504 lines
27 KiB
C
504 lines
27 KiB
C
//*****************************************************************************
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//
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// Copyright (C) 2014 Texas Instruments Incorporated - http://www.ti.com/
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//
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//
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions
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// are met:
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//
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// Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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//
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// Redistributions in binary form must reproduce the above copyright
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// notice, this list of conditions and the following disclaimer in the
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// documentation and/or other materials provided with the
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// distribution.
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//
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// Neither the name of Texas Instruments Incorporated nor the names of
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// its contributors may be used to endorse or promote products derived
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// from this software without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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//
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//*****************************************************************************
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#ifndef __HW_I2C_H__
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#define __HW_I2C_H__
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//*****************************************************************************
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//
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// The following are defines for the I2C register offsets.
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//
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//*****************************************************************************
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#define I2C_O_MSA 0x00000000
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#define I2C_O_MCS 0x00000004
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#define I2C_O_MDR 0x00000008
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#define I2C_O_MTPR 0x0000000C
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#define I2C_O_MIMR 0x00000010
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#define I2C_O_MRIS 0x00000014
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#define I2C_O_MMIS 0x00000018
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#define I2C_O_MICR 0x0000001C
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#define I2C_O_MCR 0x00000020
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#define I2C_O_MCLKOCNT 0x00000024
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#define I2C_O_MBMON 0x0000002C
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#define I2C_O_MBLEN 0x00000030
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#define I2C_O_MBCNT 0x00000034
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#define I2C_O_SOAR 0x00000800
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#define I2C_O_SCSR 0x00000804
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#define I2C_O_SDR 0x00000808
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#define I2C_O_SIMR 0x0000080C
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#define I2C_O_SRIS 0x00000810
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#define I2C_O_SMIS 0x00000814
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#define I2C_O_SICR 0x00000818
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#define I2C_O_SOAR2 0x0000081C
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#define I2C_O_SACKCTL 0x00000820
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#define I2C_O_FIFODATA 0x00000F00
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#define I2C_O_FIFOCTL 0x00000F04
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#define I2C_O_FIFOSTATUS 0x00000F08
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#define I2C_O_OBSMUXSEL0 0x00000F80
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#define I2C_O_OBSMUXSEL1 0x00000F84
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#define I2C_O_MUXROUTE 0x00000F88
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#define I2C_O_PV 0x00000FB0
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#define I2C_O_PP 0x00000FC0
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#define I2C_O_PC 0x00000FC4
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#define I2C_O_CC 0x00000FC8
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//******************************************************************************
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//
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// The following are defines for the bit fields in the I2C_O_MSA register.
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//
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//******************************************************************************
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#define I2C_MSA_SA_M 0x000000FE // I2C Slave Address
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#define I2C_MSA_SA_S 1
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#define I2C_MSA_RS 0x00000001 // Receive not send
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//******************************************************************************
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//
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// The following are defines for the bit fields in the I2C_O_MCS register.
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//
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//******************************************************************************
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#define I2C_MCS_ACTDMARX 0x80000000 // DMA RX Active Status
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#define I2C_MCS_ACTDMATX 0x40000000 // DMA TX Active Status
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#define I2C_MCS_CLKTO 0x00000080 // Clock Timeout Error
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#define I2C_MCS_BUSBSY 0x00000040 // Bus Busy
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#define I2C_MCS_IDLE 0x00000020 // I2C Idle
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#define I2C_MCS_ARBLST 0x00000010 // Arbitration Lost
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#define I2C_MCS_ACK 0x00000008 // Data Acknowledge Enable
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#define I2C_MCS_ADRACK 0x00000004 // Acknowledge Address
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#define I2C_MCS_ERROR 0x00000002 // Error
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#define I2C_MCS_BUSY 0x00000001 // I2C Busy
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//******************************************************************************
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//
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// The following are defines for the bit fields in the I2C_O_MDR register.
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//
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//******************************************************************************
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#define I2C_MDR_DATA_M 0x000000FF // Data Transferred
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#define I2C_MDR_DATA_S 0
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//******************************************************************************
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//
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// The following are defines for the bit fields in the I2C_O_MTPR register.
