git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@5362 35acf78f-673a-0410-8e92-d51de3d6d3f4
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acirillo87
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/*
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* Licensed under ST Liberty SW License Agreement V2, (the "License");
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* You may not use this file except in compliance with the License.
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* You may obtain a copy of the License at:
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*
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* http://www.st.com/software_license_agreement_liberty_v2
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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/**
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* @file
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* @brief SPC5xx low level icu driver header.
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*
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* @addtogroup ICU
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* @{
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*/
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#ifndef _ICU_LLD_H_
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#define _ICU_LLD_H_
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#if HAL_USE_ICU || defined(__DOXYGEN__)
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/*===========================================================================*/
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/* Driver constants. */
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/*===========================================================================*/
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/**
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* @name Mode options
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* @{
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*/
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/**
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* @brief Skip first capture cycle.
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* @details If set to @p TRUE the first capture cycle is skipped.
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* @note The default is @p FALSE.
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*/
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#if !defined(ICU_JUMP_FIRST_CAPTURE) || defined(__DOXYGEN__)
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#define ICU_SKIP_FIRST_CAPTURE FALSE
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#endif
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/*===========================================================================*/
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/* Driver pre-compile time settings. */
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/*===========================================================================*/
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/**
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* @name Configuration options
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* @{
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*/
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/**
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* @brief ICUD0 driver enable switch.
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* @details If set to @p TRUE the support for ICUD0 is included.
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* @note The default is @p TRUE.
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*/
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#if !defined(SPC5_ICU_USE_SMOD0) || defined(__DOXYGEN__)
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#define SPC5_ICU_USE_SMOD0 TRUE
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#endif
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/**
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* @brief ICUD1 driver enable switch.
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* @details If set to @p TRUE the support for ICUD1 is included.
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* @note The default is @p TRUE.
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*/
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#if !defined(SPC5_ICU_USE_SMOD1) || defined(__DOXYGEN__)
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#define SPC5_ICU_USE_SMOD1 TRUE
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#endif
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/**
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* @brief ICUD2 driver enable switch.
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* @details If set to @p TRUE the support for ICUD2 is included.
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* @note The default is @p TRUE.
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*/
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#if !defined(SPC5_ICU_USE_SMOD2) || defined(__DOXYGEN__)
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#define SPC5_ICU_USE_SMOD2 TRUE
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#endif
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/**
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* @brief ICUD3 driver enable switch.
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* @details If set to @p TRUE the support for ICUD3 is included.
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* @note The default is @p TRUE.
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*/
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#if !defined(SPC5_ICU_USE_SMOD3) || defined(__DOXYGEN__)
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#define SPC5_ICU_USE_SMOD3 TRUE
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#endif
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/**
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* @brief ICUD4 driver enable switch.
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* @details If set to @p TRUE the support for ICUD4 is included.
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* @note The default is @p TRUE.
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*/
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#if !defined(SPC5_ICU_USE_SMOD4) || defined(__DOXYGEN__)
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#define SPC5_ICU_USE_SMOD4 TRUE
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#endif
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/**
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* @brief ICUD5 driver enable switch.
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* @details If set to @p TRUE the support for ICUD5 is included.
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* @note The default is @p TRUE.
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*/
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#if !defined(SPC5_ICU_USE_SMOD5) || defined(__DOXYGEN__)
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#define SPC5_ICU_USE_SMOD5 TRUE
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#endif
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/**
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* @brief ICUD6 driver enable switch.
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* @details If set to @p TRUE the support for ICUD6 is included.
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* @note The default is @p TRUE.
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*/
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#if !defined(SPC5_ICU_USE_SMOD6) || defined(__DOXYGEN__)
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#define SPC5_ICU_USE_SMOD6 TRUE
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#endif
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/**
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* @brief ICUD7 driver enable switch.
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* @details If set to @p TRUE the support for ICUD7 is included.
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* @note The default is @p TRUE.
