53 lines
1.9 KiB
C
53 lines
1.9 KiB
C
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#ifndef __ARCH_ARM_SRC_KINETIS_KINETIS_I2C_H
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#define __ARCH_ARM_SRC_KINETIS_KINETIS_I2C_H
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/****************************************************************************
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* Included Files
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****************************************************************************/
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#include <nuttx/config.h>
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#include <nuttx/i2c/i2c_master.h>
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#include "chip/kinetis_i2c.h"
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/****************************************************************************
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* Public Function Prototypes
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****************************************************************************/
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/****************************************************************************
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* Name: kinetis_i2cbus_initialize
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*
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* Description:
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* Initialize the selected I2C port. And return a unique instance of struct
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* struct i2c_master_s. This function may be called to obtain multiple
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* instances of the interface, each of which may be set up with a
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* different frequency and slave address.
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*
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* Input Parameter:
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* Port number (for hardware that has multiple I2C interfaces)
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*
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* Returned Value:
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* Valid I2C device structure reference on succcess; a NULL on failure
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*
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****************************************************************************/
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FAR struct i2c_master_s *kinetis_i2cbus_initialize(int port);
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/****************************************************************************
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* Name: kinetis_i2cbus_uninitialize
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*
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* Description:
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* De-initialize the selected I2C port, and power down the device.
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*
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* Input Parameter:
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* Device structure as returned by the lpc43_i2cbus_initialize()
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*
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* Returned Value:
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* OK on success, ERROR when internal reference count mismatch or dev
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* points to invalid hardware device.
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*
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****************************************************************************/
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int kinetis_i2cbus_uninitialize(FAR struct i2c_master_s *dev);
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#endif /* __ARCH_ARM_SRC_KINETIS_KINETIS_I2C_H */
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