| //***************************************************************************** | |
| // | |
| // 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 635 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 (*pfIntHandler)(void)); | |
| extern void PWMGenIntUnregister(unsigned long ulBase, unsigned long ulGen); | |
| extern void PWMFaultIntRegister(unsigned long ulBase, | |
| void (*pfIntHandler)(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__ |