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//
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//******************************************************************************
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#define I2C_MTPR_HS 0x00000080 // High-Speed Enable
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#define I2C_MTPR_TPR_M 0x0000007F // SCL Clock Period
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#define I2C_MTPR_TPR_S 0
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//******************************************************************************
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//
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// The following are defines for the bit fields in the I2C_O_MIMR register.
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//
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//******************************************************************************
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#define I2C_MIMR_RXFFIM 0x00000800 // Receive FIFO Full Interrupt Mask
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#define I2C_MIMR_TXFEIM 0x00000400 // Transmit FIFO Empty Interrupt
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// Mask
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#define I2C_MIMR_RXIM 0x00000200 // Receive FIFO Request Interrupt
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// Mask
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#define I2C_MIMR_TXIM 0x00000100 // Transmit FIFO Request Interrupt
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// Mask
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#define I2C_MIMR_ARBLOSTIM 0x00000080 // Arbitration Lost Interrupt Mask
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#define I2C_MIMR_STOPIM 0x00000040 // STOP Detection Interrupt Mask
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#define I2C_MIMR_STARTIM 0x00000020 // START Detection Interrupt Mask
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#define I2C_MIMR_NACKIM 0x00000010 // Address/Data NACK Interrupt Mask
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#define I2C_MIMR_DMATXIM 0x00000008 // Transmit DMA Interrupt Mask
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#define I2C_MIMR_DMARXIM 0x00000004 // Receive DMA Interrupt Mask
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#define I2C_MIMR_CLKIM 0x00000002 // Clock Timeout Interrupt Mask
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#define I2C_MIMR_IM 0x00000001 // Master Interrupt Mask
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//******************************************************************************
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//
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// The following are defines for the bit fields in the I2C_O_MRIS register.
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//
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//******************************************************************************
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#define I2C_MRIS_RXFFRIS 0x00000800 // Receive FIFO Full Raw Interrupt
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// Status
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#define I2C_MRIS_TXFERIS 0x00000400 // Transmit FIFO Empty Raw
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// Interrupt Status
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#define I2C_MRIS_RXRIS 0x00000200 // Receive FIFO Request Raw
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// Interrupt Status
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#define I2C_MRIS_TXRIS 0x00000100 // Transmit Request Raw Interrupt
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// Status
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#define I2C_MRIS_ARBLOSTRIS 0x00000080 // Arbitration Lost Raw Interrupt
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// Status
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#define I2C_MRIS_STOPRIS 0x00000040 // STOP Detection Raw Interrupt
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// Status
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#define I2C_MRIS_STARTRIS 0x00000020 // START Detection Raw Interrupt
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// Status
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#define I2C_MRIS_NACKRIS 0x00000010 // Address/Data NACK Raw Interrupt
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// Status
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#define I2C_MRIS_DMATXRIS 0x00000008 // Transmit DMA Raw Interrupt
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// Status
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#define I2C_MRIS_DMARXRIS 0x00000004 // Receive DMA Raw Interrupt Status
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#define I2C_MRIS_CLKRIS 0x00000002 // Clock Timeout Raw Interrupt
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// Status
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#define I2C_MRIS_RIS 0x00000001 // Master Raw Interrupt Status
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//******************************************************************************
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//
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// The following are defines for the bit fields in the I2C_O_MMIS register.
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//
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//******************************************************************************
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#define I2C_MMIS_RXFFMIS 0x00000800 // Receive FIFO Full Interrupt Mask
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#define I2C_MMIS_TXFEMIS 0x00000400 // Transmit FIFO Empty Interrupt
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// Mask
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#define I2C_MMIS_RXMIS 0x00000200 // Receive FIFO Request Interrupt
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// Mask
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#define I2C_MMIS_TXMIS 0x00000100 // Transmit Request Interrupt Mask
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#define I2C_MMIS_ARBLOSTMIS 0x00000080 // Arbitration Lost Interrupt Mask
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#define I2C_MMIS_STOPMIS 0x00000040 // STOP Detection Interrupt Mask
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#define I2C_MMIS_STARTMIS 0x00000020 // START Detection Interrupt Mask
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#define I2C_MMIS_NACKMIS 0x00000010 // Address/Data NACK Interrupt Mask
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#define I2C_MMIS_DMATXMIS 0x00000008 // Transmit DMA Interrupt Status
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#define I2C_MMIS_DMARXMIS 0x00000004 // Receive DMA Interrupt Status
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#define I2C_MMIS_CLKMIS 0x00000002 // Clock Timeout Masked Interrupt
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// Status
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#define I2C_MMIS_MIS 0x00000001 // Masked Interrupt Status
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//******************************************************************************
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//
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// The following are defines for the bit fields in the I2C_O_MICR register.
