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Bug #873

J2500接口gpio101电压不正常

Added by 培旭 4 days ago. Updated about 7 hours ago.

Status:
New
Priority:
Urgent
Assignee:
Category:
Driver
Start date:
03/06/2025
Due date:
% Done:

0%

Estimated time:
型号:
LB700
CPU:
hisi3403
产品:
LBA3403一体板
扩展/功能板硬件版本:
核心板硬件版本:
01
固件版本:
\\192.168.1.250\03-image\hisi3403\imageOS\ubuntu\ss928\ubuntu_V1.3-support-UI-20250304
系统:
Ubuntu
内核版本:
Linux Hi3403 4.19.90 #5 SMP Wed Feb 12 14:45:29 CST 2025 aarch64 aarch64 aarch64 GNU/Linux
APP版本:
复现概率:
无线网卡:
FD7352S
以太网模组:
EMMC颗粒:
-

Description

echo 101 > /sys/class/gpio/export
echo out > /sys/class/gpio/gpio101/direction
开:echo 1 > /sys/class/gpio/gpio101/value
关:echo 0 > /sys/class/gpio/gpio101/value
gpio101电压为0.217V,其它正常的gpio口电压正常为1.8v或者3.3v

如图标示,为gpio101


Files

#1

Updated by 培旭 3 days ago

  • Priority changed from High to Urgent
#2

Updated by 培旭 about 7 hours ago

  • Category changed from H.W to Driver
  • Assignee changed from jing to sun

景工反馈:刚上电的时候是对的(1.8V左右),程序跑了一会儿之后就不对了。需要看一下这个IO的设置。

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