diff -r 243ef6c91dbb -r d5e2cb9e31f1 src/lib/AbstractParser.cpp
--- a/src/lib/AbstractParser.cpp	Sun Jun 20 10:23:50 2021 +0200
+++ b/src/lib/AbstractParser.cpp	Sun Jun 20 20:16:46 2021 +0200
@@ -45,7 +45,7 @@
 	delete implementation;
 }
 
-void AbstractParser::write(const char* buffer, const size_t length) {
+void AbstractParser::write(const uint8_t* buffer, const size_t length) {
 	try {
 		// TODO: do not write to the buffer, just append in read()/peek() and write just the part that was not read during this cycle
 		implementation->buffer.write(buffer, length);
@@ -74,11 +74,11 @@
 	implementation->buffer.commitRead();
 }
 
-void AbstractParser::read(char* buffer, const size_t length) {
+void AbstractParser::read(uint8_t* buffer, const size_t length) {
 	implementation->buffer.read(buffer, length);
 }
 
-void AbstractParser::peek(char* buffer, const size_t length) {
+void AbstractParser::peek(uint8_t* buffer, const size_t length) {
 	implementation->buffer.read(buffer, length);
 }