Merge branch 'development' into mueller/refactor-tmtc-stack

src/fsfw/serviceinterface/ServiceInterfaceBuffer.cpp

@@ -58,6 +58,9 @@ ServiceInterfaceBuffer::ServiceInterfaceBuffer(std::string setMessage, bool addC
 }
 
 void ServiceInterfaceBuffer::putChars(char const* begin, char const* end) {
+  if (not isActive) {
+    return;
+  }
   char array[BUF_SIZE];
   uint32_t length = end - begin;
   if (length > sizeof(array)) {

src/fsfw_hal/common/CMakeLists.txt

@@ -1 +1,3 @@
 add_subdirectory(gpio)
+
+target_sources(${LIB_FSFW_NAME} PRIVATE printChar.c)

src/fsfw_hal/common/printChar.c

@@ -0,0 +1,10 @@
+#include <stdio.h>
+#include <stdbool.h>
+
+void __attribute__((weak)) printChar(const char* character, bool errStream) {
+  if (errStream) {
+    fprintf(stderr, "%c", *character);
+  } else {
+    printf("%c", *character);
+  }
+}