kopia lustrzana https://github.com/gcallipo/RadioDSP-DNR-Stm32f407
167 wiersze
4.3 KiB
C
167 wiersze
4.3 KiB
C
/**
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* @author Tilen Majerle
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* @email tilen@majerle.eu
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* @website http://stm32f4-discovery.com
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* @link
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* @version v1.0
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* @ide Keil uVision
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* @license GNU GPL v3
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* @brief Timer properties for all STM32F4xx timers
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*
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@verbatim
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----------------------------------------------------------------------
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Copyright (C) Tilen Majerle, 2015
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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----------------------------------------------------------------------
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@endverbatim
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*/
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#ifndef TM_TIMER_PROPERTIES_H
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#define TM_TIMER_PROPERTIES_H 110
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/* C++ detection */
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#ifdef __cplusplus
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extern "C" {
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#endif
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/**
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* @addtogroup TM_STM32F4xx_Libraries
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* @{
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*/
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/**
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* @defgroup TM_TIMER_PROPERTIES
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* @brief Timer properties for all STM32F4xx timers
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* @{
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*
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* This library allows you to enable/disable clock for specific timer,
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* and returns you settings for timer, ex. max period, max prescaler and timer's clock
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*
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* Also, it is used in every library where timers are used, such as PWM, PWMIN and so on.
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*
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* \par Changelog
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*
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@verbatim
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Version 1.1
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- March 15, 2015
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- Removed unnecessary function calls, used register access
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Version 1.0
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- First release
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@endverbatim
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*
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* \par Dependencies
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*
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@verbatim
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- STM32F4xx
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- STM32F4xx RCC
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- STM32F4xx TIM
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- defines.h
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@endverbatim
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*/
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#include "stm32f4xx.h"
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#include "stm32f4xx_rcc.h"
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#include "stm32f4xx_tim.h"
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#include "defines.h"
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/**
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* @defgroup TM_TIMER_PROPERTIES_Typedefs
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* @brief Library Typedefs
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* @{
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*/
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/**
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* @brief Timer result enumeration
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*/
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typedef enum {
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TM_TIMER_PROPERTIES_Result_Ok, /*!< Everything OK */
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TM_TIMER_PROPERTIES_Result_Error, /*!< An error occurred */
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TM_TIMER_PROPERTIES_Result_TimerNotValid, /*!< Timer is not valid */
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TM_TIMER_PROPERTIES_Result_FrequencyTooHigh, /*!< Frequency for timer is too high */
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TM_TIMER_PROPERTIES_Result_FrequencyTooLow /*!< Frequency for timer is too low */
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} TM_TIMER_PROPERTIES_Result_t;
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/**
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* @brief Structure for timer data
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*/
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typedef struct {
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uint32_t TimerFrequency; /*!< timer's working frequency */
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uint32_t MaxPeriod; /*!< Max timer period */
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uint32_t MaxPrescaler; /*!< Max timer prescaler */
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uint32_t Period; /*!< Timer's working period */
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uint32_t Prescaler; /*!< Timer's working prescaler */
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uint32_t Frequency; /*!< Timer's reload frequency */
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} TM_TIMER_PROPERTIES_t;
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/**
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* @}
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*/
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/**
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* @defgroup TM_TIMER_PROPERTIES_Functions
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* @brief Library Functions
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* @{
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*/
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/**
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* @brief Gets timer properties
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* @param *TIMx: Timer used to get settings for
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* @param *Timer_Data: Pointer to @ref TM_TIMER_PROPERTIES_t structure to store data to
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* @retval Member of @ref TM_TIMER_PROPERTIES_Result_t
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*/
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TM_TIMER_PROPERTIES_Result_t TM_TIMER_PROPERTIES_GetTimerProperties(TIM_TypeDef* TIMx, TM_TIMER_PROPERTIES_t* Timer_Data);
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/**
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* @brief Generates period and prescaler for given timer frequency
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* @param *Timer_Data: Pointer to @ref TM_TIMER_PROPERTIES_t structure
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* @param frequency: Frequency used to generate period and prescaler values
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* @retval Member of @ref TM_TIMER_PROPERTIES_Result_t
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*/
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TM_TIMER_PROPERTIES_Result_t TM_TIMER_PROPERTIES_GenerateDataForWorkingFrequency(TM_TIMER_PROPERTIES_t* Timer_Data, double frequency);
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/**
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* @brief Enables timer clock
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* @param *TIMx: Timer used to enable clock for it
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* @retval Member of @ref TM_TIMER_PROPERTIES_Result_t
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*/
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TM_TIMER_PROPERTIES_Result_t TM_TIMER_PROPERTIES_EnableClock(TIM_TypeDef* TIMx);
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/**
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* @brief Disables timer clock
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* @param *TIMx: Timer used to disable clock for it
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* @retval Member of @ref TM_TIMER_PROPERTIES_Result_t
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*/
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TM_TIMER_PROPERTIES_Result_t TM_TIMER_PROPERTIES_DisableClock(TIM_TypeDef* TIMx);
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/**
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* @}
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*/
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/**
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* @}
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*/
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/**
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* @}
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*/
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/* C++ detection */
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#ifdef __cplusplus
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}
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#endif
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#endif
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