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-rw-r--r--app/i2c.c21
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);
-}