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Merge branch 'master' into tinySA-V4-SI4463

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Removed_REF_marker
erikkaashoek 5 years ago
parent 84fd00631e f2ed04ba8c
commit 168a43a6d1
7 changed files with 192 additions and 80 deletions
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5
main.c
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@ -880,6 +880,7 @@ config_t config = {
.high_level_offset = 100, // Uncalibrated
.correction_frequency = { 10000, 100000, 200000, 500000, 50000000, 140000000, 200000000, 300000000, 330000000, 350000000 },
.correction_value = { 0, 0, 0, 0, 0.0, 0, 0, 0, 0, 0 },
.setting_frequency_10mhz = 10000000,
.cor_am = -14,
.cor_wfm = -17,
.cor_nfm = -17,
@ -1090,8 +1091,8 @@ void set_marker_frequency(int m, uint32_t f)
int i = 1;
markers[m].mtype &= ~M_TRACKING;
uint32_t s = (frequencies[1] - frequencies[0])/2;
while (i< sweep_points - 1){
if (frequencies[i]-s <= f && f < frequencies[i]+s) {
while (i< sweep_points - 2){
if (frequencies[i]-s <= f && f < frequencies[i+1]-s) { // Avoid rounding error in s!!!!!!!
markers[m].index = i;
markers[m].frequency = f;
return;

2
nanovna.h
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@ -484,6 +484,7 @@ typedef struct config {
int8_t cor_am;
int8_t cor_wfm;
int8_t cor_nfm;
uint32_t setting_frequency_10mhz;
int8_t dummy;
// uint8_t _reserved[22];
uint32_t checksum;
@ -913,6 +914,7 @@ typedef struct uistat {
uint8_t marker_delta;
uint8_t marker_noise;
uint8_t marker_tracking;
uint8_t auto_center_marker;
char text[20];
} uistat_t;

8
plot.c
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@ -2117,12 +2117,18 @@ static void cell_draw_marker_info(int x0, int y0)
if (delta < -5 || delta > 5)
break;
float level = (actual_t[markers[1].index] + actual_t[markers[2].index])/2.0 - actual_t[markers[0].index];
if (level < -40 || level > 0)
if (level < -70 || level > 0)
break;
int depth =(int) (pow((float)10.0, 2.0 + (level + 6.02) /20.0));
#endif
plot_printf(buf, sizeof buf, "DEPTH: %3d%%", depth);
goto show_computed;
} else if (setting.measurement == M_FM){
int32_t dev = ( markers[2].frequency - markers[1].frequency - actual_rbw_x10 * 100 ) >> 1;
if (dev < 0 )
break;
plot_printf(buf, sizeof buf, "DEVIATION:%6.1qHz", dev);
goto show_computed;
}
}
if (i >= 2 && setting.measurement == M_THD) {

181
sa_core.c
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@ -270,6 +270,19 @@ void set_gridlines(int d)
update_grid();
}
//int setting_frequency_10mhz = 10000000;
void set_10mhz(uint32_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;
@ -705,23 +718,36 @@ void toggle_AGC(void)
dirty = true;
}
#ifdef __SI4432__
static unsigned char SI4432_old_v[2];
#endif
void auto_set_AGC_LNA(int auto_set, int agc) // Adapt the AGC setting if needed
{
#ifdef __SI4432__
static unsigned char old_v[2];
unsigned char v;
if (auto_set)
v = 0x60; // Enable AGC and disable LNA
else
v = 0x40+agc; // Disable AGC and enable LNA
if (old_v[MODE_SELECT(setting.mode)] != v) {
if (SI4432_old_v[MODE_SELECT(setting.mode)] != v) {
SI4432_Sel = MODE_SELECT(setting.mode);
SI4432_Write_Byte(SI4432_AGC_OVERRIDE, v);
