ibmpc: Protocol detection between AT and XT

[max/tmk_keyboard.git] / tmk_core / protocol / ibmpc.h

diff --git a/tmk_core/protocol/ibmpc.h b/tmk_core/protocol/ibmpc.h
index fc117f23c174cd8b7d09d0a4df4fd68e6d7419f6..5dcf2aa1a456436b516d43c3c658235a355c5295 100644 (file)
--- a/tmk_core/protocol/ibmpc.h
+++ b/tmk_core/protocol/ibmpc.h
@@ -70,15 +70,19 @@ POSSIBILITY OF SUCH DAMAGE.
 #define IBMPC_RESEND      0xFE
 #define IBMPC_SET_LED     0xED
 
-#define IBMPC_PROTOCOL_AT   0
-#define IBMPC_PROTOCOL_XT   1
+#define IBMPC_PROTOCOL_NO       0
+#define IBMPC_PROTOCOL_AT       1
+#define IBMPC_PROTOCOL_XT_IBM   2
+#define IBMPC_PROTOCOL_XT_CLONE 3
 
-// TODO: error numbers
+// Error numbers
 #define IBMPC_ERR_NONE        0
 #define IBMPC_ERR_RECV        0x00
 #define IBMPC_ERR_SEND        0x10
 #define IBMPC_ERR_TIMEOUT     0x20
 #define IBMPC_ERR_FULL        0x40
+#define IBMPC_ERR_ILLEGAL     0x80
+#define IBMPC_ERR_FF          0xFF
 
 #define IBMPC_LED_SCROLL_LOCK 0
 #define IBMPC_LED_NUM_LOCK    1