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162 lines
8.3 KiB
C
162 lines
8.3 KiB
C
//*****************************************************************************
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//
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// pwm.h - API function protoypes for Pulse Width Modulation (PWM) ports
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//
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// Copyright (c) 2005,2006 Luminary Micro, Inc. All rights reserved.
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//
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// Software License Agreement
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//
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// Luminary Micro, Inc. (LMI) is supplying this software for use solely and
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// exclusively on LMI's Stellaris Family of microcontroller products.
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//
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// The software is owned by LMI and/or its suppliers, and is protected under
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// applicable copyright laws. All rights are reserved. Any use in violation
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// of the foregoing restrictions may subject the user to criminal sanctions
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// under applicable laws, as well as to civil liability for the breach of the
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// terms and conditions of this license.
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//
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// THIS SOFTWARE IS PROVIDED "AS IS". NO WARRANTIES, WHETHER EXPRESS, IMPLIED
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// OR STATUTORY, INCLUDING, BUT NOT LIMITED TO, IMPLIED WARRANTIES OF
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// MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE APPLY TO THIS SOFTWARE.
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// LMI SHALL NOT, IN ANY CIRCUMSTANCES, BE LIABLE FOR SPECIAL, INCIDENTAL, OR
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// CONSEQUENTIAL DAMAGES, FOR ANY REASON WHATSOEVER.
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//
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// This is part of revision 991 of the Stellaris Driver Library.
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//
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//*****************************************************************************
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#ifndef __PWM_H__
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#define __PWM_H__
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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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// The following defines are passed to PWMGenConfigure() as the ulConfig
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// parameter and specify the configuration of the PWM generator.
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//
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//*****************************************************************************
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#define PWM_GEN_MODE_DOWN 0x00000000 // Down count mode
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#define PWM_GEN_MODE_UP_DOWN 0x00000002 // Up/Down count mode
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#define PWM_GEN_MODE_SYNC 0x00000038 // Synchronous updates
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#define PWM_GEN_MODE_NO_SYNC 0x00000000 // Immediate updates
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#define PWM_GEN_MODE_DBG_RUN 0x00000004 // Continue running in debug mode
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#define PWM_GEN_MODE_DBG_STOP 0x00000000 // Stop running in debug mode
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//*****************************************************************************
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//
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// Defines for enabling, disabling, and clearing PWM generator interrupts and
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// triggers.
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//
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//*****************************************************************************
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#define PWM_INT_CNT_ZERO 0x00000001 // Int if COUNT = 0
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#define PWM_INT_CNT_LOAD 0x00000002 // Int if COUNT = LOAD
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#define PWM_INT_CNT_AU 0x00000004 // Int if COUNT = CMPA U
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#define PWM_INT_CNT_AD 0x00000008 // Int if COUNT = CMPA D
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#define PWM_INT_CNT_BU 0x00000010 // Int if COUNT = CMPA U
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#define PWM_INT_CNT_BD 0x00000020 // Int if COUNT = CMPA D
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#define PWM_TR_CNT_ZERO 0x00000100 // Trig if COUNT = 0
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#define PWM_TR_CNT_LOAD 0x00000200 // Trig if COUNT = LOAD
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#define PWM_TR_CNT_AU 0x00000400 // Trig if COUNT = CMPA U
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#define PWM_TR_CNT_AD 0x00000800 // Trig if COUNT = CMPA D
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#define PWM_TR_CNT_BU 0x00001000 // Trig if COUNT = CMPA U
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#define PWM_TR_CNT_BD 0x00002000 // Trig if COUNT = CMPA D
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//*****************************************************************************
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//
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// Defines for enabling, disabling, and clearing PWM interrupts.
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//
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//*****************************************************************************
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#define PWM_INT_GEN_0 0x00000001 // Generator 0 interrupt
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#define PWM_INT_GEN_1 0x00000002 // Generator 1 interrupt
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#define PWM_INT_GEN_2 0x00000004 // Generator 2 interrupt
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#define PWM_INT_FAULT 0x00010000 // Fault interrupt
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//*****************************************************************************
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//
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// Defines to identify the generators within a module.
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//
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//*****************************************************************************
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#define PWM_GEN_0 0x00000040 // Offset address of Gen0
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#define PWM_GEN_1 0x00000080 // Offset address of Gen1
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#define PWM_GEN_2 0x000000C0 // Offset address of Gen2
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#define PWM_GEN_0_BIT 0x00000001 // Bit-wise ID for Gen0
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#define PWM_GEN_1_BIT 0x00000002 // Bit-wise ID for Gen1
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#define PWM_GEN_2_BIT 0x00000004 // Bit-wise ID for Gen2
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//*****************************************************************************
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//
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// Defines to identify the outputs within a module.
