09 2020 档案

开漏Open Drain 和 推挽Push Pull 输出 (RT)
摘要：开漏Open Drain（开集Open Collector） 开漏输出：输出端相当于三极管的集电极，要得到高电平状态需要上拉电阻才行，适合于做电流型的驱动，其吸收电流的能力相对强(一般20mA以内)。栅极输入 0 时，NMOS 的漏极和源极导通，输出0。 栅极输入 1 时，NMOS 不导通，漏极高阻 阅读全文

posted @ 2020-09-22 17:14 荷树栋 阅读(5752) 评论(0) 推荐(0)

Using vs code to debug ARM-CortexM
摘要：This document describes how to use vs code to debug arm-cortexM3 (STM32F207) in my project. Environement: VS code VS code plug-in : Cortex-Debug CMAKE 阅读全文

posted @ 2020-09-22 10:43 荷树栋 阅读(400) 评论(0) 推荐(0)

IoT Concept
摘要：IaaS: infrastructure as a service PaaS : platform as a service SaaS : software as a service 阅读全文

posted @ 2020-09-08 14:36 荷树栋 阅读(133) 评论(0) 推荐(0)

Git in ADS
摘要：Here, I illustruate the activiities while I installed a ADS server, and move a project from another company official respository. The ADS is installed 阅读全文

posted @ 2020-09-04 17:14 荷树栋 阅读(165) 评论(0) 推荐(0)

CMAKE for ARM Issues
摘要：#ARM GCC # Target is an embedded system set(CMAKE_SYSTEM_NAME Generic) set(CMAKE_SYSTEM_PROCESSOR ARM) set(TOOLCHAIN_PREFIX arm-none-eabi-) if(MINGW O 阅读全文

posted @ 2020-09-03 16:06 荷树栋 阅读(437) 评论(0) 推荐(0)

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