{"error":{"root_cause":[{"type":"query_shard_exception","reason":"failed to create query: {\n \"regexp\" : {\n \"keyword\" : {\n \"value\" : \".*USB System Architecture (USB 2.*\",\n \"flags_value\" : 65535,\n \"max_determinized_states\" : 10000,\n \"boost\" : 1.0\n }\n }\n}","index_uuid":"SON-ziQURzKK3JljPlVlCQ","index":"recommend_keyword_search_v1"}],"type":"search_phase_execution_exception","reason":"all shards failed","phase":"query","grouped":true,"failed_shards":[{"shard":0,"index":"recommend_keyword_search_v1","node":"c8Ry91qkQA6igO07LZRl5w","reason":{"type":"query_shard_exception","reason":"failed to create query: {\n \"regexp\" : {\n \"keyword\" : {\n \"value\" : \".*USB System Architecture (USB 2.*\",\n \"flags_value\" : 65535,\n \"max_determinized_states\" : 10000,\n \"boost\" : 1.0\n }\n }\n}","index_uuid":"SON-ziQURzKK3JljPlVlCQ","index":"recommend_keyword_search_v1","caused_by":{"type":"illegal_argument_exception","reason":"expected ')' at position 34"}}}]},"status":400}
`国外PCIE的书籍《pci express system architecture》写的很不错,受益匪浅,分享给大家是200页的精简版本,完整版的也有,不过太多不值得看,精华的200页不错`
2017-06-06 13:18
) API - Include plugin system [* ]USB sound devices ---> ALSA for SoC audio support ---> 配置好
2016-01-18 14:18
for learning about USB architecture or the various protocols used in USB communication. After readingthis
2009-12-22 11:06
有人试过透过file system将USB1.1的档案复制到SD卡成功的吗?
2023-08-31 08:32
在bilibili看到了esp32s2的usb读取usb相机画面的视频,我们现在有个项目,想这么做。但是usb这块要怎么整没什么头绪,是
2023-02-20 08:45
概述USB2XXX主要实现USB总线转其他总线的功能,同时也会实现嵌入式设计中常用的一些功能,比如自定义波形输出,脉冲计数,总线分析等。USB2XXX还具备固件升级功能,用户可以通过我们提供的软件
2016-11-17 14:25
= USB_OTG2_IRQn; /* Clear pending IRQ, set priority, and enable IRQ. */ NVIC_ClearPendingIRQ(irqNumber
2023-05-12 06:03
This article provides information setting up a test system with USB instruments and how to program
2019-10-18 11:05
;nbsp; 这一章从主机的角度来描述上述的通信模型,图10-2描述了从主机角度看到的它与设备的连接。 主机在整个USB系统中是唯一的,它包括如下
2008-06-17 10:36
Don Anderson的USB System Architecture里的USB HS接口图: 图7 High-Speed signal Interface
2018-08-16 15:08