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Added harmonic mixer

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tinySA
erikkaashoek 6 years ago
parent 2d430a4f58
commit 8bffd8ba36
5 changed files with 118 additions and 43 deletions
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8
main.c
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@ -37,10 +37,10 @@
#include <string.h>
#include <math.h>
extern uint32_t minFreq;
extern uint32_t maxFreq;
uint32_t frequencyStart;
uint32_t frequencyStop;
extern float minFreq;
extern float maxFreq;
float frequencyStart;
float frequencyStop;
int32_t frequencyExtra;
#define START_MIN minFreq
#define STOP_MAX maxFreq

11
nanovna.h
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@ -30,6 +30,7 @@
#define __MEASURE__
#define __SELFTEST__
#define __CALIBRATE__
#define __ULTRA__
/*
* main.c
@ -124,12 +125,12 @@ int shell_printf(const char *fmt, ...);
void toggle_sweep(void);
void load_default_properties(void);
extern float perform(bool b, int i, int32_t f, int e);
extern float perform(bool b, int i, uint32_t f, int e);
enum {
AV_OFF, AV_MIN, AV_MAX_HOLD, AV_MAX_DECAY, AV_4, AV_16
};
enum {
M_LOW, M_HIGH, M_GENLOW, M_GENHIGH,
M_LOW, M_HIGH, M_GENLOW, M_GENHIGH, M_ULTRA
};
enum {
@ -137,7 +138,11 @@ enum {
};
#define MODE_OUTPUT(x) ((x) == M_GENLOW || (x) == M_GENHIGH )
#ifdef __ULTRA__
#define MODE_INPUT(x) ((x) == M_LOW || (x) == M_HIGH || (x) == M_ULTRA )
#else
#define MODE_INPUT(x) ((x) == M_LOW || (x) == M_HIGH )
#endif
#define MODE_HIGH(x) ((x) == M_HIGH || (x) == M_GENHIGH )
#define MODE_LOW(x) ((x) == M_LOW || (x) == M_GENLOW )
#define MODE_SELECT(x) (MODE_HIGH(x) ? 1 : 0)
@ -575,7 +580,7 @@ typedef struct uistat {
int8_t digit; /* 0~5 */
int8_t digit_mode;
int8_t current_trace; /* 0..3 */
int32_t value; // for editing at numeric input area
float value; // for editing at numeric input area
// uint32_t previous_value;
uint8_t lever_mode;
uint8_t marker_delta;