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//
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//******************************************************************************
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#define I2C_MICR_RXFFIC 0x00000800 // Receive FIFO Full Interrupt
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// Clear
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#define I2C_MICR_TXFEIC 0x00000400 // Transmit FIFO Empty Interrupt
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// Clear
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#define I2C_MICR_RXIC 0x00000200 // Receive FIFO Request Interrupt
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// Clear
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#define I2C_MICR_TXIC 0x00000100 // Transmit FIFO Request Interrupt
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// Clear
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#define I2C_MICR_ARBLOSTIC 0x00000080 // Arbitration Lost Interrupt Clear
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#define I2C_MICR_STOPIC 0x00000040 // STOP Detection Interrupt Clear
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#define I2C_MICR_STARTIC 0x00000020 // START Detection Interrupt Clear
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#define I2C_MICR_NACKIC 0x00000010 // Address/Data NACK Interrupt
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// Clear
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#define I2C_MICR_DMATXIC 0x00000008 // Transmit DMA Interrupt Clear
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#define I2C_MICR_DMARXIC 0x00000004 // Receive DMA Interrupt Clear
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#define I2C_MICR_CLKIC 0x00000002 // Clock Timeout Interrupt Clear
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#define I2C_MICR_IC 0x00000001 // Master Interrupt Clear
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//******************************************************************************
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//
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// The following are defines for the bit fields in the I2C_O_MCR register.
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//
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//******************************************************************************
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#define I2C_MCR_MMD 0x00000040 // Multi-master Disable
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#define I2C_MCR_SFE 0x00000020 // I2C Slave Function Enable
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#define I2C_MCR_MFE 0x00000010 // I2C Master Function Enable
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#define I2C_MCR_LPBK 0x00000001 // I2C Loopback
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//******************************************************************************
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//
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// The following are defines for the bit fields in the I2C_O_MCLKOCNT register.
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//
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//******************************************************************************
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#define I2C_MCLKOCNT_CNTL_M 0x000000FF // I2C Master Count
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#define I2C_MCLKOCNT_CNTL_S 0
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//******************************************************************************
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//
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// The following are defines for the bit fields in the I2C_O_MBMON register.
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//
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//******************************************************************************
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#define I2C_MBMON_SDA 0x00000002 // I2C SDA Status
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#define I2C_MBMON_SCL 0x00000001 // I2C SCL Status
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//******************************************************************************
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//
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// The following are defines for the bit fields in the I2C_O_MBLEN register.
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//
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//******************************************************************************
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#define I2C_MBLEN_CNTL_M 0x000000FF // I2C Burst Length
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#define I2C_MBLEN_CNTL_S 0
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//******************************************************************************
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//
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// The following are defines for the bit fields in the I2C_O_MBCNT register.
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//
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//******************************************************************************
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#define I2C_MBCNT_CNTL_M 0x000000FF // I2C Master Burst Count
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#define I2C_MBCNT_CNTL_S 0
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//******************************************************************************
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//
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// The following are defines for the bit fields in the I2C_O_SOAR register.
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//
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//******************************************************************************
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#define I2C_SOAR_OAR_M 0x0000007F // I2C Slave Own Address
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#define I2C_SOAR_OAR_S 0
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//******************************************************************************
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//
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// The following are defines for the bit fields in the I2C_O_SCSR register.
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//
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//******************************************************************************
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#define I2C_SCSR_ACTDMARX 0x80000000 // DMA RX Active Status
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#define I2C_SCSR_ACTDMATX 0x40000000 // DMA TX Active Status
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#define I2C_SCSR_QCMDRW 0x00000020 // Quick Command Read / Write
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#define I2C_SCSR_QCMDST 0x00000010 // Quick Command Status
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#define I2C_SCSR_OAR2SEL 0x00000008 // OAR2 Address Matched
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#define I2C_SCSR_FBR 0x00000004 // First Byte Received
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#define I2C_SCSR_TREQ 0x00000002 // Transmit Request
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#define I2C_SCSR_DA 0x00000001 // Device Active
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//******************************************************************************
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//
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// The following are defines for the bit fields in the I2C_O_SDR register.
