@ -16,9 +16,9 @@
* Boston , MA 02110 - 1301 , USA .
*/
# ifdef __SI4432__
//#ifdef __SI4432__
# include "si4432.h" // comment out for simulation
# endif
//#endif
# include "stdlib.h"
# pragma GCC push_options
@ -67,7 +67,7 @@ void update_min_max_freq(void)
switch ( setting . mode ) {
case M_LOW :
minFreq = 0 ;
maxFreq = 350000000 ;
maxFreq = DEFAULT_MAX_FREQ ;
break ;
# ifdef __ULTRA__
case M_ULTRA :
@ -77,15 +77,15 @@ void update_min_max_freq(void)
# endif
case M_GENLOW :
minFreq = 0 ;
maxFreq = 350000000 ;
maxFreq = DEFAULT_MAX_FREQ ;
break ;
case M_HIGH :
# ifdef __ULTRA_SA__
minFreq = 00000000 ;
maxFreq = 2000000000 ;
# else
minFreq = 24 * config . setting_frequency_10mhz ;
maxFreq = 96 * config . setting_frequency_10mhz ;
minFreq = HIGH_MIN_FREQ_MHZ * 1000000 ;
maxFreq = HIGH_MAX_FREQ_MHZ * 1000000 ;
# endif
break ;
case M_GENHIGH :
@ -113,6 +113,7 @@ void reset_settings(int m)
setting . show_stored = 0 ;
setting . auto_attenuation = false ;
setting . subtract_stored = 0 ;
setting . normalize_level = 0.0 ;
setting . drive = 13 ;
setting . atten_step = 0 ; // Only used in low output mode
setting . agc = S_AUTO_ON ;
@ -131,7 +132,7 @@ void reset_settings(int m)
setting . repeat = 1 ;
setting . tracking_output = false ;
setting . measurement = M_OFF ;
setting . frequency_IF = 433800000 ;
setting . frequency_IF = DEFAULT_IF ;
setting . auto_IF = true ;
setting . offset = 0.0 ;
setting . trigger = T_AUTO ;
@ -205,7 +206,7 @@ uint32_t calc_min_sweep_time_us(void) // Estimate minimum sweep time in
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 ;
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
@ -225,7 +226,7 @@ void set_refer_output(int v)
{
setting . refer = v ;
# ifdef __SI4432__
SI4432_SetReference ( setting . refer ) ;
set_calibration_freq ( setting . refer ) ;
# endif
// dirty = true;
}
@ -386,6 +387,30 @@ void set_IF(int 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
@ -524,6 +549,7 @@ void set_subtract_storage(void)
if ( ! setting . show_stored )
set_storage ( ) ;
setting . subtract_stored = true ;
setting . normalize_level = 0.0 ;
// setting.auto_attenuation = false;
} else {
setting . subtract_stored = false ;
@ -539,6 +565,7 @@ void toggle_normalize(void)
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 ;
}
@ -626,7 +653,7 @@ void set_harmonic(int h)
void set_step_delay ( int d ) // override RSSI measurement delay or set to one of three auto modes
{
if ( ( 3 < = d & & d < 25 0) | | d > 30000 ) // values 0 (normal scan), 1 (precise scan) and 2(fast scan) have special meaning and are auto calculated
if ( ( 3 < = d & & d < 10 0) | | 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 ;
@ -688,9 +715,7 @@ 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
{
@ -906,7 +931,6 @@ void set_fast_speedup(int s)
void calculate_step_delay ( void )
{
# ifdef __SI4432__
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
@ -916,6 +940,7 @@ void calculate_step_delay(void)
if ( setting . frequency_step = = 0 ) { // zero span mode, not dependent on selected RBW
SI4432_step_delay = 0 ;
} else {
