diff --git a/cube/Core/Inc/main.h b/cube/Core/Inc/main.h
index 5b294f9..44c7a27 100644
--- a/cube/Core/Inc/main.h
+++ b/cube/Core/Inc/main.h
@@ -60,6 +60,7 @@ void Error_Handler(void);
 /* Private defines -----------------------------------------------------------*/
 #define debugUart huart4
 #define mbusUart huart5
+#define frontendAdc hadc1
 #define Loop_Enable_Pin GPIO_PIN_2
 #define Loop_Enable_GPIO_Port GPIOE
 #define Loop_Disable_Pin GPIO_PIN_3
diff --git a/cube/Core/Inc/stm32f1xx_it.h b/cube/Core/Inc/stm32f1xx_it.h
index 79f8abe..643d17b 100644
--- a/cube/Core/Inc/stm32f1xx_it.h
+++ b/cube/Core/Inc/stm32f1xx_it.h
@@ -57,6 +57,7 @@ void DebugMon_Handler(void);
 void PendSV_Handler(void);
 void SysTick_Handler(void);
 void EXTI4_IRQHandler(void);
+void ADC1_2_IRQHandler(void);
 void UART4_IRQHandler(void);
 void UART5_IRQHandler(void);
 /* USER CODE BEGIN EFP */
diff --git a/cube/Core/Src/adc.c b/cube/Core/Src/adc.c
index 0ecf765..b7b79f4 100644
--- a/cube/Core/Src/adc.c
+++ b/cube/Core/Src/adc.c
@@ -35,7 +35,7 @@ void MX_ADC1_Init(void)
   */
   hadc1.Instance = ADC1;
   hadc1.Init.ScanConvMode = ADC_SCAN_DISABLE;
-  hadc1.Init.ContinuousConvMode = DISABLE;
+  hadc1.Init.ContinuousConvMode = ENABLE;
   hadc1.Init.DiscontinuousConvMode = DISABLE;
   hadc1.Init.ExternalTrigConv = ADC_SOFTWARE_START;
   hadc1.Init.DataAlign = ADC_DATAALIGN_RIGHT;
@@ -76,6 +76,9 @@ void HAL_ADC_MspInit(ADC_HandleTypeDef* adcHandle)
     GPIO_InitStruct.Mode = GPIO_MODE_ANALOG;
     HAL_GPIO_Init(Frontend_In_GPIO_Port, &GPIO_InitStruct);
 
+    /* ADC1 interrupt Init */
+    HAL_NVIC_SetPriority(ADC1_2_IRQn, 0, 0);
+    HAL_NVIC_EnableIRQ(ADC1_2_IRQn);
   /* USER CODE BEGIN ADC1_MspInit 1 */
 
   /* USER CODE END ADC1_MspInit 1 */
@@ -98,6 +101,8 @@ void HAL_ADC_MspDeInit(ADC_HandleTypeDef* adcHandle)
     */
     HAL_GPIO_DeInit(Frontend_In_GPIO_Port, Frontend_In_Pin);
 
+    /* ADC1 interrupt Deinit */
+    HAL_NVIC_DisableIRQ(ADC1_2_IRQn);
   /* USER CODE BEGIN ADC1_MspDeInit 1 */
 
   /* USER CODE END ADC1_MspDeInit 1 */
diff --git a/cube/Core/Src/stm32f1xx_it.c b/cube/Core/Src/stm32f1xx_it.c
index d0946c5..71aba10 100644
--- a/cube/Core/Src/stm32f1xx_it.c
+++ b/cube/Core/Src/stm32f1xx_it.c
@@ -59,6 +59,7 @@
 /* USER CODE END 0 */
 
 /* External variables --------------------------------------------------------*/
+extern ADC_HandleTypeDef hadc1;
 extern UART_HandleTypeDef huart4;
 extern UART_HandleTypeDef huart5;
 /* USER CODE BEGIN EV */
@@ -217,6 +218,20 @@ void EXTI4_IRQHandler(void)
   /* USER CODE END EXTI4_IRQn 1 */
 }
 
+/**
+  * @brief This function handles ADC1 and ADC2 global interrupts.
+  */
+void ADC1_2_IRQHandler(void)
+{
+  /* USER CODE BEGIN ADC1_2_IRQn 0 */
+
+  /* USER CODE END ADC1_2_IRQn 0 */
+  HAL_ADC_IRQHandler(&hadc1);
+  /* USER CODE BEGIN ADC1_2_IRQn 1 */
+
+  /* USER CODE END ADC1_2_IRQn 1 */
+}
+
 /**
   * @brief This function handles UART4 global interrupt.
   */
diff --git a/cube/Core/Src/stm32f1xx_it.c-bak b/cube/Core/Src/stm32f1xx_it.c-bak
index 8443dc1..a2d25dd 100644
--- a/cube/Core/Src/stm32f1xx_it.c-bak
+++ b/cube/Core/Src/stm32f1xx_it.c-bak
@@ -56,6 +56,7 @@
 /* USER CODE END 0 */
 