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*/
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#if !defined(SPC5_ICU_USE_SMOD7) || defined(__DOXYGEN__)
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#define SPC5_ICU_USE_SMOD7 TRUE
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#endif
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/**
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* @brief ICUD8 driver enable switch.
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* @details If set to @p TRUE the support for ICUD8 is included.
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* @note The default is @p TRUE.
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*/
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#if !defined(SPC5_ICU_USE_SMOD8) || defined(__DOXYGEN__)
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#define SPC5_ICU_USE_SMOD8 TRUE
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#endif
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/**
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* @brief ICUD9 driver enable switch.
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* @details If set to @p TRUE the support for ICUD9 is included.
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* @note The default is @p TRUE.
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*/
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#if !defined(SPC5_ICU_USE_SMOD9) || defined(__DOXYGEN__)
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#define SPC5_ICU_USE_SMOD9 TRUE
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#endif
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/**
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* @brief ICUD10 driver enable switch.
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* @details If set to @p TRUE the support for ICUD10 is included.
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* @note The default is @p TRUE.
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*/
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#if !defined(SPC5_ICU_USE_SMOD10) || defined(__DOXYGEN__)
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#define SPC5_ICU_USE_SMOD10 TRUE
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#endif
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/**
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* @brief ICUD11 driver enable switch.
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* @details If set to @p TRUE the support for ICUD11 is included.
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* @note The default is @p TRUE.
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*/
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#if !defined(SPC5_ICU_USE_SMOD11) || defined(__DOXYGEN__)
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#define SPC5_ICU_USE_SMOD11 TRUE
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#endif
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/**
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* @brief eTimer0 interrupt priority level setting.
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*/
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#if !defined(SPC5_ICU_ETIMER0_PRIORITY) || defined(__DOXYGEN__)
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#define SPC5_ICU_ETIMER0_PRIORITY 7
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#endif
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/**
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* @brief eTimer1 interrupt priority level setting.
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*/
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#if !defined(SPC5_ICU_ETIMER1_PRIORITY) || defined(__DOXYGEN__)
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#define SPC5_ICU_ETIMER1_PRIORITY 7
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#endif
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/**
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* @brief ICUD0 interrupt priority level setting.
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*/
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#if !defined(SPC5_ICU_SMOD0_IRQ_PRIORITY) || defined(__DOXYGEN__)
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#define SPC5_ICU_SMOD0_IRQ_PRIORITY 7
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#endif
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/**
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* @brief ICUD1 interrupt priority level setting.
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*/
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#if !defined(SPC5_ICU_SMOD1_IRQ_PRIORITY) || defined(__DOXYGEN__)
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#define SPC5_ICU_SMOD1_IRQ_PRIORITY 7
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#endif
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/**
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* @brief ICUD2 interrupt priority level setting.
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*/
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#if !defined(SPC5_ICU_SMOD2_IRQ_PRIORITY) || defined(__DOXYGEN__)
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#define SPC5_ICU_SMOD2_IRQ_PRIORITY 7
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#endif
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/**
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* @brief ICUD3 interrupt priority level setting.
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*/
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#if !defined(SPC5_ICU_SMOD3_IRQ_PRIORITY) || defined(__DOXYGEN__)
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#define SPC5_ICU_SMOD3_IRQ_PRIORITY 7
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#endif
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/**
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* @brief ICUD4 interrupt priority level setting.
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*/
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#if !defined(SPC5_ICU_SMOD4_IRQ_PRIORITY) || defined(__DOXYGEN__)
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#define SPC5_ICU_SMOD4_IRQ_PRIORITY 7
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#endif
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/**
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* @brief ICUD5 interrupt priority level setting.
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*/
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#if !defined(SPC5_ICU_SMOD5_IRQ_PRIORITY) || defined(__DOXYGEN__)
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#define SPC5_ICU_SMOD5_IRQ_PRIORITY 7
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#endif
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/**
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* @brief ICUD6 interrupt priority level setting.