# ifdef __SI4432__
# if 1 // Table for double offset delay
if ( actual_rbw_x10 > = 1910 ) { SI4432_step_delay = 300 ; SI4432_offset_delay = 100 ; }
else if ( actual_rbw_x10 > = 1420 ) { SI4432_step_delay = 350 ; SI4432_offset_delay = 100 ; }
@ -936,6 +961,7 @@ void calculate_step_delay(void)
else if ( actual_rbw_x10 > = 90 ) { SI4432_step_delay = 1700 ; SI4432_offset_delay = 400 ; }
else if ( actual_rbw_x10 > = 50 ) { SI4432_step_delay = 3300 ; SI4432_offset_delay = 400 ; }
else { SI4432_step_delay = 6400 ; SI4432_offset_delay = 1600 ; }
# endif
# endif
if ( setting . step_delay_mode = = SD_PRECISE ) // In precise mode wait twice as long for RSSI to stabalize
SI4432_step_delay * = 2 ;
@ -945,7 +971,6 @@ void calculate_step_delay(void)
if ( setting . offset_delay ! = 0 ) // Override if set
SI4432_offset_delay = setting . offset_delay ;
}
# endif
}
void apply_settings ( void ) // Ensure all settings in the setting structure are translated to the right HW setup
@ -961,7 +986,7 @@ void apply_settings(void) // Ensure all settings in the setting structure
}
# ifdef __SI4432__
SI4432_SetReference ( setting . refer ) ;
set_calibration_freq ( setting . refer ) ;
# endif
update_rbw ( ) ;
calculate_step_delay ( ) ;
@ -1045,10 +1070,10 @@ void setupSA(void)
# ifdef __SI4432__
SI4432_Init ( ) ;
# endif
old_freq [ 0 ] = 0 ;
old_freq [ 1 ] = 0 ;
real_old_freq [ 0 ] = 0 ;
real_old_freq [ 1 ] = 0 ;
for ( int i = 0 ; i < sizeof ( old_freq ) / sizeof ( unsigned long ) ; i + + ) {
old_freq [ i ] = 0 ;
real_old_freq [ i ] = 0 ;
}
# ifdef __SI4432__
SI4432_Sel = SI4432_RX ;
SI4432_Receive ( ) ;
@ -1082,7 +1107,7 @@ void setupSA(void)
void set_freq ( int V , unsigned long freq ) // translate the requested frequency into a setting of the SI4432
{
if ( old_freq [ V ] = = freq ) // Do not change HW if not needed
if ( old_freq [ V ] = = freq ) // Do not change HW if not needed
return ;
if ( V < = 1 ) {
# ifdef __SI4432__
@ -1198,8 +1223,10 @@ case M_ULTRA:
} else {
set_switch_receive ( ) ;
}
# endif
set_AGC_LNA ( ) ;
# ifdef __SI4432__
SI4432_Sel = SI4432_LO ;
if ( setting . tracking_output )
set_switch_transmit ( ) ;
@ -1207,13 +1234,13 @@ case M_ULTRA:
set_switch_off ( ) ;
// SI4432_Receive(); For noise testing only
SI4432_Transmit ( setting . drive ) ;
// SI4432_SetReference (setting.refer);
// set_calibration_freq (setting.refer);
# endif
break ;
case M_HIGH : // Direct into 1
mute :
# ifdef __SI4432__
// SI4432_SetReference (-1); // Stop reference output
// set_calibration_freq (-1); // Stop reference output
SI4432_Sel = SI4432_RX ; // both as receiver to avoid spurs
set_switch_receive ( ) ;
SI4432_Receive ( ) ;
@ -1225,8 +1252,8 @@ mute:
} else {
set_switch_receive ( ) ;
}
set_AGC_LNA ( ) ;
# endif
set_AGC_LNA ( ) ;
break ;
case M_GENLOW : // Mixed output from 0
@ -1279,27 +1306,28 @@ void update_rbw(void) // calculate the actual_rbw and the vbwSteps (#
} else {
setting . vbw_x10 = 3000 ; // trick to get right default rbw in zero span mode
}
= setting . rbw_x10 ; // requested rbw
if ( = = 0 ) { // if auto rbw
uint32_t temp_ actual_rbw_x10 = setting . rbw_x10 ; // requested rbw , 32 bit !!!!!!
