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Frequency setting corrected

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Removed_REF_marker
erikkaashoek 5 years ago
parent b246d33550
commit 83a6a82053
4 changed files with 74 additions and 49 deletions
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7
radio_config_Si4468_short.h
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@ -6,6 +6,13 @@
#undef RF_MODEM_AGC_CONTROL_1
#define RF_MODEM_AGC_CONTROL_1 0x11, 0x20, 0x01, 0x35, 0xF1 // Override AGC gain increase
#undef RF_GPIO_PIN_CFG
#define RF_GPIO_PIN_CFG GLOBAL_GPIO_PIN_CFG
#undef RF_GLOBAL_CLK_CFG_1
#define RF_GLOBAL_CLK_CFG_1 GLOBAL_CLK_CFG
#undef RADIO_CONFIGURATION_DATA_ARRAY
#define RADIO_CONFIGURATION_DATA_ARRAY { \
0x10, RF_MODEM_MOD_TYPE_12_1, \

49
sa_core.c
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@ -1200,17 +1200,16 @@ void set_freq(int V, unsigned long freq) // translate the requested frequency
}
}
if (freq) {
ADF4351_set_frequency(V-ADF4351_LO,freq,setting.drive-12);
real_old_freq[V] = freq;
real_old_freq[V] = ADF4351_set_frequency(V-ADF4351_LO,freq,setting.drive-12);
}
} else if (V==ADF4351_LO2){
ADF4351_set_frequency(V-ADF4351_LO,freq,setting.drive-12);
real_old_freq[V] = ADF4351_set_frequency(V-ADF4351_LO,freq,setting.drive-12);
} else
if (V==SI4463_RX) {
if (setting.frequency_step<930000) // maximum step size is 937.49kHz
SI4463_set_freq(freq,setting.frequency_step);
else
SI4463_set_freq(freq,1000);
SI4463_set_freq(freq,100);
old_frequency_step = setting.frequency_step;
}
#ifdef __ULTRA_SA__
@ -1501,7 +1500,7 @@ static const int spur_table[] = // Frequencies t
{
117716000,
746083000,
1956000000,
// 1956000000,
#if 0
// 580000, // 433.8 MHz table
// 880000, //?
@ -1882,10 +1881,10 @@ modulation_again:
}
#endif
#ifdef __SI4463__
if ((setting.mode == M_LOW || setting.mode == M_GENLOW ) && i == 0)
{
set_freq (SI4463_RX , local_IF);
}
// if ((setting.mode == M_LOW || setting.mode == M_GENLOW ) && i == 0)
// {
// set_freq (SI4463_RX , local_IF);
// }
#endif
#ifdef __ULTRA__
} else if (setting.mode == M_ULTRA) { // No above/below IF mode in Ultra
@ -1939,25 +1938,31 @@ modulation_again:
#ifdef __ADF4351__
// START_PROFILE;
if (setting.mode == M_LOW) {
if (i > 0 && setting.frequency_step < 2000) {
if (S_STATE(setting.below_IF))
set_freq (SI4463_RX, setting.frequency_IF + setting.frequency_step*i); // sweep RX, local_IF = 0 in high mode
else
set_freq (SI4463_RX, setting.frequency_IF - setting.frequency_step*i); // sweep RX, local_IF = 0 in high mode
} else {
uint32_t extra_IF = local_IF;
if (config.frequency_IF2 != 0) {
extra_IF = config.frequency_IF2;
set_freq (ADF4351_LO2, config.frequency_IF2 - local_IF); // Down from IF2 to fixed second IF in Ultra SA mode
local_IF = config.frequency_IF2;
}
uint32_t target_f;
if (!setting.tracking && S_STATE(setting.below_IF)) { // if in low input mode and below IF
if (lf > extra_IF + 138000000)
set_freq (ADF4351_LO, lf - extra_IF); // set LO SI4432 to below IF frequency
if (lf > local_IF + 138000000)
target_f = lf - local_IF; // set LO SI4432 to below IF frequency
else
set_freq (ADF4351_LO, extra_IF-lf); // set LO SI4432 to below IF frequency
target_f = local_IF-lf; // set LO SI4432 to below IF frequency
} else
set_freq (ADF4351_LO, extra_IF+lf); // otherwise to above IF
}
target_f = local_IF+lf; // otherwise to above IF
set_freq(ADF4351_LO, target_f);
int32_t error_f = 0;
if (real_old_freq[ADF4351_LO] > target_f) {
error_f = real_old_freq[ADF4351_LO] - target_f;
if (error_f > actual_rbw_x10 * 100)
local_IF += error_f;
}
if (target_f > real_old_freq[ADF4351_LO]) {
error_f = - (target_f - real_old_freq[ADF4351_LO]);
if ( error_f < - actual_rbw_x10 * 100)
local_IF += error_f;
}
set_freq (SI4463_RX, local_IF); // compensate ADF error with SI446x
} else if (setting.mode == M_HIGH) {
set_freq (SI4463_RX, lf); // sweep RX, local_IF = 0 in high mode
}

