211 lines
10 KiB
C
211 lines
10 KiB
C
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//*****************************************************************************
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//
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// timer.h
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//
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// Prototypes for the timer module
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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 __TIMER_H__
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#define __TIMER_H__
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//*****************************************************************************
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//
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// If building with a C++ compiler, make all of the definitions in this header
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// have a C binding.
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//
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//*****************************************************************************
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#ifdef __cplusplus
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extern "C"
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{
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#endif
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//*****************************************************************************
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//
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// Values that can be passed to TimerConfigure as the ulConfig parameter.
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//
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//*****************************************************************************
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#define TIMER_CFG_ONE_SHOT 0x00000021 // Full-width one-shot timer
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#define TIMER_CFG_ONE_SHOT_UP 0x00000031 // Full-width one-shot up-count
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// timer
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#define TIMER_CFG_PERIODIC 0x00000022 // Full-width periodic timer
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#define TIMER_CFG_PERIODIC_UP 0x00000032 // Full-width periodic up-count
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// timer
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#define TIMER_CFG_SPLIT_PAIR 0x04000000 // Two half-width timers
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#define TIMER_CFG_A_ONE_SHOT 0x00000021 // Timer A one-shot timer
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#define TIMER_CFG_A_ONE_SHOT_UP 0x00000031 // Timer A one-shot up-count timer
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#define TIMER_CFG_A_PERIODIC 0x00000022 // Timer A periodic timer
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#define TIMER_CFG_A_PERIODIC_UP 0x00000032 // Timer A periodic up-count timer
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#define TIMER_CFG_A_CAP_COUNT 0x00000003 // Timer A event counter
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#define TIMER_CFG_A_CAP_COUNT_UP 0x00000013 // Timer A event up-counter
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#define TIMER_CFG_A_CAP_TIME 0x00000007 // Timer A event timer
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#define TIMER_CFG_A_CAP_TIME_UP 0x00000017 // Timer A event up-count timer
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#define TIMER_CFG_A_PWM 0x0000000A // Timer A PWM output
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#define TIMER_CFG_B_ONE_SHOT 0x00002100 // Timer B one-shot timer
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#define TIMER_CFG_B_ONE_SHOT_UP 0x00003100 // Timer B one-shot up-count timer
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#define TIMER_CFG_B_PERIODIC 0x00002200 // Timer B periodic timer
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#define TIMER_CFG_B_PERIODIC_UP 0x00003200 // Timer B periodic up-count timer
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#define TIMER_CFG_B_CAP_COUNT 0x00000300 // Timer B event counter
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#define TIMER_CFG_B_CAP_COUNT_UP 0x00001300 // Timer B event up-counter
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#define TIMER_CFG_B_CAP_TIME 0x00000700 // Timer B event timer
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#define TIMER_CFG_B_CAP_TIME_UP 0x00001700 // Timer B event up-count timer
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#define TIMER_CFG_B_PWM 0x00000A00 // Timer B PWM output
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//*****************************************************************************
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//
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// Values that can be passed to TimerIntEnable, TimerIntDisable, and
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// TimerIntClear as the ulIntFlags parameter, and returned from TimerIntStatus.
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//
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//*****************************************************************************
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#define TIMER_TIMB_DMA 0x00002000 // TimerB DMA Done interrupt
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#define TIMER_TIMB_MATCH 0x00000800 // TimerB match interrupt
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#define TIMER_CAPB_EVENT 0x00000400 // CaptureB event interrupt
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#define TIMER_CAPB_MATCH 0x00000200 // CaptureB match interrupt
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#define TIMER_TIMB_TIMEOUT 0x00000100 // TimerB time out interrupt
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#define TIMER_TIMA_DMA 0x00000020 // TimerA DMA Done interrupt
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#define TIMER_TIMA_MATCH 0x00000010 // TimerA match interrupt
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#define TIMER_CAPA_EVENT 0x00000004 // CaptureA event interrupt
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#define TIMER_CAPA_MATCH 0x00000002 // CaptureA match interrupt
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#define TIMER_TIMA_TIMEOUT 0x00000001 // TimerA time out interrupt
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//*****************************************************************************
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//
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// Values that can be passed to TimerControlEvent as the ulEvent parameter.
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//
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//*****************************************************************************
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#define TIMER_EVENT_POS_EDGE 0x00000000 // Count positive edges
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#define TIMER_EVENT_NEG_EDGE 0x00000404 // Count negative edges
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#define TIMER_EVENT_BOTH_EDGES 0x00000C0C // Count both edges
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//*****************************************************************************
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//
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// Values that can be passed to most of the timer APIs as the ulTimer
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// parameter.