old_v[MODE_SELECT(setting.mode)] = 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)
@ -1210,12 +1236,6 @@ void set_switch_off(void) {
SI4432_Write_Byte(SI4432_GPIO1_CONF, 0x1f);
}
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);
}
#endif
void set_switches(int m)
@ -1389,6 +1409,21 @@ int binary_search_frequency(int f) // Search which index in the frequency t
return -1;
}
uint32_t interpolate_maximum(int m)
{
const int idx = markers[m].index;
markers[m].frequency = frequencies[idx];
if (idx > 0 && idx < sweep_points-1)
{
const float y1 = actual_t[idx - 1];
const float y2 = actual_t[idx + 0];
const float y3 = actual_t[idx + 1];
const float d = 0.5f * (y1 - y3) / ((y1 - (2 * y2) + y3) + 1e-12f);
//const float bin = (float)idx + d;
const int32_t delta_Hz = abs((int64_t)frequencies[idx + 0] - frequencies[idx + 1]);
markers[m].frequency += (int32_t)(delta_Hz * d);
}
}
#define MAX_MAX 4
int
@ -1453,7 +1488,8 @@ search_maximum(int m, int center, int span)
}
}
markers[m].index = max_index[0];
markers[m].frequency = frequencies[markers[m].index];
interpolate_maximum(m);
// markers[m].frequency = frequencies[markers[m].index];
return found;
}
@ -1590,6 +1626,22 @@ static pureRSSI_t correct_RSSI;
static pureRSSI_t correct_RSSI_freq;
systime_t start_of_sweep_timestamp;
static systime_t sweep_elapsed = 0; // Time since first start of sweeping, used only for auto attenuate
static uint8_t signal_is_AM = false;
static uint8_t check_for_AM = false;
static void calculate_static_correction(void) // Calculate the static part of the RSSI correction
{
correct_RSSI =
#ifdef __SI4432__
getSI4432_RSSI_correction()
#endif
- get_signal_path_loss()
+ float_TO_PURE_RSSI(
+ get_level_offset()
+ get_attenuation()
- setting.offset);
}
pureRSSI_t perform(bool break_on_operation, int i, uint32_t f, int tracking) // Measure the RSSI for one frequency, used from sweep and other measurement routines. Must do all HW setup
{
@ -1624,15 +1676,7 @@ pureRSSI_t perform(bool break_on_operation, int i, uint32_t f, int tracking)
// setting.sweep_time_us = setting.actual_sweep_time_us;
}
if (MODE_INPUT(setting.mode)) {
correct_RSSI =
#ifdef __SI4432__
getSI4432_RSSI_correction()
#endif
- get_signal_path_loss()
+ float_TO_PURE_RSSI(
+ get_level_offset()
+ get_attenuation()
- setting.offset);
calculate_static_correction();
}
// if (MODE_OUTPUT(setting.mode) && setting.additional_step_delay_us < 500) // Minimum wait time to prevent LO from lockup during output frequency sweep
// setting.additional_step_delay_us = 500;
@ -1690,7 +1734,7 @@ pureRSSI_t perform(bool break_on_operation, int i, uint32_t f, int tracking)
#endif
}
}
if (setting.mode == M_LOW && S_IS_AUTO(setting.agc) && UNIT_IS_LOG(setting.unit)) { // If in low input mode with auto AGC and log unit
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
if (f < 1500000)
auto_set_AGC_LNA(false, f*9/1500000);
else
@ -2056,6 +2100,10 @@ static bool sweep(bool break_on_operation)
uint32_t agc_peak_freq = 0;
float agc_peak_rssi = -150;
float agc_prev_rssi = -150;
int last_AGC_value = 0;
uint8_t last_AGC_direction_up = false;
int AGC_flip_count = 0;
// if (setting.mode== -1)
// return;
// START_PROFILE;
