Initial commit: TC264 smart car project with IPS200 menu system
- IPS200 display menu with real-time status and parameter settings - Camera image processing and line tracking - IMU attitude solution and PID control - WiFi SPI oscilloscope data transmission
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/**
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* \file IfxStdIf_Timer.h
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* \brief Standard interface: Timer
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* \ingroup IfxStdIf
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*
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* \version disabled
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* \copyright Copyright (c) 2013 Infineon Technologies AG. All rights reserved.
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*
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*
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* IMPORTANT NOTICE
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*
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*
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* Use of this file is subject to the terms of use agreed between (i) you or
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* the company in which ordinary course of business you are acting and (ii)
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* Infineon Technologies AG or its licensees. If and as long as no such
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* terms of use are agreed, use of this file is subject to following:
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* Boost Software License - Version 1.0 - August 17th, 2003
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* Permission is hereby granted, free of charge, to any person or
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* organization obtaining a copy of the software and accompanying
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* documentation covered by this license (the "Software") to use, reproduce,
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* display, distribute, execute, and transmit the Software, and to prepare
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* derivative works of the Software, and to permit third-parties to whom the
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* Software is furnished to do so, all subject to the following:
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||||
* The copyright notices in the Software and this entire statement, including
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* the above license grant, this restriction and the following disclaimer, must
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* be included in all copies of the Software, in whole or in part, and all
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* derivative works of the Software, unless such copies or derivative works are
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* solely in the form of machine-executable object code generated by a source
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* language processor.
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE, TITLE AND NON-INFRINGEMENT. IN NO EVENT
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* SHALL THE COPYRIGHT HOLDERS OR ANYONE DISTRIBUTING THE SOFTWARE BE LIABLE
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* FOR ANY DAMAGES OR OTHER LIABILITY, WHETHER IN CONTRACT, TORT OR OTHERWISE,
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* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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* DEALINGS IN THE SOFTWARE.
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*
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*
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* \defgroup library_srvsw_stdif_timer Standard interface: Timer
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* \ingroup library_srvsw_stdif
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*
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* The standard interface timer (Timer) abstract the hardware used for timer feature. It provide, after proper initialization an hardware
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* independant way to interact with the timer functionallity like setting period, trigger points, ...
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*
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* The figure below shows the standard timer interface.
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*
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* \image html "Timer.png" "Standard timer interface"
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*
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* This interface defines the following features:
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* - Timer with configurable frequency
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* - Configurable counting direction
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* - Optional interrupt on timer event with configurable service request provider and priority
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* - Optional trigger signal with:
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* - Optional interrupt on trigger event with configurable service request provider and priority
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* - Configurable trigger point
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* - Configurable trigger edge
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* - trigger signal can be internal only or forwarded to a port pin
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*/
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#ifndef IFXSTDIF_TIMER_H
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#define IFXSTDIF_TIMER_H 1
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#include "Cpu/Std/Ifx_Types.h"
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#include "Src/Std/IfxSrc.h"
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#include "Port/Std/IfxPort.h"
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#include "IfxStdIf.h"
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/** \brief Output event enable / disable */
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typedef enum
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{
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IfxStdIf_Timer_Output_disabled, /**< \brief Timer output is set to the inactive, no change in the output */
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IfxStdIf_Timer_Output_enabled /**< \brief In case the trigger is enabled,
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* the output is set to active between time 0 to the trigger point,
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* and is set to inactive between the trigger point and the period.
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* In case the trigger is disabled and counting direction if IfxStdIf_Timer_CountDir_up, the output is toggled when the timer is reset
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* In case the trigger is disabled and counting direction if IfxStdIf_Timer_CountDir_down, the output is toggled when the timer is reloaded
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* In case the trigger is disabled and counting direction if IfxStdIf_Timer_CountDir_upAndDown, the output is toggled when the timer reach 0
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* In case the trigger is enabled the trigger is active before the trigger point and inactive after the trigger point.
