diff options
Diffstat (limited to 'os/common/ext/TivaWare/inc/hw_i2c.h')
| -rw-r--r-- | os/common/ext/TivaWare/inc/hw_i2c.h | 470 |
1 files changed, 470 insertions, 0 deletions
diff --git a/os/common/ext/TivaWare/inc/hw_i2c.h b/os/common/ext/TivaWare/inc/hw_i2c.h new file mode 100644 index 0000000..2cc2032 --- /dev/null +++ b/os/common/ext/TivaWare/inc/hw_i2c.h @@ -0,0 +1,470 @@ +//***************************************************************************** +// +// hw_i2c.h - Macros used when accessing the I2C master and slave hardware. +// +// Copyright (c) 2005-2016 Texas Instruments Incorporated. All rights reserved. +// Software License Agreement +// +// 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. +// +// This is part of revision 2.1.3.156 of the Tiva Firmware Development Package. +// +//***************************************************************************** + +#ifndef __HW_I2C_H__ +#define __HW_I2C_H__ + +//***************************************************************************** +// +// The following are defines for the I2C register offsets. +// +//***************************************************************************** +#define I2C_O_MSA 0x00000000 // I2C Master Slave Address +#define I2C_O_MCS 0x00000004 // I2C Master Control/Status +#define I2C_O_MDR 0x00000008 // I2C Master Data +#define I2C_O_MTPR 0x0000000C // I2C Master Timer Period +#define I2C_O_MIMR 0x00000010 // I2C Master Interrupt Mask +#define I2C_O_MRIS 0x00000014 // I2C Master Raw Interrupt Status +#define I2C_O_MMIS 0x00000018 // I2C Master Masked Interrupt + // Status +#define I2C_O_MICR 0x0000001C // I2C Master Interrupt Clear +#define I2C_O_MCR 0x00000020 // I2C Master Configuration +#define I2C_O_MCLKOCNT 0x00000024 // I2C Master Clock Low Timeout + // Count +#define I2C_O_MBMON 0x0000002C // I2C Master Bus Monitor +#define I2C_O_MBLEN 0x00000030 // I2C Master Burst Length +#define I2C_O_MBCNT 0x00000034 // I2C Master Burst Count +#define I2C_O_MCR2 0x00000038 // I2C Master Configuration 2 +#define I2C_O_SOAR 0x00000800 // I2C Slave Own Address +#define I2C_O_SCSR 0x00000804 // I2C Slave Control/Status +#define I2C_O_SDR 0x00000808 // I2C Slave Data +#define I2C_O_SIMR 0x0000080C // I2C Slave Interrupt Mask +#define I2C_O_SRIS 0x00000810 // I2C Slave Raw Interrupt Status +#define I2C_O_SMIS 0x00000814 // I2C Slave Masked Interrupt + // Status +#define I2C_O_SICR 0x00000818 // I2C Slave Interrupt Clear +#define I2C_O_SOAR2 0x0000081C // I2C Slave Own Address 2 +#define I2C_O_SACKCTL 0x00000820 // I2C Slave ACK Control +#define I2C_O_FIFODATA 0x00000F00 // I2C FIFO Data +#define I2C_O_FIFOCTL 0x00000F04 // I2C FIFO Control +#define I2C_O_FIFOSTATUS 0x00000F08 // I2C FIFO Status +#define I2C_O_PP 0x00000FC0 // I2C Peripheral Properties +#define I2C_O_PC 0x00000FC4 // I2C Peripheral Configuration + +//***************************************************************************** +// +// The following are defines for the bit fields in the I2C_O_MSA register. +// +//***************************************************************************** +#define I2C_MSA_SA_M 0x000000FE // I2C Slave Address +#define I2C_MSA_RS 0x00000001 // Receive not send +#define I2C_MSA_SA_S 1 + +//***************************************************************************** +// +// The following are defines for the bit fields in the I2C_O_MCS register. +// +//***************************************************************************** +#define I2C_MCS_ACTDMARX 0x80000000 // DMA RX Active Status +#define I2C_MCS_ACTDMATX 0x40000000 // DMA TX Active Status +#define I2C_MCS_CLKTO 0x00000080 // Clock Timeout Error +#define I2C_MCS_BURST 0x00000040 // Burst Enable +#define I2C_MCS_BUSBSY 0x00000040 // Bus Busy +#define I2C_MCS_IDLE 0x00000020 // I2C Idle +#define I2C_MCS_QCMD 0x00000020 // Quick Command +#define I2C_MCS_ARBLST 0x00000010 // Arbitration Lost +#define I2C_MCS_HS 0x00000010 // High-Speed Enable +#define I2C_MCS_ACK 0x00000008 // Data Acknowledge Enable +#define I2C_MCS_DATACK 0x00000008 // Acknowledge Data +#define I2C_MCS_ADRACK 0x00000004 // Acknowledge Address +#define I2C_MCS_STOP 0x00000004 // Generate STOP +#define I2C_MCS_ERROR 0x00000002 // Error +#define I2C_MCS_START 0x00000002 // Generate START +#define I2C_MCS_RUN 0x00000001 // I2C Master Enable +#define I2C_MCS_BUSY 0x00000001 // I2C Busy + +//***************************************************************************** +// +// The following are defines for the bit fields in the I2C_O_MDR register. +// +//***************************************************************************** +#define I2C_MDR_DATA_M 0x000000FF // This byte contains the data + // transferred during a transaction +#define I2C_MDR_DATA_S 0 + +//***************************************************************************** +// +// The following are defines for the bit fields in the I2C_O_MTPR register. +// +//***************************************************************************** +#define I2C_MTPR_PULSEL_M 0x00070000 // Glitch Suppression Pulse Width +#define I2C_MTPR_PULSEL_BYPASS 0x00000000 // Bypass +#define I2C_MTPR_PULSEL_1 0x00010000 // 1 clock +#define I2C_MTPR_PULSEL_2 0x00020000 // 2 clocks +#define I2C_MTPR_PULSEL_3 0x00030000 // 3 clocks +#define I2C_MTPR_PULSEL_4 0x00040000 // 4 clocks +#define I2C_MTPR_PULSEL_8 0x00050000 // 8 clocks +#define I2C_MTPR_PULSEL_16 0x00060000 // 16 clocks +#define I2C_MTPR_PULSEL_31 0x00070000 // 31 clocks +#define I2C_MTPR_HS 0x00000080 // High-Speed Enable +#define I2C_MTPR_TPR_M 0x0000007F // Timer Period +#define I2C_MTPR_TPR_S 0 + +//***************************************************************************** +// +// The following are defines for the bit fields in the I2C_O_MIMR register. +// +//***************************************************************************** +#define I2C_MIMR_RXFFIM 0x00000800 // Receive FIFO Full Interrupt Mask +#define I2C_MIMR_TXFEIM 0x00000400 // Transmit FIFO Empty Interrupt + // Mask +#define I2C_MIMR_RXIM 0x00000200 // Receive FIFO Request Interrupt + // Mask +#define I2C_MIMR_TXIM 0x00000100 // Transmit FIFO Request Interrupt + // Mask +#define I2C_MIMR_ARBLOSTIM 0x00000080 // Arbitration Lost Interrupt Mask +#define I2C_MIMR_STOPIM 0x00000040 // STOP Detection Interrupt Mask +#define I2C_MIMR_STARTIM 0x00000020 // START Detection Interrupt Mask +#define I2C_MIMR_NACKIM 0x00000010 // Address/Data NACK Interrupt Mask +#define I2C_MIMR_DMATXIM 0x00000008 // Transmit DMA Interrupt Mask +#define I2C_MIMR_DMARXIM 0x00000004 // Receive DMA Interrupt Mask +#define I2C_MIMR_CLKIM 0x00000002 // Clock Timeout Interrupt Mask +#define I2C_MIMR_IM 0x00000001 // Master Interrupt Mask + +//***************************************************************************** +// +// The following are defines for the bit fields in the I2C_O_MRIS register. +// +//***************************************************************************** +#define I2C_MRIS_RXFFRIS 0x00000800 // Receive FIFO Full Raw Interrupt + // Status +#define I2C_MRIS_TXFERIS 0x00000400 // Transmit FIFO Empty Raw + // Interrupt Status +#define I2C_MRIS_RXRIS 0x00000200 // Receive FIFO Request Raw + // Interrupt Status +#define I2C_MRIS_TXRIS 0x00000100 // Transmit Request Raw Interrupt + // Status +#define I2C_MRIS_ARBLOSTRIS 0x00000080 // Arbitration Lost Raw Interrupt + // Status +#define I2C_MRIS_STOPRIS 0x00000040 // STOP Detection Raw Interrupt + // Status +#define I2C_MRIS_STARTRIS 0x00000020 // START Detection Raw Interrupt + // Status +#define I2C_MRIS_NACKRIS 0x00000010 // Address/Data NACK Raw Interrupt + // Status +#define I2C_MRIS_DMATXRIS 0x00000008 // Transmit DMA Raw Interrupt + // Status +#define I2C_MRIS_DMARXRIS 0x00000004 // Receive DMA Raw Interrupt Status +#define I2C_MRIS_CLKRIS 0x00000002 // Clock Timeout Raw Interrupt + // Status +#define I2C_MRIS_RIS 0x00000001 // Master Raw Interrupt Status + +//***************************************************************************** +// +// The following are defines for the bit fields in the I2C_O_MMIS register. +// +//***************************************************************************** +#define I2C_MMIS_RXFFMIS 0x00000800 // Receive FIFO Full Interrupt Mask +#define I2C_MMIS_TXFEMIS 0x00000400 // Transmit FIFO Empty Interrupt + // Mask +#define I2C_MMIS_RXMIS 0x00000200 // Receive FIFO Request Interrupt + // Mask +#define I2C_MMIS_TXMIS 0x00000100 // Transmit Request Interrupt Mask +#define I2C_MMIS_ARBLOSTMIS 0x00000080 // Arbitration Lost Interrupt Mask +#define I2C_MMIS_STOPMIS 0x00000040 // STOP Detection Interrupt Mask +#define I2C_MMIS_STARTMIS 0x00000020 // START Detection Interrupt Mask +#define I2C_MMIS_NACKMIS 0x00000010 // Address/Data NACK Interrupt Mask +#define I2C_MMIS_DMATXMIS 0x00000008 // Transmit DMA Interrupt Status +#define I2C_MMIS_DMARXMIS 0x00000004 // Receive DMA Interrupt Status +#define I2C_MMIS_CLKMIS 0x00000002 // Clock Timeout Masked Interrupt + // Status +#define I2C_MMIS_MIS 0x00000001 // Masked Interrupt Status + +//***************************************************************************** +// +// The following are defines for the bit fields in the I2C_O_MICR register. +// +//***************************************************************************** +#define I2C_MICR_RXFFIC 0x00000800 // Receive FIFO Full Interrupt + // Clear +#define I2C_MICR_TXFEIC 0x00000400 // Transmit FIFO Empty Interrupt + // Clear +#define I2C_MICR_RXIC 0x00000200 // Receive FIFO Request Interrupt + // Clear +#define I2C_MICR_TXIC 0x00000100 // Transmit FIFO Request Interrupt + // Clear +#define I2C_MICR_ARBLOSTIC 0x00000080 // Arbitration Lost Interrupt Clear +#define I2C_MICR_STOPIC 0x00000040 // STOP Detection Interrupt Clear +#define I2C_MICR_STARTIC 0x00000020 // START Detection Interrupt Clear +#define I2C_MICR_NACKIC 0x00000010 // Address/Data NACK Interrupt + // Clear +#define I2C_MICR_DMATXIC 0x00000008 // Transmit DMA Interrupt Clear +#define I2C_MICR_DMARXIC 0x00000004 // Receive DMA Interrupt Clear +#define I2C_MICR_CLKIC 0x00000002 // Clock Timeout Interrupt Clear +#define I2C_MICR_IC 0x00000001 // Master Interrupt Clear + +//***************************************************************************** +// +// The following are defines for the bit fields in the I2C_O_MCR register. +// +//***************************************************************************** +#define I2C_MCR_GFE 0x00000040 // I2C Glitch Filter Enable +#define I2C_MCR_SFE 0x00000020 // I2C Slave Function Enable +#define I2C_MCR_MFE 0x00000010 // I2C Master Function Enable +#define