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//*****************************************************************************
//
// pwm.h - API function protoypes for Pulse Width Modulation (PWM) ports
//
// Copyright (c) 2005,2006 Luminary Micro, Inc. All rights reserved.
//
// Software License Agreement
//
// Luminary Micro, Inc. (LMI) is supplying this software for use solely and
// exclusively on LMI's Stellaris Family of microcontroller products.
//
// The software is owned by LMI and/or its suppliers, and is protected under
// applicable copyright laws. All rights are reserved. Any use in violation
// of the foregoing restrictions may subject the user to criminal sanctions
// under applicable laws, as well as to civil liability for the breach of the
// terms and conditions of this license.
//
// THIS SOFTWARE IS PROVIDED "AS IS". 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.
// LMI SHALL NOT, IN ANY CIRCUMSTANCES, BE LIABLE FOR SPECIAL, INCIDENTAL, OR
// CONSEQUENTIAL DAMAGES, FOR ANY REASON WHATSOEVER.
//
// This is part of revision 991 of the Stellaris Driver Library.
//
//*****************************************************************************
#ifndef __PWM_H__
#define __PWM_H__
#ifdef __cplusplus
extern "C"
{
#endif
//*****************************************************************************
//
// The following defines are passed to PWMGenConfigure() as the ulConfig
// parameter and specify the configuration of the PWM generator.
//
//*****************************************************************************
#define PWM_GEN_MODE_DOWN 0x00000000 // Down count mode
#define PWM_GEN_MODE_UP_DOWN 0x00000002 // Up/Down count mode
#define PWM_GEN_MODE_SYNC 0x00000038 // Synchronous updates
#define PWM_GEN_MODE_NO_SYNC 0x00000000 // Immediate updates
#define PWM_GEN_MODE_DBG_RUN 0x00000004 // Continue running in debug mode
#define PWM_GEN_MODE_DBG_STOP 0x00000000 // Stop running in debug mode
//*****************************************************************************
//
// Defines for enabling, disabling, and clearing PWM generator interrupts and
// triggers.
//
//*****************************************************************************
#define PWM_INT_CNT_ZERO 0x00000001 // Int if COUNT = 0
#define PWM_INT_CNT_LOAD 0x00000002 // Int if COUNT = LOAD
#define PWM_INT_CNT_AU 0x00000004 // Int if COUNT = CMPA U
#define PWM_INT_CNT_AD 0x00000008 // Int if COUNT = CMPA D
#define PWM_INT_CNT_BU 0x00000010 // Int if COUNT = CMPA U
#define PWM_INT_CNT_BD 0x00000020 // Int if COUNT = CMPA D
#define PWM_TR_CNT_ZERO 0x00000100 // Trig if COUNT = 0
#define PWM_TR_CNT_LOAD 0x00000200 // Trig if COUNT = LOAD
#define PWM_TR_CNT_AU 0x00000400 // Trig if COUNT = CMPA U
#define PWM_TR_CNT_AD 0x00000800 // Trig if COUNT = CMPA D
#define PWM_TR_CNT_BU 0x00001000 // Trig if COUNT = CMPA U
#define PWM_TR_CNT_BD 0x00002000 // Trig if COUNT = CMPA D
//*****************************************************************************
//
// Defines for enabling, disabling, and clearing PWM interrupts.
//
//*****************************************************************************
#define PWM_INT_GEN_0 0x00000001 // Generator 0 interrupt
#define PWM_INT_GEN_1 0x00000002 // Generator 1 interrupt
#define PWM_INT_GEN_2 0x00000004 // Generator 2 interrupt
#define PWM_INT_FAULT 0x00010000 // Fault interrupt
//*****************************************************************************
//
// Defines to identify the generators within a module.
//
//*****************************************************************************
#define PWM_GEN_0 0x00000040 // Offset address of Gen0
#define PWM_GEN_1 0x00000080 // Offset address of Gen1
#define PWM_GEN_2 0x000000C0 // Offset address of Gen2
#define PWM_GEN_0_BIT 0x00000001 // Bit-wise ID for Gen0
#define PWM_GEN_1_BIT 0x00000002 // Bit-wise ID for Gen1
#define PWM_GEN_2_BIT 0x00000004 // Bit-wise ID for Gen2
//*****************************************************************************
//
// Defines to identify the outputs within a module.