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*/
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} IfxStdIf_Timer_OutputEvent;
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/** \brief Timer increment direction */
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typedef enum
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{
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IfxStdIf_Timer_CountDir_up, /**< \brief Timer is counting up */
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IfxStdIf_Timer_CountDir_upAndDown, /**< \brief Timer is counting up and down */
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IfxStdIf_Timer_CountDir_down /**< \brief Timer is counting down */
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} IfxStdIf_Timer_CountDir;
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/** \brief Forward declaration */
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typedef struct IfxStdIf_Timer_ IfxStdIf_Timer;
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/** \brief Return the timer frequency in Hz
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* \param stdIf Pointer to the interface driver object
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* \return Return the timer frequency in Hz
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*/
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typedef float32 (*IfxStdIf_Timer_GetFrequency)(IfxStdIf_InterfaceDriver stdIf);
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/** \brief Return the timer period in ticks
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* \param stdIf Pointer to the interface driver object
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* \return Return the timer period in ticks
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*/
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typedef Ifx_TimerValue (*IfxStdIf_Timer_GetPeriod)(IfxStdIf_InterfaceDriver stdIf);
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/** \brief Return the timer resolution in seconds
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* \param stdIf Pointer to the interface driver object
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* \return Return the timer resolution in seconds
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*/
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typedef float32 (*IfxStdIf_Timer_GetResolution)(IfxStdIf_InterfaceDriver stdIf);
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/** \brief Return the timer trigger point
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* \param stdIf Pointer to the interface driver object
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* \return Return the timer timer point
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*/
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typedef Ifx_TimerValue (*IfxStdIf_Timer_GetTrigger)(IfxStdIf_InterfaceDriver stdIf);
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/** \brief Set the timer frequency in Hz
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* \param stdIf Pointer to the interface driver object
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* \param frequency Requested timer frequency in Hz
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* \retval TRUE The requested frequency could be set
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* \retval FALSE The requested frequency is out of range
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*/
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typedef boolean (*IfxStdIf_Timer_SetFrequency)(IfxStdIf_InterfaceDriver stdIf, float32 frequency);
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/** \brief Indicates the stdIf that the imput frequency has changed and that it should be taken in account
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* \param stdIf Pointer to the interface driver object
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* \return None
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*/
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typedef void (*IfxStdIf_Timer_UpdateInputFrequency)(IfxStdIf_InterfaceDriver stdIf);
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/** \brief Apply requested updates.
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*
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* Such requested update are calls to:
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* - IfxStdIf_Timer_setSingleMode()
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* - IfxStdIf_Timer_setTrigger()
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* - IfxStdIf_Timer_setPeriod() or IfxStdIf_Timer_setFrequency()
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* as well as PWM generation related calls such as:
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* - IfxStdIf_PwmHl_setDeadtime()
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* - IfxStdIf_PwmHl_setMode()
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* - IfxStdIf_PwmHl_setOnTime()
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* - IfxStdIf_PwmHl_setupChannels()
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*
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* It is important to note, that only one call to Timer_applyUpdate() is allowed within
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* one timer period!!!
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* In order to ensure correct update synchronisation, disableUpdate() should have been called previously.
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*
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* \param stdIf Pointer to the interface driver object
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* \return None
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*/
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typedef void (*IfxStdIf_Timer_ApplyUpdate)(IfxStdIf_InterfaceDriver stdIf);
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/** \brief Disable updates
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*
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* The following API action will not be taken in account before applyUpdate is called:
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* - IfxStdIf_Timer_setSingleMode()
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* - IfxStdIf_Timer_setTrigger()
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* - IfxStdIf_Timer_setPeriod() or IfxStdIf_Timer_setFrequency()
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* as well as PWM generation related calls such as:
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* - IfxStdIf_PwmHl_setDeadtime()
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* - IfxStdIf_PwmHl_setMode()
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* - IfxStdIf_PwmHl_setOnTime()
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* - IfxStdIf_PwmHl_setupChannels()
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*
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* \param stdIf Pointer to the interface driver object
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* \return None
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*/
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typedef void (*IfxStdIf_Timer_DisableUpdate)(IfxStdIf_InterfaceDriver stdIf);
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/** \brief Return the timer input frequency in Hz
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* \param stdIf Pointer to the interface driver object
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* \return Return the timer input frequency in Hz
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*/
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typedef float32 (*IfxStdIf_Timer_GetInputFrequency)(IfxStdIf_InterfaceDriver stdIf);
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/** \brief Immediately start the timer.
