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kayden #15

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Kayden2022 opened this issue Mar 3, 2022 · 1 comment
Closed

kayden #15

Kayden2022 opened this issue Mar 3, 2022 · 1 comment

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@Kayden2022
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"failed to open device generic/unspecified error" 这个问题该怎么解决?

@wuxx
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wuxx commented Mar 3, 2022

nanoDLA逻辑分析仪提示“打开设备失败 generic/unspecified error”问题排查解决

  1. 尝试换个USB口试试看,不同的USB口性能不同,nanoDLA对USB带宽要求较高
  2. 由于逻辑分析仪是高速采样,对USB总线带宽有一定要求,可能会被其他USB设备抢占带宽或干扰,可以尝试拔掉其他USB设备排查一下
  3. 由于逻辑分析仪工作在USB 2.0 高速模式下,带宽需求较高,假若您接在hub上进行工作,hub的质量可能无法支撑这么高的带宽需求(尤其是hub上又接了其他USB设备时),可以尝试直接接插在PC的USB上进行工作,一般均可解决。

@wuxx wuxx closed this as completed May 8, 2024
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