diff options
Diffstat (limited to 'app/i2c.c')
-rw-r--r-- | app/i2c.c | 21 |
1 files changed, 0 insertions, 21 deletions
diff --git a/app/i2c.c b/app/i2c.c deleted file mode 100644 index 8c5630e..0000000 --- a/app/i2c.c +++ /dev/null @@ -1,21 +0,0 @@ -#include "project.h" - -static int mutex = 0; - -int -i2c_lock (void) -{ - if (__sync_add_and_fetch (&mutex, 1) != 1) { - __sync_sub_and_fetch (&mutex, 1); - return -1; - } - - return 0; -} - - -void -i2c_unlock (void) -{ - __sync_sub_and_fetch (&mutex, 1); -} |