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*
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* Please note that other mechanism may avoid the timer to tick, such as when the
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* global (input) clock to the timer block is inactive.
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* \param stdIf Pointer to the interface driver object
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* \return none
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*/
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typedef void (*IfxStdIf_Timer_Run)(IfxStdIf_InterfaceDriver stdIf);
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/** \brief Set the timer period.
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*
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* Timer_applyUpdate() shall be invoked in order this to take effect.
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* \param stdIf Pointer to the interface driver object
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* \param period Period value in ticks
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* \retval TRUE The requested period could be set
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* \retval FALSE The requested period is out of range
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*/
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typedef boolean (*IfxStdIf_Timer_SetPeriod)(IfxStdIf_InterfaceDriver stdIf, Ifx_TimerValue period);
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/** \brief Stop timer at the end of the period
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*
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* Timer_applyUpdate() shall be invoked in order this to take effect.
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* \param stdIf Pointer to the interface driver object
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* \param enabled If TRUE, enable the single mode, else disable the single mode (continuous mode)
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* \return none
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*/
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typedef void (*IfxStdIf_Timer_SetSingleMode)(IfxStdIf_InterfaceDriver stdIf, boolean enabled);
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/** \brief Set trigger point.
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*
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* \see Timer_OutputEvent for the definition of the output level.
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* Active state is defined by Timer_Config::outputActiveState.
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*
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* Timer_applyUpdate() shall be invoked in order this to take effect.
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* \param stdIf Pointer to the interface driver object
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* \param triggerPoint Trigger point in ticks from the period start.
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* \return none
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*/
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typedef void (*IfxStdIf_Timer_SetTrigger)(IfxStdIf_InterfaceDriver stdIf, Ifx_TimerValue triggerPoint);
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/** \brief Immediately stops the timer
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* \param stdIf Pointer to the interface driver object
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* \return none
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*/
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typedef void (*IfxStdIf_Timer_Stop)(IfxStdIf_InterfaceDriver stdIf);
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/** \brief Return the timer interrupt flag and reset it
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* \param stdIf Pointer to the interface driver object
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* \return Return the timer interrupt flag
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*/
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typedef boolean (*IfxStdIf_Timer_AckTimerIrq)(IfxStdIf_InterfaceDriver stdIf);
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/** \brief Return the trigger interrupt flag and reset it
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* \param stdIf Pointer to the interface driver object
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* \return Return the trigger interrupt flag
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*/
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typedef boolean (*IfxStdIf_Timer_AckTriggerIrq)(IfxStdIf_InterfaceDriver stdIf);