if ( temp_ actual_rbw_x10 = = 0 ) { // if auto rbw
if ( setting . step_delay_mode = = SD_FAST ) { // if in fast scanning
if ( setting . fast_speedup > 2 )
= 6 * setting . vbw_x10 ; // rbw is four the frequency step to ensure no gaps in coverage as there are some weird jumps
temp_ actual_rbw_x10 = 6 * setting . vbw_x10 ; // rbw is six times the frequency step to ensure no gaps in coverage as there are some weird jumps
else
= 4 * setting . vbw_x10 ; // rbw is four the frequency step to ensure no gaps in coverage as there are some weird jumps
temp_ actual_rbw_x10 = 4 * setting . vbw_x10 ; // rbw is four times the frequency step to ensure no gaps in coverage as there are some weird jumps
} else
= 2 * setting . vbw_x10 ; // rbw is twice the frequency step to ensure no gaps in coverage
temp_ actual_rbw_x10 = 2 * setting . vbw_x10 ; // rbw is twice the frequency step to ensure no gaps in coverage
}
if ( actual_rbw_x10 < 26 )
actual_rbw_x10 = 26 ;
if ( actual_rbw_x10 > 6000 )
actual_rbw_x10 = 6000 ;
# ifdef __SI4432__
if ( temp_actual_rbw_x10 < 26 )
temp_actual_rbw_x10 = 26 ;
if ( temp_actual_rbw_x10 > 6000 )
temp_actual_rbw_x10 = 6000 ;
# endif
actual_rbw_x10 = temp_actual_rbw_x10 ; // Now it fits in 16 bit
# ifdef __SI4432__
if ( setting . spur_removal & & actual_rbw_x10 > 3000 )
actual_rbw_x10 = 2500 ; // if spur suppression reduce max rbw to fit within BPF
# ifdef __SI4432__
SI4432_Sel = MODE_SELECT ( setting . mode ) ;
actual_rbw_x10 = SI4432_SET_RBW ( actual_rbw_x10 ) ; // see what rbw the SI4432 can realize
actual_rbw_x10 = set_rbw ( actual_rbw_x10 ) ; // see what rbw the SI4432 can realize
# endif
if ( setting . frequency_step > 0 & & MODE_INPUT ( setting . mode ) ) { // When doing frequency scanning in input mode
vbwSteps = ( ( int ) ( 2 * ( setting . vbw_x10 + ( actual_rbw_x10 / 2 ) ) / actual_rbw_x10 ) ) ; // calculate # steps in between each frequency step due to rbw being less than frequency step
@ -1416,8 +1444,8 @@ search_maximum(int m, int center, int span)
}
//static int spur_old_stepdelay = 0;
static const unsigned int spur_IF = 433800000 ; // The IF frequency for which the spur table is value
static const unsigned int spur_alternate_IF = 434000000 ; // if the frequency is found in the spur table use this IF frequency
static const unsigned int spur_IF = DEFAULT_IF ; // The IF frequency for which the spur table is value
static const unsigned int spur_alternate_IF = DEFAULT_SPUR_IF ; // if the frequency is found in the spur table use this IF frequency
static const int spur_table [ ] = // Frequencies to avoid
{
// 580000, // 433.8 MHz table
@ -1653,10 +1681,12 @@ pureRSSI_t perform(bool break_on_operation, int i, uint32_t f, int tracking)
}
}
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
# ifdef __SI4432__
if ( f < 1500000 )
auto_set_AGC_LNA ( false , f * 9 / 1500000 ) ;
else
auto_set_AGC_LNA ( true , 0 ) ;
# endif
}
// Calculate the RSSI correction for later use
if ( MODE_INPUT ( setting . mode ) ) { // only cases where the value can change on 0 point of sweep
@ -1678,7 +1708,7 @@ pureRSSI_t perform(bool break_on_operation, int i, uint32_t f, int tracking)
modulation_delay + = config . cor_nfm ; // -17 default
// modulation_index = 0; // default value
}
if ( ( setting . mode = = M_GENLOW & & f > 480000000 - 433000000 ) | |
if ( ( setting . mode = = M_GENLOW & & f > 480000000 - DEFAULT_IF ) | |
( setting . mode = = M_GENHIGH & & f > 480000000 ) )
modulation_index + = 2 ;
current_fm_modulation = ( int * ) fm_modulation [ modulation_index ] ;
@ -1736,7 +1766,7 @@ modulation_again:
if ( /* MODE_INPUT(setting.mode) && */ i > 0 & & FREQ_IS_CW ( ) ) // In input mode in zero span mode after first setting of the LO's
goto skip_LO_setting ; // No more LO changes required, save some time and jump over the code
long local_IF ;
int32_t local_IF ;
again : // Spur reduction jumps to here for second measurement
@ -1744,7 +1774,7 @@ modulation_again:
local_IF = 0 ;
else {
if ( setting . auto_IF )
local_IF = setting . spur_removal ? 433900000 spur_IF ;
local_IF = setting . spur_removal ? DEFAULT_IF spur_IF ;
else
local_IF = setting . frequency_IF ;
}
@ -1760,18 +1790,17 @@ modulation_again:
# endif
# ifdef __SPUR__
} else if ( setting . mode = = M_LOW & & setting . spur_removal ) { // If in low input mode and spur reduction is on
if ( S_IS_AUTO ( setting . below_IF ) & & lf < 150000000 ) // if below 150MHz and auto_below_IF
if ( S_IS_AUTO ( setting . below_IF ) & & ( lf < local_IF / 2 | | lf > local_IF ) ) // if below 150MHz and auto_below_IF <-------------------TODO ---------------------
{ // else low/above IF
if ( setting . spur_removal = = 1 )
setting . below_IF = S_AUTO_ON ; // use below IF in first pass
else
setting . below_IF = S_AUTO_OFF ; // and above IF in second pass
}
else {
int32_t spur_offset = actual_rbw_x10 * 100 ; // Can not use below IF so calculate IF shift that hopefully will kill the spur.
