1 files changed, 2 insertions, 0 deletions
diff --git a/i2c.h b/i2c.h
index c02e8ad..ec7fd87 100644
--- a/i2c.h
+++ b/i2c.h
@@ -27,6 +27,8 @@ typedef struct {
 	/* current byte */
 	uint8_t i;
 	twStatus status;
+	/* i2c bus status at the time if an error occured */
+	uint8_t error;
 } twReq;
 
 extern volatile twReq twr;