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*/
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#if !defined(SPC5_ICU_SMOD6_IRQ_PRIORITY) || defined(__DOXYGEN__)
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#define SPC5_ICU_SMOD5_IRQ_PRIORITY 7
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#endif
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/**
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* @brief ICUD7 interrupt priority level setting.
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*/
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#if !defined(SPC5_ICU_SMOD7_IRQ_PRIORITY) || defined(__DOXYGEN__)
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#define SPC5_ICU_SMOD5_IRQ_PRIORITY 7
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#endif
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/**
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* @brief ICUD8 interrupt priority level setting.
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*/
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#if !defined(SPC5_ICU_SMOD8_IRQ_PRIORITY) || defined(__DOXYGEN__)
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#define SPC5_ICU_SMOD5_IRQ_PRIORITY 7
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#endif
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/**
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* @brief ICUD9 interrupt priority level setting.
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*/
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#if !defined(SPC5_ICU_SMOD9_IRQ_PRIORITY) || defined(__DOXYGEN__)
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#define SPC5_ICU_SMOD5_IRQ_PRIORITY 7
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#endif
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/**
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* @brief ICUD10 interrupt priority level setting.
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*/
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#if !defined(SPC5_ICU_SMOD10_IRQ_PRIORITY) || defined(__DOXYGEN__)
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#define SPC5_ICU_SMOD5_IRQ_PRIORITY 7
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#endif
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/**
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* @brief ICUD11 interrupt priority level setting.
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*/
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#if !defined(SPC5_ICU_SMOD11_IRQ_PRIORITY) || defined(__DOXYGEN__)
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#define SPC5_ICU_SMOD5_IRQ_PRIORITY 7
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#endif
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/**
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* @brief eTIMER0 peripheral configuration when started.
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* @note The default configuration is 1 (always run) in run mode and
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* 2 (only halt) in low power mode. The defaults of the run modes
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* are defined in @p hal_lld.h.
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*/
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#if !defined(SPC5_ICU_ETIMER0_START_PCTL) || defined(__DOXYGEN__)
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#define SPC5_ICU_ETIMER0_START_PCTL (SPC5_ME_PCTL_RUN(1) | \
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SPC5_ME_PCTL_LP(2))
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#endif
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/**
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* @brief eTIMER0 peripheral configuration when stopped.
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* @note The default configuration is 0 (never run) in run mode and
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* 0 (never run) in low power mode. The defaults of the run modes
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* are defined in @p hal_lld.h.
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*/
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#if !defined(SPC5_ICU_ETIMER0_STOP_PCTL) || defined(__DOXYGEN__)
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#define SPC5_ICU_ETIMER0_STOP_PCTL (SPC5_ME_PCTL_RUN(0) | \
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SPC5_ME_PCTL_LP(0))
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#endif
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/**
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* @brief eTIMER1 peripheral configuration when started.
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* @note The default configuration is 1 (always run) in run mode and
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* 2 (only halt) in low power mode. The defaults of the run modes
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* are defined in @p hal_lld.h.
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*/
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#if !defined(SPC5_ICU_ETIMER1_START_PCTL) || defined(__DOXYGEN__)
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#define SPC5_ICU_ETIMER1_START_PCTL (SPC5_ME_PCTL_RUN(1) | \
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SPC5_ME_PCTL_LP(2))
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#endif
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/**
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* @brief eTIMER1 peripheral configuration when stopped.
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* @note The default configuration is 0 (never run) in run mode and
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* 0 (never run) in low power mode. The defaults of the run modes
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* are defined in @p hal_lld.h.