@ -2072,9 +2120,15 @@ static bool sweep(bool break_on_operation)
modulation_counter = 0; // init modulation counter in case needed
int refreshing = false;
if (dirty) // Calculate new scanning solution
if (dirty) { // Calculate new scanning solution
sweep_counter = 0;
else if ( MODE_INPUT(setting.mode) && setting.frequency_step > 0) {
if (get_sweep_frequency(ST_SPAN) < 300000) // Check if AM signal
check_for_AM = true;
else {
signal_is_AM = false;
check_for_AM = false;
}
} else if ( MODE_INPUT(setting.mode) && setting.frequency_step > 0) {
sweep_counter++;
if (sweep_counter > 50 ) { // refresh HW after 50 sweeps
dirty = true;
@ -2154,6 +2208,16 @@ sweep_again: // stay in sweep loop when output mo
#ifdef __DEBUG_AGC__ // For debugging the AGC control
stored_t[i] = (SI4432_Read_Byte(0x69) & 0x01f) * 3.0 - 90.0; // Display the AGC value in the stored trace
#endif
if (check_for_AM) {
int AGC_value = (SI4432_Read_Byte(0x69) & 0x01f) * 3.0 - 90.0;
if (AGC_value < last_AGC_value && last_AGC_direction_up ) {
AGC_flip_count++;
} else if (AGC_value > last_AGC_value && !last_AGC_direction_up ) {
AGC_flip_count++;
}
last_AGC_value = AGC_value;
}
if (scandirty || setting.average == AV_OFF) { // Level calculations
actual_t[i] = RSSI;
age[i] = 0;
@ -2363,27 +2427,47 @@ sweep_again: // stay in sweep loop when output mo
redraw_request |= REDRAW_CAL_STATUS;
#ifdef __SI4432__
SI4432_Sel = SI4432_RX ;
#if 0 // this should never happen
if (setting.atten_step) {
set_switch_transmit(); // This should never happen
} else {
set_switch_receive();
}
#endif
dirty = true; // Needed to recalculate the correction factor
#endif
calculate_static_correction(); // Update correction
// dirty = true; // Needed to recalculate the correction factor
}
}
// ---------------------------------- auto AGC ----------------------------------
if (!in_selftest && MODE_INPUT(setting.mode) && S_IS_AUTO(setting.agc)) {
float actual_max_level = actual_t[max_index[0]] - get_attenuation();
if (UNIT_IS_LINEAR(setting.unit)) { // Auto AGC in linear mode
if (actual_max_level > - 45)
auto_set_AGC_LNA(false, 0); // Strong signal, no AGC and no LNA
else
auto_set_AGC_LNA(TRUE, 0);
}
if (!in_selftest && MODE_INPUT(setting.mode)) {
if (S_IS_AUTO(setting.agc)) {
float actual_max_level = actual_t[max_index[0]] - get_attenuation();
if (UNIT_IS_LINEAR(setting.unit)) { // Auto AGC in linear mode
if (actual_max_level > - 45)
auto_set_AGC_LNA(false, 0); // Strong signal, no AGC and no LNA
else
auto_set_AGC_LNA(TRUE, 0);
}
if (check_for_AM) {
if (signal_is_AM) {
if (actual_max_level < - 40 )
signal_is_AM = false;
} else {
if (AGC_flip_count > 20 && actual_max_level >= - 40)
signal_is_AM = true;
}
if (signal_is_AM) { // if log mode and AM signal
auto_set_AGC_LNA(false, 16); // LNA on and no AGC
} else {
auto_set_AGC_LNA(TRUE, 0);
}
}
} else
signal_is_AM = false;
}
@ -2447,7 +2531,8 @@ sweep_again: // stay in sweep loop when output mo
while (m < MARKERS_MAX) {
if (markers[m].enabled && markers[m].mtype & M_TRACKING) { // Available marker found
markers[m].index = max_index[i];
markers[m].frequency = frequencies[markers[m].index];
interpolate_maximum(m);
// markers[m].frequency = frequencies[markers[m].index];
