* \brief Macro for I2C bitbang operation.
*
*
- * \version $Id$
*
* \author Francesco Sacchi <batt@develer.com>
*/
#warning TODO:This is an example implementation, you must implement it!
-#define SDA_HI /* Implement me:Set SDA High by setting SDA pin as input */
-#define SDA_LO /* Implement me:Set SDA Low by setting SDA pin as open collector output */
-#define SCL_HI /* Implement me:Set SCL High by setting SCL pin as input */
-#define SCL_LO /* Implement me:Set SCL Low by setting SCL pin as open collector output */
+#define SDA_HI do { /* Implement me:Set SDA High by setting SDA pin as input */ } while (0)
+#define SDA_LO do { /* Implement me:Set SDA Low by setting SDA pin as open collector output */ } while (0)
+#define SCL_HI do { /* Implement me:Set SCL High by setting SCL pin as input */ } while (0)
+#define SCL_LO do { /* Implement me:Set SCL Low by setting SCL pin as open collector output */ } while (0)
#define SCL_IN (true) /* Implement me: read SDA pin state */
/**
* This macro should set SDA and SCL lines as input.
*/
-#define I2C_BITBANG_HW_INIT /* Implement me! */
+#define I2C_BITBANG_HW_INIT do { /* Implement me! */ } while (0)
+
+/**
+ * Half bit delay routine used to generate the correct timings.
+ */
+#define I2C_HALFBIT_DELAY() do { /* Implement me! */ } while (0)
+
+
+/*
+ * New api
+ */
+#include <cfg/compiler.h>
+
+INLINE void i2c_sdaHi(int dev)
+{
+ (void)(dev);
+ /* Implement me:Set SDA High by setting SDA pin as input */
+}
+
+INLINE void i2c_sdaLo(int dev)
+{
+ (void)(dev);
+ /* Implement me:Set SDA Low by setting SDA pin as open collector output */
+}
+
+INLINE void i2c_sclHi(int dev)
+{
+ (void)(dev);
+ /* Implement me:Set SCL High by setting SCL pin as input */
+}
+
+INLINE void i2c_sclLo(int dev)
+{
+ (void)(dev);
+ /* Implement me:Set SCL Low by setting SCL pin as open collector output */
+}
+
+INLINE bool i2c_sdaIn(int dev)
+{
+ (void)(dev);
+ /* Implement me: read SDA pin state */
+ return true;
+}
+
+INLINE bool i2c_sclIn(int dev)
+{
+ (void)(dev);
+ /* Implement me: read SCL pin state */
+ return true;
+}
+
+/**
+ * Half bit delay routine used to generate the correct timings.
+ */
+INLINE void i2c_halfbitDelay(int dev)
+{
+ (void)(dev);
+ /* Implement me! */
+}
+
+/**
+ * This macro should set SDA and SCL lines as input.
+ */
+INLINE void i2c_bitbangInit(int dev)
+{
+ (void)(dev);
+ /* Implement me! */
+}
#endif /* HW_I2C_BITBANG_H */