RT-Thread社区简报将于下月中总结过去一月RT-Thread社区的技术和生态更新情况，提供公开、透明的社区发展情况，让关心RT-Thread发展的小伙伴们更好的了解RT-Thread，同时我们也期望小伙伴们积极加入RT-Thread的生态建设。
1.代码贡献：
当前统计来自Github master及Gitee代码mergerd PR.
特别感谢：
mysterywolf、cliff-cmc 、eYoung8475、charlown、xlf605401969、 rgw5267、greedyhao、Jedcheen、Hxinrong、iysheng、WKJay、 DUXin-ece、Prry、liuduanfei、0xcccccccccccc、geniusgogo、longtengmcu、cc-caixf、Wang-Huachen、DavidLin1577、bj-wanghz、guohp1128、xingkong121、loogg
等开发者 以及 中科蓝讯、新塘 、东软载波、瑞芯微、华大半导体、芯来对本月代码更新做出的贡献!
Typo: rt_data_queue_peak() in dataqueue #4213 from mysterywolf
[components] dfs: update elmfat to R0.14 patch 1 #3681 from cliff-cmc
[add] a new function to manage internet check. #4212
cleanup操作改由当前线程退出前执行 #4209
[bsp] [stm32][stm32f767-fire-challenger]修改python 空格和tab混用的问题 #4211 from eYoung8475
Use object_find to implement thread_find/device_find #4208
fix rx gpio_mode_set param in drv_usart.c #4024 from charlown
[libcpu] [c28x]add support for c28x mcu hardware fpu #3240 from xlf605401969
fix the bug that rx_notice out of sync when data received after last rt_device_read() is zero #3293 from rgw5267
[update] [PM]更新RT-Thread PM2.0框架 #4097
[bsp] [bluetrum] update link.lds #4206 from greedyhao
add rt_memory_info() for memheap.c #4192 from Jedcheen
[bug] add function rt_tick_get_millisecond() and fix bug #4198 from mysterywolf
add error checks of function rt_event_recv() #4134 from Hxinrong
[bsp] [gd32450z-eval]fixed spi driver bug #4111 from eYoung8475
[BSP] [ STM32 ] update void HAL_Delay(__IO uint32_t Delay) #4135
[Nuvoton] Support NUC980 ARM9 platform. #4202 from OpenNuvoton/nuvoton
Ls2k add sata #4201
[update] 获取timer count时，防止因中断到来导致overflow更新 #4062
[bsp] [project] 更新 stm32 工程，nxp 工程 #4196
[kernel] 对IPC中减减进行摸排，防止出现减出一个很大的数 #4199 from mysterywolf
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