diff --git a/firmware/hw_layer/backup_ram.h b/firmware/hw_layer/backup_ram.h
index f9839305bc..466adbf216 100644
--- a/firmware/hw_layer/backup_ram.h
+++ b/firmware/hw_layer/backup_ram.h
@@ -34,6 +34,9 @@ typedef enum {
 	BACKUP_CJ125_CALIBRATION_HEATER,
 
 	DFU_JUMP_REQUESTED,
+
+	/* The number of stored backup variables */
+	BACKUP_RAM_NUM,
 } backup_ram_e;
 
 
@@ -41,4 +44,6 @@ typedef enum {
 uint32_t backupRamLoad(backup_ram_e idx);
 // use backup-power RTC registers (non-volatile memory) to store the data
 void backupRamSave(backup_ram_e idx, uint32_t value);
+// make sure that all changes are saved before we shutdown the MCU
+void backupRamFlush(void);
 
diff --git a/firmware/hw_layer/digital_input/trigger/trigger_input.h b/firmware/hw_layer/digital_input/trigger/trigger_input.h
index bc2714b0d5..f401b73c6b 100644
--- a/firmware/hw_layer/digital_input/trigger/trigger_input.h
+++ b/firmware/hw_layer/digital_input/trigger/trigger_input.h
@@ -19,3 +19,17 @@ void turnOnTriggerInputPins(Logging *sharedLogger);
 void applyNewTriggerInputPins(void);
 void startTriggerInputPins(void);
 void stopTriggerInputPins(void);
+
+#if HAL_TRIGGER_USE_ADC && HAL_USE_ADC
+// This detector has 2 modes for low-RPM (ADC) and fast-RPM (EXTI)
+enum triggerAdcMode_t {
+	TRIGGER_NONE = 0,
+	TRIGGER_ADC,
+	TRIGGER_EXTI,
+};
+
+adc_channel_e getAdcChannelForTrigger(void);
+void addAdcChannelForTrigger(void);
+void triggerAdcCallback(adcsample_t value);
+#endif /* HAL_USE_ADC */
+
diff --git a/firmware/hw_layer/pin_repository.cpp b/firmware/hw_layer/pin_repository.cpp
index ded995de75..4f4c44302a 100644
--- a/firmware/hw_layer/pin_repository.cpp
+++ b/firmware/hw_layer/pin_repository.cpp
@@ -181,6 +181,7 @@ void printSpiConfig(Logging *logging, const char *msg, spi_device_e device) {
 	scheduleMsg(logging, "%s %s sck=%s",  msg, getSpi_device_e(device), hwPortname(getSckPin(device)));
 }
 
+
 const char *hwPortname(brain_pin_e brainPin) {
 	if (brainPin == GPIO_INVALID) {
 		return "INVALID";
@@ -200,6 +201,7 @@ const char *hwPortname(brain_pin_e brainPin) {
 	}
 	#if (BOARD_EXT_GPIOCHIPS > 0)
 		else {
+
 			const char *pin_name = gpiochips_getPinName(brainPin);
 
 			if (pin_name) {