diff --git a/F1:F103/AS3935-lightning/as3935.bin b/F1:F103/AS3935-lightning/as3935.bin
index d8a2f69..69e28a7 100755
Binary files a/F1:F103/AS3935-lightning/as3935.bin and b/F1:F103/AS3935-lightning/as3935.bin differ
diff --git a/F1:F103/AS3935-lightning/as3935.c b/F1:F103/AS3935-lightning/as3935.c
index dc3dba5..6615d01 100644
--- a/F1:F103/AS3935-lightning/as3935.c
+++ b/F1:F103/AS3935-lightning/as3935.c
@@ -43,6 +43,14 @@ static int as3935_write(uint8_t reg, uint8_t data){
     return TRUE;
 }
 
+int as3935_get_displco(uint8_t *n){
+    t_tun_disp t;
+    if(!as3935_read(TUN_DISP, &t.u8)) return FALSE; // we need to save old `tun_cap` value
+    *n = t.DISP_TRCO + 2 * t.DISP_SRCO + 3 * t.DISP_LCO;
+    return TRUE;
+}
+
+
 // display on IRQ: nothing (0), TRCO (1), SRCO (2) or LCO (3)
 int as3935_displco(uint8_t n){
     if(n > 3) return FALSE;
@@ -74,6 +82,14 @@ int as3935_tuncap(uint8_t n){
     return as3935_write(TUN_DISP, t.u8);
 }
 
+int as3935_get_tuncap(uint8_t *n){
+    t_tun_disp t;
+    if(!as3935_read(TUN_DISP, &t.u8)) return FALSE;
+    *n = t.TUN_CAP;
+    return TRUE;
+}
+
+#if 0
 // set gain
 int as3935_gain(uint8_t n){
     if(n > 0x1f) return FALSE;
@@ -82,22 +98,34 @@ int as3935_gain(uint8_t n){
     g.AFE_GB = n;
     return as3935_write(AFE_GAIN, g.u8);
 }
+#endif
 
+#include "usb_dev.h"
+#include "strfunc.h"
 // starting calibration
 int as3935_calib_rco(){
     t_tun_disp t;
+    USB_sendstr("1\n");
     if(!as3935_read(TUN_DISP, &t.u8)) return FALSE;
+    USB_sendstr("2\n");
     if(!as3935_write(CALIB_RCO, DIRECT_COMMAND)) return FALSE;
+    USB_sendstr("3\n");
     t.DISP_LCO = t.DISP_TRCO = 0;
     t.DISP_SRCO = 1;
     if(!as3935_write(TUN_DISP, t.u8)) return FALSE;
+    USB_sendstr("4\n");
     uint32_t Tstart = Tms;
-    while(Tms - Tstart < 5) IWDG->KR = IWDG_REFRESH; // sleep for 5ms
+    while(Tms - Tstart < 3) IWDG->KR = IWDG_REFRESH; // sleep for ~2ms
     t.DISP_SRCO = 0;
+    USB_sendstr("5\n");
     if(!as3935_write(TUN_DISP, t.u8)) return FALSE;
+    while(Tms - Tstart < 300) IWDG->KR = IWDG_REFRESH; // sleep for ~2ms
     t_calib srco, trco;
+    USB_sendstr("6\n");
     if(!as3935_read(CALIB_TRCO, &trco.u8)) return FALSE;
+    USB_sendstr(uhex2str(trco.u8)); newline();
     if(!as3935_read(CALIB_SRCO, &srco.u8)) return FALSE;
+    USB_sendstr(uhex2str(srco.u8)); newline();
     if(!srco.CALIB_DONE || !trco.CALIB_DONE) return FALSE;
     return TRUE;
 }
@@ -112,13 +140,20 @@ int as3935_wakeup(){
 }
 
 // set amplifier gain
-int as3935_set_gain(uint8_t g){
+int as3935_gain(uint8_t g){
     if(g > 0x1f) return FALSE;
     t_afe_gain a = {0};
     a.AFE_GB = g;
     return as3935_write(AFE_GAIN, a.u8);
 }
 
