added service 20

linux/gpio/GpioCookie.cpp

@@ -4,17 +4,23 @@
 GpioCookie::GpioCookie() {
 }
 
-void GpioCookie::addGpio(gpioId_t gpioId, GpioConfig_t gpioConfig){
+ReturnValue_t GpioCookie::addGpio(gpioId_t gpioId, GpioConfig_t& gpioConfig){
 	auto gpioMapIter = gpioMap.find(gpioId);
 	if(gpioMapIter == gpioMap.end()) {
 		auto statusPair = gpioMap.emplace(gpioId, gpioConfig);
 		if (statusPair.second == false) {
+#if FSFW_VERBOSE_LEVEL >= 1
 			sif::error << "GpioCookie::addGpio: Failed to add GPIO " << gpioId <<
 			        "to GPIO map" << std::endl;
+#endif
+			return HasReturnvaluesIF::RETURN_FAILED;
 		}
-		return;
+		return HasReturnvaluesIF::RETURN_OK;
 	}
+#if FSFW_VERBOSE_LEVEL >= 1
 	sif::error << "GpioCookie::addGpio: GPIO already exists in GPIO map " << std::endl;
+#endif
+	return HasReturnvaluesIF::RETURN_FAILED;
 }
 
 GpioMap GpioCookie::getGpioMap() const {

linux/gpio/GpioCookie.h

@@ -23,7 +23,7 @@ public:
 
     virtual ~GpioCookie();
 
-    void addGpio(gpioId_t gpioId, GpioConfig_t gpioConfig);
+    ReturnValue_t addGpio(gpioId_t gpioId, GpioConfig_t& gpioConfig);
     /**
      * @brief	Get map with registered GPIOs.
      */

linux/gpio/GpioIF.h

@@ -29,6 +29,7 @@ public:
 	 * 			functionality to pull a certain GPIO to high logic level.
 	 *
 	 * @param gpioId	A unique number which specifies the GPIO to drive.
+	 * @return  Returns RETURN_OK for success. This should never return RETURN_FAILED.
 	 */
 	virtual ReturnValue_t pullHigh(gpioId_t gpioId) = 0;
 

linux/gpio/LinuxLibgpioIF.h

@@ -58,6 +58,7 @@ private:
 	 * @brief   Performs the initial configuration of all GPIOs specified in the GpioMap mapToAdd.
 	 */
 	ReturnValue_t configureGpios(GpioMap& mapToAdd);
+
 };
 
 #endif /* LINUX_GPIO_LINUXLIBGPIOIF_H_ */

linux/gpio/gpioDefinitions.h

@@ -28,6 +28,9 @@ enum Direction {
  *                      pointer.
  */
 typedef struct GpioConfig {
+    GpioConfig(): chipname(), lineNum(0), consumer(), direction(gpio::Direction::OUT),
+            initValue(0) {};
+
     GpioConfig(std::string chipname_, int lineNum_, std::string consumer_,
             gpio::Direction direction_, int initValue_):
             chipname(chipname_), lineNum(lineNum_), consumer(consumer_),