = config.low_correction_value;
break;
#ifdef __ULTRA__
case M_ULTRA:
set_sweep_frequency(ST_START, minFreq);
set_sweep_frequency(ST_STOP, maxFreq);
setting.attenuate_x2 = 0;
setting.sweep_time_us = 0;
break;
#endif
case M_GENLOW:
setting.rx_drive=8;
setting.lo_drive=13;
set_sweep_frequency(ST_CENTER, 10000000);
set_sweep_frequency(ST_SPAN, 0);
setting.sweep_time_us = 10*ONE_SECOND_TIME;
setting.step_delay_mode = SD_FAST;
setting.correction_frequency = config.low_correction_frequency;
setting.correction_value = config.low_correction_value;
break;
case M_HIGH:
set_sweep_frequency(ST_START, minFreq);
set_sweep_frequency(ST_STOP, maxFreq);
setting.sweep_time_us = 0;
setting.correction_frequency = config.high_correction_frequency;
setting.correction_value = config.high_correction_value;
break;
case M_GENHIGH:
setting.lo_drive=8;
set_sweep_frequency(ST_CENTER, 300000000);
set_sweep_frequency(ST_SPAN, 0);
setting.sweep_time_us = 10*ONE_SECOND_TIME;
setting.step_delay_mode = SD_FAST;
setting.correction_frequency = config.high_correction_frequency;
setting.correction_value = config.high_correction_value;
break;
}
for (uint8_t i = 0; i< MARKERS_MAX; i++) {
markers[i].enabled = M_DISABLED;
markers[i].mtype = M_NORMAL;
}
markers[0].mtype = M_REFERENCE | M_TRACKING;
markers[0].enabled = M_ENABLED;
setting._active_marker = 0;
set_sweep_points(POINTS_COUNT);
dirty = true;
}
uint32_t calc_min_sweep_time_us(void) // Estimate minimum sweep time in uS, needed to calculate the initial delays for the RSSI before first sweep
{
uint32_t t;
if (MODE_OUTPUT(setting.mode))
t = 200*sweep_points; // 200 microseconds is the delay set in perform when sweeping in output mode
else {
uint32_t bare_sweep_time=0;
#ifdef __SI4432__
bare_sweep_time = (SI4432_step_delay + MEASURE_TIME) * (sweep_points); // Single RSSI delay and measurement time in uS while scanning
#endif
if (FREQ_IS_CW()) {
bare_sweep_time = MINIMUM_SWEEP_TIME; // minimum sweep time in fast CW mode
if (setting.repeat != 1 || setting.sweep_time_us >= 100*ONE_MS_TIME || S_STATE(setting.spur_removal)) // if no fast CW sweep possible
bare_sweep_time = 15000; // minimum CW sweep time when not in fast CW mode
}
t = vbwSteps * (S_STATE(setting.spur_removal) ? 2 : 1) * bare_sweep_time ; // factor in vbwSteps and spur impact
t += (setting.repeat - 1)* REPEAT_TIME * (sweep_points); // Add time required for repeats
}
return t;
}
void set_refer_output(int v)
{
setting.refer = v;
set_calibration_freq(setting.refer);
// dirty = true;
}
void set_decay(int d)
{
if (d < 0 || d > 1000000)
return;
if (setting.frequency_step == 0) { // decay in ms
d = (float)d * 500.0 * (float)sweep_points / (float)setting.actual_sweep_time_us;
}
setting.decay = d;
dirty = true;
}
#ifdef __QUASI_PEAK__
void set_attack(int d)
{
if (d < 0 || d > 20000)
return;
if (setting.frequency_step == 0 && d>0) { // decay in ms
d = (float)d * 500.0 * (float)sweep_points / (float)setting.actual_sweep_time_us;
}
setting.attack = d;
dirty = true;
}
#endif
void set_noise(int d)
{
if (d < 2 || d > 50)
return;
setting.noise = d;
dirty = true;
}
void set_gridlines(int d)
{
if (d < 3 || d > 20)
return;
config.gridlines = d;
config_save();
dirty = true;
update_grid();
}
//int setting_frequency_10mhz = 10000000;
void set_10mhz(freq_t f)
{
if (f < 9000000 || f > 11000000)
return;
config.setting_frequency_10mhz = f;
config_save();
dirty = true;
update_grid();
}
void set_measurement(int m)
{
setting.measurement = m;
#ifdef __LINEARITY__
if (m == M_LINEARITY) {
trace[TRACE_STORED].enabled = true;
for (int j = 0; j < setting._sweep_points; j++)
stored_t[j] = -150;
setting.linearity_step = 0;
setting.attenuate_x2 = 29*2;
setting.auto_attenuation = false;
}
#endif
dirty = true;
}
void set_lo_drive(int d)
{
setting.lo_drive = d;
dirty = true;
}
void set_rx_drive(int d)
{
setting.rx_drive = d;
dirty = true;
}
void set_level_sweep(float l)
{
setting.level_sweep = l;
dirty = true;
}
void set_sweep_time_us(uint32_t t) // Set the sweep time as the user wants it to be.
