added SUS component creation to RPi

linux/callbacks/gpioCallbacks.h

@@ -0,0 +1,66 @@
+#pragma once
+
+#include <fsfw_hal/common/gpio/gpioDefinitions.h>
+
+class GpioIF;
+
+namespace gpioCallbacks {
+
+/**
+ * @brief   This function implements the decoding to multiply gpios by using the decoder
+ *          chips SN74LVC138APWR on the TCS board and the interface board.
+ */
+void spiCsDecoderCallback(gpioId_t gpioId, gpio::GpioOperation gpioOp, gpio::Levels value,
+                          void* args);
+
+/**
+ * @brief   This function sets mux bits 1-3 to a state which will only enable the decoder
+ *          on the TCS board which is named to IC1 in the schematic.
+ */
+void enableDecoderTcsIc1(GpioIF* gpioIF);
+
+/**
+ * @brief   This function sets mux bits 1-3 to a state which will only enable the decoder
+ *          on the TCS board which is named to IC2 in the schematic.
+ */
+void enableDecoderTcsIc2(GpioIF* gpioIF);
+
+/**
+ * @brief   This function sets mux bits 1-3 to a state which will only enable the decoder
+ *          on the inteface board board which is named to IC21 in the schematic.
+ */
+void enableDecoderInterfaceBoardIc1(GpioIF* gpioIF);
+
+/**
+ * @brief   This function sets mux bits 1-3 to a state which will only enable the decoder
+ *          on the inteface board board which is named to IC22 in the schematic.
+ */
+void enableDecoderInterfaceBoardIc2(GpioIF* gpioIF);
+
+void disableDecoderTcsIc1(GpioIF* gpioIF);
+void disableDecoderTcsIc2(GpioIF* gpioIF);
+void disableDecoderInterfaceBoardIc1(GpioIF* gpioIF);
+void disableDecoderInterfaceBoardIc2(GpioIF* gpioIF);
+
+/**
+ * @brief   Enables the reaction wheel chip select decoder (IC3).
+ */
+void enableRwDecoder(GpioIF* gpioIF);
+void disableRwDecoder(GpioIF* gpioIF);
+
+/**
+ * @brief   This function disables all decoder.
+ */
+void disableAllDecoder(GpioIF* gpioIF);
+
+/** The following functions enable the appropriate channel of the currently enabled decoder */
+void selectY0(GpioIF* gpioIF);
+void selectY1(GpioIF* gpioIF);
+void selectY2(GpioIF* gpioIF);
+void selectY3(GpioIF* gpioIF);
+void selectY4(GpioIF* gpioIF);
+void selectY5(GpioIF* gpioIF);
+void selectY6(GpioIF* gpioIF);
+void selectY7(GpioIF* gpioIF);
+
+}  // namespace gpioCallbacks