 /* External variables --------------------------------------------------------*/
+extern ADC_HandleTypeDef hadc1;
 extern UART_HandleTypeDef huart4;
 extern UART_HandleTypeDef huart5;
 /* USER CODE BEGIN EV */
@@ -212,6 +213,20 @@ void EXTI4_IRQHandler(void)
   /* USER CODE END EXTI4_IRQn 1 */
 }
 
+/**
+  * @brief This function handles ADC1 and ADC2 global interrupts.
+  */
+void ADC1_2_IRQHandler(void)
+{
+  /* USER CODE BEGIN ADC1_2_IRQn 0 */
+
+  /* USER CODE END ADC1_2_IRQn 0 */
+  HAL_ADC_IRQHandler(&hadc1);
+  /* USER CODE BEGIN ADC1_2_IRQn 1 */
+
+  /* USER CODE END ADC1_2_IRQn 1 */
+}
+
 /**
   * @brief This function handles UART4 global interrupt.
   */
diff --git a/cube/Makefile b/cube/Makefile
index 3aae2b1..849ccc8 100644
--- a/cube/Makefile
+++ b/cube/Makefile
@@ -1,6 +1,6 @@
 # Processed by ../tools/insertMyCode.sh
 ##########################################################################################################################
-# File automatically-generated by tool: [projectgenerator] version: [3.10.0-B14] date: [Thu Oct 29 22:51:14 CET 2020]
+# File automatically-generated by tool: [projectgenerator] version: [3.10.0-B14] date: [Sat Oct 31 20:50:19 CET 2020]
 ##########################################################################################################################
 
 # ------------------------------------------------
@@ -37,7 +37,7 @@ BUILD_DIR = build
 ######################################
 # C sources
 C_SOURCES =  \
-User/Src/led.c User/Src/logger.c User/Src/loopCtrl.c User/Src/main2.c User/Src/mbusComm.c User/Src/ringbuffer.c hottislib/PontCoopScheduler.c  \
+User/Src/frontend.c User/Src/led.c User/Src/logger.c User/Src/loopCtrl.c User/Src/main2.c User/Src/mbusComm.c User/Src/ringbuffer.c hottislib/PontCoopScheduler.c  \
 Core/Src/main.c \
 Core/Src/gpio.c \
 Core/Src/adc.c \
diff --git a/cube/Makefile-bak b/cube/Makefile-bak
index 4a230d6..456fe4a 100644
--- a/cube/Makefile-bak
+++ b/cube/Makefile-bak
@@ -1,5 +1,5 @@
 ##########################################################################################################################
-# File automatically-generated by tool: [projectgenerator] version: [3.10.0-B14] date: [Thu Oct 29 22:51:14 CET 2020]
+# File automatically-generated by tool: [projectgenerator] version: [3.10.0-B14] date: [Sat Oct 31 20:50:19 CET 2020]
 ##########################################################################################################################
 
