Provide configuration of symbol unstuffing.

firmware/baseband/packet_builder.cpp

@@ -21,11 +21,18 @@
 
 #include "packet_builder.hpp"
 
-void PacketBuilder::configure(size_t new_payload_length) {
+void PacketBuilder::configure(
+	uint32_t unstuffing_pattern,
+	size_t unstuffing_length,
+	size_t new_payload_length
+) {
+	unstuff.configure(unstuffing_pattern, unstuffing_length);
+
 	if( new_payload_length <= payload.size() ) {
 		payload_length = new_payload_length;
-		reset_state();
 	}
+
+	reset_state();
 }
 
 void PacketBuilder::reset_state() {

firmware/baseband/packet_builder.hpp

@@ -30,7 +30,11 @@
 
 class PacketBuilder {
 public:
-	void configure(size_t new_payload_length);
+	void configure(
+		uint32_t unstuffing_pattern,
+		size_t unstuffing_length,
+		size_t new_payload_length
+	);
 
 	template<typename PayloadHandler>
 	void execute(

firmware/baseband/proc_fsk.cpp

@@ -50,7 +50,11 @@ void FSKProcessor::configure(const FSKConfiguration new_configuration) {
 		new_configuration.access_code_length,
 		new_configuration.access_code_tolerance
 	);
-	packet_builder.configure(new_configuration.packet_length);
+	packet_builder.configure(
+		new_configuration.unstuffing_pattern,
+		new_configuration.unstuffing_length,
+		new_configuration.packet_length
+	);
 }
 
 void FSKProcessor::execute(buffer_c8_t buffer) {