{
// if (t < MINIMUM_SWEEP_TIME) // Sweep time of zero means sweep as fast as possible
// t = MINIMUM_SWEEP_TIME;
if (t > MAXIMUM_SWEEP_TIME)
t = MAXIMUM_SWEEP_TIME;
setting.sweep_time_us = t;
// if (MODE_OUTPUT(setting.mode))
// setting.actual_sweep_time_us = t; // To ensure time displayed is correct before first sweep is completed
#if 0
uint32_t ta = calc_min_sweep_time_us(); // Can not be faster than minimum sweep time
if (ta < t)
ta = t;
setting.actual_sweep_time_us = ta;
if (FREQ_IS_CW())
update_grid(); // Really only needed in zero span mode
redraw_request |= REDRAW_FREQUENCY;
#endif
dirty = true;
}
void set_tracking_output(int t)
{
setting.tracking_output = t;
dirty = true;
}
void toggle_tracking_output(void)
{
setting.tracking_output = !setting.tracking_output;
dirty = true;
}
void toggle_mirror_masking(void)
{
setting.mirror_masking = !setting.mirror_masking;
dirty = true;
}
void toggle_mute(void)
{
setting.mute = !setting.mute;
dirty = true;
}
void toggle_hambands(void)
{
config.hambands = !config.hambands;
dirty = true;
}
void toggle_below_IF(void)
{
if (S_IS_AUTO(setting.below_IF ))
setting.below_IF = false;
else if (setting.below_IF)
setting.below_IF = S_AUTO_OFF;
else
setting.below_IF = true;
dirty = true;
}
void set_modulation(int m)
{
setting.modulation = m;
dirty = true;
}
void set_modulation_frequency(int f)
{
if (50 <= f && f <= 6000) {
setting.modulation_frequency = f;
dirty = true;
}
}
void set_repeat(int r)
{
if (r > 0 && r <= 100) {
setting.repeat = r;
// dirty = true; // No HW update required, only status panel refresh
}
}
void set_IF(int f)
{
if (f == 0)
setting.auto_IF = true;
setting.frequency_IF = f;
dirty = true;
}
#ifdef TINYSA4
void set_IF2(int f)
{
config.frequency_IF2 = f;
dirty = true;
config_save();
}
void set_R(int f)
{
ADF4351_R_counter(f % 10);
ADF4351_spur_mode(f/10);
dirty = true;
}
void set_modulo(uint32_t f)
{
ADF4350_modulo = f;
//ADF4351_spur_mode(f);
dirty = true;
}
#endif
#define POWER_STEP 0 // Should be 5 dB but appearently it is lower
#define POWER_OFFSET 15
#define SWITCH_ATTENUATION 30
#define RECEIVE_SWITCH_ATTENUATION 21
void set_auto_attenuation(void)
{
setting.auto_attenuation = true;
if (setting.mode == M_LOW) {
setting.attenuate_x2 = 60;
} else {
setting.attenuate_x2 = 0;
}
setting.atten_step = false;
dirty = true;
}
void set_auto_reflevel(int v)
{
setting.auto_reflevel = v;
}
float get_attenuation(void)
{
float actual_attenuation = setting.attenuate_x2 / 2.0;
if (setting.mode == M_GENLOW) {
if (setting.atten_step)
return ( -(POWER_OFFSET + actual_attenuation - (setting.atten_step-1)*POWER_STEP + SWITCH_ATTENUATION));
else
return ( -POWER_OFFSET - actual_attenuation + (setting.rx_drive & 7) * 3);
} else if (setting.atten_step) {
if (setting.mode == M_LOW)
return actual_attenuation + RECEIVE_SWITCH_ATTENUATION;
else
return actual_attenuation + SWITCH_ATTENUATION;
}
return(actual_attenuation);
}
static pureRSSI_t get_signal_path_loss(void){
#ifdef __ULTRA__
if (setting.mode == M_ULTRA)
return float_TO_PURE_RSSI(-15); // Loss in dB, -9.5 for v0.1, -12.5 for v0.2