I2C_MCR_LPBK 0x00000001 // I2C Loopback + +//***************************************************************************** +// +// The following are defines for the bit fields in the I2C_O_MCLKOCNT register. +// +//***************************************************************************** +#define I2C_MCLKOCNT_CNTL_M 0x000000FF // I2C Master Count +#define I2C_MCLKOCNT_CNTL_S 0 + +//***************************************************************************** +// +// The following are defines for the bit fields in the I2C_O_MBMON register. +// +//***************************************************************************** +#define I2C_MBMON_SDA 0x00000002 // I2C SDA Status +#define I2C_MBMON_SCL 0x00000001 // I2C SCL Status + +//***************************************************************************** +// +// The following are defines for the bit fields in the I2C_O_MBLEN register. +// +//***************************************************************************** +#define I2C_MBLEN_CNTL_M 0x000000FF // I2C Burst Length +#define I2C_MBLEN_CNTL_S 0 + +//***************************************************************************** +// +// The following are defines for the bit fields in the I2C_O_MBCNT register. +// +//***************************************************************************** +#define I2C_MBCNT_CNTL_M 0x000000FF // I2C Master Burst Count +#define I2C_MBCNT_CNTL_S 0 + +//***************************************************************************** +// +// The following are defines for the bit fields in the I2C_O_MCR2 register. +// +//***************************************************************************** +#define I2C_MCR2_GFPW_M 0x00000070 // I2C Glitch Filter Pulse Width +#define I2C_MCR2_GFPW_BYPASS 0x00000000 // Bypass +#define I2C_MCR2_GFPW_1 0x00000010 // 1 clock +#define I2C_MCR2_GFPW_2 0x00000020 // 2 clocks +#define I2C_MCR2_GFPW_3 0x00000030 // 3 clocks +#define I2C_MCR2_GFPW_4 0x00000040 // 4 clocks +#define I2C_MCR2_GFPW_8 0x00000050 // 8 clocks +#define I2C_MCR2_GFPW_16 0x00000060 // 16 clocks +#define I2C_MCR2_GFPW_31 0x00000070 // 31 clocks + +//***************************************************************************** +// +// The following are defines for the bit fields in the I2C_O_SOAR register. +// +//***************************************************************************** +#define I2C_SOAR_OAR_M 0x0000007F // I2C Slave Own Address +#define I2C_SOAR_OAR_S 0 + +//***************************************************************************** +// +// The following are defines for the bit fields in the I2C_O_SCSR register. +// +//***************************************************************************** +#define I2C_SCSR_ACTDMARX 0x80000000 // DMA RX Active Status +#define I2C_SCSR_ACTDMATX 0x40000000 // DMA TX Active Status +#define I2C_SCSR_QCMDRW 0x00000020 // Quick Command Read / Write +#define I2C_SCSR_QCMDST 0x00000010 // Quick Command Status +#define I2C_SCSR_OAR2SEL 0x00000008 // OAR2 Address Matched +#define I2C_SCSR_FBR 0x00000004 // First Byte Received +#define I2C_SCSR_RXFIFO 0x00000004 // RX FIFO Enable +#define I2C_SCSR_TXFIFO 0x00000002 // TX FIFO Enable +#define I2C_SCSR_TREQ 0x00000002 // Transmit Request +#define I2C_SCSR_DA 0x00000001 // Device Active +#define I2C_SCSR_RREQ 0x00000001 // Receive Request + +//***************************************************************************** +// +// The following are defines for the bit fields in the I2C_O_SDR register. +// +//***************************************************************************** +#define