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Aquatic-Robotic-Courier/software/ARC-FW/hal/include/hpl_i2c_m_sync.h

186 lines
5.2 KiB
C

/**
* \file
*
* \brief I2C Master Hardware Proxy Layer(HPL) declaration.
*
* Copyright (c) 2014-2018 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_M_SYNC_H_INCLUDED
#define _HPL_I2C_M_SYNC_H_INCLUDED
#include <compiler.h>
#ifdef __cplusplus
extern "C" {
#endif
/**
* \brief i2c flags
*/
#define I2C_M_RD 0x0001 /* read data, from slave to master */
#define I2C_M_BUSY 0x0100
#define I2C_M_TEN 0x0400 /* this is a ten bit chip address */
#define I2C_M_SEVEN 0x0800 /* this is a seven bit chip address */
#define I2C_M_FAIL 0x1000
#define I2C_M_STOP 0x8000 /* if I2C_FUNC_PROTOCOL_MANGLING */
/**
* \brief i2c Return codes
*/
#define I2C_OK 0 /* Operation successful */
#define I2C_ACK -1 /* Received ACK from device on I2C bus */
#define I2C_NACK -2 /* Received NACK from device on I2C bus */
#define I2C_ERR_ARBLOST -3 /* Arbitration lost */
#define I2C_ERR_BAD_ADDRESS -4 /* Bad address */
#define I2C_ERR_BUS -5 /* Bus error */
#define I2C_ERR_BUSY -6 /* Device busy */
#define I2c_ERR_PACKAGE_COLLISION -7 /* Package collision */
/**
* \brief i2c I2C Modes
*/
#define I2C_STANDARD_MODE 0x00
#define I2C_FASTMODE 0x01
#define I2C_HIGHSPEED_MODE 0x02
/**
* \brief i2c master message structure
*/
struct _i2c_m_msg {
uint16_t addr;
volatile uint16_t flags;
int32_t len;
uint8_t * buffer;
};
/**
* \brief i2c master service
*/
struct _i2c_m_service {
struct _i2c_m_msg msg;
uint16_t mode;
uint16_t trise;
};
/**
* \brief i2c sync master device structure
*/
struct _i2c_m_sync_device {
struct _i2c_m_service service;
void * hw;
};
/**
* \name HPL functions
*/
/**
* \brief Initialize I2C
*
* This function does low level I2C configuration.
*
* \param[in] i2c_dev The pointer to i2c device structure
* \param[in] hw The pointer to hardware instance
*
* \return Return 0 for success and negative value for error
*/
int32_t _i2c_m_sync_init(struct _i2c_m_sync_device *const i2c_dev, void *const hw);
/**
* \brief Deinitialize I2C
*
* \param[in] i2c_dev The pointer to i2c device structure
*
* \return Return 0 for success and negative value for error
*/
int32_t _i2c_m_sync_deinit(struct _i2c_m_sync_device *const i2c_dev);
/**
* \brief Enable I2C module
*
* This function does low level I2C enable.
*
* \param[in] i2c_dev The pointer to i2c device structure
*
* \return Return 0 for success and negative value for error
*/
int32_t _i2c_m_sync_enable(struct _i2c_m_sync_device *const i2c_dev);
/**
* \brief Disable I2C module
*
* This function does low level I2C disable.
*
* \param[in] i2c_dev The pointer to i2c device structure
*
* \return Return 0 for success and negative value for error
*/
int32_t _i2c_m_sync_disable(struct _i2c_m_sync_device *const i2c_dev);
/**
* \brief Transfer data by I2C
*
* This function does low level I2C data transfer.
*
* \param[in] i2c_dev The pointer to i2c device structure
* \param[in] msg The pointer to i2c msg structure
*
* \return Return 0 for success and negative value for error
*/
int32_t _i2c_m_sync_transfer(struct _i2c_m_sync_device *const i2c_dev, struct _i2c_m_msg *msg);
/**
* \brief Set baud rate of I2C
*
* This function does low level I2C set baud rate.
*
* \param[in] i2c_dev The pointer to i2c device structure
* \param[in] clkrate The clock rate(KHz) input to i2c module
* \param[in] baudrate The demand baud rate(KHz) of i2c module
*
* \return Return 0 for success and negative value for error
*/
int32_t _i2c_m_sync_set_baudrate(struct _i2c_m_sync_device *const i2c_dev, uint32_t clkrate, uint32_t baudrate);
/**
* \brief Send send condition on the I2C bus
*
* This function will generate a stop condition on the I2C bus
*
* \param[in] i2c_dev The pointer to i2c device struct
*
* \return Return 0 for success and negative value for error
*/
int32_t _i2c_m_sync_send_stop(struct _i2c_m_sync_device *const i2c_dev);
#ifdef __cplusplus
}
#endif
#endif