#endif
if (setting.mode == M_LOW)
return float_TO_PURE_RSSI(-5.5); // Loss in dB, -9.5 for v0.1, -12.5 for v0.2
return float_TO_PURE_RSSI(+7); // Loss in dB (+ is gain)
}
static const int drive_dBm [16] = {-38,-35,-33,-30,-27,-24,-21,-19,-7,-4,-2, 1, 4, 7, 10, 13};
void set_level(float v) // Set the output level in dB in high/low output
{
if (setting.mode == M_GENHIGH) {
int d = 0;
while (drive_dBm[d] < v - 1 && d < 15) // Do not exceed array size
d++;
if (d == 8 && v < -12) // Round towards closest level
d = 7;
set_lo_drive(d);
} else {
setting.level = v;
set_attenuation((int)v);
}
dirty = true;
}
float get_level(void)
{
if (setting.mode == M_GENHIGH) {
return drive_dBm[setting.lo_drive];
} else {
return get_attenuation();
}
}
void set_attenuation(float a) // Is used both in low output mode and high/low input mode
{
if (setting.mode == M_GENLOW) {
a = a + POWER_OFFSET;
if (a > 6) { // +9dB
setting.rx_drive = 11; // Maximum save drive for SAW filters.
a = a - 9;
} else if (a > 3) { // +6dB
setting.rx_drive = 10;
a = a - 6;
} else if (a > 0) { // +3dB
setting.rx_drive = 9;
a = a - 3;
} else
setting.rx_drive = 8; // defined as 0dB level
if (a > 0)
a = 0;
if( a > - SWITCH_ATTENUATION) {
setting.atten_step = 0;
} else {
a = a + SWITCH_ATTENUATION;
setting.atten_step = 1;
}
a = -a;
} else {
if (setting.mode == M_LOW && a > 31) {
setting.atten_step = 1;
a = a - RECEIVE_SWITCH_ATTENUATION;
} else if (setting.mode == M_HIGH && a > 0) {
setting.atten_step = 1;
a = a - SWITCH_ATTENUATION;
} else
setting.atten_step = 0;
setting.auto_attenuation = false;
dirty = true;
}
if (a<0.0)
a = 0;
if (a> 31)
a=31.0;
if (setting.mode == M_HIGH) // No attenuator in high mode
a = 0;
if (setting.attenuate_x2 == a*2)
return;
setting.attenuate_x2 = a*2;
dirty = true;
}
void set_storage(void)
{
for (int i=0; i<POINTS_COUNT;i++)
stored_t[i] = actual_t[i];
setting.show_stored = true;
trace[TRACE_STORED].enabled = true;
//dirty = true; // No HW update required, only status panel refresh
}
void set_clear_storage(void)
{
setting.show_stored = false;
setting.subtract_stored = false;
trace[TRACE_STORED].enabled = false;
// dirty = true; // No HW update required, only status panel refresh
}
void set_subtract_storage(void)
{
if (!setting.subtract_stored) {
if (!setting.show_stored)
set_storage();
setting.subtract_stored = true;
setting.normalize_level = 0.0;
// setting.auto_attenuation = false;
} else {
setting.subtract_stored = false;
}
//dirty = true; // No HW update required, only status panel refresh
}
void toggle_normalize(void)
{
if (!setting.subtract_stored) {
for (int i=0; i<POINTS_COUNT;i++)
stored_t[i] = actual_t[i];
setting.subtract_stored = true;
setting.auto_attenuation = false; // Otherwise noise level may move leading to strange measurements
setting.normalize_level = 0.0;
} else {
setting.subtract_stored = false;
}
//dirty = true; // No HW update required, only status panel refresh
}
extern float peakLevel;
void set_actual_power(float o) // Set peak level to known value
{
