summaryrefslogtreecommitdiff
path: root/keyboards/lets_split/i2c.c
diff options
context:
space:
mode:
Diffstat (limited to 'keyboards/lets_split/i2c.c')
-rw-r--r--keyboards/lets_split/i2c.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/keyboards/lets_split/i2c.c b/keyboards/lets_split/i2c.c
index c72789403e..084c890c40 100644
--- a/keyboards/lets_split/i2c.c
+++ b/keyboards/lets_split/i2c.c
@@ -6,6 +6,8 @@
#include <stdbool.h>
#include "i2c.h"
+#ifdef USE_I2C
+
// Limits the amount of we wait for any one i2c transaction.
// Since were running SCL line 100kHz (=> 10μs/bit), and each transactions is
// 9 bits, a single transaction will take around 90μs to complete.
@@ -157,3 +159,4 @@ ISR(TWI_vect) {
// Reset everything, so we are ready for the next TWI interrupt
TWCR |= (1<<TWIE) | (1<<TWINT) | (ack<<TWEA) | (1<<TWEN);
}
+#endif