//***************************************************************************** // // pwm.h - API function protoypes for Pulse Width Modulation (PWM) ports // // Copyright (c) 2005-2020 Texas Instruments Incorporated. All rights reserved. // Software License Agreement // // Redistribution and use in source and binary forms, with or without // modification, are permitted provided that the following conditions // are met: // // Redistributions of source code must retain the above copyright // notice, this list of conditions and the following disclaimer. // // Redistributions in binary form must reproduce the above copyright // notice, this list of conditions and the following disclaimer in the // documentation and/or other materials provided with the // distribution. // // Neither the name of Texas Instruments Incorporated nor the names of // its contributors may be used to endorse or promote products derived // from this software without specific prior written permission. // // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. // // This is part of revision 2.2.0.295 of the Tiva Peripheral Driver Library. // //***************************************************************************** #ifndef __DRIVERLIB_PWM_H__ #define __DRIVERLIB_PWM_H__ //***************************************************************************** // // If building with a C++ compiler, make all of the definitions in this header // have a C binding. // //***************************************************************************** #ifdef __cplusplus extern "C" { #endif //***************************************************************************** // // The following defines are passed to PWMGenConfigure() as the ui32Config // 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 #define PWM_GEN_MODE_FAULT_LATCHED \ 0x00040000 // Fault is latched #define PWM_GEN_MODE_FAULT_UNLATCHED \ 0x00000000 // Fault is not latched #define PWM_GEN_MODE_FAULT_MINPER \ 0x00020000 // Enable min fault period #define PWM_GEN_MODE_FAULT_NO_MINPER \ 0x00000000 // Disable min fault period #define PWM_GEN_MODE_FAULT_EXT 0x00010000 // Enable extended fault support #define PWM_GEN_MODE_FAULT_LEGACY \ 0x00000000 // Disable extended fault support #define PWM_GEN_MODE_DB_NO_SYNC 0x00000000 // Deadband updates occur // immediately #define PWM_GEN_MODE_DB_SYNC_LOCAL \ 0x0000A800 // Deadband updates locally // synchronized #define PWM_GEN_MODE_DB_SYNC_GLOBAL \ 0x0000FC00 // Deadband updates globally // synchronized #define PWM_GEN_MODE_GEN_NO_SYNC \ 0x00000000 // Generator mode updates occur // immediately #define PWM_GEN_MODE_GEN_SYNC_LOCAL \ 0x00000280 // Generator mode updates locally // synchronized #define PWM_GEN_MODE_GEN_SYNC_GLOBAL \ 0x000003C0 // Generator mode updates globally // synchronized //***************************************************************************** // // 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_GEN_3 0x00000008 // Generator 3 interrupt #define PWM_INT_FAULT0 0x00010000 // Fault0 interrupt #define PWM_INT_FAULT1 0x00020000 // Fault1 interrupt #define PWM_INT_FAULT2 0x00040000 // Fault2 interrupt #define PWM_INT_FAULT3 0x00080000 // Fault3 interrupt #define PWM_INT_FAULT_M 0x000F0000 // Fault interrupt source mask //***************************************************************************** // // 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_3 0x00000100 // Offset address of Gen3 #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 #define PWM_GEN_3_BIT 0x00000008 // Bit-wise ID for Gen3 #define