float new_offset = o - peakLevel + get_level_offset(); // calculate offset based on difference between measured peak level and known peak level
if (o == 100) new_offset = 0;
if (setting.mode == M_HIGH) {
config.high_level_offset = new_offset;
} else if (setting.mode == M_LOW) {
config.low_level_offset = new_offset;
#ifdef __ULTRA__
} else if (setting.mode == M_ULTRA) {
config.low_level_offset = new_offset;
#endif
}
dirty = true;
config_save();
// dirty = true; // No HW update required, only status panel refresh
}
float get_level_offset(void)
{
if (setting.mode == M_HIGH) {
if (config.high_level_offset == 100) // Offset of 100 means not calibrated
return 0;
return(config.high_level_offset);
}
if (setting.mode == M_LOW) {
if (config.low_level_offset == 100)
return 0;
return(config.low_level_offset);
}
return(0);
}
int level_is_calibrated(void)
{
if (setting.mode == M_HIGH && config.high_level_offset != 100)
return 1;
if (setting.mode == M_LOW && config.low_level_offset != 100)
return 1;
return(0);
}
void set_RBW(uint32_t rbw_x10)
{
setting.rbw_x10 = rbw_x10;
update_rbw();
dirty = true;
}
#ifdef __SPUR__
void set_spur(int v)
{
if (setting.mode!=M_LOW)
return;
setting.spur_removal = v;
// if (setting.spur_removal && actual_rbw > 360) // moved to update_rbw
// set_RBW(300);
dirty = true;
}
void toggle_spur(void)
{
if (setting.mode!=M_LOW)
return;
#ifdef TINYSA4
if (S_IS_AUTO(setting.spur_removal ))
setting.spur_removal = false;
else if (setting.spur_removal)
setting.spur_removal = S_AUTO_OFF;
else
setting.spur_removal = true;
#else
if (S_STATE(setting.spur_removal ))
setting.spur_removal = S_OFF;
else
setting.spur_removal = S_ON;
#endif
dirty = true;
}
#endif
#ifdef __ULTRA__
void set_harmonic(int h)
{
setting.harmonic = h;
minFreq = 684000000.0;
if ((freq_t)(setting.harmonic * 240000000)+434000000 > minFreq)
minFreq = setting.harmonic * 240000000.0+434000000.0;
maxFreq = 4360000000;
if (setting.harmonic != 0 && (960000000.0 * setting.harmonic + 434000000.0 )< 4360000000.0)
maxFreq = (960000000.0 * setting.harmonic + 434000000.0 );
set_sweep_frequency(ST_START, minFreq);
set_sweep_frequency(ST_STOP, maxFreq);
}
#endif
void set_step_delay(int d) // override RSSI measurement delay or set to one of three auto modes
{
if ((3 <= d && d < 100) || d > 30000) // values 0 (normal scan), 1 (precise scan) and 2(fast scan) have special meaning and are auto calculated
return;
if (d <3) {
setting.step_delay_mode = d;
setting.step_delay = 0;
setting.offset_delay = 0;
} else {
setting.step_delay_mode = SD_MANUAL;
setting.step_delay = d;
}
dirty = true;
}
void set_offset_delay(int d) // override RSSI measurement delay or set to one of three auto modes
{
setting.offset_delay = d;
dirty = true;
}
void set_average(int v)
{
setting.average = v;
trace[TRACE_TEMP].enabled = ((v != 0)
#ifdef __QUASI_PEAK__
&& (v != AV_QUASI)
#endif
);
//dirty = true; // No HW update required, only status panel refresh
}
void toggle_LNA(void)
{
if (S_IS_AUTO(setting.lna ))
setting.lna = false;
else if (setting.lna)
setting.lna = S_AUTO_OFF;
