X-Git-Url: https://defiant.homedns.org/gitweb/?p=ros_wild_thumper.git;a=blobdiff_plain;f=avr%2Fmotor_ctrl%2Fmain.c;h=ec9965f68800c26812a9eadf04da5e67dd3cec81;hp=d751375d0f8138fa69896cf8c514341625b9ef27;hb=540df9f5842bf55260f494c985fd75e4c54fb7cb;hpb=ac14ad5ea1d0ae804b67ff41a7174afcf0dc00c1

diff --git a/avr/motor_ctrl/main.c b/avr/motor_ctrl/main.c
index d751375..ec9965f 100644
--- a/avr/motor_ctrl/main.c
+++ b/avr/motor_ctrl/main.c
@@ -382,7 +382,7 @@ ISR(TWI_vect)
 				default:
 					TWI_NAK;
 			}
-			ireg++;
+			if (ireg < 0xff) ireg++;
 			break;
 		case TW_ST_SLA_ACK: // start read
 		case TW_ST_DATA_ACK: // read