#if 0
float v = actual_t[markers[m].index] - 10.0; // -10dB points
int index = markers[m].index;
@ -2469,19 +2554,7 @@ sweep_again: // stay in sweep loop when output mo
#endif
#if 1 // Hyperbolic interpolation, can be removed to save memory
const int idx = markers[m].index;
if (idx > 0 && idx < sweep_points-1)
{
const float y1 = actual_t[idx - 1];
const float y2 = actual_t[idx + 0];
const float y3 = actual_t[idx + 1];
const float d = 0.5f * (y1 - y3) / ((y1 - (2 * y2) + y3) + 1e-12f);
//const float bin = (float)idx + d;
const int32_t delta_Hz = abs((int64_t)frequencies[idx + 0] - frequencies[idx + 1]);
markers[m].frequency += (int32_t)(delta_Hz * d);
}
#endif
interpolate_maximum(m);
m++;
break; // Next maximum
}
@ -2492,7 +2565,7 @@ sweep_again: // stay in sweep loop when output mo
while (m < MARKERS_MAX) { // Insufficient maxima found
if (markers[m].enabled && markers[m].mtype & M_TRACKING) { // More available markers found
markers[m].index = 0; // Enabled but no max so set to left most frequency
markers[m].frequency = frequencies[markers[m].index];
markers[m].frequency = frequencies[0];
}
m++; // Try next marker
}
@ -2531,7 +2604,7 @@ sweep_again: // stay in sweep loop when output mo
markers[2].index = marker_search_right_min(markers[0].index);
if (markers[2].index < 0) markers[1].index = setting._sweep_points - 1;
markers[2].frequency = frequencies[markers[2].index];
} else if (setting.measurement == M_PASS_BAND && markers[0].index > 10) { // ----------------Pass band measurement
} else if ((setting.measurement == M_PASS_BAND || setting.measurement == M_FM) && markers[0].index > 10) { // ----------------Pass band measurement
int t = 0;
float v = actual_t[markers[0].index] - 3.0;
while (t < markers[0].index && actual_t[t+1] < v) // Find left -3dB point
@ -2893,6 +2966,13 @@ void draw_cal_status(void)
ili9341_drawstring("ARMED", x, y);
}
if (signal_is_AM) {
color = BRIGHT_COLOR_RED;
ili9341_set_foreground(color);
y += YSTEP + YSTEP/2 ;
ili9341_drawstring("AM", x, y);
}
// if (setting.mode == M_LOW) {
// Attenuation
if (setting.auto_attenuation)
@ -3580,6 +3660,7 @@ void self_test(int test)
ili9341_clear_screen();
reset_settings(M_LOW);
set_refer_output(-1);
#ifdef DOESNOTFIT
} else if (test == 1) {
float p2, p1, p;
in_selftest = true; // Spur search
@ -3747,9 +3828,7 @@ void self_test(int test)
reset_settings(M_LOW);
setting.step_delay_mode = SD_NORMAL;
setting.step_delay = 0;
}
#ifdef DOESNOTFIT
else if (test == 5) {
} else if (test == 5) {
// reset_settings(M_LOW); // Make sure we are in a defined state
in_selftest = true;
switch (setting.test_argument) {
@ -3786,8 +3865,8 @@ void self_test(int test)
break;
}
in_selftest = false;
}
#endif
}
show_test_info = FALSE;
in_selftest = false;
test_wait = false;

12
si4432.c
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@ -208,14 +208,6 @@ static void shiftOutBuf(uint8_t *buf, uint16_t size) {
}
#endif
//float setting_frequency_10mhz = 1000000.0;
void set_10mhz(float f)
{
config.setting_frequency_10mhz = f;
config_save();
}
int SI4432_step_delay = 1500;
int SI4432_offset_delay = 1500;
#define MINIMUM_WAIT_FOR_RSSI 280
@ -474,8 +466,8 @@ void SI4432_Set_Frequency ( uint32_t Freq ) {