else
setting.lna = true;
dirty = true;
}
void toggle_tracking(void)
{
setting.tracking = !setting.tracking;
if (setting.tracking) {
set_refer_output(2);
set_sweep_frequency(ST_CENTER, 10000000);
set_sweep_frequency(ST_SPAN, 5000000);
} else {
set_refer_output(-1);
}
dirty = true;
}
void toggle_AGC(void)
{
if (S_IS_AUTO(setting.agc ))
setting.agc = false;
else if (setting.agc)
setting.agc = S_AUTO_ON;
else
setting.agc = true;
dirty = true;
}
static unsigned char SI4432_old_v[2];
void auto_set_AGC_LNA(int auto_set, int agc) // Adapt the AGC setting if needed
{
#ifdef __SI4432__
unsigned char v;
if (auto_set)
v = 0x60; // Enable AGC and disable LNA
else
v = 0x40+agc; // Disable AGC and enable LNA
if (SI4432_old_v[MODE_SELECT(setting.mode)] != v) {
SI4432_Sel = MODE_SELECT(setting.mode);
SI4432_Write_Byte(SI4432_AGC_OVERRIDE, v);
SI4432_old_v[MODE_SELECT(setting.mode)] = v;
}
#endif
}
#ifdef __SI4432__
void set_AGC_LNA(void) {
unsigned char v = 0x40;
if (S_STATE(setting.agc)) v |= 0x20;
if (S_STATE(setting.lna)) v |= 0x10;
SI4432_Write_Byte(SI4432_AGC_OVERRIDE, v);
SI4432_old_v[MODE_SELECT(setting.mode)] = v;
}
#endif
void set_unit(int u)
{
if (setting.unit == u)
return;
float r = to_dBm(setting.reflevel); // Get neutral unit
float s = to_dBm(setting.scale);
// float t = setting.trigger; // Is always in dBm
// float m = r - NGRIDSY*s;
setting.unit = u; // Switch unit
r = value(r); // Convert to target unit
s = value(s);
if (UNIT_IS_LINEAR(setting.unit)) {
if (r < REFLEVEL_MIN)
r = REFLEVEL_MIN; // Minimum value to ensure display
if (r >REFLEVEL_MAX)
r = REFLEVEL_MAX; // Maximum value
set_scale(r/NGRIDY);
set_reflevel(setting.scale*NGRIDY);
if (S_IS_AUTO(setting.agc))
setting.agc = S_AUTO_ON;
if (S_IS_AUTO(setting.lna))
setting.lna = S_AUTO_OFF;
} else {
r = 10 * round((r*1.2)/10.0);
set_reflevel(r);
set_scale(10);
if (S_IS_AUTO(setting.agc))
setting.agc = S_AUTO_ON;
if (S_IS_AUTO(setting.lna))
setting.lna = S_AUTO_OFF;
}
plot_into_index(measured);
redraw_request|=REDRAW_AREA;
//dirty = true; // No HW update required, only status panel refresh
}
float const unit_scale_value[]={1,0.001,0.000001,0.000000001,0.000000000001};
const char * const unit_scale_text[]= {"","m", "\035", "n", "p"};
void user_set_reflevel(float level)
{
set_auto_reflevel(false);
if (UNIT_IS_LINEAR(setting.unit) && level < setting.scale*NGRIDY) {
set_scale(level/NGRIDY);
set_reflevel(setting.scale*NGRIDY);
} else
set_reflevel(level);
redraw_request|=REDRAW_AREA;
}
void set_reflevel(float level)
{
if (UNIT_IS_LINEAR(setting.unit)) {
if (level < REFLEVEL_MIN)
level = REFLEVEL_MIN;
if (level > REFLEVEL_MAX)
level = REFLEVEL_MAX;
}
setting.unit_scale_index = 0;
setting.unit_scale = 1.0;
while (UNIT_IS_LINEAR(setting.unit) && setting.unit_scale_index < sizeof(unit_scale_value)/sizeof(float) - 1) {
if (level > unit_scale_value[setting.unit_scale_index])
break;
setting.unit_scale_index++;
}
setting.unit_scale = unit_scale_value[setting.unit_scale_index];
setting.reflevel = level;
set_trace_refpos(level);
// dirty = true;
}
