Bell Huang
class pah8011 for mbed
Diff: pah8011/pah_util.h
- Revision:
- 6:d196b612b14a
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/pah8011/pah_util.h Wed Jan 23 08:01:57 2019 +0000
@@ -0,0 +1,26 @@
+/**
+ * @file pah_util.h
+ *
+ * Copyright (c) 2016-2017 PixArt Imaging Inc.
+ * All Rights Reserved.
+ * Confidential and Proprietary - PixArt Imaging Inc.
+ **/
+#ifndef __pah_util_h__
+#define __pah_util_h__
+
+
+#include <stdint.h>
+
+
+#define PAH_ARRAY_SIZE(arr) (sizeof(arr) / sizeof(arr[0]))
+
+#define PAH_SET_BIT(var,pos) do { ((var) |= (1 << (pos))); } while(0)
+#define PAH_CLEAR_BIT(var,pos) do { ((var) &= ~(1 << (pos))); } while(0)
+#define PAH_CHECK_BIT(var,pos) (((var) >> (pos)) & 1)
+
+#define PAH_UINT64_HIGH(var) ((uint32_t)(var >> 32))
+#define PAH_UINT64_LOW(var) ((uint32_t)(var & UINT32_MAX))
+
+
+#endif // header guard
+