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请教一些问题 #6

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clodwater opened this issue Nov 8, 2018 · 1 comment

clodwater commented Nov 8, 2018

最近在做热敏打印机，是一款有驱动的打印机，是通过usb口进行连接打印的。可是打印速度很慢，该如何解决。（就是说我发送一条打印指令，打印机可能需要3s左右的时间才能反应过来）

Owner

GrassQing commented Nov 9, 2018

原则上不应该这么慢的,首先我们得看下 ,传输段接收到指令的时候是不是非常的慢,如果不是很慢,就说明驱动那边初始化时间太长了,导致需要3s才打印.

按照你说的这种现象,我估计应该是这种情况.驱动那边获取到你发送的消息后, 把所有的内容放置缓存,然后初始化,一次性开始打印, 我估计就是这样照成延迟3s打印.....

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