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https://git.intern.spaceteamaachen.de/ALPAKA/sta-core.git
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100 lines
2.5 KiB
C++
100 lines
2.5 KiB
C++
/**
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* @file
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* @brief Helper macros for STM32 clock queries.
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*/
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#ifndef STA_STM32_CLOCKS_HPP
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#define STA_STM32_CLOCKS_HPP
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/**
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* @defgroup stm32 STM32
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* @brief Modules implemented for STM32 MCUs.
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*/
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/**
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* @defgroup stm32BuildConfig Build config
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* @ingroup stm32
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* @brief Build configuration options.
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*/
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/**
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* @defgroup stm32Clocks Clocks
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* @ingroup stm32
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* @brief STM32 Clock queries.
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* @{
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*/
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#include <sta/config.hpp>
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#include <sta/stm32/hal.hpp>
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/**
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* @brief Get function returning PCLK frequency.
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*
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* @param n Index of peripheral clock
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*/
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#define STA_STM32_GET_PCLK_FREQ_FN(n) HAL_RCC_GetPCLK ## n ## Freq
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/**
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* @brief Internal helper for macro expansion.
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*
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* @param n PCLK index
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* @return Function returning PCLK frequency
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*/
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#define _STA_STM32_GET_PCLK_FREQ_FN(n) STA_STM32_GET_PCLK_FREQ_FN(n)
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/**
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* @brief Map instance name to PCLK index.
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*
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* @param type Hardware type
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* @param idx Instance index
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* @return PCLK index
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*/
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#define _STA_STM32_PCLK_IDX_MAP(type, idx) STA_STM32_ ## type ## _ ## idx ## _PCLK_IDX
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// Get HAL handle to PCLK index map macro
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/**
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* @brief Map instance handle to PCLK index.
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*
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* @param handle HAL handle
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* @return PCLK index
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*/
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#define _STA_STM32_HANDLE_PCLK_IDX_MAP(handle) STA_STM32_ ## handle ## _PCLK_IDX
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/**
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* @brief Get function returning frequency of PCLK used by TIM.
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*
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* @param n TIM index
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*/
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#define STA_STM32_GET_TIM_PCLK_FREQ_FN(n) _STA_STM32_GET_PCLK_FREQ_FN(_STA_STM32_PCLK_IDX_MAP(TIM, n))
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/**
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* @brief Get function returning frequency of PCLK used by SPI interface.
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*
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* @param n SPI interface index
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*/
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#define STA_STM32_GET_SPI_PCLK_FREQ_FN(n) _STA_STM32_GET_PCLK_FREQ_FN(_STA_STM32_PCLK_IDX_MAP(SPI, n))
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/**
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* @brief Get function returning frequency of PCLK used by I2C interface.
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*
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* @param n I2C interface index
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*/
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#define STA_STM32_GET_I2C_PCLK_FREQ_FN(n) _STA_STM32_GET_PCLK_FREQ_FN(_STA_STM32_PCLK_IDX_MAP(I2C, n))
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/**
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* @brief Get function returning frequency of PCLK used by USART interface.
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*
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* @param n USART interface index
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*/
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#define STA_STM32_GET_USART_PCLK_FREQ_FN(n) _STA_STM32_GET_PCLK_FREQ_FN(_STA_STM32_PCLK_IDX_MAP(USART, n))
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/**
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* @brief Get function returning frequency of PCLK used by HAL instance.
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*
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* @param handle Instance handle
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*/
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#define STA_STM32_GET_HANDLE_PCLK_FREQ_FN(handle) _STA_STM32_GET_PCLK_FREQ_FN(_STA_STM32_HANDLE_PCLK_IDX_MAP(handle))
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/** @} */
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#endif // STA_STM32_CLOCKS_HPP
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