//
//*****************************************************************************
#define PWM_OUT_0 0x00000040 // Encoded offset address of PWM0
#define PWM_OUT_1 0x00000041 // Encoded offset address of PWM1
#define PWM_OUT_2 0x00000082 // Encoded offset address of PWM2
#define PWM_OUT_3 0x00000083 // Encoded offset address of PWM3
#define PWM_OUT_4 0x000000C4 // Encoded offset address of PWM4
#define PWM_OUT_5 0x000000C5 // Encoded offset address of PWM5
#define PWM_OUT_0_BIT 0x00000001 // Bit-wise ID for PWM0
#define PWM_OUT_1_BIT 0x00000002 // Bit-wise ID for PWM1
#define PWM_OUT_2_BIT 0x00000004 // Bit-wise ID for PWM2
#define PWM_OUT_3_BIT 0x00000008 // Bit-wise ID for PWM3
#define PWM_OUT_4_BIT 0x00000010 // Bit-wise ID for PWM4
#define PWM_OUT_5_BIT 0x00000020 // Bit-wise ID for PWM5
//*****************************************************************************
//
// API Function prototypes
//
//*****************************************************************************
extern void PWMGenConfigure(unsigned long ulBase, unsigned long ulGen,
unsigned long ulConfig);
extern void PWMGenPeriodSet(unsigned long ulBase, unsigned long ulGen,
unsigned long ulPeriod);
extern unsigned long PWMGenPeriodGet(unsigned long ulBase,
unsigned long ulGen);
extern void PWMGenEnable(unsigned long ulBase, unsigned long ulGen);
extern void PWMGenDisable(unsigned long ulBase, unsigned long ulGen);
extern void PWMPulseWidthSet(unsigned long ulBase, unsigned long ulPWMOut,
unsigned long ulWidth);
extern unsigned long PWMPulseWidthGet(unsigned long ulBase,
unsigned long ulPWMOut);
extern void PWMDeadBandEnable(unsigned long ulBase, unsigned long ulGen,
unsigned short usRise, unsigned short usFall);
extern void PWMDeadBandDisable(unsigned long ulBase, unsigned long ulGen);
extern void PWMSyncUpdate(unsigned long ulBase, unsigned long ulGenBits);
extern void PWMSyncTimeBase(unsigned long ulBase, unsigned long ulGenBits);
extern void PWMOutputState(unsigned long ulBase, unsigned long ulPWMOutBits,
tBoolean bEnable);
extern void PWMOutputInvert(unsigned long ulBase, unsigned long ulPWMOutBits,
tBoolean bInvert);
extern void PWMOutputFault(unsigned long ulBase, unsigned long ulPWMOutBits,
tBoolean bFaultKill);
extern void PWMGenIntRegister(unsigned long ulBase, unsigned long ulGen,
void (*pfnIntHandler)(void));
extern void PWMGenIntUnregister(unsigned long ulBase, unsigned long ulGen);
extern void PWMFaultIntRegister(unsigned long ulBase,
void (*pfnIntHandler)(void));
extern void PWMFaultIntUnregister(unsigned long ulBase);
extern void PWMGenIntTrigEnable(unsigned long ulBase, unsigned long ulGen,
unsigned long ulIntTrig);
extern void PWMGenIntTrigDisable(unsigned long ulBase, unsigned long ulGen,
unsigned long ulIntTrig);
extern unsigned long PWMGenIntStatus(unsigned long ulBase, unsigned long ulGen,
tBoolean bMasked);
extern void PWMGenIntClear(unsigned long ulBase, unsigned long ulGen,
unsigned long ulInts);
extern void PWMIntEnable(unsigned long ulBase, unsigned long ulGenFault);
extern void PWMIntDisable(unsigned long ulBase, unsigned long ulGenFault);
extern void PWMFaultIntClear(unsigned long ulBase);
extern unsigned long PWMIntStatus(unsigned long ulBase, tBoolean bMasked);
#ifdef __cplusplus
}
#endif
#endif // __PWM_H__
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