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//
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//******************************************************************************
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#define I2C_SDR_DATA_M 0x000000FF // Data for Transfer
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#define I2C_SDR_DATA_S 0
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//******************************************************************************
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//
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// The following are defines for the bit fields in the I2C_O_SIMR register.
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//
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//******************************************************************************
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#define I2C_SIMR_IM 0x00000100 // Interrupt Mask
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#define I2C_SIMR_TXFEIM 0x00000080 // Transmit FIFO Empty Interrupt
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// Mask
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#define I2C_SIMR_RXIM 0x00000040 // Receive FIFO Request Interrupt
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// Mask
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#define I2C_SIMR_TXIM 0x00000020 // Transmit FIFO Request Interrupt
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// Mask
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#define I2C_SIMR_DMATXIM 0x00000010 // Transmit DMA Interrupt Mask
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#define I2C_SIMR_DMARXIM 0x00000008 // Receive DMA Interrupt Mask
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#define I2C_SIMR_STOPIM 0x00000004 // Stop Condition Interrupt Mask
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#define I2C_SIMR_STARTIM 0x00000002 // Start Condition Interrupt Mask
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#define I2C_SIMR_DATAIM 0x00000001 // Data Interrupt Mask
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//******************************************************************************
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//
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// The following are defines for the bit fields in the I2C_O_SRIS register.
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//
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//******************************************************************************
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#define I2C_SRIS_RIS 0x00000100 // Raw Interrupt Status
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#define I2C_SRIS_TXFERIS 0x00000080 // Transmit FIFO Empty Raw
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// Interrupt Status
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#define I2C_SRIS_RXRIS 0x00000040 // Receive FIFO Request Raw
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// Interrupt Status
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#define I2C_SRIS_TXRIS 0x00000020 // Transmit Request Raw Interrupt
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// Status
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#define I2C_SRIS_DMATXRIS 0x00000010 // Transmit DMA Raw Interrupt
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// Status
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#define I2C_SRIS_DMARXRIS 0x00000008 // Receive DMA Raw Interrupt Status
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#define I2C_SRIS_STOPRIS 0x00000004 // Stop Condition Raw Interrupt
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// Status
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#define I2C_SRIS_STARTRIS 0x00000002 // Start Condition Raw Interrupt
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// Status
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#define I2C_SRIS_DATARIS 0x00000001 // Data Raw Interrupt Status
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//******************************************************************************
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//
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// The following are defines for the bit fields in the I2C_O_SMIS register.
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//
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//******************************************************************************
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#define I2C_SMIS_RXFFMIS 0x00000100 // Receive FIFO Full Interrupt Mask
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#define I2C_SMIS_TXFEMIS 0x00000080 // Transmit FIFO Empty Interrupt
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// Mask
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#define I2C_SMIS_RXMIS 0x00000040 // Receive FIFO Request Interrupt
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// Mask
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#define I2C_SMIS_TXMIS 0x00000020 // Transmit FIFO Request Interrupt
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// Mask
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#define I2C_SMIS_DMATXMIS 0x00000010 // Transmit DMA Masked Interrupt
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// Status
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#define I2C_SMIS_DMARXMIS 0x00000008 // Receive DMA Masked Interrupt
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// Status
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#define I2C_SMIS_STOPMIS 0x00000004 // Stop Condition Masked Interrupt
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// Status
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#define I2C_SMIS_STARTMIS 0x00000002 // Start Condition Masked Interrupt
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// Status
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#define I2C_SMIS_DATAMIS 0x00000001 // Data Masked Interrupt Status
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//******************************************************************************
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//
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// The following are defines for the bit fields in the I2C_O_SICR register.
