diff --git a/firmware/hw_layer/HIP9011.c b/firmware/hw_layer/HIP9011.cpp
similarity index 93%
rename from firmware/hw_layer/HIP9011.c
rename to firmware/hw_layer/HIP9011.cpp
index 2e062294ae..5334f44280 100644
--- a/firmware/hw_layer/HIP9011.c
+++ b/firmware/hw_layer/HIP9011.cpp
@@ -33,7 +33,7 @@ static int callbackc = 0;
 static void spiCallback(SPIDriver *spip) {
 	spiUnselectI(spip);
 
-	scheduleSimpleMsg(&logger, "spiCallback HIP=", callbackc++);
+	scheduleMsg(&logger, "spiCallback HIP=%d", callbackc++);
 
 }
 
@@ -69,7 +69,7 @@ static msg_t ivThread(int param) {
 	while (TRUE) {
 		chThdSleepMilliseconds(10);
 
-		scheduleSimpleMsg(&logger, "poking HIP=", counter++);
+		scheduleMsg(&logger, "poking HIP=%d", counter++);
 
 		spiSelect(driver);
 
diff --git a/firmware/hw_layer/hw_layer.mk b/firmware/hw_layer/hw_layer.mk
index cabba24a5c..c1fe2f6b34 100644
--- a/firmware/hw_layer/hw_layer.mk
+++ b/firmware/hw_layer/hw_layer.mk
@@ -4,7 +4,6 @@ HW_LAYERSRC = $(PROJECT_DIR)/hw_layer/pin_repository.c \
 	$(PROJECT_DIR)/hw_layer/mcp3208.c \
 	$(PROJECT_DIR)/hw_layer/max31855.c \
 	$(PROJECT_DIR)/hw_layer/lcd/lcd_HD44780.c \
-	$(PROJECT_DIR)/hw_layer/HIP9011.c \
 	$(PROJECT_DIR)/hw_layer/microsecond_timer.c \
 	$(PROJECT_DIR)/hw_layer/serial_over_usb/usbcfg.c \
 	$(PROJECT_DIR)/hw_layer/serial_over_usb/usbconsole.c \
@@ -21,5 +20,6 @@ HW_LAYER_SRC_CPP = $(PROJECT_DIR)/hw_layer/hardware.cpp \
 	$(PROJECT_DIR)/hw_layer/board_test.cpp \
 	$(PROJECT_DIR)/hw_layer/pwm_generator.cpp \
 	$(PROJECT_DIR)/hw_layer/trigger_input.cpp \
+	$(PROJECT_DIR)/hw_layer/HIP9011.cpp \
 	$(PROJECT_DIR)/hw_layer/stm32f4/mpu_util.cpp
 	
\ No newline at end of file