55
si4432.c
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@ -906,14 +906,10 @@ int ADF4351_frequency_changed = false;
#define DEBUGLN(X)
#define XTAL 26.0
double RFout, //Output freq in MHz
#if 1 //Black modules
PFDRFout[6] = {50.0,50.0,50.0,10.0,10.0,10.0}, //Reference freq in MHz
Chrystal[6] = {50.0,50.0,50.0,10.0,10.0,10.0},
#else // Green modules
PFDRFout[6] = {10.0,10.0,10.0,10.0,10.0,10.0}, //Reference freq in MHz
Chrystal[6] = {10.0,10.0,10.0,10.0,10.0,10.0},
#endif
PFDRFout[6] = {XTAL,XTAL,XTAL,10.0,10.0,10.0}, //Reference freq in MHz
Chrystal[6] = {XTAL,XTAL,XTAL,10.0,10.0,10.0},
OutputChannelSpacing = 0.001, // = 0.01
FRACF; // Temp
@ -945,7 +941,7 @@ void ADF4351_Setup(void)
// while(1) {
//
ADF4351_R_counter(8);
ADF4351_R_counter(2);
ADF4351_set_frequency(0,2000000000,0);
@ -1002,17 +998,18 @@ void ADF4351_enable_output(void)
ADF4351_Set(0);
}
void ADF4351_set_frequency(int channel, uint32_t freq, int drive) // freq / 10Hz
uint32_t ADF4351_set_frequency(int channel, uint32_t freq, int drive) // freq / 10Hz
{
// freq -= 71000;
uint32_t offs = ((freq / 1000)* ( 0) )/ 1000;
// uint32_t offs = 0;
ADF4351_prep_frequency(channel,freq + offs, drive);
// uint32_t offs = ((freq / 1000)* ( 0) )/ 1000;
uint32_t offs = 0;
uint32_t actual_freq = ADF4351_prep_frequency(channel,freq + offs, drive);
//START_PROFILE;
ADF4351_Set(channel);
ADF4351_frequency_changed = true;
ADF4351_Set(channel);
//STOP_PROFILE;
return actual_freq;
}
void ADF4351_spur_mode(int S)
@ -1077,7 +1074,7 @@ static uint32_t gcd(uint32_t x, uint32_t y)
return x;
}
void ADF4351_prep_frequency(int channel, unsigned long freq, int drive) // freq / 10Hz
uint32_t ADF4351_prep_frequency(int channel, unsigned long freq, int drive) // freq / 10Hz
{
// START_PROFILE;
// if (channel == 0)
@ -1125,8 +1122,8 @@ void ADF4351_prep_frequency(int channel, unsigned long freq, int drive) // freq
}
INTA = (RFout * OutputDivider) / PFDRFout[channel];
MOD = (PFDRFout[channel] / OutputChannelSpacing) + 0.01;
// MOD = 3125;
// MOD = (PFDRFout[channel] / OutputChannelSpacing) + 0.01;
MOD = 3125;
FRACF = (((RFout * OutputDivider) / PFDRFout[channel]) - INTA) * MOD;
FRAC = round(FRACF);
@ -1135,13 +1132,14 @@ void ADF4351_prep_frequency(int channel, unsigned long freq, int drive) // freq
MOD = MOD >> 1;
// Serial.println( "MOD/FRAC reduced");
}
#if 0 // Don't reduce for now <-----------------------------------------------------
int32_t k = gcd(FRAC, MOD);
if (k > 1) {
FRAC /= k;
MOD /= k;
// Serial.print( "MOD/FRAC gcd reduced");
}
#endif
// while (denom >= (1<<20)) {
// num >>= 1;
// denom >>= 1;
@ -1172,6 +1170,7 @@ void ADF4351_prep_frequency(int channel, unsigned long freq, int drive) // freq
// DEBUG(" FRACF=");
// DEBUGF(FRACF,6);
}
uint32_t actual_freq = 1000000 * PFDRFout[channel] *(INTA + ((double)FRAC)/MOD)/OutputDivider;
registers[0] = 0;
registers[0] = INTA << 15; // OK
FRAC = FRAC << 3;
@ -1225,6 +1224,7 @@ void ADF4351_prep_frequency(int channel, unsigned long freq, int drive) // freq
// bitSet (registers[4], 10); // Mute till lock
// ADF4351_Set(channel);
// STOP_PROFILE;
return actual_freq;
}
#endif
