#define I2C1BASE 0x48070000
#define I2C_IE (I2C1BASE + 0x4)
-#define XRDY_IE (0x1UL << 4)
-#define RRDY_IE (0x1UL << 3)
-#define ARDY_IE (0x1UL << 2)
-#define NACK_IE (0x1UL << 1)
+#define XRDY_IE BIT4
+#define RRDY_IE BIT3
+#define ARDY_IE BIT2
+#define NACK_IE BIT1
#define I2C_STAT (I2C1BASE + 0x8)
-#define BB (0x1UL << 12)
-#define XRDY (0x1UL << 4)
-#define RRDY (0x1UL << 3)
-#define ARDY (0x1UL << 2)
-#define NACK (0x1UL << 1)
+#define BB BIT12
+#define XRDY BIT4
+#define RRDY BIT3
+#define ARDY BIT2
+#define NACK BIT1
#define I2C_WE (I2C1BASE + 0xC)
#define I2C_SYSS (I2C1BASE + 0x10)
#define I2C_SYSC (I2C1BASE + 0x20)
#define I2C_CON (I2C1BASE + 0x24)
-#define STT (0x1UL << 0)
-#define STP (0x1UL << 1)
-#define XSA (0x1UL << 8)
-#define TRX (0x1UL << 9)
-#define MST (0x1UL << 10)
-#define I2C_EN (0x1UL << 15)
+#define STT BIT0
+#define STP BIT1
+#define XSA BIT8
+#define TRX BIT9
+#define MST BIT10
+#define I2C_EN BIT15
#define I2C_OA0 (I2C1BASE + 0x28)
#define I2C_SA (I2C1BASE + 0x2C)