rt-thread-official/bsp/lm3s/Libraries/inc/hw_timer.h

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//*****************************************************************************
//
// hw_timer.h - Defines and macros used when accessing the timer.
//
// Copyright (c) 2005-2010 Texas Instruments Incorporated. All rights reserved.
// Software License Agreement
//
// Texas Instruments (TI) is supplying this software for use solely and
// exclusively on TI's microcontroller products. The software is owned by
// TI and/or its suppliers, and is protected under applicable copyright
// laws. You may not combine this software with "viral" open-source
// software in order to form a larger program.
//
// THIS SOFTWARE IS PROVIDED "AS IS" AND WITH ALL FAULTS.
// NO WARRANTIES, WHETHER EXPRESS, IMPLIED OR STATUTORY, INCLUDING, BUT
// NOT LIMITED TO, IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE APPLY TO THIS SOFTWARE. TI SHALL NOT, UNDER ANY
// CIRCUMSTANCES, BE LIABLE FOR SPECIAL, INCIDENTAL, OR CONSEQUENTIAL
// DAMAGES, FOR ANY REASON WHATSOEVER.
//
// This is part of revision 6459 of the Stellaris Firmware Development Package.
//
//*****************************************************************************
#ifndef __HW_TIMER_H__
#define __HW_TIMER_H__
//*****************************************************************************
//
// The following are defines for the Timer register offsets.
//
//*****************************************************************************
#define TIMER_O_CFG 0x00000000 // GPTM Configuration
#define TIMER_O_TAMR 0x00000004 // GPTM Timer A Mode
#define TIMER_O_TBMR 0x00000008 // GPTM Timer B Mode
#define TIMER_O_CTL 0x0000000C // GPTM Control
#define TIMER_O_IMR 0x00000018 // GPTM Interrupt Mask
#define TIMER_O_RIS 0x0000001C // GPTM Raw Interrupt Status
#define TIMER_O_MIS 0x00000020 // GPTM Masked Interrupt Status
#define TIMER_O_ICR 0x00000024 // GPTM Interrupt Clear
#define TIMER_O_TAILR 0x00000028 // GPTM Timer A Interval Load
#define TIMER_O_TBILR 0x0000002C // GPTM Timer B Interval Load
#define TIMER_O_TAMATCHR 0x00000030 // GPTM Timer A Match
#define TIMER_O_TBMATCHR 0x00000034 // GPTM Timer B Match
#define TIMER_O_TAPR 0x00000038 // GPTM Timer A Prescale
#define TIMER_O_TBPR 0x0000003C // GPTM Timer B Prescale
#define TIMER_O_TAPMR 0x00000040 // GPTM TimerA Prescale Match
#define TIMER_O_TBPMR 0x00000044 // GPTM TimerB Prescale Match
#define TIMER_O_TAR 0x00000048 // GPTM Timer A
#define TIMER_O_TBR 0x0000004C // GPTM Timer B
#define TIMER_O_TAV 0x00000050 // GPTM Timer A Value
#define TIMER_O_TBV 0x00000054 // GPTM Timer B Value
//*****************************************************************************
//
// The following are defines for the bit fields in the TIMER_O_CFG register.
//
//*****************************************************************************
#define TIMER_CFG_M 0x00000007 // GPTM Configuration
#define TIMER_CFG_32_BIT_TIMER 0x00000000 // 32-bit timer configuration
#define TIMER_CFG_32_BIT_RTC 0x00000001 // 32-bit real-time clock (RTC)
// counter configuration
#define TIMER_CFG_16_BIT 0x00000004 // 16-bit timer configuration. The
// function is controlled by bits
// 1:0 of GPTMTAMR and GPTMTBMR
//*****************************************************************************
//
// The following are defines for the bit fields in the TIMER_O_TAMR register.
//
//*****************************************************************************
#define TIMER_TAMR_TASNAPS 0x00000080 // GPTM Timer A Snap-Shot Mode
#define TIMER_TAMR_TAWOT 0x00000040 // GPTM Timer A Wait-on-Trigger
#define TIMER_TAMR_TAMIE 0x00000020 // GPTM Timer A Match Interrupt
// Enable
#define TIMER_TAMR_TACDIR 0x00000010 // GPTM Timer A Count Direction
#define TIMER_TAMR_TAAMS 0x00000008 // GPTM Timer A Alternate Mode
// Select
#define TIMER_TAMR_TACMR 0x00000004 // GPTM Timer A Capture Mode
#define TIMER_TAMR_TAMR_M 0x00000003 // GPTM Timer A Mode
#define TIMER_TAMR_TAMR_1_SHOT 0x00000001 // One-Shot Timer mode
#define TIMER_TAMR_TAMR_PERIOD 0x00000002 // Periodic Timer mode
#define TIMER_TAMR_TAMR_CAP 0x00000003 // Capture mode
//*****************************************************************************
//
// The following are defines for the bit fields in the TIMER_O_TBMR register.