+int as3935_get_gain(uint8_t *n){
+    t_afe_gain g;
+    if(!as3935_read(AFE_GAIN, &g.u8)) return FALSE;
+    *n = g.AFE_GB;
+    return TRUE;
+}
+
 // watchdog threshold
 int as3935_wdthres(uint8_t t){
     if(t > 0x0f) return FALSE;
@@ -128,6 +163,13 @@ int as3935_wdthres(uint8_t t){
     return as3935_write(THRESHOLD, thres.u8);
 }
 
+int as3935_get_wdthres(uint8_t *n){
+    t_threshold thres;
+    if(!as3935_read(THRESHOLD, &thres.u8)) return FALSE;
+    *n = thres.WDTH;
+    return TRUE;
+}
+
 // noice floor level
 int as3935_nflev(uint8_t l){
     if(l > 7) return FALSE;
@@ -137,6 +179,13 @@ int as3935_nflev(uint8_t l){
     return as3935_write(THRESHOLD, thres.u8);
 }
 
+int as3935_get_nflev(uint8_t *n){
+    t_threshold thres;
+    if(!as3935_read(THRESHOLD, &thres.u8)) return FALSE;
+    *n = thres.NF_LEV;
+    return TRUE;
+}
+
 // spike rejection
 int as3935_srej(uint8_t s){
     if(s > 0xf) return FALSE;
@@ -146,6 +195,13 @@ int as3935_srej(uint8_t s){
     return as3935_write(LIGHTNING_REG, lr.u8);
 }
 
+int as3935_get_srej(uint8_t *n){
+    t_lightning_reg lr;
+    if(!as3935_read(LIGHTNING_REG, &lr.u8)) return FALSE;
+    *n = lr.SREJ;
+    return TRUE;
+}
+
 // minimal lighting number
 int as3935_minnumlig(uint8_t n){
     if(n > 3) return FALSE;
@@ -155,6 +211,13 @@ int as3935_minnumlig(uint8_t n){
     return as3935_write(LIGHTNING_REG, lr.u8);
 }
 
+int as3935_get_minnumlig(uint8_t *n){
+    t_lightning_reg lr;
+    if(!as3935_read(LIGHTNING_REG, &lr.u8)) return FALSE;
+    *n = lr.MIN_NUM_LIG;
+    return TRUE;
+}
+
 // clear amount of lightnings for last 15 min
 int as3935_clearstat(){
     t_lightning_reg lr;
@@ -173,7 +236,7 @@ int as3935_intcode(uint8_t *code){
 }
 
 // should interrupt react on disturbers?
-int as3935_mask_disturber(uint8_t m){
+int as3935_maskdist(uint8_t m){
     if(m > 1) return FALSE;
     t_int_mask_ant i;
     if(!as3935_read(INT_MASK_ANT, &i.u8)) return FALSE;
@@ -181,6 +244,13 @@ int as3935_mask_disturber(uint8_t m){
     return as3935_write(INT_MASK_ANT, i.u8);
 }
 
+int as3935_get_maskdist(uint8_t *n){
+    t_int_mask_ant i;
+    if(!as3935_read(INT_MASK_ANT, &i.u8)) return FALSE;
+    *n = i.MASK_DIST;
+    return TRUE;
+}
+
 // set Fdiv of antenna LCO
 int as3935_lco_fdiv(uint8_t d){
     if(d > 3) return FALSE;
@@ -190,6 +260,13 @@ int as3935_lco_fdiv(uint8_t d){
     return as3935_write(INT_MASK_ANT, i.u8);
 }
 
+int as3935_get_lco_fdiv(uint8_t *n){
+    t_int_mask_ant i;
+    if(!as3935_read(INT_MASK_ANT, &i.u8)) return FALSE;
+    *n = i.LCO_FDIV;
+    return TRUE;
+}
+
 // calculate last lightning energy
 int as3935_energy(uint32_t *E){
     if(!E) return FALSE;
diff --git a/F1:F103/AS3935-lightning/as3935.creator.user b/F1:F103/AS3935-lightning/as3935.creator.user
index 438cf16..22f7fa6 100644
--- a/F1:F103/AS3935-lightning/as3935.creator.user
+++ b/F1:F103/AS3935-lightning/as3935.creator.user
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <!DOCTYPE QtCreatorProject>
-<!-- Written by QtCreator 19.0.0, 2026-04-08T23:46:21. -->
+<!-- Written by QtCreator 19.0.0, 2026-04-11T00:25:21. -->
 <qtcreator>
  <data>
   <variable>EnvironmentId</variable>
diff --git a/F1:F103/AS3935-lightning/as3935.h b/F1:F103/AS3935-lightning/as3935.h
index 00e5038..876971c 100644
--- a/F1:F103/AS3935-lightning/as3935.h
+++ b/F1:F103/AS3935-lightning/as3935.h
@@ -121,23 +121,29 @@ typedef union{
 // distance out of range
 #define DIST_OUT_OF_RANGE   (0x3f)
 