hbsel = 0;
}
uint8_t sbsel = 1 << 6;
uint32_t N = (Freq / setting_frequency_10mhz - 24)&0x1F;
uint32_t K = Freq % setting_frequency_10mhz;
uint32_t N = (Freq / config.setting_frequency_10mhz - 24)&0x1F;
uint32_t K = Freq % config.setting_frequency_10mhz;
uint32_t Carrier = (K<<2) / 625;
uint8_t Freq_Band = N | hbsel | sbsel;
// int count = 0;

30
ui.c
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@ -32,6 +32,7 @@ uistat_t uistat = {
marker_delta: FALSE,
marker_noise: FALSE,
marker_tracking : FALSE,
auto_center_marker : FALSE,
text : "",
};
@ -332,7 +333,8 @@ touch_cal_exec(void)
ili9341_clear_screen();
ili9341_line(0, 0, 0, 32);
ili9341_line(0, 0, 32, 0);
ili9341_drawstring("TOUCH UPPER LEFT", 10, 10);
ili9341_line(0, 0, 32, 32);
ili9341_drawstring("TOUCH UPPER LEFT", 40, 40);
touch_wait_release();
x1 = last_touch_x;
@ -341,7 +343,8 @@ touch_cal_exec(void)
ili9341_clear_screen();
ili9341_line(LCD_WIDTH-1, LCD_HEIGHT-1, LCD_WIDTH-1, LCD_HEIGHT-32);
ili9341_line(LCD_WIDTH-1, LCD_HEIGHT-1, LCD_WIDTH-32, LCD_HEIGHT-1);
ili9341_drawstring("TOUCH LOWER RIGHT", 230, 220);
ili9341_line(LCD_WIDTH-1, LCD_HEIGHT-1, LCD_WIDTH-32, LCD_HEIGHT-32);
ili9341_drawstring("TOUCH LOWER RIGHT", 210, 200);
touch_wait_release();
x2 = last_touch_x;
@ -798,6 +801,10 @@ static UI_FUNCTION_CALLBACK(menu_marker_op_cb)
case 1: /* MARKER->STOP */
case 2: /* MARKER->CENTER */
set_sweep_frequency(data, freq);
if (data == 2) {
uistat.lever_mode = LM_SPAN;
uistat.auto_center_marker = true;
}
break;
case 3: /* MARKERS->SPAN */
{
@ -870,7 +877,10 @@ static UI_FUNCTION_CALLBACK(menu_marker_search_cb)
}
if (i != -1) {
markers[active_marker].index = i;
markers[active_marker].frequency = frequencies[i];
if (data > 1) // Maximum related
interpolate_maximum(active_marker);
else
markers[active_marker].frequency = frequencies[i];
}
draw_menu();
redraw_marker(active_marker);
@ -1306,6 +1316,7 @@ menu_invoke(int item)
break;
case MT_CALLBACK: {
uistat.auto_center_marker = false;
menuaction_cb_t cb = (menuaction_cb_t)menu->reference;
if (cb) (*cb)(item, menu->data);
// if (!(menu->type & MT_FORM))
@ -1313,6 +1324,7 @@ menu_invoke(int item)
break;
}
case MT_ADV_CALLBACK: {
uistat.auto_center_marker = false;
menuaction_acb_t cb = (menuaction_acb_t)menu->reference;
if (cb) (*cb)(item, menu->data, NULL);
// if (!(menu->type & MT_FORM))
@ -1324,6 +1336,7 @@ menu_invoke(int item)
break;
case MT_KEYPAD:
uistat.auto_center_marker = false;
if (menu->type & MT_FORM) {
area_width = AREA_WIDTH_NORMAL - MENU_BUTTON_WIDTH;
redraw_frame(); // Remove form numbers
@ -2137,7 +2150,8 @@ lever_search_marker(int status)
i = marker_search_right_max(markers[active_marker].index);
if (i != -1) {
markers[active_marker].index = i;
markers[active_marker].frequency = frequencies[i];
interpolate_maximum(active_marker);
// markers[active_marker].frequency = frequencies[i];
}
redraw_marker(active_marker);
}
@ -2167,6 +2181,12 @@ static void
lever_zoom_span(int status)
{
uint32_t span = get_sweep_frequency(ST_SPAN);
if (uistat.auto_center_marker) {
uint32_t freq = get_marker_frequency(active_marker);
search_maximum(active_marker, freq, 10 );
if (freq != 0)
