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[/] [openrisc/] [trunk/] [rtos/] [freertos-6.1.1/] [Demo/] [CORTEX_LM3S811_IAR/] [LuminaryCode/] [pwm.h] - Blame information for rev 581

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1 581 jeremybenn
//*****************************************************************************
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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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