PWM_GEN_EXT_0 0x00000800 // Offset of Gen0 ext address range #define PWM_GEN_EXT_1 0x00000880 // Offset of Gen1 ext address range #define PWM_GEN_EXT_2 0x00000900 // Offset of Gen2 ext address range #define PWM_GEN_EXT_3 0x00000980 // Offset of Gen3 ext address range //***************************************************************************** // // 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_6 0x00000106 // Encoded offset address of PWM6 #define PWM_OUT_7 0x00000107 // Encoded offset address of PWM7 #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 #define PWM_OUT_6_BIT 0x00000040 // Bit-wise ID for PWM6 #define PWM_OUT_7_BIT 0x00000080 // Bit-wise ID for PWM7 //***************************************************************************** // // Defines to identify each of the possible fault trigger conditions in // PWM_FAULT_GROUP_0. // //***************************************************************************** #define PWM_FAULT_GROUP_0 0 #define PWM_FAULT_FAULT0 0x00000001 #define PWM_FAULT_FAULT1 0x00000002 #define PWM_FAULT_FAULT2 0x00000004 #define PWM_FAULT_FAULT3 0x00000008 #define PWM_FAULT_ACMP0 0x00010000 #define PWM_FAULT_ACMP1 0x00020000 #define PWM_FAULT_ACMP2 0x00040000 //***************************************************************************** // // Defines to identify each of the possible fault trigger conditions in // PWM_FAULT_GROUP_1. // //***************************************************************************** #define PWM_FAULT_GROUP_1 1 #define PWM_FAULT_DCMP0 0x00000001 #define PWM_FAULT_DCMP1 0x00000002 #define PWM_FAULT_DCMP2 0x00000004 #define PWM_FAULT_DCMP3 0x00000008 #define PWM_FAULT_DCMP4 0x00000010 #define PWM_FAULT_DCMP5 0x00000020 #define PWM_FAULT_DCMP6 0x00000040 #define PWM_FAULT_DCMP7 0x00000080 //***************************************************************************** // // Defines to identify the sense of each of the external FAULTn signals // //***************************************************************************** #define PWM_FAULT0_SENSE_HIGH 0x00000000 #define PWM_FAULT0_SENSE_LOW 0x00000001 #define PWM_FAULT1_SENSE_HIGH 0x00000000 #define PWM_FAULT1_SENSE_LOW 0x00000002 #define PWM_FAULT2_SENSE_HIGH 0x00000000 #define PWM_FAULT2_SENSE_LOW 0x00000004 #define PWM_FAULT3_SENSE_HIGH 0x00000000 #define PWM_FAULT3_SENSE_LOW 0x00000008 //***************************************************************************** // // Defines that can be passed to the PWMClockSet() API as the ui32Config // parameter, and can be returned by the PWMClockGet() API. // //***************************************************************************** #define PWM_SYSCLK_DIV_1 0x00000000 // PWM clock is system clock #define PWM_SYSCLK_DIV_2 0x00000100 // PWM clock is system clock /2 #define PWM_SYSCLK_DIV_4 0x00000101 // PWM clock is system clock /4 #define PWM_SYSCLK_DIV_8 0x00000102 // PWM clock is system clock /8 #define PWM_SYSCLK_DIV_16 0x00000103 // PWM clock is system clock /16 #define PWM_SYSCLK_DIV_32 0x00000104 // PWM clock is system clock /32 #define PWM_SYSCLK_DIV_64 0x00000105 // PWM clock is system clock /64 //***************************************************************************** // // Defines passed to PWMOutputUpdateMode() to identify the synchronization mode // to use when enabling or disabling outputs using PWMOutputState(). // //***************************************************************************** #define PWM_OUTPUT_MODE_NO_SYNC 0x00000000 // Updates to occur immediately #define PWM_OUTPUT_MODE_SYNC_LOCAL \ 0x00000002 // Updates are locally synchronized #define PWM_OUTPUT_MODE_SYNC_GLOBAL \ 0x00000003 // Updates are globally synchronized //***************************************************************************** // // API Function prototypes // //***************************************************************************** extern void PWMGenConfigure(uint32_t ui32Base, uint32_t ui32Gen, uint32_t ui32Config); extern void PWMGenPeriodSet(uint32_t ui32Base, uint32_t ui32Gen, uint32_t ui32Period); extern uint32_t PWMGenPeriodGet(uint32_t ui32Base, uint32_t ui32Gen); extern void PWMGenEnable(uint32_t ui32Base, uint32_t ui32Gen); extern void PWMGenDisable(uint32_t ui32Base, uint32_t ui32Gen); extern void PWMPulseWidthSet(uint32_t ui32Base, uint32_t ui32PWMOut, uint32_t ui32Width); extern uint32_t PWMPulseWidthGet(uint32_t ui32Base, uint32_t ui32PWMOut); extern void PWMDeadBandEnable(uint32_t ui32Base, uint32_t ui32Gen, uint16_t ui16Rise, uint16_t ui16Fall); extern void PWMDeadBandDisable(uint32_t ui32Base, uint32_t ui32Gen); extern void PWMSyncUpdate(uint32_t ui32Base, uint32_t ui32GenBits); extern void PWMSyncTimeBase(uint32_t ui32Base, uint32_t ui32GenBits); extern void PWMOutputState(uint32_t ui32Base, uint32_t ui32PWMOutBits, bool bEnable); extern void PWMOutputInvert(uint32_t ui32Base, uint32_t ui32PWMOutBits, bool bInvert); extern void PWMOutputFaultLevel(uint32_t ui32Base, uint32_t ui32PWMOutBits, bool bDriveHigh); extern void PWMOutputFault(uint32_t ui32Base, uint32_t ui32PWMOutBits, bool bFaultSuppress); extern void PWMGenIntRegister(uint32_t ui32Base, uint32_t ui32Gen, void (*pfnIntHandler)(void)); extern void PWMGenIntUnregister(uint32_t ui32Base, uint32_t ui32Gen); extern void PWMFaultIntRegister(uint32_t ui32Base, void (*pfnIntHandler)(void)); extern void PWMFaultIntUnregister(uint32_t ui32Base); extern void PWMGenIntTrigEnable(uint32_t ui32Base, uint32_t ui32Gen, uint32_t ui32IntTrig); extern void PWMGenIntTrigDisable(uint32_t ui32Base, uint32_t ui32Gen, uint32_t ui32IntTrig); extern uint32_t PWMGenIntStatus(uint32_t ui32Base, uint32_t ui32Gen, bool bMasked); extern void PWMGenIntClear(uint32_t ui32Base, uint32_t ui32Gen, uint32_t ui32Ints); extern void PWMIntEnable(uint32_t ui32Base, uint32_t ui32GenFault); extern void PWMIntDisable(uint32_t ui32Base, uint32_t ui32GenFault); extern void PWMFaultIntClear(uint32_t ui32Base); extern uint32_t PWMIntStatus(uint32_t ui32Base, bool bMasked); extern void PWMFaultIntClearExt(uint32_t ui32Base, uint32_t ui32FaultInts); extern void PWMGenFaultConfigure(uint32_t ui32Base, uint32_t ui32Gen, uint32_t ui32MinFaultPeriod, uint32_t ui32FaultSenses); extern void PWMGenFaultTriggerSet(uint32_t ui32Base, uint32_t ui32Gen, uint32_t ui32Group, uint32_t ui32FaultTriggers); extern uint32_t PWMGenFaultTriggerGet(uint32_t ui32Base, uint32_t ui32Gen, uint32_t ui32Group); extern uint32_t PWMGenFaultStatus(uint32_t ui32Base, uint32_t ui32Gen, uint32_t ui32Group); extern void PWMGenFaultClear(uint32_t ui32Base, uint32_t ui32Gen, uint32_t ui32Group, uint32_t ui32FaultTriggers); extern void PWMClockSet(uint32_t ui32Base, uint32_t ui32Config); extern uint32_t PWMClockGet(uint32_t ui32Base); extern void PWMOutputUpdateMode(uint32_t ui32Base, uint32_t ui32PWMOutBits, uint32_t ui32Mode); //***************************************************************************** // // Mark the end of the C bindings section for C++ compilers. // //***************************************************************************** #ifdef __cplusplus } #endif #endif // __DRIVERLIB_PWM_H__