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99 lines
2.6 KiB
C
99 lines
2.6 KiB
C
/*
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* Copyright (c) 2022 OpenLuat & AirM2M
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy of
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* this software and associated documentation files (the "Software"), to deal in
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* the Software without restriction, including without limitation the rights to
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* use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
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* the Software, and to permit persons to whom the Software is furnished to do so,
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* subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in all
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* copies or substantial portions of the Software.
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*
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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, FITNESS
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* FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
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* COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
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* IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*/
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#ifndef LUAT_MCU_H
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#define LUAT_MCU_H
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#include "luat_base.h"
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/**
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* @defgroup luatos_mcu MCU特殊操作
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* @{
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*/
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/**
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* @brief 设置主频
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*
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* @param mhz 时钟频率,单位MHz, 仅Air101/Air103支持, EC618不支持
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* @return int <= 0错误 >0实际传出的大小
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*/
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int luat_mcu_set_clk(size_t mhz);
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/**
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* @brief 获取主频
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*
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* @return int 时钟频率,单位MHz
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*/
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int luat_mcu_get_clk(void);
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/**
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* @brief 获取唯一id
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*
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* @param t id的长度,若失败设置为0
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* @return char* 唯一id, 不需要释放!!
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*/
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const char* luat_mcu_unique_id(size_t* t);
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/**
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* @brief 获取系统tick计数
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*
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* @return long tick计数值
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*/
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long luat_mcu_ticks(void);
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/**
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* @brief 获取系统tick频率
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*
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* @return long tick频率,通常为1000, 即每个tick占1ms, 频率1000hz
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*/
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uint32_t luat_mcu_hz(void);
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/**
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* @brief 获取tick计数,64位的
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*
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* @return uint64_t tick计数
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*/
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uint64_t luat_mcu_tick64(void);
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/**
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* @brief 对应tick64的频率数据
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*
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* @return int 每us对应的tick数量
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*/
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int luat_mcu_us_period(void);
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/**
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* @brief 开机至今的毫秒数
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*
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* @return uint64_t 毫秒数,休眠后会继续累计,但精度比其他tick要低
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*/
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uint64_t luat_mcu_tick64_ms(void);
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/**
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* @brief 设置时钟源(仅Air105支持)
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*
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* @param source_main 主时钟源
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* @param source_32k 32k时钟源
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* @param delay 设置之后延时多久
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*/
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void luat_mcu_set_clk_source(uint8_t source_main, uint8_t source_32k, uint32_t delay);
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#endif
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