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作者 askacis 在 PTT [ C_and_CPP ] 看板的留言(推文), 共107則
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35F推:以arm來說,如果switch 的case太少還是用if-else比較高效06/24 12:45
7F推:用unix socket要檢查一下kernel config有沒有開,尤其是在02/13 09:57
8F→:Embedded Linux的環境下~02/13 09:57
9F推:以後面試要帶NB,當場編譯看結果XD12/18 14:58
12F推:可以用source insight外掛astyle,編譯的時候再切回本來的12/01 23:01
7F推:灌usbview、bushound,這是windows下玩USB 看資訊、封包11/11 01:43
8F→:另外,鍵盤滑鼠不一定有bulk pipe,我不知道在windows下11/11 01:44
9F→:libusb是怎麼呼叫到windows API,但是你可以找libusb API11/11 01:46
10F→:有關interrupt out/in pipe的部分~11/11 01:48
11F→:另外,數值0x82 bit7代表usb direction,1為in~11/11 01:49
12F推:你可能要用usbview先搞清楚你的裝置有幾個endpoint,他們11/11 01:51
13F→:的type 跟方向性等等資訊再來寫code~11/11 01:53
30F推:有時候亂修也是會出問題的,亂轉型轉出問題...10/08 13:21
2F推:以ARM來說,用char不如用int,速度更快,沒有必要的話是08/31 21:47
1F推:可以用libusb,也是跨平台的。07/19 18:34