quick&dirty hamming buffer implementation.

1 files changed, 11 insertions, 0 deletions

diff --git a/src/fecmodem.h b/src/fecmodem.h
index dd36f68..00487ee 100644
--- a/src/fecmodem.h
+++ b/src/fecmodem.h
@@ -9,10 +9,21 @@
 
 class FECModem : public Modem {
 	private:
+		enum HammingState : uint8_t {
+			FIRST_BYTE,
+			SECOND_BYTE
+		};
+		HammingState hammingState;
+		uint8_t buf_byte;
+
 		uint8_t parity128(uint8_t byte);
 		uint8_t parity2416(uint8_t byte1, uint8_t byte2);
 		uint8_t correct128(uint8_t *byte, uint8_t parity);
 		uint8_t hamming2416(uint8_t *byte1, uint8_t *byte2, uint8_t parity);
+	public:
+		FECModem() : Modem() { hammingState = FIRST_BYTE; };
+		uint8_t buffer_available(void);
+		uint8_t buffer_get(void);
 };
 
 extern FECModem modem;