//
//*****************************************************************************
#define TIMER_TBMR_TBSNAPS 0x00000080 // GPTM Timer B Snap-Shot Mode
#define TIMER_TBMR_TBWOT 0x00000040 // GPTM Timer B Wait-on-Trigger
#define TIMER_TBMR_TBMIE 0x00000020 // GPTM Timer B Match Interrupt
// Enable
#define TIMER_TBMR_TBCDIR 0x00000010 // GPTM Timer B Count Direction
#define TIMER_TBMR_TBAMS 0x00000008 // GPTM Timer B Alternate Mode
// Select
#define TIMER_TBMR_TBCMR 0x00000004 // GPTM Timer B Capture Mode
#define TIMER_TBMR_TBMR_M 0x00000003 // GPTM Timer B Mode
#define TIMER_TBMR_TBMR_1_SHOT 0x00000001 // One-Shot Timer mode
#define TIMER_TBMR_TBMR_PERIOD 0x00000002 // Periodic Timer mode
#define TIMER_TBMR_TBMR_CAP 0x00000003 // Capture mode
//*****************************************************************************
//
// The following are defines for the bit fields in the TIMER_O_CTL register.
//
//*****************************************************************************
#define TIMER_CTL_TBPWML 0x00004000 // GPTM Timer B PWM Output Level
#define TIMER_CTL_TBOTE 0x00002000 // GPTM Timer B Output Trigger
// Enable
#define TIMER_CTL_TBEVENT_M 0x00000C00 // GPTM Timer B Event Mode
#define TIMER_CTL_TBEVENT_POS 0x00000000 // Positive edge
#define TIMER_CTL_TBEVENT_NEG 0x00000400 // Negative edge
#define TIMER_CTL_TBEVENT_BOTH 0x00000C00 // Both edges
#define TIMER_CTL_TBSTALL 0x00000200 // GPTM Timer B Stall Enable
#define TIMER_CTL_TBEN 0x00000100 // GPTM Timer B Enable
#define TIMER_CTL_TAPWML 0x00000040 // GPTM Timer A PWM Output Level
#define TIMER_CTL_TAOTE 0x00000020 // GPTM Timer A Output Trigger
// Enable
#define TIMER_CTL_RTCEN 0x00000010 // GPTM RTC Enable
#define TIMER_CTL_TAEVENT_M 0x0000000C // GPTM Timer A Event Mode
#define TIMER_CTL_TAEVENT_POS 0x00000000 // Positive edge
#define TIMER_CTL_TAEVENT_NEG 0x00000004 // Negative edge
#define TIMER_CTL_TAEVENT_BOTH 0x0000000C // Both edges
#define TIMER_CTL_TASTALL 0x00000002 // GPTM Timer A Stall Enable
#define TIMER_CTL_TAEN 0x00000001 // GPTM Timer A Enable
//*****************************************************************************
//
// The following are defines for the bit fields in the TIMER_O_IMR register.
//
//*****************************************************************************
#define TIMER_IMR_TBMIM 0x00000800 // GPTM Timer B Mode Match
// Interrupt Mask
#define TIMER_IMR_CBEIM 0x00000400 // GPTM Capture B Event Interrupt
// Mask
#define TIMER_IMR_CBMIM 0x00000200 // GPTM Capture B Match Interrupt
// Mask
#define TIMER_IMR_TBTOIM 0x00000100 // GPTM Timer B Time-Out Interrupt
// Mask
#define TIMER_IMR_TAMIM 0x00000010 // GPTM Timer A Mode Match
// Interrupt Mask
#define TIMER_IMR_RTCIM 0x00000008 // GPTM RTC Interrupt Mask
#define TIMER_IMR_CAEIM 0x00000004 // GPTM Capture A Event Interrupt
// Mask
#define TIMER_IMR_CAMIM 0x00000002 // GPTM Capture A Match Interrupt
// Mask
#define TIMER_IMR_TATOIM 0x00000001 // GPTM Timer A Time-Out Interrupt
// Mask
//*****************************************************************************
//
// The following are defines for the bit fields in the TIMER_O_RIS register.