I2C_SDR_DATA_M 0x000000FF // Data for Transfer +#define I2C_SDR_DATA_S 0 + +//***************************************************************************** +// +// The following are defines for the bit fields in the I2C_O_SIMR register. +// +//***************************************************************************** +#define I2C_SIMR_RXFFIM 0x00000100 // Receive FIFO Full Interrupt Mask +#define I2C_SIMR_TXFEIM 0x00000080 // Transmit FIFO Empty Interrupt + // Mask +#define I2C_SIMR_RXIM 0x00000040 // Receive FIFO Request Interrupt + // Mask +#define I2C_SIMR_TXIM 0x00000020 // Transmit FIFO Request Interrupt + // Mask +#define I2C_SIMR_DMATXIM 0x00000010 // Transmit DMA Interrupt Mask +#define I2C_SIMR_DMARXIM 0x00000008 // Receive DMA Interrupt Mask +#define I2C_SIMR_STOPIM 0x00000004 // Stop Condition Interrupt Mask +#define I2C_SIMR_STARTIM 0x00000002 // Start Condition Interrupt Mask +#define I2C_SIMR_DATAIM 0x00000001 // Data Interrupt Mask + +//***************************************************************************** +// +// The following are defines for the bit fields in the I2C_O_SRIS register. +// +//***************************************************************************** +#define I2C_SRIS_RXFFRIS 0x00000100 // Receive FIFO Full Raw Interrupt + // Status +#define I2C_SRIS_TXFERIS 0x00000080 // Transmit FIFO Empty Raw + // Interrupt Status +#define I2C_SRIS_RXRIS 0x00000040 // Receive FIFO Request Raw + // Interrupt Status +#define I2C_SRIS_TXRIS 0x00000020 // Transmit Request Raw Interrupt + // Status +#define I2C_SRIS_DMATXRIS 0x00000010 // Transmit DMA Raw Interrupt + // Status +#define I2C_SRIS_DMARXRIS 0x00000008 // Receive DMA Raw Interrupt Status +#define I2C_SRIS_STOPRIS 0x00000004 // Stop Condition Raw Interrupt + // Status +#define I2C_SRIS_STARTRIS 0x00000002 // Start Condition Raw Interrupt + // Status +#define I2C_SRIS_DATARIS 0x00000001 // Data Raw Interrupt Status + +//***************************************************************************** +// +// The following are defines for the bit fields in the I2C_O_SMIS register. +// +//***************************************************************************** +#define I2C_SMIS_RXFFMIS 0x00000100 // Receive FIFO Full Interrupt Mask +#define I2C_SMIS_TXFEMIS 0x00000080 // Transmit FIFO Empty Interrupt + // Mask +#define I2C_SMIS_RXMIS 0x00000040 // Receive FIFO Request Interrupt + // Mask +#define I2C_SMIS_TXMIS 0x00000020 // Transmit FIFO Request Interrupt + // Mask +#define I2C_SMIS_DMATXMIS 0x00000010 // Transmit DMA Masked Interrupt + // Status +#define I2C_SMIS_DMARXMIS 0x00000008 // Receive DMA Masked Interrupt + // Status +#define I2C_SMIS_STOPMIS 0x00000004 // Stop Condition Masked Interrupt + // Status +#define I2C_SMIS_STARTMIS 0x00000002 // Start Condition Masked Interrupt + // Status +#define I2C_SMIS_DATAMIS 0x00000001 // Data Masked Interrupt Status + +//***************************************************************************** +// +// The following are defines for the bit fields in the I2C_O_SICR register. +// +//***************************************************************************** +#define I2C_SICR_RXFFIC 0x00000100 // Receive FIFO Full Interrupt Mask +#define I2C_SICR_TXFEIC 0x00000080 // Transmit FIFO Empty Interrupt + // Mask +#define I2C_SICR_RXIC 0x00000040 // Receive Request Interrupt Mask +#define I2C_SICR_TXIC 0x00000020 // Transmit Request Interrupt Mask +#define I2C_SICR_DMATXIC 0x00000010 // Transmit