writing api for scratch buffer

bsp_q7s/memory/scratchApi.h

@@ -0,0 +1,49 @@
+#ifndef BSP_Q7S_MEMORY_SCRATCHAPI_H_
+#define BSP_Q7S_MEMORY_SCRATCHAPI_H_
+
+#include "fsfw/returnvalues/HasReturnvaluesIF.h"
+#include "linux/utility/utility.h"
+
+#include <iostream>
+#include <sstream>
+#include <type_traits>
+#include <cstdlib>
+
+/**
+ * @brief   API for the scratch buffer
+ */
+namespace scratch {
+
+namespace {
+static size_t counter = 0;
+}
+
+template<typename T, class = typename std::enable_if<std::is_unsigned<T>::value>::type>
+inline ReturnValue_t writeNumber(std::string name, T num) noexcept {
+    std::ostringstream oss;
+    oss << "xsc_scratch write " << name << " " << num;
+    int result = std::system(oss.str().c_str());
+    if(result != 0) {
+        utility::handleSystemError(result, "scratch::writeNumber");
+        return HasReturnvaluesIF::RETURN_FAILED;
+    }
+    return HasReturnvaluesIF::RETURN_OK;
+}
+
+template<typename T, class = typename std::enable_if<std::is_unsigned<T>::value>::type>
+inline ReturnValue_t readNumber(std::string name, T& num) noexcept {
+    std::ostringstream oss;
+    oss << "xsc_scratch read " << name << " > /tmp/scratchro" << counter++;
+    int result = std::system(oss.str().c_str());
+    if(result != 0) {
+        utility::handleSystemError(result, "scratch::writeNumber");
+        return HasReturnvaluesIF::RETURN_FAILED;
+    }
+    return HasReturnvaluesIF::RETURN_OK;
+}
+
+ReturnValue_t writeString(std::string name, std::string string);
+
+}
+
+#endif /* BSP_Q7S_MEMORY_SCRATCHAPI_H_ */