Stupid hotfix for keyboard hickups

1 files changed, 9 insertions, 1 deletions

diff --git a/kbc.c b/kbc.c
index a1f70b8..95665c9 100644
--- a/kbc.c
+++ b/kbc.c
@@ -360,6 +360,7 @@ static uint8_t wait_byte(void)
 
 static uint8_t cntr = 0;
 static uint8_t close_try = 0;
+static uint8_t idle_looped = 0;
 #ifdef KILLSWITCH
 static uint8_t error;
 #endif
@@ -426,7 +427,13 @@ static void state_enter(void)
 			break;
 		if (send_byte(0x00) != 0xfa)
 			break;
-		nextstate = STATE_NONE;
+
+		/* We have some issues with the keyboard failing every
+		 * now and then. Until we know more about the issue,
+		 * reset it every 256th time we enter STATE_IDLE :/ */
+		idle_looped += 1;
+		if (idle_looped != 0xff)
+			nextstate = STATE_NONE;
 		break;
 	case STATE_IDLEBLINK:
 		toutstate = STATE_IDLE;
@@ -441,6 +448,7 @@ static void state_enter(void)
 		break;
 	case STATE_INPUT:
 		toutstate = STATE_IDLE;
+		idle_looped = 0; /* input still works, reset idle counter */
 		statecntr = WAIT_INPUT;
 		if (send_byte(0xed) != 0xfa)
 			break;