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/** \brief Standard interface object
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*/
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struct IfxStdIf_Timer_
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{
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IfxStdIf_InterfaceDriver driver; /**< \brief Interface driver object */
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IfxStdIf_Timer_GetFrequency getFrequency; /**< \brief \see IfxStdIf_Timer_GetFrequency */
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IfxStdIf_Timer_GetPeriod getPeriod; /**< \brief \see IfxStdIf_Timer_GetPeriod */
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IfxStdIf_Timer_GetResolution getResolution; /**< \brief \see IfxStdIf_Timer_GetResolution */
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IfxStdIf_Timer_GetTrigger getTrigger; /**< \brief \see IfxStdIf_Timer_GetTrigger */
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IfxStdIf_Timer_SetFrequency setFrequency; /**< \brief \see IfxStdIf_Timer_SetFrequency */
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IfxStdIf_Timer_UpdateInputFrequency updateInputFrequency; /**< \brief \see IfxStdIf_Timer_UpdateInputFrequency */
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IfxStdIf_Timer_ApplyUpdate applyUpdate; /**< \brief \see IfxStdIf_Timer_ApplyUpdate */
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IfxStdIf_Timer_DisableUpdate disableUpdate; /**< \brief \see IfxStdIf_Timer_DisableUpdate */
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IfxStdIf_Timer_GetInputFrequency getInputFrequency; /**< \brief \see IfxStdIf_Timer_GetInputFrequency */
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IfxStdIf_Timer_Run run; /**< \brief \see IfxStdIf_Timer_Run */
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IfxStdIf_Timer_SetPeriod setPeriod; /**< \brief \see IfxStdIf_Timer_SetPeriod */
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IfxStdIf_Timer_SetSingleMode setSingleMode; /**< \brief \see IfxStdIf_Timer_SetSingleMode */
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IfxStdIf_Timer_SetTrigger setTrigger; /**< \brief \see IfxStdIf_Timer_SetTrigger */
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IfxStdIf_Timer_Stop stop; /**< \brief \see IfxStdIf_Timer_Stop */
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IfxStdIf_Timer_AckTimerIrq ackTimerIrq; /**< \brief \see IfxStdIf_Timer_AckTimerIrq */
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IfxStdIf_Timer_AckTriggerIrq ackTriggerIrq; /**< \brief \see IfxStdIf_Timer_AckTriggerIrq */
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};
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/** \brief Trigger configuration */
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typedef struct
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{
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boolean enabled; /**< \brief If true, the trigger functionality is Initialised, else ignored */
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Ifx_TimerValue triggerPoint; /**< \brief Trigger point in timer ticks */
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Ifx_Priority isrPriority; /**< \brief Interrupt isrPriority of the trigger interrupt, if 0 the interrupt is disable */
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IfxSrc_Tos isrProvider; /**< \brief Interrupt service provider for the trigger interrupt */
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IfxPort_OutputMode outputMode; /**< \brief Output mode */
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IfxPort_PadDriver outputDriver; /**< \brief Output pad driver */
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boolean risingEdgeAtPeriod; /**< \brief Set the clock signal polarity, if TRUE, the rising edge is at the period, else at the trigger offset. When the timer is stopped, the output is set to high */
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boolean outputEnabled; /**< \brief If TRUE, the output pin is enabled, else disabled. In case the output is disabled, the output pin is not initialized. */
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} IfxStdIf_Timer_TrigConfig;
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/** \brief Timer configuration */
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typedef struct
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{
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float32 frequency; /**< \brief PWM frequency in Hz. This parameter is only used to initialise the timer structure. An additional cell is required to build the timer. */
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Ifx_Priority isrPriority; /**< \brief Interrupt isrPriority of the timer interrupt, if 0 the interrupt is disable */
