restructured everything, dummy file not necessary anymore

CMakeLists.txt

@@ -15,14 +15,7 @@ if(NOT LIB_FSFW_NAME)
     message(ERROR "LIB_FSFW_NAME needs to be set as a linkable target")
 endif()
 
-set_property(CACHE TGT_BSP PROPERTY STRINGS 
-    arm/stm32h743zi-nucleo 
-    arm/raspberrypi
-)
-
-target_sources(${LIB_FSFW_HAL_NAME} PRIVATE
-    Dummy.cpp
-)
+add_subdirectory(common)
 
 if(FSFW_HAL_ADD_LINUX)
     add_subdirectory(${LINUX_HAL_PATH_NAME})
@@ -32,6 +25,6 @@ if(FSFW_HAL_ADD_STM32H7)
     add_subdirectory(${STM32H7_PATH_NAME})
 endif()
 
-target_link_libraries(${LIB_FSFW_HAL_NAME}
+target_link_libraries(${LIB_FSFW_HAL_NAME} PRIVATE
     ${LIB_FSFW_NAME}
 )

common/CMakeLists.txt

@@ -0,0 +1 @@
+add_subdirectory(gpio)

common/gpio/CMakeLists.txt

@@ -0,0 +1,3 @@
+target_sources(${LIB_FSFW_HAL_NAME} PRIVATE
+    GpioCookie.cpp
+)

linux/CMakeLists.txt

@@ -2,7 +2,4 @@ if(FSFW_HAL_ADD_RASPBERRY_PI)
     add_subdirectory(rpi)
 endif()
 
-target_sources(${LIB_FSFW_HAL_NAME} PRIVATE
-    GpioCookie.cpp
-    LinuxLibgpioIF.cpp
-)
+add_subdirectory(gpio)

linux/gpio/CMakeLists.txt

@@ -0,0 +1,12 @@
+target_sources(${LIB_FSFW_HAL_NAME} PRIVATE
+    LinuxLibgpioIF.cpp
+)
+
+# This abstraction layer requires the gpiod library. You can install this library
+# with "sudo apt-get install -y libgpiod-dev". If you are cross-compiling, you need
+# to install the package before syncing the sysroot to your host computer.
+find_library(gpiod REQUIRED)
+
+target_link_libraries(${LIB_FSFW_HAL_NAME} PRIVATE
+    gpiod
+)

linux/gpio/LinuxLibgpioIF.cpp

@@ -1,6 +1,6 @@
 #include "LinuxLibgpioIF.h"
-#include "GpioCookie.h"
-#include "gpioDefinitions.h"
+#include "../../common/gpio/GpioCookie.h"
+#include "../../common/gpio/gpioDefinitions.h"
 
 #include <fsfw/serviceinterface/ServiceInterface.h>
 

linux/gpio/LinuxLibgpioIF.h

@@ -1,7 +1,7 @@
 #ifndef LINUX_GPIO_LINUXLIBGPIOIF_H_
 #define LINUX_GPIO_LINUXLIBGPIOIF_H_
 
-#include "GpioIF.h"
+#include "../../common/gpio/GpioIF.h"
 #include <returnvalues/classIds.h>
 #include <fsfw/objectmanager/SystemObject.h>
 

linux/rpi/GpioRPi.cpp

@@ -1,5 +1,5 @@
 #include "GpioRPi.h"
-#include "../GpioCookie.h"
+#include "../../common/gpio/GpioCookie.h"
 #include <FSFWConfig.h>
 
 #include <fsfw/serviceinterface/ServiceInterface.h>

linux/rpi/GpioRPi.h

@@ -2,7 +2,7 @@
 #define BSP_RPI_GPIO_GPIORPI_H_
 
 #include <fsfw/returnvalues/HasReturnvaluesIF.h>
-#include "../gpioDefinitions.h"
+#include "../../common/gpio/gpioDefinitions.h"
 
 class GpioCookie;