M483KG 如何使用HSUSBH_USBH_VCOM讀寫PL2303?

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laocuo1142| 资深工程师

楼主 | 2021-7-26 10:02 | 只看该作者回帖奖励

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PL2303, USB, COM, ic, ev, Device

環境:
開發版: M483KG
usb轉uart: PL 2303/ FT 232

目的:    如何使用HSUSBH_USBH_VCOM 讀寫PL 2303/ FT 232?

問題:
插拔PL2303/FR232裝置，會顯示Connect device， disconnect device
但是不知道如何傳收資料。

訊息如下:
+---------------------------------------------------------+
|          M480 USB Host VCOM sample program          |
+---------------------------------------------------------+
|  (NOTE: This sample supports only one CDC device, but |
|       driver supports multiple CDC devices. If you |
|       want to support multiple CDC devices, you    |
|       have to modify this sample.                   |
+---------------------------------------------------------+
USB static memory: 6/256, heap used: 0
Connect device =>
New full-speed device address 2 assigned.
USB static memory: 7/256, heap used: 568
disconnect device...
USB static memory: 6/256, heap used: 0
USB static memory: 6/256, heap used: 0
Connect device =>
New full-speed device address 3 assigned.
USB static memory: 7/256, heap used: 568
disconnect device...
USB static memory: 6/256, heap used: 0
USB static memory: 6/256, heap used: 0
Connect device =>
New full-speed device address 4 assigned.
USB static memory: 7/256, heap used: 568

使用特权