//
//*****************************************************************************
#define TIMER_RIS_TBMRIS 0x00000800 // GPTM Timer B Mode Match Raw
// Interrupt
#define TIMER_RIS_CBERIS 0x00000400 // GPTM Capture B Event Raw
// Interrupt
#define TIMER_RIS_CBMRIS 0x00000200 // GPTM Capture B Match Raw
// Interrupt
#define TIMER_RIS_TBTORIS 0x00000100 // GPTM Timer B Time-Out Raw
// Interrupt
#define TIMER_RIS_TAMRIS 0x00000010 // GPTM Timer A Mode Match Raw
// Interrupt
#define TIMER_RIS_RTCRIS 0x00000008 // GPTM RTC Raw Interrupt
#define TIMER_RIS_CAERIS 0x00000004 // GPTM Capture A Event Raw
// Interrupt
#define TIMER_RIS_CAMRIS 0x00000002 // GPTM Capture A Match Raw
// Interrupt
#define TIMER_RIS_TATORIS 0x00000001 // GPTM Timer A Time-Out Raw
// Interrupt
//*****************************************************************************
//
// The following are defines for the bit fields in the TIMER_O_MIS register.
//
//*****************************************************************************
#define TIMER_MIS_TBMMIS 0x00000800 // GPTM Timer B Mode Match Masked
// Interrupt
#define TIMER_MIS_CBEMIS 0x00000400 // GPTM Capture B Event Masked
// Interrupt
#define TIMER_MIS_CBMMIS 0x00000200 // GPTM Capture B Match Masked
// Interrupt
#define TIMER_MIS_TBTOMIS 0x00000100 // GPTM Timer B Time-Out Masked
// Interrupt
#define TIMER_MIS_TAMMIS 0x00000010 // GPTM Timer A Mode Match Masked
// Interrupt
#define TIMER_MIS_RTCMIS 0x00000008 // GPTM RTC Masked Interrupt
#define TIMER_MIS_CAEMIS 0x00000004 // GPTM Capture A Event Masked
// Interrupt
#define TIMER_MIS_CAMMIS 0x00000002 // GPTM Capture A Match Masked
// Interrupt
#define TIMER_MIS_TATOMIS 0x00000001 // GPTM Timer A Time-Out Masked
// Interrupt
//*****************************************************************************
//
// The following are defines for the bit fields in the TIMER_O_ICR register.
//
//*****************************************************************************
#define TIMER_ICR_TBMCINT 0x00000800 // GPTM Timer B Mode Match
// Interrupt Clear
#define TIMER_ICR_CBECINT 0x00000400 // GPTM Capture B Event Interrupt
// Clear
#define TIMER_ICR_CBMCINT 0x00000200 // GPTM Capture B Match Interrupt
// Clear
#define TIMER_ICR_TBTOCINT 0x00000100 // GPTM Timer B Time-Out Interrupt
// Clear
#define TIMER_ICR_TAMCINT 0x00000010 // GPTM Timer A Mode Match
// Interrupt Clear
#define TIMER_ICR_RTCCINT 0x00000008 // GPTM RTC Interrupt Clear
#define TIMER_ICR_CAECINT 0x00000004 // GPTM Capture A Event Interrupt
// Clear
#define TIMER_ICR_CAMCINT 0x00000002 // GPTM Capture A Match Interrupt
// Clear
#define TIMER_ICR_TATOCINT 0x00000001 // GPTM Timer A Time-Out Raw
// Interrupt
//*****************************************************************************
//
// The following are defines for the bit fields in the TIMER_O_TAILR register.
//
//*****************************************************************************
#define TIMER_TAILR_TAILRH_M 0xFFFF0000 // GPTM Timer A Interval Load
// Register High
#define TIMER_TAILR_TAILRL_M 0x0000FFFF // GPTM Timer A Interval Load
// Register Low
#define TIMER_TAILR_TAILRH_S 16
#define TIMER_TAILR_TAILRL_S 0
//*****************************************************************************
//
// The following are defines for the bit fields in the TIMER_O_TBILR register.
//
//*****************************************************************************
#define TIMER_TBILR_TBILRL_M 0x0000FFFF // GPTM Timer B Interval Load
// Register
#define TIMER_TBILR_TBILRL_S 0
//*****************************************************************************
//
// The following are defines for the bit fields in the TIMER_O_TAMATCHR
// register.
