125 lines
3.5 KiB
C
125 lines
3.5 KiB
C
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/**
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*****************************************************************************************
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* Copyright(c) 2017, Realtek Semiconductor Corporation. All rights reserved.
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************************************************************************************************************
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* @file platform_utils.h
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* @brief utility helper function for user application
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* @author lory_xu
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* @date 2017-02
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* @version v1.0
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***************************************************************************************
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* @attention
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* <h2><center>© COPYRIGHT 2017 Realtek Semiconductor Corporation</center></h2>
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***************************************************************************************
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*/
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#ifndef _PLATFORM_UTILS_H_
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#define _PLATFORM_UTILS_H_
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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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* Header Files
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*============================================================================*/
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#include <stdint.h>
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#include <stdbool.h>
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#include <stddef.h>
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#include "rtl876x.h"
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/** @defgroup PLATFORM_UTILS Platform Utilities
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* @brief Utility helper functions
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* @{
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*/
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#if (PLATFORM_SUPPORT_CLOCK_MANAGER == 1)
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#include "clock_manager.h"
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#else
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#define CLOCK_100MHZ 100000000
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#define CLOCK_90MHZ 90000000
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#define CLOCK_40MHZ 40000000
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#define CLOCK_53MHZ 53333333
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#define CLOCK_80MHZ 80000000
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#define CLOCK_20MHZ 20000000
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#define CLOCK_10MHZ 10000000
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#define CLOCK_5MHZ 5000000
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#define CLOCK_2P5MHZ 2500000
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#define CLOCK_1P25MHZ 1250000
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#define CLOCK_625KHZ 625000
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#endif
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/*============================================================================*
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* Functions
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*============================================================================*/
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/** @defgroup PLATFORM_UTILS_Exported_Functions Platform Utilities Exported Functions
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* @brief
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* @{
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*/
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/**
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* @brief Generate random number given max number allowed
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* @param max to specify max number that allowed
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* @return random number
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*/
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extern uint32_t platform_random(uint32_t max);
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#if defined ( __CC_ARM )
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/**
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* @brief Busy delay for a specified number of milliseconds.
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* @param[in] t The number of milliseconds to delay.
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* @return none
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*/
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extern volatile void (*platform_delay_ms)(uint32_t t);
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/**
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* @brief Busy delay for a specified number of microseconds.
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* @param[in] t The number of microseconds to delay.
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* @return none
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*/
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extern volatile void (*platform_delay_us)(uint32_t t);
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#elif defined (__ARMCC_VERSION) && (__ARMCC_VERSION >= 6010050) || defined (__GNUC__)
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/**
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* @brief Busy delay for a specified number of milliseconds.
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* @param[in] t The number of milliseconds to delay.
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* @return none
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*/
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extern void (*platform_delay_ms)(uint32_t t);
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/**
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* @brief Busy delay for a specified number of microseconds.
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* @param[in] t The number of microseconds to delay.
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* @return none
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*/
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extern void (*platform_delay_us)(uint32_t t);
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#endif
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/**
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* @brief Get the vendor timer tick
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* @param none
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* @return none
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* @note Features of the vendor timer:
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* (1) clock rate is 40M
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* (2) width is 26 bits (max 0x3FFFFFF)
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* (3) tick counter is incremental
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*
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*/
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static inline uint32_t platform_vendor_tick(void)
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{
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return HAL_READ32(VENDOR_REG_BASE, 0x30);
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}
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/** @} */ /* End of group PLATFORM_UTILS_Exported_Functions */
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/** @} */ /* End of group PLATFORM_UTILS */
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#ifdef __cplusplus
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}
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#endif
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#endif
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