LCD Test
更新时间： 2026/08/06
在Gitcode上查看源码LCD Test
Change History
| openUBMC Version | Revision Date | Description |
|---|---|---|
| 25.06 | 2025/06/26 | Initial draft: add command details |
Basic Information
Function Description
Tests the LCD.
Privilege
Command Information
Request Information
| Byte | Data Field |
|---|---|
| NetFn | 30h |
| CMD | 90h |
| 1 | Sub command, subcommand = 34h |
| 2 | Test Action 0: Starts the test. 1: Queries the test result. 2: Ends the test. Other values are reserved. |
| 3 | Test Item 0: presence check. 1: Self-test. 2: LCD defective pixel test 3: touch check 4: backlight brightness test (other values are reserved) |
| 4 | [7:4]: Device Number. Indicates the sequence number of the component. The value starts from 0. [3:0] Test Type Reserved |
Response Information
| Byte | Data Field |
|---|---|
| 1 | Completion Code 80h=Testing... 81h=The test is not started. |
| (2) | Test Result: This byte is valid only when the test result is queried. 0=Success 1=Failed |
| (3:6)* | Detail result. This byte is valid only when the test result is queried. Reserved, set to 0x00 |
Command Example
Test the LCD.
Request:
bash
[root@localhost ~]# ipmicmd -k "0f 00 30 93 DB 07 00 65 00 00" smi 0Response:
text
00 DB 07 00 00