//
//*****************************************************************************
#define TIMER_TAMATCHR_TAMRH_M 0xFFFF0000 // GPTM Timer A Match Register High
#define TIMER_TAMATCHR_TAMRL_M 0x0000FFFF // GPTM Timer A Match Register Low
#define TIMER_TAMATCHR_TAMRH_S 16
#define TIMER_TAMATCHR_TAMRL_S 0
//*****************************************************************************
//
// The following are defines for the bit fields in the TIMER_O_TBMATCHR
// register.
//
//*****************************************************************************
#define TIMER_TBMATCHR_TBMRL_M 0x0000FFFF // GPTM Timer B Match Register Low
#define TIMER_TBMATCHR_TBMRL_S 0
//*****************************************************************************
//
// The following are defines for the bit fields in the TIMER_O_TAPR register.
//
//*****************************************************************************
#define TIMER_TAPR_TAPSR_M 0x000000FF // GPTM Timer A Prescale
#define TIMER_TAPR_TAPSR_S 0
//*****************************************************************************
//
// The following are defines for the bit fields in the TIMER_O_TBPR register.
//
//*****************************************************************************
#define TIMER_TBPR_TBPSR_M 0x000000FF // GPTM Timer B Prescale
#define TIMER_TBPR_TBPSR_S 0
//*****************************************************************************
//
// The following are defines for the bit fields in the TIMER_O_TAPMR register.
//
//*****************************************************************************
#define TIMER_TAPMR_TAPSMR_M 0x000000FF // GPTM TimerA Prescale Match
#define TIMER_TAPMR_TAPSMR_S 0
//*****************************************************************************
//
// The following are defines for the bit fields in the TIMER_O_TBPMR register.
//
//*****************************************************************************
#define TIMER_TBPMR_TBPSMR_M 0x000000FF // GPTM TimerB Prescale Match
#define TIMER_TBPMR_TBPSMR_S 0
//*****************************************************************************
//
// The following are defines for the bit fields in the TIMER_O_TAR register.
//
//*****************************************************************************
#define TIMER_TAR_TARH_M 0xFFFF0000 // GPTM Timer A Register High
#define TIMER_TAR_TARL_M 0x0000FFFF // GPTM Timer A Register Low
#define TIMER_TAR_TARH_S 16
#define TIMER_TAR_TARL_S 0
//*****************************************************************************
//
// The following are defines for the bit fields in the TIMER_O_TBR register.
//
//*****************************************************************************
#define TIMER_TBR_TBRL_M 0x00FFFFFF // GPTM Timer B
#define TIMER_TBR_TBRL_S 0
//*****************************************************************************
//
// The following are defines for the bit fields in the TIMER_O_TAV register.
//
//*****************************************************************************
#define TIMER_TAV_TAVH_M 0xFFFF0000 // GPTM Timer A Value High
#define TIMER_TAV_TAVL_M 0x0000FFFF // GPTM Timer A Register Low
#define TIMER_TAV_TAVH_S 16
#define TIMER_TAV_TAVL_S 0
//*****************************************************************************
//
// The following are defines for the bit fields in the TIMER_O_TBV register.
//
//*****************************************************************************
#define TIMER_TBV_TBVL_M 0x0000FFFF // GPTM Timer B Register
#define TIMER_TBV_TBVL_S 0
//*****************************************************************************
//
// The following definitions are deprecated.
//
//*****************************************************************************
#ifndef DEPRECATED
//*****************************************************************************
//
// The following are deprecated defines for the bit fields in the TIMER_O_CFG
// register.
//
//*****************************************************************************
#define TIMER_CFG_CFG_MSK 0x00000007 // Configuration options mask
//*****************************************************************************
//
// The following are deprecated defines for the bit fields in the TIMER_O_CTL
// register.
//
//*****************************************************************************
#define TIMER_CTL_TBEVENT_MSK 0x00000C00 // TimerB event mode mask
#define TIMER_CTL_TAEVENT_MSK 0x0000000C // TimerA event mode mask
//*****************************************************************************
//
// The following are deprecated defines for the bit fields in the TIMER_O_RIS
// register.
//
//*****************************************************************************
#define TIMER_RIS_CBEMIS 0x00000400 // CaptureB event masked int status
#define TIMER_RIS_CBMMIS 0x00000200 // CaptureB match masked int status
#define TIMER_RIS_TBTOMIS 0x00000100 // TimerB time out masked int stat
#define TIMER_RIS_RTCMIS 0x00000008 // RTC masked int status
#define TIMER_RIS_CAEMIS 0x00000004 // CaptureA event masked int status
#define TIMER_RIS_CAMMIS 0x00000002 // CaptureA match masked int status
#define TIMER_RIS_TATOMIS 0x00000001 // TimerA time out masked int stat
//*****************************************************************************
//
// The following are deprecated defines for the bit fields in the TIMER_O_TAILR
// register.