105
sa_core.c
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@ -33,9 +33,9 @@ int setting_measurement;
int vbwSteps = 1;
//int setting_spur = 0;
uint32_t minFreq = 0;
uint32_t maxFreq = 520000000;
int setting_spur = 0;
float minFreq = 0;
float maxFreq = 520000000;
int setting_refer = -1; // Off by default
const int reffer_freq[] = {30000000, 15000000, 10000000, 4000000, 3000000, 2000000, 1000000};
@ -69,15 +69,24 @@ void reset_settings(int m)
trace[TRACE_TEMP].enabled = false;
setting_measurement = M_OFF;
// setting_spur = 0;
setting_spur = 0;
switch(m) {
case M_LOW:
minFreq = 0;
maxFreq = 520000000;
set_sweep_frequency(ST_START, (int32_t) 0);
set_sweep_frequency(ST_STOP, (int32_t) 350000000);
set_sweep_frequency(ST_START, (uint32_t) 0);
set_sweep_frequency(ST_STOP, (uint32_t) 350000000);
setting_attenuate = 30;
break;
#ifdef __ULTRA__
case M_ULTRA:
minFreq = 770000000;
maxFreq = 4360000000;
set_sweep_frequency(ST_START, (uint32_t) 960000000);
set_sweep_frequency(ST_STOP, (uint32_t) 2100000000);
setting_attenuate = 30;
break;
#endif
case M_GENLOW:
setting_drive=8;
minFreq = 0;
@ -290,6 +299,10 @@ void SetPowerLevel(int o)
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
}
else {
config.low_level_offset = 100;
@ -338,13 +351,13 @@ int GetActualRBW(void)
{
return((int) actual_rbw);
}
#if 0
void SetSpur(int v)
{
// setting_spur = v;
setting_spur = v;
dirty = true;
}
#endif
void SetStepDelay(int d)
{
@ -422,6 +435,10 @@ void SetScale(int s) {
//}
void SetMode(int m)
{
#ifdef __ULTRA__
if (m == 6)
m = M_ULTRA;
#endif
if (setting_mode == m)
return;
reset_settings(m);
@ -511,6 +528,9 @@ void SetRX(int m)
{
switch(m) {
case M_LOW: // Mixed into 0
#ifdef __ULTRA__
case M_ULTRA:
#endif
SI4432_Sel = 0;
SI4432_Receive();
if (setting_step_atten) {
@ -821,14 +841,14 @@ static int modulation_counter = 0;
char age[POINTS_COUNT];
float perform(bool break_on_operation, int i, int32_t f, int tracking)
float perform(bool break_on_operation, int i, uint32_t f, int tracking)
{
// long local_IF = (MODE_LOW(setting_mode)?frequency_IF + (int)(actual_rbw < 300.0?setting_spur * 1000 * actual_rbw :0):0);
long local_IF;
if (MODE_HIGH(setting_mode))
local_IF = 0;
else
local_IF = frequency_IF;
local_IF = frequency_IF + (int)(actual_rbw < 300.0?setting_spur * 1000 * actual_rbw:0);
// local_IF = frequency_IF;
if (i == 0 && dirty) {
apply_settings();
@ -865,7 +885,7 @@ float perform(bool break_on_operation, int i, int32_t f, int tracking)
float RSSI = -150.0;
int t = 0;
do {
int lf = (uint32_t)(f + (int)((t * 500 - vbwSteps * 250) * actual_rbw));
uint32_t lf = (uint32_t)(f + (int)((t * 500 - vbwSteps * 250) * actual_rbw));
if (lf < 0) lf = 0;
if (setting_mode == M_LOW && tracking) {
setFreq (0, frequency_IF + lf - reffer_freq[setting_refer]); // Offset so fundamental of reffer is visible
@ -874,11 +894,15 @@ float perform(bool break_on_operation, int i, int32_t f, int tracking)
if (setting_mode == M_LOW && !in_selftest && avoid_spur(f)) {
local_IF = spur_alternate_IF;
} else {
local_IF = frequency_IF ;
// local_IF = frequency_IF ;
}
if (setting_mode == M_GENLOW && setting_modulation == MO_EXTERNAL)
local_IF += lf;
setFreq (0, local_IF);
#ifdef __ULTRA__
} else if (setting_mode == M_ULTRA) {
// local_IF = frequency_IF;
#endif
} else
local_IF= 0;
#if 0
@ -887,13 +911,32 @@ float perform(bool break_on_operation, int i, int32_t f, int tracking)
break;
}
#endif
setFreq (1, local_IF + lf);
#ifdef __ULTRA__
if (setting_mode == M_ULTRA) {
// if (lf > 3406000000 )
// setFreq (1, local_IF/5 + lf/5);
// else
if (lf > 2446000000 )
setFreq (1, local_IF/5 + lf/5);
else
// if (lf > 1486000000)
setFreq (1, local_IF/3 + lf/3);
// else
// setFreq (1, local_IF/2 + lf/2);
} else
#endif
setFreq (1, local_IF + lf);
if (MODE_OUTPUT(setting_mode)) // No substepping in output mode
return(0);
float signal_path_loss;
if (setting_mode == M_LOW)
signal_path_loss = -9.5; // Loss in dB, -9.5 for v0.1, -12.5 for v0.2
#ifdef __ULTRA__
if (setting_mode == M_ULTRA)
signal_path_loss = -15; // Loss in dB, -9.5 for v0.1, -12.5 for v0.2
else
#endif
if (setting_mode == M_LOW)
signal_path_loss = -9.5; // Loss in dB, -9.5 for v0.1, -12.5 for v0.2
else
signal_path_loss = 7; // Loss in dB (+ is gain)
float subRSSI = SI4432_RSSI(lf, MODE_SELECT(setting_mode))+settingLevelOffset()+ setting_attenuate - signal_path_loss;
if (RSSI < subRSSI)
@ -918,7 +961,7 @@ static bool sweep(bool break_on_operation)
temppeakLevel = -150;
float temp_min_level = 100;
// spur_old_stepdelay = 0;
//again:
again:
for (int i = 0; i < sweep_points; i++) {
RSSI = perform(break_on_operation, i, frequencies[i], setting_tracking);
@ -930,12 +973,12 @@ static bool sweep(bool break_on_operation)
}
if (MODE_INPUT(setting_mode)) {
// if (setting_spur == 1) { // First pass
// temp_t[i] = RSSI;
// continue; // Skip all other processing
// }
// if (setting_spur == -1) // Second pass
// RSSI = ( RSSI < temp_t[i] ? RSSI : temp_t[i]); // Minimum of two passes
if (setting_spur == 1) { // First pass
temp_t[i] = RSSI;
continue; // Skip all other processing
}
if (setting_spur == -1) // Second pass
RSSI = ( RSSI < temp_t[i] ? RSSI : temp_t[i]); // Minimum of two passes
temp_t[i] = RSSI;
if (setting_subtract_stored) {
RSSI = RSSI - stored_t[i] ;
@ -1023,11 +1066,11 @@ static bool sweep(bool break_on_operation)
temp_min_level = actual_t[i];
}
// if (setting_spur == 1) {
// setting_spur = -1;
// goto again;
// } else if (setting_spur == -1)
// setting_spur = 1;
if (setting_spur == 1) {
setting_spur = -1;
goto again;
} else if (setting_spur == -1)
setting_spur = 1;
if (scandirty) {
scandirty = false;
@ -1335,7 +1378,7 @@ void draw_cal_status(void)
buf[5]=0;
ili9341_drawstring(buf, x, y);
}
#if 0
#if 1
if (setting_spur) {
ili9341_set_foreground(BRIGHT_COLOR_BLUE);
y += YSTEP*2;
@ -1383,7 +1426,7 @@ void draw_cal_status(void)
ili9341_drawstring("Scan:", x, y);
y += YSTEP;
int32_t t = (int)((2* vbwSteps * sweep_points * ( actualStepDelay / 100) )) /10 /* * (setting_spur ? 2 : 1) */; // in mS
int32_t t = (int)((2* vbwSteps * sweep_points * ( actualStepDelay / 100) )) /10 * (setting_spur ? 2 : 1); // in mS
if (t>1000)
plot_printf(buf, BLEN, "%dS",(t+500)/1000);
else