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IfxSrc_Tos isrProvider; /**< \brief Interrupt service provider for the timer interrupt */
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float32 minResolution; /**< \brief Minimum resolution of the timer in seconds. if 0, this parameter is ignored. If the configuration does not enable this setting a warning is given */
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IfxStdIf_Timer_TrigConfig trigger; /**< \brief Trigger configuration */
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IfxStdIf_Timer_CountDir countDir; /**< \brief Timer counting mode */
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float32 startOffset; /**< \brief FIXME make startOffset as Ifx_TimerValue. Timer initial offset in % of the period */
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} IfxStdIf_Timer_Config;
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/** \addtogroup library_srvsw_stdif_timer
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* \{
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*/
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/** \copydoc IfxStdIf_Timer_GetFrequency
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* \param stdIf Standard interface pointer
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*/
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IFX_INLINE float32 IfxStdIf_Timer_getFrequency(IfxStdIf_Timer *stdIf)
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{
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return stdIf->getFrequency(stdIf->driver);
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}
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/** \copydoc IfxStdIf_Timer_GetPeriod
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* \param stdIf Standard interface pointer
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*/
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IFX_INLINE Ifx_TimerValue IfxStdIf_Timer_getPeriod(IfxStdIf_Timer *stdIf)
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{
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return stdIf->getPeriod(stdIf->driver);
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}
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/** \copydoc IfxStdIf_Timer_GetTrigger
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* \param stdIf Standard interface pointer
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*/
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IFX_INLINE Ifx_TimerValue IfxStdIf_Timer_getTrigger(IfxStdIf_Timer *stdIf)
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{
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return stdIf->getTrigger(stdIf->driver);
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}
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/** \copydoc IfxStdIf_Timer_GetResolution
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* \param stdIf Standard interface pointer
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*/
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IFX_INLINE float32 IfxStdIf_Timer_getResolution(IfxStdIf_Timer *stdIf)
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{
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return stdIf->getResolution(stdIf->driver);
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}
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/** \copydoc IfxStdIf_Timer_SetFrequency
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* \param stdIf Standard interface pointer
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*/
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IFX_INLINE boolean IfxStdIf_Timer_setFrequency(IfxStdIf_Timer *stdIf, float32 frequency)
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{
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return stdIf->setFrequency(stdIf->driver, frequency);
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}
|
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|
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/** \copydoc IfxStdIf_Timer_UpdateInputFrequency
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* \param stdIf Standard interface pointer
|
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*/
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IFX_INLINE void IfxStdIf_Timer_updateInputFrequency(IfxStdIf_Timer *stdIf)
|
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{
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stdIf->updateInputFrequency(stdIf->driver);
|
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}
|
||||
|
||||
|
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/** \copydoc IfxStdIf_Timer_ApplyUpdate
|
||||