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//
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//*****************************************************************************
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#define PWM_OUT_0 0x00000040 // Encoded offset address of PWM0
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#define PWM_OUT_1 0x00000041 // Encoded offset address of PWM1
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#define PWM_OUT_2 0x00000082 // Encoded offset address of PWM2
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#define PWM_OUT_3 0x00000083 // Encoded offset address of PWM3
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#define PWM_OUT_4 0x000000C4 // Encoded offset address of PWM4
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#define PWM_OUT_5 0x000000C5 // Encoded offset address of PWM5
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#define PWM_OUT_0_BIT 0x00000001 // Bit-wise ID for PWM0
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#define PWM_OUT_1_BIT 0x00000002 // Bit-wise ID for PWM1
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#define PWM_OUT_2_BIT 0x00000004 // Bit-wise ID for PWM2
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#define PWM_OUT_3_BIT 0x00000008 // Bit-wise ID for PWM3
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#define PWM_OUT_4_BIT 0x00000010 // Bit-wise ID for PWM4
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#define PWM_OUT_5_BIT 0x00000020 // Bit-wise ID for PWM5
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//*****************************************************************************
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//
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// API Function prototypes
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//
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//*****************************************************************************
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extern void PWMGenConfigure(unsigned long ulBase, unsigned long ulGen,
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unsigned long ulConfig);
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extern void PWMGenPeriodSet(unsigned long ulBase, unsigned long ulGen,
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unsigned long ulPeriod);
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extern unsigned long PWMGenPeriodGet(unsigned long ulBase,
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unsigned long ulGen);
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extern void PWMGenEnable(unsigned long ulBase, unsigned long ulGen);
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extern void PWMGenDisable(unsigned long ulBase, unsigned long ulGen);
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extern void PWMPulseWidthSet(unsigned long ulBase, unsigned long ulPWMOut,
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unsigned long ulWidth);
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extern unsigned long PWMPulseWidthGet(unsigned long ulBase,
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unsigned long ulPWMOut);
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extern void PWMDeadBandEnable(unsigned long ulBase, unsigned long ulGen,
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unsigned short usRise, unsigned short usFall);
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extern void PWMDeadBandDisable(unsigned long ulBase, unsigned long ulGen);
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extern void PWMSyncUpdate(unsigned long ulBase, unsigned long ulGenBits);
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extern void PWMSyncTimeBase(unsigned long ulBase, unsigned long ulGenBits);
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extern void PWMOutputState(unsigned long ulBase, unsigned long ulPWMOutBits,
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tBoolean bEnable);
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extern void PWMOutputInvert(unsigned long ulBase, unsigned long ulPWMOutBits,
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tBoolean bInvert);
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extern void PWMOutputFault(unsigned long ulBase, unsigned long ulPWMOutBits,
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tBoolean bFaultKill);
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extern void PWMGenIntRegister(unsigned long ulBase, unsigned long ulGen,
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void (*pfnIntHandler)(void));
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extern void PWMGenIntUnregister(unsigned long ulBase, unsigned long ulGen);
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extern void PWMFaultIntRegister(unsigned long ulBase,
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void (*pfnIntHandler)(void));
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extern void PWMFaultIntUnregister(unsigned long ulBase);
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extern void PWMGenIntTrigEnable(unsigned long ulBase, unsigned long ulGen,
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unsigned long ulIntTrig);
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extern void PWMGenIntTrigDisable(unsigned long ulBase, unsigned long ulGen,
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unsigned long ulIntTrig);
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extern unsigned long PWMGenIntStatus(unsigned long ulBase, unsigned long ulGen,
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tBoolean bMasked);
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extern void PWMGenIntClear(unsigned long ulBase, unsigned long ulGen,
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unsigned long ulInts);
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extern void PWMIntEnable(unsigned long ulBase, unsigned long ulGenFault);
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extern void PWMIntDisable(unsigned long ulBase, unsigned long ulGenFault);
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extern void PWMFaultIntClear(unsigned long ulBase);
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extern unsigned long PWMIntStatus(unsigned long ulBase, tBoolean bMasked);
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#ifdef __cplusplus
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}
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#endif
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#endif // __PWM_H__
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