 # ------------------------------------------------
diff --git a/cube/User/Inc/frontend.h b/cube/User/Inc/frontend.h
new file mode 100644
index 0000000..9d5ad1d
--- /dev/null
+++ b/cube/User/Inc/frontend.h
@@ -0,0 +1,13 @@
+#ifndef _FRONTEND_H_
+#define _FRONTEND_H_
+
+#include <stdint.h>
+#include <adc.h>
+
+
+void frontendInit();
+void frontendAdcCallback(ADC_HandleTypeDef* hadc);   
+void frontendEnable();
+void frontendDisable();
+
+#endif // _FRONTEND_H_
\ No newline at end of file
diff --git a/cube/User/Src/frontend.c b/cube/User/Src/frontend.c
new file mode 100644
index 0000000..b656eb3
--- /dev/null
+++ b/cube/User/Src/frontend.c
@@ -0,0 +1,49 @@
+#include <stdbool.h>
+
+#include <main.h>
+#include <adc.h>
+
+#include <frontend.h>
+
+#include <logger.h>
+
+
+
+static const double SHUNT_RESISTOR = 20.0;
+static const double U_REF = 3.3;
+static const double I_THRESHOLD = 0.005;
+static const uint16_t N_MAX = 4095;
+
+
+
+static volatile uint16_t frontendAdcThreshold = 0;
+static volatile bool frontendEnabled = false;
+
+
+void frontendInit() {
+    double u_threshold = I_THRESHOLD * SHUNT_RESISTOR;
+    frontendAdcThreshold = (uint16_t) (u_threshold / U_REF * ((double) N_MAX));
+    logMsg("frontendInit, threshold calculated: %d", frontendAdcThreshold);
+
+    HAL_ADCEx_Calibration_Start(&frontendAdc);
+    logMsg("frontendInit, calibration done");
+    HAL_ADC_Start_IT(&frontendAdc);
+    logMsg("frontendInit, adc started");
+}
+
+void frontendSetThreshold(uint16_t threshold) {
+    frontendAdcThreshold = threshold;
+}
+
+void frontendEnable() {
+    frontendEnabled = true;
+}
+
+void frontendDisable() {
+    frontendEnabled = false;
+}
+
+void frontendAdcCallback(ADC_HandleTypeDef* hadc) {
+    uint16_t rawValue = HAL_ADC_GetValue(hadc);
+
+}
diff --git a/cube/User/Src/main2.c b/cube/User/Src/main2.c
index 66c12eb..29522da 100644
--- a/cube/User/Src/main2.c
+++ b/cube/User/Src/main2.c
@@ -5,6 +5,7 @@
 
 #include <main.h>
 #include <usart.h>
+#include <adc.h>
 
 #include <PontCoopScheduler.h>
 
@@ -12,11 +13,13 @@
 #include <loopCtrl.h>
 #include <mbusComm.h>
 #include <logger.h>
+#include <frontend.h>
 
 
 void my_setup_1() {
     schInit();
     logInit();
+    // frontendInit();
 }
 
 void my_errorHandler() {
@@ -35,7 +38,7 @@ void my_setup_2() {
     led(RED, OFF);
     led(GREEN, ON);
 
-    schAdd(helloMeterbus, NULL, 0, 2000);
+    schAdd(helloMeterbus, NULL, 0, 10000);
 }
 
 void my_loop() {
@@ -52,3 +55,10 @@ void HAL_GPIO_EXTI_Callback(uint16_t pin) {
         loopStatusCallback();
     }
 }
+
+
+void HAL_ADC_ConvCpltCallback(ADC_HandleTypeDef* hadc) {
+    if (hadc == &frontendAdc) {
+        frontendAdcCallback(hadc);   
+    }
+}
diff --git a/cube/cube.ioc b/cube/cube.ioc
index ed42979..984fb16 100644
--- a/cube/cube.ioc
+++ b/cube/cube.ioc
@@ -1,6 +1,8 @@
 #MicroXplorer Configuration settings - do not modify
 ADC1.Channel-0\#ChannelRegularConversion=ADC_CHANNEL_1
-ADC1.IPParameters=Rank-0\#ChannelRegularConversion,master,Channel-0\#ChannelRegularConversion,SamplingTime-0\#ChannelRegularConversion,NbrOfConversionFlag
+ADC1.ContinuousConvMode=ENABLE
+ADC1.IPParameters=Rank-0\#ChannelRegularConversion,master,Channel-0\#ChannelRegularConversion,SamplingTime-0\#ChannelRegularConversion,NbrOfConversionFlag,ContinuousConvMode,NbrOfConversion
+ADC1.NbrOfConversion=1
 ADC1.NbrOfConversionFlag=1
 ADC1.Rank-0\#ChannelRegularConversion=1
 ADC1.SamplingTime-0\#ChannelRegularConversion=ADC_SAMPLETIME_1CYCLE_5
@@ -44,10 +46,11 @@ Mcu.Pin8=PB13
 Mcu.Pin9=PB14
 Mcu.PinsNb=22
 Mcu.ThirdPartyNb=0
-Mcu.UserConstants=debugUart,huart4;mbusUart,huart5
+Mcu.UserConstants=debugUart,huart4;mbusUart,huart5;frontendAdc,hadc1
 Mcu.UserName=STM32F103VCTx
 MxCube.Version=6.0.0
 MxDb.Version=DB.6.0.0
+NVIC.ADC1_2_IRQn=true\:0\:0\:false\:false\:true\:true\:true
 NVIC.BusFault_IRQn=true\:0\:0\:false\:false\:true\:false\:false
 NVIC.DebugMonitor_IRQn=true\:0\:0\:false\:false\:true\:false\:false
 NVIC.EXTI4_IRQn=true\:0\:0\:false\:false\:true\:true\:true