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//
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//*****************************************************************************
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#define TIMER_A 0x000000ff // Timer A
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#define TIMER_B 0x0000ff00 // Timer B
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#define TIMER_BOTH 0x0000ffff // Timer Both
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//*****************************************************************************
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//
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// Values that can be passed to TimerSynchronize as the ulTimers parameter.
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//
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//*****************************************************************************
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#define TIMER_0A_SYNC 0x00000001 // Synchronize Timer 0A
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#define TIMER_0B_SYNC 0x00000002 // Synchronize Timer 0B
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#define TIMER_1A_SYNC 0x00000004 // Synchronize Timer 1A
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#define TIMER_1B_SYNC 0x00000008 // Synchronize Timer 1B
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#define TIMER_2A_SYNC 0x00000010 // Synchronize Timer 2A
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#define TIMER_2B_SYNC 0x00000020 // Synchronize Timer 2B
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#define TIMER_3A_SYNC 0x00000040 // Synchronize Timer 3A
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#define TIMER_3B_SYNC 0x00000080 // Synchronize Timer 3B
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//*****************************************************************************
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//
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// Values that can be passed to TimerDMAEventSet() or returned from
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// TimerDMAEventGet().
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//
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//*****************************************************************************
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#define TIMER_DMA_MODEMATCH_B 0x00000800
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#define TIMER_DMA_CAPEVENT_B 0x00000400
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#define TIMER_DMA_CAPMATCH_B 0x00000200
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#define TIMER_DMA_TIMEOUT_B 0x00000100
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#define TIMER_DMA_MODEMATCH_A 0x00000010
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#define TIMER_DMA_CAPEVENT_A 0x00000004
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#define TIMER_DMA_CAPMATCH_A 0x00000002
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#define TIMER_DMA_TIMEOUT_A 0x00000001
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//*****************************************************************************
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//
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// Prototypes for the APIs.
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//
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//*****************************************************************************
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extern void TimerEnable(unsigned long ulBase, unsigned long ulTimer);
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extern void TimerDisable(unsigned long ulBase, unsigned long ulTimer);
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extern void TimerConfigure(unsigned long ulBase, unsigned long ulConfig);
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extern void TimerControlLevel(unsigned long ulBase, unsigned long ulTimer,
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tBoolean bInvert);
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extern void TimerControlEvent(unsigned long ulBase, unsigned long ulTimer,
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unsigned long ulEvent);
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extern void TimerControlStall(unsigned long ulBase, unsigned long ulTimer,
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tBoolean bStall);
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extern void TimerPrescaleSet(unsigned long ulBase, unsigned long ulTimer,
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unsigned long ulValue);
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extern unsigned long TimerPrescaleGet(unsigned long ulBase,
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unsigned long ulTimer);
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extern void TimerPrescaleMatchSet(unsigned long ulBase, unsigned long ulTimer,
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unsigned long ulValue);
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extern unsigned long TimerPrescaleMatchGet(unsigned long ulBase,
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unsigned long ulTimer);
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extern void TimerLoadSet(unsigned long ulBase, unsigned long ulTimer,
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unsigned long ulValue);
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extern unsigned long TimerLoadGet(unsigned long ulBase, unsigned long ulTimer);
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extern unsigned long TimerValueGet(unsigned long ulBase,
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unsigned long ulTimer);
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extern void TimerValueSet(unsigned long ulBase, unsigned long ulTimer,
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unsigned long ulValue);
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extern void TimerMatchSet(unsigned long ulBase, unsigned long ulTimer,
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unsigned long ulValue);
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extern unsigned long TimerMatchGet(unsigned long ulBase,
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unsigned long ulTimer);
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extern void TimerIntRegister(unsigned long ulBase, unsigned long ulTimer,
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void (*pfnHandler)(void));
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extern void TimerIntUnregister(unsigned long ulBase, unsigned long ulTimer);
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extern void TimerIntEnable(unsigned long ulBase, unsigned long ulIntFlags);
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extern void TimerIntDisable(unsigned long ulBase, unsigned long ulIntFlags);
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extern unsigned long TimerIntStatus(unsigned long ulBase, tBoolean bMasked);
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extern void TimerIntClear(unsigned long ulBase, unsigned long ulIntFlags);
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extern void TimerDMAEventSet(unsigned long ulBase, unsigned long ulDMAEvent);
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extern unsigned long TimerDMAEventGet(unsigned long ulBase);
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//*****************************************************************************
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//
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// Mark the end of the C bindings section for C++ compilers.
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//
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//*****************************************************************************
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#ifdef __cplusplus
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}
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#endif
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#endif // __TIMER_H__
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