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*/
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#if !defined(SPC5_ICU_ETIMER1_STOP_PCTL) || defined(__DOXYGEN__)
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#define SPC5_ICU_ETIMER1_STOP_PCTL (SPC5_ME_PCTL_RUN(0) | \
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SPC5_ME_PCTL_LP(0))
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#endif
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/** @} */
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/*===========================================================================*/
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/* Derived constants and error checks. */
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/*===========================================================================*/
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#if (SPC5_ICU_USE_SMOD0 || SPC5_ICU_USE_SMOD1 || \
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SPC5_ICU_USE_SMOD2 || SPC5_ICU_USE_SMOD3 || \
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SPC5_ICU_USE_SMOD4 || SPC5_ICU_USE_SMOD5) && !SPC5_HAS_ETIMER0
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#error "ETIMER0 not present in the selected device"
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#endif
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#if (SPC5_ICU_USE_SMOD6 || SPC5_ICU_USE_SMOD7 || \
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SPC5_ICU_USE_SMOD8 || SPC5_ICU_USE_SMOD9 || \
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SPC5_ICU_USE_SMOD10 || SPC5_ICU_USE_SMOD11) && !SPC5_HAS_ETIMER1
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#error "ETIMER1 not present in the selected device"
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#endif
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#if (!SPC5_ICU_USE_SMOD0 && !SPC5_ICU_USE_SMOD1 && \
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!SPC5_ICU_USE_SMOD2 && !SPC5_ICU_USE_SMOD3 && \
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!SPC5_ICU_USE_SMOD4 && !SPC5_ICU_USE_SMOD5) && SPC5_ICU_USE_ETIMER0
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#error "ICU driver activated but no SMOD peripheral assigned"
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#endif
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#if (!SPC5_ICU_USE_SMOD6 && !SPC5_ICU_USE_SMOD7 && \
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!SPC5_ICU_USE_SMOD8 && !SPC5_ICU_USE_SMOD9 && \
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!SPC5_ICU_USE_SMOD10 && !SPC5_ICU_USE_SMOD11) && SPC5_ICU_USE_ETIMER1
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#error "ICU driver activated but no SMOD peripheral assigned"
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#endif
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/*===========================================================================*/
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/* Driver data structures and types. */
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/*===========================================================================*/
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/**
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* @brief ICU driver mode.
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*/
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typedef enum {
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ICU_INPUT_ACTIVE_HIGH = 0, /**< Trigger on rising edge. */
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ICU_INPUT_ACTIVE_LOW = 1, /**< Trigger on falling edge. */
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}icumode_t;
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/**
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* @brief ICU frequency type.
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*/
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typedef uint32_t icufreq_t;
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/**
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* @brief ICU channel.
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*/
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typedef enum {
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ICU_CHANNEL_1 = 0, /**< Use SMODxCH1. */
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ICU_CHANNEL_2 = 1, /**< Use SMODxCH2. */
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ICU_CHANNEL_3 = 2, /**< Use SMODxCH3. */
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ICU_CHANNEL_4 = 3, /**< Use SMODxCH4. */
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ICU_CHANNEL_5 = 4, /**< Use SMODxCH5. */
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ICU_CHANNEL_6 = 5, /**< Use SMODxCH6. */
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}icuchannel_t;
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/**
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* @brief ICU counter type.
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*/
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typedef uint16_t icucnt_t;
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/**
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* @brief Driver configuration structure.
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* @note It could be empty on some architectures.
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*/
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typedef struct {
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/**
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* @brief Driver mode.
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*/
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icumode_t mode;
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/**
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* @brief Timer clock in Hz.
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* @note The low level can use assertions in order to catch invalid
|
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* frequency specifications.
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*/
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icufreq_t frequency;
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/**
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* @brief Callback for pulse width measurement.
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*/
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icucallback_t width_cb;
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/**
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* @brief Callback for cycle period measurement.
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*/
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icucallback_t period_cb;
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/**
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* @brief Callback for timer overflow.
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*/
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icucallback_t overflow_cb;
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/* End of the mandatory fields.*/
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/**
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* @brief Timer input channel to be used.
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* @note Only inputs TIMx 1 and 2 are supported.
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*/
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icuchannel_t channel;
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}ICUConfig;
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/**
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* @brief Structure representing an ICU driver.
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*/
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struct ICUDriver {
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/**
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* @brief Driver state.
