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-rw-r--r--protocol/ps2.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/protocol/ps2.h b/protocol/ps2.h
index b780d01a29..483eea7209 100644
--- a/protocol/ps2.h
+++ b/protocol/ps2.h
@@ -70,11 +70,13 @@ POSSIBILITY OF SUCH DAMAGE.
#define PS2_RESEND 0xFE
#define PS2_SET_LED 0xED
+// TODO: error numbers
#define PS2_ERR_NONE 0
#define PS2_ERR_STARTBIT1 1
#define PS2_ERR_STARTBIT2 2
#define PS2_ERR_STARTBIT3 3
#define PS2_ERR_PARITY 0x10
+#define PS2_ERR_NODATA 0x20
#define PS2_LED_SCROLL_LOCK 0
#define PS2_LED_NUM_LOCK 1