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//
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//******************************************************************************
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#define I2C_SICR_RXFFIC 0x00000100 // Receive FIFO Full Interrupt Mask
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#define I2C_SICR_TXFEIC 0x00000080 // Transmit FIFO Empty Interrupt
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// Mask
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#define I2C_SICR_RXIC 0x00000040 // Receive Request Interrupt Mask
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#define I2C_SICR_TXIC 0x00000020 // Transmit Request Interrupt Mask
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#define I2C_SICR_DMATXIC 0x00000010 // Transmit DMA Interrupt Clear
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#define I2C_SICR_DMARXIC 0x00000008 // Receive DMA Interrupt Clear
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#define I2C_SICR_STOPIC 0x00000004 // Stop Condition Interrupt Clear
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#define I2C_SICR_STARTIC 0x00000002 // Start Condition Interrupt Clear
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#define I2C_SICR_DATAIC 0x00000001 // Data Interrupt Clear
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//******************************************************************************
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//
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// The following are defines for the bit fields in the I2C_O_SOAR2 register.
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//
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//******************************************************************************
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#define I2C_SOAR2_OAR2EN 0x00000080 // I2C Slave Own Address 2 Enable
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#define I2C_SOAR2_OAR2_M 0x0000007F // I2C Slave Own Address 2
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#define I2C_SOAR2_OAR2_S 0
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//******************************************************************************
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//
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// The following are defines for the bit fields in the I2C_O_SACKCTL register.
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//
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//******************************************************************************
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#define I2C_SACKCTL_ACKOVAL 0x00000002 // I2C Slave ACK Override Value
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#define I2C_SACKCTL_ACKOEN 0x00000001 // I2C Slave ACK Override Enable
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//******************************************************************************
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//
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// The following are defines for the bit fields in the I2C_O_FIFODATA register.
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//
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//******************************************************************************
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#define I2C_FIFODATA_DATA_M 0x000000FF // I2C FIFO Data Byte
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#define I2C_FIFODATA_DATA_S 0
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//******************************************************************************
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//
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// The following are defines for the bit fields in the I2C_O_FIFOCTL register.
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//
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//******************************************************************************
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#define I2C_FIFOCTL_RXASGNMT 0x80000000 // RX Control Assignment
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#define I2C_FIFOCTL_RXFLUSH 0x40000000 // RX FIFO Flush
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#define I2C_FIFOCTL_DMARXENA 0x20000000 // DMA RX Channel Enable
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#define I2C_FIFOCTL_RXTRIG_M 0x00070000 // RX FIFO Trigger
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#define I2C_FIFOCTL_RXTRIG_S 16
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#define I2C_FIFOCTL_TXASGNMT 0x00008000 // TX Control Assignment
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#define I2C_FIFOCTL_TXFLUSH 0x00004000 // TX FIFO Flush
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#define I2C_FIFOCTL_DMATXENA 0x00002000 // DMA TX Channel Enable
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#define I2C_FIFOCTL_TXTRIG_M 0x00000007 // TX FIFO Trigger
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#define I2C_FIFOCTL_TXTRIG_S 0
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//******************************************************************************
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//
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// The following are defines for the bit fields in the I2C_O_FIFOSTATUS register.
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//
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//******************************************************************************
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#define I2C_FIFOSTATUS_RXABVTRIG \
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0x00040000 // RX FIFO Above Trigger Level
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#define I2C_FIFOSTATUS_RXFF 0x00020000 // RX FIFO Full
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#define I2C_FIFOSTATUS_RXFE 0x00010000 // RX FIFO Empty
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#define I2C_FIFOSTATUS_TXBLWTRIG \
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0x00000004 // TX FIFO Below Trigger Level
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#define I2C_FIFOSTATUS_TXFF 0x00000002 // TX FIFO Full
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#define I2C_FIFOSTATUS_TXFE 0x00000001 // TX FIFO Empty
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//******************************************************************************
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//
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// The following are defines for the bit fields in the I2C_O_OBSMUXSEL0 register.
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//
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//******************************************************************************
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#define I2C_OBSMUXSEL0_LN3_M 0x07000000 // Observation Mux Lane 3
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#define I2C_OBSMUXSEL0_LN3_S 24
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#define I2C_OBSMUXSEL0_LN2_M 0x00070000 // Observation Mux Lane 2
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#define I2C_OBSMUXSEL0_LN2_S 16
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#define I2C_OBSMUXSEL0_LN1_M 0x00000700 // Observation Mux Lane 1
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#define I2C_OBSMUXSEL0_LN1_S 8
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#define I2C_OBSMUXSEL0_LN0_M 0x00000007 // Observation Mux Lane 0
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#define I2C_OBSMUXSEL0_LN0_S 0
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//******************************************************************************
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//
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// The following are defines for the bit fields in the I2C_O_OBSMUXSEL1 register.
