/** * \file TPwm.h * \brief TPWM interface * * \copyright Copyright (c) 2013 Infineon Technologies AG. All rights reserved. * * $Date: 2014-02-27 20:08:18 GMT$ * * IMPORTANT NOTICE * * * Use of this file is subject to the terms of use agreed between (i) you or * the company in which ordinary course of business you are acting and (ii) * Infineon Technologies AG or its licensees. If and as long as no such * terms of use are agreed, use of this file is subject to following: * Boost Software License - Version 1.0 - August 17th, 2003 * Permission is hereby granted, free of charge, to any person or * organization obtaining a copy of the software and accompanying * documentation covered by this license (the "Software") to use, reproduce, * display, distribute, execute, and transmit the Software, and to prepare * derivative works of the Software, and to permit third-parties to whom the * Software is furnished to do so, all subject to the following: * The copyright notices in the Software and this entire statement, including * the above license grant, this restriction and the following disclaimer, must * be included in all copies of the Software, in whole or in part, and all * derivative works of the Software, unless such copies or derivative works are * solely in the form of machine-executable object code generated by a source * language processor. * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE, TITLE AND NON-INFRINGEMENT. IN NO EVENT * SHALL THE COPYRIGHT HOLDERS OR ANYONE DISTRIBUTING THE SOFTWARE BE LIABLE * FOR ANY DAMAGES OR OTHER LIABILITY, WHETHER IN CONTRACT, TORT OR OTHERWISE, * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER * DEALINGS IN THE SOFTWARE. * * \defgroup library_srvsw_if_tpwm TPWM interface * \ingroup library_srvsw_if * */ #ifndef TPWM_H_ #define TPWM_H_ 1 #include "Cpu/Std/Ifx_Types.h" typedef struct TPwm_s TPwm; typedef void (*TPwm_Start)(TPwm *handle); typedef void (*TPwm_Pause)(TPwm *handle); typedef void (*TPwm_Resume)(TPwm *handle); typedef void (*TPwm_Stop)(TPwm *handle); typedef struct { TPwm_Start start; TPwm_Pause pause; TPwm_Resume resume; TPwm_Stop stop; } TPwm_Functions; /** \brief Structure of the TPwm interface */ struct TPwm_s { float32 frequency; /**< \brief Actual frequency */ Ifx_TimerValue period; /**< \brief Actual timer period */ #if IFX_CFG_USE_STANDARD_INTERFACE TPwm_Functions functions; /**< \brief Actual timer period */ #endif }; /** \brief Configuration structure of the TPwm interface */ typedef struct { float32 frequency; /**< \brief Specify expected PWM frequency in Hertz */ Ifx_TimerValue waitingTime; /**< \brief Specify the expected ticks before timer starts (TWAIT) */ Ifx_TimerValue activeCount; /**< \brief Specify active PWM period (TCOUNT) */ Ifx_TimerValue period; /**< \brief Specify expected PWM period in ticks. */ Ifx_ActiveState activeState; /**< \brief Active state select for PWM output. Active high means that the PWM edge is rising at the elapsed of waitingTicks */ } TPwm_Config; #if IFX_CFG_USE_STANDARD_INTERFACE IFX_INLINE void TPwm_start(TPwm *handle) {handle->functions.start(handle); } IFX_INLINE void TPwm_pause(TPwm *handle) {handle->functions.pause(handle); } IFX_INLINE void TPwm_resume(TPwm *handle) {handle->functions.resume(handle); } IFX_INLINE void TPwm_stop(TPwm *handle) {handle->functions.stop(handle); } #endif #endif /* TPWM_H_ */