@ -1438,6 +1438,9 @@ static const uint8_t SI4463_config[] = RADIO_CONFIGURATION_DATA_ARRAY;
#undef RADIO_CONFIGURATION_DATA_ARRAY
#include "radio_config_Si4468_default.h"
#define GLOBAL_GPIO_PIN_CFG 0x13, 0x07, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00
#define GLOBAL_CLK_CFG 0x11, 0x00, 0x01, 0x01, 0x00
//#undef RF_MODEM_RAW_CONTROL_10 // Override RSSI averaging
//#define RF_MODEM_RAW_CONTROL_10 0x11, 0x20, 0x0A, 0x45, 0x03, 0x00, 0x00, 0x01, 0x00, 0xFF, 0x06, 0x18, 0x10, 0x40
@ -1447,6 +1450,11 @@ static const uint8_t SI4463_config[] = RADIO_CONFIGURATION_DATA_ARRAY;
//#undef RF_MODEM_RSSI_JUMP_THRESH_4
//#define RF_MODEM_RSSI_JUMP_THRESH_4 0x11, 0x20, 0x04, 0x4B, 0x06, 0x09, 0x10, 0x45 // Increase RSSI reported value with 2.5dB
#undef RF_GPIO_PIN_CFG
#define RF_GPIO_PIN_CFG GLOBAL_GPIO_PIN_CFG
#undef RF_GLOBAL_CLK_CFG_1
#define RF_GLOBAL_CLK_CFG_1 GLOBAL_CLK_CFG
static const uint8_t SI4468_config[] = RADIO_CONFIGURATION_DATA_ARRAY;
#endif
@ -1507,9 +1515,13 @@ void SI4463_clear_int_status()
void Si4463_set_refer(int ref)
{
ref = 0; // <--------------------- DISABLED FOR PROTOTYPE!!!!!!!!!!!!!!!!!!!!!!!!!
if (ref >= 0) {
uint8_t data[8] = {
0x13, 0x08, 0x08, 0x07, 0x12, 0x00, 0x00, 0x00 // GPIO_PIN_CFG GPIO 0 input ,1 CTS, clock div out
0x13, 0x07, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00 // GPIO_PIN_CFG GPIO 0 input ,1 CTS, clock div out
};
SI4463_do_api(data, 8, NULL, 0);
@ -2046,7 +2058,8 @@ static int prev_band = -1;
void SI4463_set_freq(uint32_t freq, uint32_t step_size)
{
uint32_t offs = ((freq / 1000)* 147) / 1000;
// uint32_t offs = ((freq / 1000)* 147) / 1000;
uint32_t offs = 0;
float RFout=(freq+offs)/1000000.0; // To MHz
if (RFout >= 822 && RFout <= 1140) { // till 1140MHz
SI4463_band = 0;
@ -2078,13 +2091,13 @@ void SI4463_set_freq(uint32_t freq, uint32_t step_size)
if (freq < SI4463_prev_freq || freq > SI4463_prev_freq + 255 * SI4463_step_size ) {
SI4463_channel = 128;
SI4463_channel = 0; // 128 <--------------------------BUG!!!!!!!!!!!!!!!!!!!!!!!!!!
SI4463_prev_freq = freq - SI4463_channel * SI4463_step_size;
RFout -= SI4463_channel * SI4463_step_size / 1000000.0; // shift for channel 128
int32_t R = (RFout * SI4463_outdiv) / (Npresc ? 2*freq_xco : 4*freq_xco) - 1; // R between 0x00 and 0x7f (127)
float MOD = 520251.0;
float MOD = 524288.0;
int32_t F = (((RFout * SI4463_outdiv) / (Npresc ? 2*freq_xco : 4*freq_xco)) - R) * MOD;
setState(SI446X_STATE_READY);

4
si4432.h
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@ -159,8 +159,8 @@ void ADF4351_Setup(void);
void ADF4351_WriteRegister32(int channel, const uint32_t value);
void ADF4351_set_frequency(int channel, uint32_t freq, int drive_strength);
void ADF4351_prep_frequency(int channel, uint32_t freq, int drive_strength);
uint32_t ADF4351_set_frequency(int channel, uint32_t freq, int drive_strength);
uint32_t ADF4351_prep_frequency(int channel, uint32_t freq, int drive_strength);
//int ADF4351_set_frequency_with_offset(uint32_t freq, int offset, uint8_t drive_strength);
void ADF4351_Set(int channel);
void ADF4351_enable_output(void);

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