diff --git a/Inc/AdcArtery.h b/Inc/AdcArtery.h
index 05be90b..bd85603 100644
--- a/Inc/AdcArtery.h
+++ b/Inc/AdcArtery.h
@@ -14,8 +14,12 @@ typedef struct {
     uint8_t ADC_Channel;
 
     int32_t offset;
-    int32_t mux;
-    int32_t div;
+    double mux;
+    double div;
+
+#ifdef ACCESS_ADC
+    osMutexId_t access;
+#endif
 
 } tAdcArtery;
 
@@ -23,8 +27,8 @@ tAdcArtery ADC_Initial(
         adc_type *ADCx,
         adc_channel_select_type ADC_Channel,
         int32_t offset,
-        int32_t mux,
-        int32_t div
+        double mux,
+        double div
 );
 
 tAdcIO vAdcGetIo(tAdcArtery *env);
diff --git a/Src/AdcArtery.c b/Src/AdcArtery.c
index 4703a9b..95aa51d 100644
--- a/Src/AdcArtery.c
+++ b/Src/AdcArtery.c
@@ -8,8 +8,8 @@ tAdcArtery ADC_Initial(
         adc_type *ADCx,
         adc_channel_select_type ADC_Channel,
         int32_t offset,
-        int32_t mux,
-        int32_t div
+        double mux,
+        double div
 ) {
 
     adc_common_config_type adc_common_struct;
@@ -78,6 +78,18 @@ tAdcArtery ADC_Initial(
     adc_calibration_start(ADCx);
     while (adc_calibration_status_get(ADCx));
 
+#ifdef ACCESS_ADC
+
+    tAdcArtery adc = {
+            .ADCx = ADCx,
+            .ADC_Channel = ADC_Channel,
+            .offset = offset,
+            .div = div,
+            .mux = mux,
+            .access = osMutexNew(NULL)
+    };
+
+#else
 
     tAdcArtery adc = {
             .ADCx = ADCx,
@@ -87,10 +99,44 @@ tAdcArtery ADC_Initial(
             .mux = mux
     };
 
+#endif
+
     return adc;
 }
 
 static uint16_t vAdcGet(tAdcArtery *env, uint32_t timeout) {
+
+#ifdef ACCESS_ADC
+
+    if (osMutexAcquire(env->access, 1200) == osOK) {
+
+        uint32_t endMs = SystemGetMs() + timeout;
+        uint16_t data;
+
+        adc_ordinary_software_trigger_enable(env->ADCx, TRUE);
+
+        while (adc_flag_get(env->ADCx, ADC_OCCE_FLAG) == RESET) {
+            if (SystemGetMs() > endMs) {
+                //todo error
+                osMutexRelease(env->access);
+                return 0;
+            }
+        }
+
+        data = adc_ordinary_conversion_data_get(env->ADCx);
+
+        adc_flag_clear(env->ADCx, ADC_OCCO_FLAG);
+
+        int64_t projected = (int64_t) ((double )(data + env->offset) * env->mux / env->div);
+
+        osMutexRelease(env->access);
+
+        return projected;
+    } else {
+        return 0;
+    }
+
+#else
     uint32_t endMs = SystemGetMs() + timeout;
     uint16_t data;
 
@@ -109,6 +155,7 @@ static uint16_t vAdcGet(tAdcArtery *env, uint32_t timeout) {
 
     int64_t projected = ((data + env->offset) * env->mux / env->div);
     return projected;
+#endif
 }
 
 tAdcIO vAdcGetIo(tAdcArtery *env) {