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2.13款优秀的视手机视频AI视频生成制作剪辑工具软件推荐
3.播放视频出现classpnp.sys蓝屏怎么解决_如何解决播放视频出现classpnp.sys蓝屏
4.《STM32MP1 M4裸机CubeIDE开发指南》第二十三章 SysTick高精度延时实验
5.掌握这些AI生成视频工具,你的频分电商流量焦虑会少一半
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全套实验源码+手册+视频下载地址: /docs/boards/arm-linux/zdyzmp.html 正点原子官方B站: space.bilibili.com/... STMMP技术交流QQ群: 第二十三章 SysTick高精度延时实验 本章介绍如何使用SysTick实现微秒(us)级别的延时。.1 SysTick简介
SysTick是享源Cortex-M内核的一部分,用于提供操作系统时基,分享支持周期性中断。视手机视频在不使用操作系统时,频分市盈率ttm指标源码可作为简单的享源定时器使用。SysTick时钟来自MCU系统时钟,分享经过分频后得到其工作频率,视手机视频最大值为MHz。频分.1.1 SysTick寄存器
SysTick寄存器定义在core_cm4.h文件中,享源包括:STK_CTRL:控制寄存器,分享免税产品溯源码包含重装载值(RELOAD),视手机视频用于配置计数器的频分初始值。
STK_VAL:当前值寄存器,享源显示计数器当前值。
STK_CALIB:校准寄存器,指示是否有外部参考时钟。
.1.2 SysTick的HAL库驱动
SysTick的HAL库驱动在第七章中详细分析。关键API函数包括:HAL_InitTick:初始化配置重装载寄存器值。
HAL_GetTickPrio:获取中断优先级。
HAL_SetTickFreq:重新配置中断频率。
.2 HAL_Delay函数
在默认配置下,网页源码下载免费SysTick的中断周期为1ms。配置系统时钟后,周期保持不变。使用HAL_Delay实现毫秒级延时。.2.1 SysTick分频值为1
分频值为1时,中断周期为1ms。配置系统时钟后,周期仍保持不变,使用HAL_Delay实现毫秒级延时。.2.1 SysTick分频值为8
分频值为8时,中断周期为8ms。delta指标公式源码配置系统时钟后,周期为MHz,执行HAL_Delay()后,延时时间变为ms。.3 SysTick高精度延时实验
实验配置使用LED0闪烁验证效果。配置系统时钟为MHz,SysTick为1分频。.3.1 无操作系统
编写delay_us实现us延时,基于delay_us编写delay_ms实现ms延时。使用时钟摘取法实现。.3.2 有操作系统
UCOSII环境下,出枪指标源码使用OS自带延时函数实现。OS运行时,利用OS延时函数实现延时;OS未运行时,使用delay_us实现。.3.3 编译和测试
实验无操作系统情况下的编译测试,测试PI0引脚波形。设置高电平脉冲为ms,验证结果一致。掌握这些AI生成视频工具,你的电商流量焦虑会少一半
在电商竞争激烈的视觉化时代,视频内容的重要性日益凸显,超过%的在线流量由视频占据。为了吸引受众,企业与创作者以往不得不投入大量时间和金钱制作视频。然而,AI正革新这一领域,让视频生成变得前所未有的便捷。以下是市面上六款顶级的AI视频生成工具,帮助你轻松提升电商流量。 1. Synthesys作为商业视频制作的领头羊,Synthesys通过文本到画外音技术,让企业能在几分钟内创建解说视频和教程。通过其AI技术,只需输入脚本,选择头像和语言,就能生成专业视频,支持种头像和种语音风格。
2. SynthesiaSynthesia是一个AI视频生成平台,提供了多种语言和丰富的模板,连知名企业如谷歌和耐克也使用。选择AI头像,点击按钮即可生成定制视频,无论是预设头像还是自定义,都易于操作。
3. PictoryPictory以其无须视频编辑经验的特性脱颖而出。用户只需输入脚本,Pictory能将博客文章转化为视频,适合博主和企业提高内容质量和受众参与度。
4. Elai.ioElai.io由全球AI专家开发,能从文章链接快速生成专业视频。只需几步操作,用户即可创建无需演员的培训视频,或改进营销产品视频,支持多种语言和头像选择。
5. InVideoInVideo以易用性见长,无需视频编辑基础,可从文本生成高质量视频。它适合制作宣传视频、演示和视频推荐,且一键分享到各大社交媒体。
6. Synths VideoSynths Video提供快速将博客文章转换为视频的功能,多个头像选项让视频更具吸引力,完全自动化过程减少了编辑工作。
7. Veed.ioVEED是一款易用的AI视频生成工具,新手也能轻松创建独特视频,支持音乐自选和主题定制,还有自动转录功能,适合内容创作者广泛使用。
利用这些AI视频生成工具,商家和创作者可以显著减少制作视频的烦恼,提高内容效率,从而有效缓解电商流量焦虑。