2
ui.c
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@ -2051,7 +2051,7 @@ keypad_click(int key)
/* numeric input done */
double value = my_atof(kp_buf) * scale;
#if 1
uistat.value = (int)value;
uistat.value = value;
set_numeric_value();
#else
switch (keypad_mode) {

35
ui_sa.c
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@ -23,7 +23,7 @@ void SetDrive(int d);
void SetIF(int f);
void SetStepDelay(int t);
extern int setting_rbw;
void SetSpur(int);
extern int setting_spur;
int GetSpur(void);
void SetAverage(int);
int GetAverage(void);
@ -473,6 +473,7 @@ extern const menuitem_t menu_highoutputmode[];
extern const menuitem_t menu_modulation[];
extern const menuitem_t menu_top[];
extern const menuitem_t menu_tophigh[];
extern const menuitem_t menu_topultra[];
static void menu_mode_cb(int item, uint8_t data)
{
@ -492,6 +493,9 @@ static void menu_mode_cb(int item, uint8_t data)
case 4:
menu_push_submenu(menu_highoutputmode);
break;
case 7:
menu_push_submenu(menu_topultra);
break;
}
// draw_cal_status();
}
@ -614,13 +618,13 @@ static void menu_drive_cb(int item, uint8_t data)
#if 0
#if 1
static void menu_spur_cb(int item, uint8_t data)
{
(void)data;
(void)item;
if (GetSpur())
if (setting_spur)
SetSpur(0);
else
SetSpur(1); // must be 0 or 1 !!!!
@ -1250,6 +1254,7 @@ static const menuitem_t menu_stimulus[] = {
{ MT_KEYPAD, KM_SPAN, "SPAN", NULL},
{ MT_KEYPAD, KM_CW, "\2ZERO\0SPAN", NULL},
{ MT_SUBMENU,0, "RBW", menu_rbw},
{ MT_CALLBACK,0, "\2SPUR\0REMOVAL", menu_spur_cb},
{ MT_CANCEL, 0, S_LARROW" BACK", NULL },
{ MT_NONE, 0, NULL, NULL } // sentinel
};
@ -1264,10 +1269,29 @@ static const menuitem_t menu_mode[] = {
{ MT_FORM | MT_CALLBACK | MT_ICON, I_HIGH_OUTPUT+I_GEN, "HIGH OUTPUT", menu_mode_cb},
{ MT_FORM | MT_SUBMENU | MT_ICON, I_CONNECT+I_GEN, "CAL OUTPUT: %s", menu_reffer},
{ MT_FORM | MT_SUBMENU | MT_ICON, I_EMPTY+I_CONFIG, "CONFIG", menu_config},
// { MT_CANCEL, 0, S_LARROW" BACK", NULL },
#ifdef __ULTRA__
{ MT_FORM | MT_CALLBACK | MT_ICON, I_LOW_INPUT+I_SA, "ULTRA HIGH INPUT",menu_mode_cb},
#endif
// { MT_CANCEL, 0, S_LARROW" BACK", NULL },
{ MT_FORM | MT_NONE, 0, NULL, NULL } // sentinel
};
#if 1
#ifdef __ULTRA__
const menuitem_t menu_topultra[] = {
{ MT_CALLBACK, 0, "RESET", menu_autosettings_cb},
{ MT_SUBMENU, 0, "FREQ", menu_stimulus},
{ MT_SUBMENU, 0, "LEVEL", menu_level},
{ MT_SUBMENU, 0, "DISPLAY", menu_display},
{ MT_SUBMENU, 0, "MARKER", menu_marker},
{ MT_SUBMENU, 0, "MEASURE", menu_measure},
{ MT_SUBMENU, 0, "SETTINGS", menu_settings},
{ MT_CANCEL, 0, S_LARROW" MODE",NULL},
{ MT_NONE, 0, NULL, NULL } // sentinel,
// MENUITEM_CLOSE,
};
#endif
const menuitem_t menu_top[] = {
{ MT_CALLBACK, 0, "RESET", menu_autosettings_cb},
{ MT_SUBMENU, 0, "FREQ", menu_stimulus},
@ -1367,6 +1391,9 @@ static void menu_item_modify_attribute(
if (item == 5 /* PAUSE */ && !(sweep_mode&SWEEP_ENABLE)) {
mark = true;
}
if (item == 6 && setting_spur) {
mark = true;
}
} else if (menu == menu_average) {
if (item == GetAverage()){
mark = true;

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