else
{
if ( setting . spur_removal = = - 1 ) // If second spur pass
spur_offset = - spur_offset ; // IF shift in the other direction
local_IF = local_IF + spur_offset ; // apply IF spur shift
local_IF = local_IF + 1000000 ; // apply IF spur shift
}
# endif
}
@ -1781,7 +1810,10 @@ modulation_again:
// --------------------- IF know, set the RX SI4432 frequency ------------------------
# ifdef __SI4432__
set_freq ( SI4432_RX , local_IF ) ;
if ( setting . mode = = M_LOW | | setting . mode = = M_GENLOW )
{
set_freq ( SI4432_RX , local_IF ) ;
}
# endif
# ifdef __ULTRA__
} else if ( setting . mode = = M_ULTRA ) { // No above/below IF mode in Ultra
@ -1816,12 +1848,9 @@ modulation_again:
# endif
{ // Else set LO ('s)
# ifdef __ULTRA_SA__
//#define IF_1 2550000000
# define IF_2 2025000000 // First IF in Ultra SA mode
set_freq ( 2 , IF_2 + lf ) ; // Scanning LO up to IF2
set_freq ( 3 , IF_2 - 433800000 ) ; // Down from IF2 to fixed second IF in Ultra SA mode
set_freq ( SI4432_LO , 433800000 ) ; // Second IF fixed in Ultra SA mode
set_freq ( 2 , config . frequency_IF2 + lf ) ; // Scanning LO up to IF2
set_freq ( 3 , config . frequency_IF2 - DEFAULT_IF ) ; // Down from IF2 to fixed second IF in Ultra SA mode
set_freq ( SI4432_LO , DEFAULT_IF ) ; // Second IF fixed in Ultra SA mode
# else
# ifdef __SI4432__
if ( setting . mode = = M_LOW & & ! setting . tracking & & S_STATE ( setting . below_IF ) ) // if in low input mode and below IF
@ -1972,8 +2001,12 @@ static bool sweep(bool break_on_operation)
// if (setting.mode== -1)
// return;
// START_PROFILE;
# ifdef TINYSA3
palClearPad ( GPIOB , GPIOB_LED ) ;
# endif
# ifdef TINYSA4
palClearPad ( GPIOC , GPIOC_LED ) ;
# endif
downslope = true ; // Initialize the peak search algorithm
temppeakLevel = - 150 ;
float temp_min_level = 100 ;
@ -2025,6 +2058,7 @@ sweep_again: // stay in sweep loop when output mo
// ----------------------- in loop AGC ---------------------------------
# ifdef __SI4432__
if ( ! in_selftest & & setting . mode = = M_HIGH & & S_IS_AUTO ( setting . agc ) & & UNIT_IS_LOG ( setting . unit ) ) {
# define AGC_RSSI_THRESHOLD (-55+get_attenuation())
@ -2042,7 +2076,7 @@ sweep_again: // stay in sweep loop when output mo
else
auto_set_AGC_LNA ( TRUE , 0 ) ;
}
# endif
// Delay between points if needed, (all delays can apply in SI4432 fill)
if ( setting . measure_sweep_time_us = = 0 ) { // If not already in buffer
@ -2069,8 +2103,9 @@ sweep_again: // stay in sweep loop when output mo
if ( setting . average ! = AV_OFF )
temp_t [ i ] = RSSI ;
if ( setting . subtract_stored ) {
RSSI = RSSI - stored_t [ i ] ;
RSSI = RSSI - stored_t [ i ] + setting . normalize_level ;
}
# ifdef __SI4432__
//#define __DEBUG_AGC__
# 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
@ -2085,6 +2120,7 @@ sweep_again: // stay in sweep loop when output mo
}
last_AGC_value = AGC_value ;
}
# endif
if ( scandirty | | setting . average = = AV_OFF ) { // Level calculations
actual_t [ i ] = RSSI ;
age [ i ] = 0 ;
@ -2241,6 +2277,7 @@ sweep_again: // stay in sweep loop when output mo
# define __MIRROR_MASKING__
# ifdef __MIRROR_MASKING__
# ifdef __SI4432__
if ( setting . mode = = M_HIGH & & setting . mirror_masking ) {
int mirror_offset = 2 * 937000 / setting . frequency_step ;
// int mask_start = 0;
@ -2263,6 +2300,7 @@ sweep_again: // stay in sweep loop when output mo