-int as3935_open(const char *path, uint8_t id);
-int as3935_getter(uint8_t reg, uint8_t *data);
-int as3935_setter(uint8_t reg, uint8_t data);
 int as3935_displco(uint8_t n);
+int as3935_get_displco(uint8_t *n);
 int as3935_tuncap(uint8_t n);
+int as3935_get_tuncap(uint8_t *n);
 int as3935_gain(uint8_t n);
+int as3935_get_gain(uint8_t *n);
 int as3935_wakeup();
 int as3935_calib_rco();
-int as3935_set_gain(uint8_t g);
+//int as3935_set_gain(uint8_t g);
 int as3935_wdthres(uint8_t t);
+int as3935_get_wdthres(uint8_t *t);
 int as3935_nflev(uint8_t l);
+int as3935_get_nflev(uint8_t *l);
 int as3935_srej(uint8_t s);
+int as3935_get_srej(uint8_t *s);
 int as3935_minnumlig(uint8_t n);
+int as3935_get_minnumlig(uint8_t *n);
 int as3935_clearstat();
 int as3935_intcode(uint8_t *code);
-int as3935_mask_disturber(uint8_t m);
+int as3935_maskdist(uint8_t m);
+int as3935_get_maskdist(uint8_t *m);
 int as3935_lco_fdiv(uint8_t d);
+int as3935_get_lco_fdiv(uint8_t *d);
 int as3935_energy(uint32_t *E);
 int as3935_distance(uint8_t *d);
 int as3935_resetdef();
diff --git a/F1:F103/AS3935-lightning/commproto.cpp b/F1:F103/AS3935-lightning/commproto.cpp
index 4017970..0810a3e 100644
--- a/F1:F103/AS3935-lightning/commproto.cpp
+++ b/F1:F103/AS3935-lightning/commproto.cpp
@@ -22,6 +22,7 @@ extern "C"{
 #include <stm32f1.h>
 
 #include "adc.h"
+#include "as3935.h"
 #include "commproto.h"
 #include "hardware.h"
 #include "spi.h"
@@ -43,12 +44,27 @@ static uint8_t curbuf[MAXSTRLEN];
 
 // list of all commands and handlers
 #define COMMAND_TABLE \
+    COMMAND(clearstat,  "clear amount of lightnings for last 15 min") \
+    COMMAND(displco,    "display on LCO: 0- nothing, 1- TRCO, 2- SRCO, 3- LCO") \
+    COMMAND(distance,   "distance to lightning, km") \
+    COMMAND(energy,     "energy of last lightning") \
+    COMMAND(gain,       "change sensor's gain (0..1f)") \
     COMMAND(help,       "show this help") \
+    COMMAND(intcode,    "last interrupt code") \
+    COMMAND(lco_fdiv,   "set Fdiv of antenna LCO") \
+    COMMAND(maskdist,   "mask (1) or unmask (0) disturber") \
     COMMAND(mcutemp,    "get MCU temperature (degC*10)") \
     COMMAND(mcureset,   "reset MCU") \
-    COMMAND(SPI,        "transfer SPI data: SPI=data (hex)") \
+    COMMAND(minnumlig,  "ninimal lightnings number (0..2)") \
+    COMMAND(nflev,      "noice floor level (0..7)") \
+    COMMAND(resetdef,   "reset sensor to defaults") \
+    COMMAND(SPI,        "transfer SPI data: SPIx=data (hex)") \
+    COMMAND(srej,       "spike rejection (0..15)") \
     COMMAND(time,       "show current time (ms)") \
-    COMMAND(vdd,        "get approx Vdd value (V*100)")
+    COMMAND(tuncap,     "set 'tune capasitors' to given value") \
+    COMMAND(vdd,        "get approx Vdd value (V*100)") \
+    COMMAND(wakeup,     "wake-up given sensor and make its calibration") \
+    COMMAND(wdthres,    "watchdog threshold (0..15)" )
 
 typedef struct {
     const char *name;
@@ -106,7 +122,6 @@ static char *splitargs(char *args, int32_t *parno){
     return next;
 }
 