set_sweep_frequency(ST_CENTER, freq);
}
if (status & EVT_UP) {
span = step_round(span - 1);
} else if (status & EVT_DOWN) {
@ -2229,7 +2249,7 @@ ui_process_normal(void)
if (status & EVT_BUTTON_SINGLE_CLICK) {
ui_mode_menu();
} else {
switch (uistat.lever_mode) {
switch (uistat.lever_mode) {
case LM_MARKER: lever_move_marker(status); break;
case LM_SEARCH: lever_search_marker(status); break;
case LM_CENTER:

34
ui_sa.c
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@ -761,7 +761,7 @@ static UI_FUNCTION_ADV_CALLBACK(menu_measure_acb)
#ifdef __MEASURE__
switch(data) {
case M_OFF: // Off
reset_settings(setting.mode);
// reset_settings(setting.mode);
set_measurement(M_OFF);
break;
case M_IMD: // IMD
@ -836,7 +836,7 @@ static UI_FUNCTION_ADV_CALLBACK(menu_measure_acb)
// SetAverage(4);
break;
case M_PASS_BAND: // STop band measurement
case M_PASS_BAND: // Stop band measurement
// reset_settings(setting.mode);
markers[0].enabled = M_ENABLED;
markers[0].mtype = M_REFERENCE | M_TRACKING;
@ -870,32 +870,44 @@ static UI_FUNCTION_ADV_CALLBACK(menu_measure_acb)
ui_mode_keypad(KM_CENTER);
ui_process_keypad();
center = uistat.value;
kp_help_text = "Modulation frequency, 2 .. 10 kHz";
kp_help_text = "Modulation frequency, 3 .. 10 kHz";
ui_mode_keypad(KM_SPAN);
ui_process_keypad();
if (uistat.value < 2000)
if (uistat.value < 3000)
break;
span = uistat.value + 1500; // Enlarge span for RBW width
set_sweep_frequency(ST_SPAN, 100000); // 100kHz
span = uistat.value;
set_sweep_frequency(ST_SPAN, 50000); // 100kHz
// update_frequencies(); // To ensure markers are positioned right!!!!!!
set_measurement(M_AM);
set_marker_frequency(0, center);
set_marker_frequency(1, center-span);
set_marker_frequency(2, center+span);
set_average(4);
break;
case M_FM: // FM
reset_settings(setting.mode);
for (int i = 0; i< 3; i++) {
markers[i].enabled = M_ENABLED;
markers[i].mtype = M_DELTA | M_TRACKING;
markers[i].mtype = M_DELTA;
}
markers[0].mtype = M_REFERENCE | M_TRACKING;
markers[0].mtype = M_REFERENCE;
kp_help_text = "Frequency of signal";
ui_mode_keypad(KM_CENTER);
ui_process_keypad();
kp_help_text = "Frequency deviation";
set_marker_frequency(0, uistat.value);
kp_help_text = "Modulation frequency: 1 .. 2.5kHz";
ui_mode_keypad(KM_SPAN);
ui_process_keypad();
set_sweep_frequency(ST_SPAN, uistat.value*30);
if (uistat.value < 1000 || uistat.value > 2500)
break;
set_RBW(uistat.value/100);
// actual_rbw_x10
kp_help_text = "Frequency deviation: 3 .. 500kHz";
ui_mode_keypad(KM_SPAN);
ui_process_keypad();
if (uistat.value < 12000)
uistat.value = 12000; // minimum span
set_sweep_frequency(ST_SPAN, uistat.value*4);
set_measurement(M_FM);
break;
case M_THD:
@ -1015,6 +1027,7 @@ static UI_FUNCTION_ADV_CALLBACK(menu_marker_select_acb)
return;
}
markers[data-1].enabled = true;
// interpolate_maximum(data-1); // possibly not a maximum
markers[data-1].frequency = frequencies[markers[data-1].index];
active_marker_select(data-1);
menu_push_submenu(menu_marker_modify);
@ -2150,7 +2163,6 @@ set_numeric_value(void)
break;
case KM_10MHZ:
set_10mhz(uistat.value);
dirty = true;
break;
case KM_OFFSET:
set_offset(uistat.value);

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