//
//*****************************************************************************
#define TIMER_TAILR_TAILRH 0xFFFF0000 // TimerB load val in 32 bit mode
#define TIMER_TAILR_TAILRL 0x0000FFFF // TimerA interval load value
//*****************************************************************************
//
// The following are deprecated defines for the bit fields in the TIMER_O_TBILR
// register.
//
//*****************************************************************************
#define TIMER_TBILR_TBILRL 0x0000FFFF // TimerB interval load value
//*****************************************************************************
//
// The following are deprecated defines for the bit fields in the
// TIMER_O_TAMATCHR register.
//
//*****************************************************************************
#define TIMER_TAMATCHR_TAMRH 0xFFFF0000 // TimerB match val in 32 bit mode
#define TIMER_TAMATCHR_TAMRL 0x0000FFFF // TimerA match value
//*****************************************************************************
//
// The following are deprecated defines for the bit fields in the
// TIMER_O_TBMATCHR register.
//
//*****************************************************************************
#define TIMER_TBMATCHR_TBMRL 0x0000FFFF // TimerB match load value
//*****************************************************************************
//
// The following are deprecated defines for the bit fields in the TIMER_O_TAR
// register.
//
//*****************************************************************************
#define TIMER_TAR_TARH 0xFFFF0000 // TimerB val in 32 bit mode
#define TIMER_TAR_TARL 0x0000FFFF // TimerA value
//*****************************************************************************
//
// The following are deprecated defines for the bit fields in the TIMER_O_TBR
// register.
//
//*****************************************************************************
#define TIMER_TBR_TBRL 0x0000FFFF // TimerB value
//*****************************************************************************
//
// The following are deprecated defines for the reset values of the timer
// registers.
//
//*****************************************************************************
#define TIMER_RV_TAILR 0xFFFFFFFF // TimerA interval load reg RV
#define TIMER_RV_TAR 0xFFFFFFFF // TimerA register RV
#define TIMER_RV_TAMATCHR 0xFFFFFFFF // TimerA match register RV
#define TIMER_RV_TBILR 0x0000FFFF // TimerB interval load reg RV
#define TIMER_RV_TBMATCHR 0x0000FFFF // TimerB match register RV
#define TIMER_RV_TBR 0x0000FFFF // TimerB register RV
#define TIMER_RV_TAPR 0x00000000 // TimerA prescale register RV
#define TIMER_RV_CFG 0x00000000 // Configuration register RV
#define TIMER_RV_TBPMR 0x00000000 // TimerB prescale match regi RV
#define TIMER_RV_TAPMR 0x00000000 // TimerA prescale match reg RV
#define TIMER_RV_CTL 0x00000000 // Control register RV
#define TIMER_RV_ICR 0x00000000 // Interrupt clear register RV
#define TIMER_RV_TBMR 0x00000000 // TimerB mode register RV
#define TIMER_RV_MIS 0x00000000 // Masked interrupt status reg RV
#define TIMER_RV_RIS 0x00000000 // Interrupt status register RV
#define TIMER_RV_TBPR 0x00000000 // TimerB prescale register RV
#define TIMER_RV_IMR 0x00000000 // Interrupt mask register RV
#define TIMER_RV_TAMR 0x00000000 // TimerA mode register RV
//*****************************************************************************
//
// The following are deprecated defines for the bit fields in the TIMER_TnMR
// register.
//
//*****************************************************************************
#define TIMER_TNMR_TNAMS 0x00000008 // Alternate mode select
#define TIMER_TNMR_TNCMR 0x00000004 // Capture mode - count or time
#define TIMER_TNMR_TNTMR_MSK 0x00000003 // Timer mode mask
#define TIMER_TNMR_TNTMR_1_SHOT 0x00000001 // Mode - one shot
#define TIMER_TNMR_TNTMR_PERIOD 0x00000002 // Mode - periodic
#define TIMER_TNMR_TNTMR_CAP 0x00000003 // Mode - capture
//*****************************************************************************
//
// The following are deprecated defines for the bit fields in the TIMER_TnPR
// register.
//
//*****************************************************************************
#define TIMER_TNPR_TNPSR 0x000000FF // TimerN prescale value
//*****************************************************************************
//
// The following are deprecated defines for the bit fields in the TIMER_TnPMR
// register.
//
//*****************************************************************************
#define TIMER_TNPMR_TNPSMR 0x000000FF // TimerN prescale match value
#endif
#endif // __HW_TIMER_H__