-#if 0
 /**
  * @brief argsvals - split `args` into `parno` and setter's value
  * @param args - rest of string after command
@@ -125,7 +140,6 @@ static bool argsvals(char *args, int32_t *parno, int32_t *parval){
     }
     return false;
 }
-#endif
 
 static errcodes_t cmd_time(const char *cmd, char _U_ *args){
     CMDEQ();
@@ -177,6 +191,91 @@ static errcodes_t cmd_help(const char _U_ *cmd, char _U_ *args){
     return ERR_AMOUNT;
 }
 
+static errcodes_t senscmd8(int32_t CHno, int (*cmd)(uint8_t), int32_t arg){
+    if(CHno < 0 || CHno >= SENSORS_AMOUNT) return ERR_BADPAR;
+    uint8_t par = static_cast<uint8_t>(arg);
+    CS(CHno);
+    int ans = cmd(par);
+    CS_OFF();
+    if(ans) return ERR_OK;
+    return ERR_CANTRUN;
+}
+
+static errcodes_t getta(const char *cmd, int32_t CHno, int (*fn)(uint8_t*)){
+    if(CHno < 0 || CHno >= SENSORS_AMOUNT) return ERR_BADPAR;
+    uint8_t par;
+    CS(CHno);
+    int ans = fn(&par);
+    CS_OFF();
+    if(!ans) return ERR_CANTRUN;
+    CMDEQP(CHno); SEND(u2str(par)); SEND("\n");
+    return ERR_AMOUNT;
+}
+
+static errcodes_t senscmd(int32_t CHno, int (*cmd)()){
+    if(CHno < 0 || CHno >= SENSORS_AMOUNT) return ERR_BADPAR;
+    CS(CHno);
+    int ans = cmd();
+    CS_OFF();
+    if(ans) return ERR_OK;
+    return ERR_CANTRUN;
+}
+
+static errcodes_t cmd_displco(const char *cmd, char *args){
+    int32_t CHno, val;
+    if(!argsvals(args, &CHno, &val)) return getta(cmd, CHno, as3935_get_displco);
+    errcodes_t ret = senscmd8(CHno, as3935_displco, val);
+    if(ret == ERR_OK) DISPLCO[CHno] = val;
+    return ret;
+}
+
+#define AS3935_FN8(nm) \
+static errcodes_t cmd_ ## nm(const char* cmd, char* args){ \
+    int32_t CHno = -1, val; \
+    if(!argsvals(args, &CHno, &val)) return getta(cmd, CHno, as3935_get_ ## nm); \
+    return senscmd8(CHno, as3935_ ## nm, val);}
+
+#define AS3935_FN(nm) \
+static errcodes_t cmd_ ## nm(const char*, char* args){ \
+        int32_t CHno = -1; \
+        splitargs(args, &CHno); \
+        return senscmd(CHno, as3935_ ## nm);}
+
+AS3935_FN8(tuncap)
+AS3935_FN8(gain)
+AS3935_FN8(wdthres)
+AS3935_FN8(nflev)
+AS3935_FN8(srej)
+AS3935_FN8(minnumlig)
+AS3935_FN8(maskdist)
+AS3935_FN8(lco_fdiv)
+AS3935_FN(wakeup)
+AS3935_FN(clearstat)
+AS3935_FN(resetdef)
+
+#define AS3935_GU8(nm) \
+static errcodes_t cmd_ ## nm(const char* cmd, char* args){ \
+    int32_t CHno = -1; uint8_t par;\
+    splitargs(args, &CHno); \
+    if(CHno < 0 || CHno >= SENSORS_AMOUNT) return ERR_BADPAR; \
+    CS(CHno); int ans = as3935_ ## nm(&par); CS_OFF(); \
+    if(!ans) return ERR_CANTRUN; \
+    CMDEQP(CHno); SEND(u2str(par)); SEND("\n"); \
+    return ERR_AMOUNT; }
+
+AS3935_GU8(intcode)
+AS3935_GU8(distance)
+
+static errcodes_t cmd_energy(const char* cmd, char* args){
+    int32_t CHno = -1; uint32_t par;
+    splitargs(args, &CHno);
+    if(CHno < 0 || CHno >= SENSORS_AMOUNT) return ERR_BADPAR;
+    CS(CHno); int ans = as3935_energy(&par); CS_OFF();
+    if(!ans) return ERR_CANTRUN;
+    CMDEQP(CHno); SEND(u2str(par)); SEND("\n");
+    return ERR_AMOUNT;
+}
+
 /**
  * @brief parse_hex_data - data parsing in case of `hex + text` input format
  * @param input - input string
@@ -224,7 +323,7 @@ static errcodes_t cmd_SPI(const char _U_ *cmd, char *args){
     int32_t CHno;
     char *setter = splitargs(args, &CHno);
     if(!setter) return ERR_BADVAL;
-    if(CHno < 0 || CHno > 1) return ERR_BADPAR;
+    if(CHno < 0 || CHno >= SENSORS_AMOUNT) return ERR_BADPAR;
     int len = parse_hex_data(setter, curbuf, MAXSTRLEN);
     if(len <= 0) return ERR_BADVAL;
     CS(CHno);
diff --git a/F1:F103/AS3935-lightning/hardware.h b/F1:F103/AS3935-lightning/hardware.h
index f89ba38..9ac5a8b 100644
--- a/F1:F103/AS3935-lightning/hardware.h
+++ b/F1:F103/AS3935-lightning/hardware.h
@@ -20,6 +20,9 @@
 