DMA Interrupt Clear +#define I2C_SICR_DMARXIC 0x00000008 // Receive DMA Interrupt Clear +#define I2C_SICR_STOPIC 0x00000004 // Stop Condition Interrupt Clear +#define I2C_SICR_STARTIC 0x00000002 // Start Condition Interrupt Clear +#define I2C_SICR_DATAIC 0x00000001 // Data Interrupt Clear + +//***************************************************************************** +// +// The following are defines for the bit fields in the I2C_O_SOAR2 register. +// +//***************************************************************************** +#define I2C_SOAR2_OAR2EN 0x00000080 // I2C Slave Own Address 2 Enable +#define I2C_SOAR2_OAR2_M 0x0000007F // I2C Slave Own Address 2 +#define I2C_SOAR2_OAR2_S 0 + +//***************************************************************************** +// +// The following are defines for the bit fields in the I2C_O_SACKCTL register. +// +//***************************************************************************** +#define I2C_SACKCTL_ACKOVAL 0x00000002 // I2C Slave ACK Override Value +#define I2C_SACKCTL_ACKOEN 0x00000001 // I2C Slave ACK Override Enable + +//***************************************************************************** +// +// The following are defines for the bit fields in the I2C_O_FIFODATA register. +// +//***************************************************************************** +#define I2C_FIFODATA_DATA_M 0x000000FF // I2C TX FIFO Write Data Byte +#define I2C_FIFODATA_DATA_S 0 + +//***************************************************************************** +// +// The following are defines for the bit fields in the I2C_O_FIFOCTL register. +// +//***************************************************************************** +#define I2C_FIFOCTL_RXASGNMT 0x80000000 // RX Control Assignment +#define I2C_FIFOCTL_RXFLUSH 0x40000000 // RX FIFO Flush +#define I2C_FIFOCTL_DMARXENA 0x20000000 // DMA RX Channel Enable +#define I2C_FIFOCTL_RXTRIG_M 0x00070000 // RX FIFO Trigger +#define I2C_FIFOCTL_TXASGNMT 0x00008000 // TX Control Assignment +#define I2C_FIFOCTL_TXFLUSH 0x00004000 // TX FIFO Flush +#define I2C_FIFOCTL_DMATXENA 0x00002000 // DMA TX Channel Enable +#define I2C_FIFOCTL_TXTRIG_M 0x00000007 // TX FIFO Trigger +#define I2C_FIFOCTL_RXTRIG_S 16 +#define I2C_FIFOCTL_TXTRIG_S 0 + +//***************************************************************************** +// +// The following are defines for the bit fields in the I2C_O_FIFOSTATUS +// register. +// +//***************************************************************************** +#define I2C_FIFOSTATUS_RXABVTRIG \ + 0x00040000 // RX FIFO Above Trigger Level +#define I2C_FIFOSTATUS_RXFF 0x00020000 // RX FIFO Full +#define I2C_FIFOSTATUS_RXFE 0x00010000 // RX FIFO Empty +#define I2C_FIFOSTATUS_TXBLWTRIG \ + 0x00000004 // TX FIFO Below Trigger Level +#define I2C_FIFOSTATUS_TXFF 0x00000002 // TX FIFO Full +#define I2C_FIFOSTATUS_TXFE 0x00000001 // TX FIFO Empty + +//***************************************************************************** +// +// The following are defines for the bit fields in the I2C_O_PP register. +// +//***************************************************************************** +#define I2C_PP_HS 0x00000001 // High-Speed Capable + +//***************************************************************************** +// +// The following are defines for the bit fields in the I2C_O_PC register. +// +//***************************************************************************** +#define I2C_PC_HS 0x00000001 // High-Speed Capable + +#endif // __HW_I2C_H__ |