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新建 #187

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rk3288 安卓 8.1 串口收发数据超过32 字节无法一次发送接收

Added by 余 顺 about 1 year ago. Updated about 1 year ago.

Status:
新建
Priority:
普通
Assignee:
-
Category:
uart
Target version:
rk3288
Start date:
02/27/2023
Due date:
% Done:

0%

Estimated time:

Description

版型：king3288

系统：android 8.1

问题：串口收发数据超过32 字节，会被分割无法一次发送

sdk版本：

参考解决办法未生效：

测试结果

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clipboard-202302271424-w0im9.png (15 KB) clipboard-202302271424-w0im9.png 余 顺, 02/27/2023 05:13 AM
clipboard-202302271425-ivkxi.png (20 KB) clipboard-202302271425-ivkxi.png 余 顺, 02/27/2023 05:13 AM
clipboard-202302271426-03h5d.png (306 KB) clipboard-202302271426-03h5d.png 余 顺, 02/27/2023 05:14 AM
clipboard-202303041555-bxias.png (207 KB) clipboard-202303041555-bxias.png 余 顺, 03/04/2023 06:43 AM
clipboard-202303041555-t3fqy.png (141 KB) clipboard-202303041555-t3fqy.png 余 顺, 03/04/2023 06:44 AM
clipboard-202303041557-0yrbc.png (33.6 KB) clipboard-202303041557-0yrbc.png 余 顺, 03/04/2023 06:45 AM
0001-patch-kernel-serial-add-rk-patch-that-deal-serial-da.patch (1.71 KB) 0001-patch-kernel-serial-add-rk-patch-that-deal-serial-da.patch 余 顺, 03/04/2023 06:49 AM
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 #1

Updated by 余 顺 about 1 year ago

andrdoi8.1
如图 android8.1 sdk源码中修改串口的驱动的FIFO

可以一次接收32个字节，最多到48个字节

安卓5.1 参考附件 补丁文件修改001-patch-kernel-serial-add-rk-patch-that-deal-serial-da.patch

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