 #include <stm32f1.h>
 
+// amount of connected sensors
+#define SENSORS_AMOUNT  2
+
 // LED0 - PC13 (bluepill), blinking each second
 #define LED0_port       GPIOC
 #define LED0_pin        (1<<13)
@@ -41,5 +44,14 @@
 // INT pins: PA0/PA1
 #define CHK_INT(x)      ((GPIOA->IDR & (1<<x)) ? 1 : 0)
 
+enum{
+    DISPLCO_NOTHING,
+    DISPLCO_TRCO,
+    DISPLCO_SRCO,
+    DISPLCO_LCO
+};
+
+extern uint8_t DISPLCO[SENSORS_AMOUNT];
+
 void hw_setup();
 void iwdg_setup();
diff --git a/F1:F103/AS3935-lightning/main.c b/F1:F103/AS3935-lightning/main.c
index 5e86d16..077b30b 100644
--- a/F1:F103/AS3935-lightning/main.c
+++ b/F1:F103/AS3935-lightning/main.c
@@ -23,6 +23,8 @@
 #include "strfunc.h"
 #include "usb_dev.h"
 
+uint8_t DISPLCO[SENSORS_AMOUNT] = {0};
+
 volatile uint32_t Tms = 0;
 static char inbuff[RBINSZ];
 
@@ -45,6 +47,12 @@ int main(){
 #endif
     //usart_setup();
     USBPU_ON();
+    // wake-up all sensors and run auto-calibration
+    for(int ch = 0; ch < SENSORS_AMOUNT; ++ch){
+        CS(ch);
+        as3935_wakeup();
+        CS_OFF();
+    }
     while(1){
         IWDG->KR = IWDG_REFRESH; // refresh watchdog
         if(Tms - lastT > 499){
@@ -57,7 +65,8 @@ int main(){
             const char *ans = parse_cmd(USB_sendstr, inbuff);
             if(ans) USB_sendstr(ans);
         }
-        for(int ch = 0; ch < 2; ++ch){
+        for(int ch = 0; ch < SENSORS_AMOUNT; ++ch){
+            if(DISPLCO[ch] == DISPLCO_NOTHING) continue; // don't check IRQ in if it used as clock output
             if(CHK_INT(ch)){
                 if(oldint[ch] == 0){
                     oldint[ch] = 1;
diff --git a/F1:F103/AS3935-lightning/version.inc b/F1:F103/AS3935-lightning/version.inc
index 6f740fe..34c03ee 100644
--- a/F1:F103/AS3935-lightning/version.inc
+++ b/F1:F103/AS3935-lightning/version.inc
@@ -1,2 +1,2 @@
-#define BUILD_NUMBER "14"
-#define BUILD_DATE "2026-04-08"
+#define BUILD_NUMBER "25"
+#define BUILD_DATE "2026-04-11"