diff --git a/Makefile b/Makefile
--- a/Makefile
+++ b/Makefile
@@ -48,14 +48,12 @@ BUILD_DIR = build
 ######################################
 # C sources
 C_SOURCES =  \
-Src/system_stm32f0xx.c \
 Drivers/STM32F0xx_HAL_Driver/Src/stm32f0xx_hal_can.c \
 Drivers/STM32F0xx_HAL_Driver/Src/stm32f0xx_hal_i2c_ex.c \
 Drivers/STM32F0xx_HAL_Driver/Src/stm32f0xx_hal_rcc_ex.c \
 Drivers/STM32F0xx_HAL_Driver/Src/stm32f0xx_hal.c \
 Drivers/STM32F0xx_HAL_Driver/Src/stm32f0xx_hal_pwr.c \
 Drivers/STM32F0xx_HAL_Driver/Src/stm32f0xx_hal_dma.c \
-Src/stm32f0xx_hal_msp.c \
 Drivers/STM32F0xx_HAL_Driver/Src/stm32f0xx_hal_i2c.c \
 Drivers/STM32F0xx_HAL_Driver/Src/stm32f0xx_hal_flash.c \
 Drivers/STM32F0xx_HAL_Driver/Src/stm32f0xx_hal_pwr_ex.c \
@@ -63,10 +61,19 @@ Drivers/STM32F0xx_HAL_Driver/Src/stm32f0
 Drivers/STM32F0xx_HAL_Driver/Src/stm32f0xx_hal_flash_ex.c \
 Drivers/STM32F0xx_HAL_Driver/Src/stm32f0xx_hal_tim.c \
 Drivers/STM32F0xx_HAL_Driver/Src/stm32f0xx_hal_rcc.c \
-Src/stm32f0xx_it.c \
-Src/main.c \
 Drivers/STM32F0xx_HAL_Driver/Src/stm32f0xx_hal_gpio.c \
-Drivers/STM32F0xx_HAL_Driver/Src/stm32f0xx_hal_cortex.c  
+Drivers/STM32F0xx_HAL_Driver/Src/stm32f0xx_hal_cortex.c \
+Src/gpio.c \
+Src/main.c \
+Src/stm32f0xx_hal_msp.c \
+Src/stm32f0xx_it.c \
+Src/system_stm32f0xx.c \
+Src/system.c \
+hydrobot-sharedlibs/src/can_buffer.c \
+hydrobot-sharedlibs/src/can.c \
+hydrobot-sharedlibs/src/flash.c \
+hydrobot-sharedlibs/src/led.c \
+hydrobot-sharedlibs/src/protocol.c
 
 # ASM sources
 ASM_SOURCES =  \
@@ -84,11 +91,11 @@ PERIFLIB_SOURCES =
 #######################################
 BINPATH = 
 PREFIX = arm-none-eabi-
-CC = $(BINPATH)/$(PREFIX)gcc
-AS = $(BINPATH)/$(PREFIX)gcc -x assembler-with-cpp
-CP = $(BINPATH)/$(PREFIX)objcopy
-AR = $(BINPATH)/$(PREFIX)ar
-SZ = $(BINPATH)/$(PREFIX)size
+CC = $(PREFIX)gcc
+AS = $(PREFIX)gcc -x assembler-with-cpp
+CP = $(PREFIX)objcopy
+AR = $(PREFIX)ar
+SZ = $(PREFIX)size
 HEX = $(CP) -O ihex
 BIN = $(CP) -O binary -S
  
@@ -126,8 +133,8 @@ C_INCLUDES =  \
 -IDrivers/STM32F0xx_HAL_Driver/Inc \
 -IDrivers/STM32F0xx_HAL_Driver/Inc/Legacy \
 -IDrivers/CMSIS/Device/ST/STM32F0xx/Include \
--IDrivers/CMSIS/Include
-
+-IDrivers/CMSIS/Include \
+-Ihydrobot-sharedlibs/inc
 
 # compile gcc flags
 ASFLAGS = $(MCU) $(AS_DEFS) $(AS_INCLUDES) $(OPT) -Wall -fdata-sections -ffunction-sections