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/**
* \file
*
* \brief I2C Slave Hardware Proxy Layer(HPL) declaration.
*
* Copyright (c) 2015-2018 Microchip Technology Inc. and its subsidiaries.
*
* \asf_license_start
*
* \page License
*
* Subject to your compliance with these terms, you may use Microchip
* software and any derivatives exclusively with Microchip products.
* It is your responsibility to comply with third party license terms applicable
* to your use of third party software (including open source software) that
* may accompany Microchip software.
*
* THIS SOFTWARE IS SUPPLIED BY MICROCHIP "AS IS". NO WARRANTIES,
* WHETHER EXPRESS, IMPLIED OR STATUTORY, APPLY TO THIS SOFTWARE,
* INCLUDING ANY IMPLIED WARRANTIES OF NON-INFRINGEMENT, MERCHANTABILITY,
* AND FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT WILL MICROCHIP BE
* LIABLE FOR ANY INDIRECT, SPECIAL, PUNITIVE, INCIDENTAL OR CONSEQUENTIAL
* LOSS, DAMAGE, COST OR EXPENSE OF ANY KIND WHATSOEVER RELATED TO THE
* SOFTWARE, HOWEVER CAUSED, EVEN IF MICROCHIP HAS BEEN ADVISED OF THE
* POSSIBILITY OR THE DAMAGES ARE FORESEEABLE. TO THE FULLEST EXTENT
* ALLOWED BY LAW, MICROCHIP'S TOTAL LIABILITY ON ALL CLAIMS IN ANY WAY
* RELATED TO THIS SOFTWARE WILL NOT EXCEED THE AMOUNT OF FEES, IF ANY,
* THAT YOU HAVE PAID DIRECTLY TO MICROCHIP FOR THIS SOFTWARE.
*
* \asf_license_stop
*
*/
#ifndef _HPL_I2C_S_ASYNC_H_INCLUDED
#define _HPL_I2C_S_ASYNC_H_INCLUDED
#include "hpl_i2c_s_sync.h"
#include "hpl_irq.h"
#include "utils.h"
#ifdef __cplusplus
extern "C" {
#endif
/**
* \brief i2c callback types
*/
enum _i2c_s_async_callback_type { I2C_S_DEVICE_ERROR, I2C_S_DEVICE_TX, I2C_S_DEVICE_RX_COMPLETE };
/**
* \brief Forward declaration of I2C Slave device
*/
struct _i2c_s_async_device;
/**
* \brief i2c slave callback function type
*/
typedef void (*_i2c_s_async_cb_t)(struct _i2c_s_async_device *device);
/**
* \brief i2c slave callback pointers structure
*/
struct _i2c_s_async_callback {
void (*error)(struct _i2c_s_async_device *const device);
void (*tx)(struct _i2c_s_async_device *const device);
void (*rx_done)(struct _i2c_s_async_device *const device, const uint8_t data);
};
/**
* \brief i2c slave device structure
*/
struct _i2c_s_async_device {
void * hw;
struct _i2c_s_async_callback cb;
struct _irq_descriptor irq;
};
/**
* \name HPL functions
*/
/**
* \brief Initialize asynchronous I2C slave
*
* This function does low level I2C configuration.
*
* \param[in] device The pointer to i2c interrupt device structure
*
* \return Return 0 for success and negative value for error
*/
int32_t _i2c_s_async_init(struct _i2c_s_async_device *const device, void *const hw);
/**
* \brief Deinitialize asynchronous I2C in interrupt mode
*
* \param[in] device The pointer to i2c device structure
*
* \return Return 0 for success and negative value for error
*/
int32_t _i2c_s_async_deinit(struct _i2c_s_async_device *const device);
/**
* \brief Enable I2C module
*
* This function does low level I2C enable.
*
* \param[in] device The pointer to i2c slave device structure
*
* \return Return 0 for success and negative value for error
*/
int32_t _i2c_s_async_enable(struct _i2c_s_async_device *const device);
/**
* \brief Disable I2C module
*
* This function does low level I2C disable.
*
* \param[in] device The pointer to i2c slave device structure
*
* \return Return 0 for success and negative value for error
*/
int32_t _i2c_s_async_disable(struct _i2c_s_async_device *const device);
/**
* \brief Check if 10-bit addressing mode is on
*
* \param[in] device The pointer to i2c slave device structure
*
* \return Cheking status
* \retval 1 10-bit addressing mode is on
* \retval 0 10-bit addressing mode is off
*/
int32_t _i2c_s_async_is_10bit_addressing_on(const struct _i2c_s_async_device *const device);
/**
* \brief Set I2C slave address
*
* \param[in] device The pointer to i2c slave device structure
* \param[in] address Address to set
*
* \return Return 0 for success and negative value for error
*/
int32_t _i2c_s_async_set_address(struct _i2c_s_async_device *const device, const uint16_t address);
/**
* \brief Write a byte to the given I2C instance
*
* \param[in] device The pointer to i2c slave device structure
* \param[in] data Data to write
*/
void _i2c_s_async_write_byte(struct _i2c_s_async_device *const device, const uint8_t data);
/**
* \brief Retrieve I2C slave status
*
* \param[in] device The pointer to i2c slave device structure
*
*\return I2C slave status
*/
i2c_s_status_t _i2c_s_async_get_status(const struct _i2c_s_async_device *const device);
/**
* \brief Abort data transmission
*
* \param[in] device The pointer to i2c device structure
*
* \return Return 0 for success and negative value for error
*/
int32_t _i2c_s_async_abort_transmission(const struct _i2c_s_async_device *const device);
/**
* \brief Enable/disable I2C slave interrupt
*
* param[in] device The pointer to I2C slave device instance
* param[in] type The type of interrupt to disable/enable if applicable
* param[in] disable Enable or disable
*/
int32_t _i2c_s_async_set_irq_state(struct _i2c_s_async_device *const device, const enum _i2c_s_async_callback_type type,
const bool disable);
#ifdef __cplusplus
}
#endif
#endif /* _HPL_I2C_S_ASYNC_H_INCLUDED */
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