void round_reflevel_to_scale(void) {
int multi = floor((setting.reflevel + setting.scale/2)/setting.scale);
if (UNIT_IS_LINEAR(setting.unit)) {
if (multi < NGRIDY) {
setting.reflevel = setting.scale*10; // Never negative bottom
}
} else {
}
setting.reflevel = multi*setting.scale;
set_trace_refpos(setting.reflevel);
}
void user_set_scale(float s)
{
if (UNIT_IS_LINEAR(setting.unit))
set_auto_reflevel(false);
set_scale(s);
if (UNIT_IS_LINEAR(setting.unit) && setting.reflevel < setting.scale*NGRIDY)
set_reflevel(setting.scale*NGRIDY);
force_set_markmap();
}
void set_scale(float t) {
if (UNIT_IS_LINEAR(setting.unit)) {
if (t < REFLEVEL_MIN/10.0)
t = REFLEVEL_MIN/10.0;
if (t > REFLEVEL_MAX/10.0)
t = REFLEVEL_MAX/10.0;
} else {
if (t > 20.0)
t = 20.0;
else if (t < 1)
t = 1.0;
}
float m = 1;
// t = t * 1.2;
while (t > 10) { m *= 10; t/=10; }
while (t < 1.0) { m /= 10; t*=10; }
if (t>5.0001)
t = 10.0;
else if (t>2.0001)
t = 5.0;
else if (t > 1.0001)
t = 2.0;
else
t = 1.0;
t = t*m;
setting.scale = t;
set_trace_scale(t);
round_reflevel_to_scale();
}
extern char low_level_help_text[12];
void set_offset(float offset)
{
setting.offset = offset;
int min,max;
if (setting.mode == M_GENLOW) {
min = -76; max = -6;
} else {
min = -38; max = +13;
}
plot_printf(low_level_help_text, sizeof low_level_help_text, "%+d..%+d", min + (int)offset, max + (int)offset);
force_set_markmap();
dirty = true; // No HW update required, only status panel refresh but need to ensure the cached value is updated in the calculation of the RSSI
}
void set_trigger_level(float trigger_level)
{
setting.trigger_level = trigger_level;
redraw_request |= REDRAW_TRIGGER | REDRAW_CAL_STATUS | REDRAW_AREA;
//dirty = true; // No HW update required, only status panel refresh
}
void set_trigger(int trigger)
{
if (trigger == T_PRE || trigger == T_POST || trigger == T_MID) {
setting.trigger_mode = trigger;
} else if (trigger == T_UP || trigger == T_DOWN){
setting.trigger_direction = trigger;
} else if (trigger == T_DONE) {
pause_sweep(); // Trigger once so pause after this sweep has completed!!!!!!!
redraw_request |= REDRAW_CAL_STATUS; // Show status change setting.trigger = trigger;
setting.trigger = trigger;
} else {
sweep_mode = SWEEP_ENABLE;
setting.trigger = trigger;
}
redraw_request|=REDRAW_TRIGGER | REDRAW_CAL_STATUS;
//dirty = true; // No HW update required, only status panel refresh
}
//int GetRefpos(void) {
// return (NGRIDY - get_trace_refpos(2)) * get_trace_scale(2);
//}
//int GetScale(void) {
// return get_trace_refpos(2);
//}
void set_mode(int m)
{
#ifdef __ULTRA__
if (m == 6)
m = M_ULTRA;
#endif
dirty = true;
if (setting.mode == m)
return;
reset_settings(m);
// dirty = true;
}
void set_fast_speedup(int s)
{
setting.fast_speedup = s;
dirty = true;
}
void calculate_step_delay(void)
{
if (setting.step_delay_mode == SD_MANUAL || setting.step_delay != 0) { // The latter part required for selftest 3
SI4432_step_delay = setting.step_delay;
if (setting.offset_delay != 0) // Override if set
SI4432_offset_delay = setting.offset_delay;
} else {