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//###########################################################################
//
// FILE: F2837xD_I2c_defines.h
//
// TITLE: F2837xD I2C Common Definitions.
//
//###########################################################################
// $TI Release: F2837xD Support Library v3.05.00.00 $
// $Release Date: Tue Jun 26 03:15:23 CDT 2018 $
// $Copyright:
// Copyright (C) 2013-2018 Texas Instruments Incorporated - http://www.ti.com/
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions
// are met:
//
// Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
//
// Redistributions in binary form must reproduce the above copyright
// notice, this list of conditions and the following disclaimer in the
// documentation and/or other materials provided with the
// distribution.
//
// Neither the name of Texas Instruments Incorporated nor the names of
// its contributors may be used to endorse or promote products derived
// from this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
// $
//###########################################################################
#ifndef F2837xD_I2C_DEFINES_H
#define F2837xD_I2C_DEFINES_H
//
// Defines
//
//
// Error Messages
//
#define I2C_ERROR 0xFFFF
#define I2C_ARB_LOST_ERROR 0x0001
#define I2C_NACK_ERROR 0x0002
#define I2C_BUS_BUSY_ERROR 0x1000
#define I2C_STP_NOT_READY_ERROR 0x5555
#define I2C_NO_FLAGS 0xAAAA
#define I2C_SUCCESS 0x0000
//
// Clear Status Flags
//
#define I2C_CLR_AL_BIT 0x0001
#define I2C_CLR_NACK_BIT 0x0002
#define I2C_CLR_ARDY_BIT 0x0004
#define I2C_CLR_RRDY_BIT 0x0008
#define I2C_CLR_SCD_BIT 0x0020
//
// Interrupt Source Messages
//
#define I2C_NO_ISRC 0x0000
#define I2C_ARB_ISRC 0x0001
#define I2C_NACK_ISRC 0x0002
#define I2C_ARDY_ISRC 0x0003
#define I2C_RX_ISRC 0x0004
#define I2C_TX_ISRC 0x0005
#define I2C_SCD_ISRC 0x0006
#define I2C_AAS_ISRC 0x0007
//
// I2CMSG structure defines
//
#define I2C_NO_STOP 0
#define I2C_YES_STOP 1
#define I2C_RECEIVE 0
#define I2C_TRANSMIT 1
#define I2C_MAX_BUFFER_SIZE 16
//
// I2C Slave State defines
//
#define I2C_NOTSLAVE 0
#define I2C_ADDR_AS_SLAVE 1
#define I2C_ST_MSG_READY 2
//
// I2C Slave Receiver messages defines
//
#define I2C_SND_MSG1 1
#define I2C_SND_MSG2 2
//
// I2C State defines
//
#define I2C_IDLE 0
#define I2C_SLAVE_RECEIVER 1
#define I2C_SLAVE_TRANSMITTER 2
#define I2C_MASTER_RECEIVER 3
#define I2C_MASTER_TRANSMITTER 4
//
// I2C Message Commands for I2CMSG struct
//
#define I2C_MSGSTAT_INACTIVE 0x0000
#define I2C_MSGSTAT_SEND_WITHSTOP 0x0010
#define I2C_MSGSTAT_WRITE_BUSY 0x0011
#define I2C_MSGSTAT_SEND_NOSTOP 0x0020
#define I2C_MSGSTAT_SEND_NOSTOP_BUSY 0x0021
#define I2C_MSGSTAT_RESTART 0x0022
#define I2C_MSGSTAT_READ_BUSY 0x0023
//
// Generic defines
//
#define I2C_TRUE 1
#define I2C_FALSE 0
#define I2C_YES 1
#define I2C_NO 0
#define I2C_DUMMY_BYTE 0
//
// These are the Defines to select I2C pin muxing when calling the functions
// I2cAGpioConfig() & I2cBGpioConfig() in F2837xD_I2C.c
//
#define I2C_A_GPIO0_GPIO1 1 //switch case 1
#define I2C_A_GPIO32_GPIO33 2 //switch case 2
#define I2C_A_GPIO42_GPIO43 3 //switch case 3
#define I2C_A_GPIO91_GPIO92 4 //switch case 4
#define I2C_A_GPIO63104_GPIO105 5 //switch case 5
#define I2C_B_GPIO2_GPIO3 1 //switch case 1
#define I2C_B_GPIO134_GPIO35 2 //switch case 2
#define I2C_B_GPIO40_GPIO41 3 //switch case 3
#define I2C_B_GPIO66_GPIO69 4 //switch case 4
//
// Globals
//
//
// I2C Message Structure
//
struct I2CMSG {
Uint16 MsgStatus; // Word stating what state msg is in:
// I2C_MSGCMD_INACTIVE = do not send msg
// I2C_MSGCMD_BUSY = msg start has been sent,
// awaiting stop
// I2C_MSGCMD_SEND_WITHSTOP = command to send
// master trans msg complete with a stop bit
// I2C_MSGCMD_SEND_NOSTOP = command to send
// master trans msg without the stop bit
// I2C_MSGCMD_RESTART = command to send a
// restart as a master receiver with a
// stop bit
Uint16 SlaveAddress; // I2C address of slave msg is intended for
Uint16 NumOfBytes; // Num of valid bytes in (or to be put
// in MsgBuffer)
Uint16 MemoryHighAddr; // EEPROM address of data associated with
// msg (high byte)
Uint16 MemoryLowAddr; // EEPROM address of data associated with
// msg (low byte)
Uint16 MsgBuffer[I2C_MAX_BUFFER_SIZE]; // Array holding msg data - max that
// MAX_BUFFER_SIZE can be is 16 due
// to the FIFO's
};
#endif // end of F2837xD_I2C_DEFINES_H definition
//
// End of file
//
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