}
}
# endif
# endif
// -------------------------- auto attenuate ----------------------------------
@ -2314,6 +2352,7 @@ sweep_again: // stay in sweep loop when output mo
if ( ! in_selftest & & MODE_INPUT ( setting . mode ) ) {
# ifdef __SI4432__
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
@ -2337,6 +2376,7 @@ sweep_again: // stay in sweep loop when output mo
}
}
} else
# endif
signal_is_AM = false ;
}
@ -2566,8 +2606,13 @@ sweep_again: // stay in sweep loop when output mo
// redraw_marker(peak_marker, FALSE);
// STOP_PROFILE;
# ifdef TINYSA3
palSetPad ( GPIOB , GPIOB_LED ) ;
# endif
# ifdef TINYSA4
palSetPad ( GPIOC , GPIOC_LED ) ;
# endif
return true ;
}
@ -3367,7 +3412,7 @@ void test_prepare(int i)
{
setting . tracking = false ; //Default test setup
setting . atten_step = false ;
setting . frequency_IF = 433800000 ; // Default frequency
setting . frequency_IF = DEFAULT_IF ; // Default frequency
setting . auto_IF = true ;
setting . auto_attenuation = false ;
switch ( test_case [ i ] . setup ) { // Prepare test conditions
@ -3389,7 +3434,7 @@ common_silent:
set_mode ( M_LOW ) ;
setting . tracking = true ; //Sweep BPF
setting . auto_IF = false ;
setting . frequency_IF = 433900000 ; // Center on SAW filters
setting . frequency_IF = DEFAULT_IF ; // Center on SAW filters
set_refer_output ( 2 ) ;
goto common ;
case TP_10MHZ : // 10MHz input
@ -3530,7 +3575,7 @@ void self_test(int test)
reset_settings ( M_LOW ) ;
test_prepare ( TEST_SILENCE ) ;
setting . auto_IF = false ;
setting . frequency_IF = 433850000 ;
setting . frequency_IF = DEFAULT_IF ;
setting . frequency_step = 30000 ;
if ( setting . test_argument > 0 )
setting . frequency_step = setting . test_argument ;
@ -3547,7 +3592,7 @@ void self_test(int test)
f + = setting . frequency_step ;
shell_printf ( " \n \r Starting with %4.2f, %4.2f and IF at %d and step of %d \n \r " , p2 , p1 , setting . frequency_IF , setting . frequency_step ) ;
f = 400000 ;
while ( f < 100000000 ) {
while ( f < DEFAULT_MAX_FREQ ) {
p = PURE_TO_float ( perform ( false , 1 , f , false ) ) ;
# define SPUR_DELTA 6
if ( p2 < p1 - SPUR_DELTA & & p < p1 - SPUR_DELTA ) {
@ -3595,7 +3640,7 @@ void self_test(int test)
in_selftest = true ;
// reset_settings(M_LOW);
setting . auto_IF = false ;
setting . frequency_IF = 433900000 ;
setting . frequency_IF = DEFAULT_IF ;
ui_mode_normal ( ) ;
test_prepare ( TEST_RBW ) ;
setting . step_delay = 8000 ;
@ -3614,9 +3659,8 @@ void self_test(int test)
# endif
setting . step_delay = setting . step_delay * 5 / 4 ;
setting . offset_delay = setting . step_delay / 2 ;
# ifdef __SI4432__
setting . rbw_x10 = SI4432_force_RBW ( j ) ;
# endif
setting . rbw_x10 = force_RBW ( j ) ;
shell_printf ( " RBW = %f, " , setting . rbw_x10 / 10.0 ) ;
#if 0
set_sweep_frequency ( ST_SPAN , ( uint32_t ) ( setting . rbw_x10 * 1000 ) ) ; // Wide
@ -3705,12 +3749,12 @@ void self_test(int test)
case 2 :
reset_settings ( M_LOW ) ;
set_sweep_frequency ( ST_START , 300000000 ) ;
set_sweep_frequency ( ST_STOP , 350000000 ) ;
set_sweep_frequency ( ST_STOP , DEFAULT_MAX_FREQ ) ;
break ;
case 3 :
reset_settings ( M_HIGH ) ;
set_sweep_frequency ( ST_START , 300000000 ) ;
set_sweep_frequency ( ST_STOP , 350000000 ) ;
set_sweep_frequency ( ST_STOP , DEFAULT_MAX_FREQ ) ;
break ;
case 4 :
reset_settings ( M_GENLOW ) ;
erikkaashoek
5 years ago