* \param stdIf Standard interface pointer
|
||||
*/
|
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IFX_INLINE void IfxStdIf_Timer_applyUpdate(IfxStdIf_Timer *stdIf)
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{
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stdIf->applyUpdate(stdIf->driver);
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}
|
||||
|
||||
|
||||
/** \copydoc IfxStdIf_Timer_DisableUpdate
|
||||
* \param stdIf Standard interface pointer
|
||||
*/
|
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IFX_INLINE void IfxStdIf_Timer_disableUpdate(IfxStdIf_Timer *stdIf)
|
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{
|
||||
stdIf->disableUpdate(stdIf->driver);
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||||
}
|
||||
|
||||
|
||||
/** \copydoc IfxStdIf_Timer_GetInputFrequency
|
||||
* \param stdIf Standard interface pointer
|
||||
*/
|
||||
IFX_INLINE float32 IfxStdIf_Timer_getInputFrequency(IfxStdIf_Timer *stdIf)
|
||||
{
|
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return stdIf->getInputFrequency(stdIf->driver);
|
||||
}
|
||||
|
||||
|
||||
/** \copydoc IfxStdIf_Timer_Run
|
||||
* \param stdIf Standard interface pointer
|
||||
*/
|
||||
IFX_INLINE void IfxStdIf_Timer_run(IfxStdIf_Timer *stdIf)
|
||||
{
|
||||
stdIf->run(stdIf->driver);
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||||
}
|
||||
|
||||
|
||||
/** \copydoc IfxStdIf_Timer_SetPeriod
|
||||
* \param stdIf Standard interface pointer
|
||||
*/
|
||||
IFX_INLINE boolean IfxStdIf_Timer_setPeriod(IfxStdIf_Timer *stdIf, Ifx_TimerValue period)
|
||||
{
|
||||
return stdIf->setPeriod(stdIf->driver, period);
|
||||
}
|
||||
|
||||
|
||||
/** \copydoc IfxStdIf_Timer_SetSingleMode
|
||||
* \param stdIf Standard interface pointer
|
||||
*/
|
||||
IFX_INLINE void IfxStdIf_Timer_setSingleMode(IfxStdIf_Timer *stdIf, boolean enabled)
|
||||
{
|
||||
stdIf->setSingleMode(stdIf->driver, enabled);
|
||||
}
|
||||
|
||||
|
||||
/** \copydoc IfxStdIf_Timer_SetTrigger
|
||||
* \param stdIf Standard interface pointer
|
||||
*/
|
||||
IFX_INLINE void IfxStdIf_Timer_setTrigger(IfxStdIf_Timer *stdIf, Ifx_TimerValue triggerPoint)
|
||||
{
|
||||
stdIf->setTrigger(stdIf->driver, triggerPoint);
|
||||
}
|
||||
|
||||
|
||||
/** \copydoc IfxStdIf_Timer_Stop
|
||||
* \param stdIf Standard interface pointer
|
||||
*/
|
||||
IFX_INLINE void IfxStdIf_Timer_stop(IfxStdIf_Timer *stdIf)
|
||||
{
|
||||
stdIf->stop(stdIf->driver);
|
||||
}
|
||||
|
||||
|
||||
/** \copydoc IfxStdIf_Timer_AckTimerIrq
|
||||
* \param stdIf Standard interface pointer
|
||||
*/
|
||||
IFX_INLINE boolean IfxStdIf_Timer_ackTimerIrq(IfxStdIf_Timer *stdIf)
|
||||
{
|
||||
return stdIf->ackTimerIrq(stdIf->driver);
|
||||
}
|
||||
|
||||
|
||||
/** \copydoc IfxStdIf_Timer_AckTriggerIrq
|
||||
* \param stdIf Standard interface pointer
|
||||
*/
|
||||
IFX_INLINE boolean IfxStdIf_Timer_ackTriggerIrq(IfxStdIf_Timer *stdIf)
|
||||
{
|
||||
return stdIf->ackTriggerIrq(stdIf->driver);
|
||||
}
|
||||
|
||||
|
||||
/** \brief Convert timer ticks to seconds
|
||||
* \param clockFreq Timer clock frequency
|
||||
* \param ticks time value in ticks to be converted
|
||||
* \return Return the converted time in s
|
||||
*/
|
||||
IFX_INLINE float32 IfxStdIf_Timer_tickToS(float32 clockFreq, Ifx_TimerValue ticks)
|
||||
{
|
||||
return ticks / clockFreq;
|
||||
}
|
||||
|
||||
|
||||
/** \brief Convert seconds to timer ticks
|
||||
* \param clockFreq Timer clock frequency
|
||||
* \param seconds time value in seconds to be converted
|
||||
* \return Return the converted time in timer ticks
|
||||
*/
|
||||
IFX_INLINE Ifx_TimerValue IfxStdIf_Timer_sToTick(float32 clockFreq, float32 seconds)
|
||||
{
|
||||
return seconds * clockFreq;
|
||||
}
|
||||
|
||||
|
||||
/** \brief Return the timer period in second
|
||||
* \param stdIf Pointer to the interface driver object
|
||||
*/
|
||||
IFX_INLINE float32 IfxStdIf_Timer_getPeriodSecond(IfxStdIf_Timer *stdIf)
|
||||
{
|
||||
return IfxStdIf_Timer_tickToS(IfxStdIf_Timer_getInputFrequency(stdIf), stdIf->getPeriod(stdIf->driver));
|
||||
}
|
||||
|
||||
|
||||
/** \} */
|
||||
|
||||
/** Initialize the configuration structure to default
|
||||
*
|
||||
* \param config Timer configuration. This parameter is initialised by the function
|
||||
*
|
||||
*/
|
||||
IFX_EXTERN void IfxStdIf_Timer_initConfig(IfxStdIf_Timer_Config *config);
|
||||
|
||||
/** Initialize the stdIf so that all call back function default to no operation
|
||||
*
|
||||
* \param stdIf Pointer to the interface driver object
|
||||
* \param driver Interface driver object
|
||||
*
|
||||
*/
|
||||
IFX_EXTERN void IfxStdIf_Timer_initStdIf(IfxStdIf_Timer *stdIf, IfxStdIf_InterfaceDriver driver);
|
||||
|
||||
#endif /* IFXSTDIF_TIMER_H */
|
||||
Reference in new issue
Block a user