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//
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//******************************************************************************
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#define I2C_OBSMUXSEL1_LN7_M 0x07000000 // Observation Mux Lane 7
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#define I2C_OBSMUXSEL1_LN7_S 24
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#define I2C_OBSMUXSEL1_LN6_M 0x00070000 // Observation Mux Lane 6
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#define I2C_OBSMUXSEL1_LN6_S 16
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#define I2C_OBSMUXSEL1_LN5_M 0x00000700 // Observation Mux Lane 5
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#define I2C_OBSMUXSEL1_LN5_S 8
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#define I2C_OBSMUXSEL1_LN4_M 0x00000007 // Observation Mux Lane 4
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#define I2C_OBSMUXSEL1_LN4_S 0
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//******************************************************************************
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//
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// The following are defines for the bit fields in the I2C_O_MUXROUTE register.
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//
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//******************************************************************************
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#define I2C_MUXROUTE_LN7ROUTE_M \
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0x70000000 // Lane 7 output is routed to the
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// lane pointed to by the offset in
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// this bit field
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#define I2C_MUXROUTE_LN7ROUTE_S 28
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#define I2C_MUXROUTE_LN6ROUTE_M \
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0x07000000 // Lane 6 output is routed to the
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// lane pointed to by the offset in
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// this bit field
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#define I2C_MUXROUTE_LN6ROUTE_S 24
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#define I2C_MUXROUTE_LN5ROUTE_M \
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0x00700000 // Lane 5 output is routed to the
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// lane pointed to by the offset in
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// this bit field
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#define I2C_MUXROUTE_LN5ROUTE_S 20
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#define I2C_MUXROUTE_LN4ROUTE_M \
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0x00070000 // Lane 4 output is routed to the
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// lane pointed to by the offset in
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// this bit field
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#define I2C_MUXROUTE_LN4ROUTE_S 16
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#define I2C_MUXROUTE_LN3ROUTE_M \
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0x00007000 // Lane 3 output is routed to the
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// lane pointed to by the offset in
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// this bit field
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#define I2C_MUXROUTE_LN3ROUTE_S 12
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#define I2C_MUXROUTE_LN2ROUTE_M \
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0x00000700 // Lane 2 output is routed to the
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// lane pointed to by the offset in
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// this bit field
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#define I2C_MUXROUTE_LN2ROUTE_S 8
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#define I2C_MUXROUTE_LN1ROUTE_M \
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0x00000070 // Lane 1 output is routed to the
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// lane pointed to by the offset in
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// this bit field
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#define I2C_MUXROUTE_LN1ROUTE_S 4
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#define I2C_MUXROUTE_LN0ROUTE_M \
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0x00000007 // Lane 0 output is routed to the
|
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// lane pointed to by the offset in
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// this bit field
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#define I2C_MUXROUTE_LN0ROUTE_S 0
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//******************************************************************************
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//
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// The following are defines for the bit fields in the I2C_O_PV register.
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//
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//******************************************************************************
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#define I2C_PV_MAJOR_M 0x0000FF00 // Major Revision
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#define I2C_PV_MAJOR_S 8
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#define I2C_PV_MINOR_M 0x000000FF // Minor Revision
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#define I2C_PV_MINOR_S 0
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//******************************************************************************
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//
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// The following are defines for the bit fields in the I2C_O_PP register.
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//
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//******************************************************************************
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#define I2C_PP_HS 0x00000001 // High-Speed Capable
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//******************************************************************************
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//
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// The following are defines for the bit fields in the I2C_O_PC register.
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//
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//******************************************************************************
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#define I2C_PC_HS 0x00000001 // High-Speed Capable
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//******************************************************************************
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//
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// The following are defines for the bit fields in the I2C_O_CC register.
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//
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//******************************************************************************
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#endif // __HW_I2C_H__
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