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*/
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icustate_t state;
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/**
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* @brief Current configuration data.
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*/
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const ICUConfig *config;
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/**
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* @brief Pointer to the CAN registers.
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*/
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#if defined(ICU_DRIVER_EXT_FIELDS)
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ICU_DRIVER_EXT_FIELDS
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#endif
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/* End of the mandatory fields.*/
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/**
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* @brief Timer base clock.
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*/
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uint32_t clock;
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/**
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* @brief Pointer to the eTimerx registers block.
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*/
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volatile struct ETIMER_tag *etimerp;
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/**
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* @brief CCR register used for width capture.
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*/
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volatile vuint16_t *wccrp;
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/**
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* @brief CCR register used for period capture.
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*/
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volatile vuint16_t *pccrp;
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};
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/*===========================================================================*/
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/* Driver macros. */
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/*===========================================================================*/
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/*===========================================================================*/
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/* External declarations. */
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/*===========================================================================*/
|
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#if SPC5_ICU_USE_SMOD0 && !defined(__DOXYGEN__)
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extern ICUDriver ICUD1;
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#endif
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#if SPC5_ICU_USE_SMOD1 && !defined(__DOXYGEN__)
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extern ICUDriver ICUD2;
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#endif
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|
||||
#if SPC5_ICU_USE_SMOD2 && !defined(__DOXYGEN__)
|
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extern ICUDriver ICUD3;
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||||
#endif
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||||
|
||||
#if SPC5_ICU_USE_SMOD3 && !defined(__DOXYGEN__)
|
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extern ICUDriver ICUD4;
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||||
#endif
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||||
|
||||
#if SPC5_ICU_USE_SMOD4 && !defined(__DOXYGEN__)
|
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extern ICUDriver ICUD5;
|
||||
#endif
|
||||
|
||||
#if SPC5_ICU_USE_SMOD5 && !defined(__DOXYGEN__)
|
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extern ICUDriver ICUD6;
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#endif
|
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|
||||
#if SPC5_ICU_USE_SMOD6 && !defined(__DOXYGEN__)
|
||||
extern ICUDriver ICUD7;
|
||||
#endif
|
||||
|
||||
#if SPC5_ICU_USE_SMOD7 && !defined(__DOXYGEN__)
|
||||
extern ICUDriver ICUD8;
|
||||
#endif
|
||||
|
||||
#if SPC5_ICU_USE_SMOD8 && !defined(__DOXYGEN__)
|
||||
extern ICUDriver ICUD9;
|
||||
#endif
|
||||
|
||||
#if SPC5_ICU_USE_SMOD9 && !defined(__DOXYGEN__)
|
||||
extern ICUDriver ICUD10;
|
||||
#endif
|
||||
|
||||
#if SPC5_ICU_USE_SMOD10 && !defined(__DOXYGEN__)
|
||||
extern ICUDriver ICUD11;
|
||||
#endif
|
||||
|
||||
#if SPC5_ICU_USE_SMOD11 && !defined(__DOXYGEN__)
|
||||
extern ICUDriver ICUD12;
|
||||
#endif
|
||||
|
||||
#ifdef __cplusplus
|
||||
extern "C" {
|
||||
#endif
|
||||
void icu_lld_init(void);
|
||||
void icu_lld_start(ICUDriver *icup);
|
||||
void icu_lld_stop(ICUDriver *icup);
|
||||
void icu_lld_enable(ICUDriver *icup);
|
||||
void icu_lld_disable(ICUDriver *icup);
|
||||
icucnt_t icu_lld_get_width(ICUDriver *icup);
|
||||
icucnt_t icu_lld_get_period(ICUDriver *icup);
|
||||
#ifdef __cplusplus
|
||||
}
|
||||
#endif
|
||||
|
||||
#endif /* HAL_USE_ICU */
|
||||
|
||||
#endif /* _ICU_LLD_H_ */
|
||||
|
||||
/** @} */
|
||||
Loading…
Reference in New Issue