Search found 129 matches

by Alenwowo
2024-11-13 1:23
Forum: LuckFox Pico
Topic: pwm对应引脚 初始化为高电平
Replies: 8
Views: 1382

Re: pwm对应引脚 初始化为高电平

Vitohhh wrote: 2024-11-13 0:50
Vitohhh wrote: 2024-11-12 8:21
Alenwowo wrote: 2024-11-12 7:51

可以通过编写程序使用read读取或者是使用脚本读取,都可以的
读取的是什么状态?哪个值?我设置了占空比后面,他就持续这个占空比的值,duty_cycle的值吗?
我发现读取的capture也不行。可以告诉我读取的是什么东西吗
这个可能需要修改驱动程序了。你可以使用其他方法尝试 ,你需要自己探索,或者加入我们的交流群,去寻求更多的人的帮助:194290073
by Alenwowo
2024-11-12 7:51
Forum: LuckFox Pico
Topic: pwm对应引脚 初始化为高电平
Replies: 8
Views: 1382

Re: pwm对应引脚 初始化为高电平

Vitohhh wrote: 2024-11-12 7:19
Alenwowo wrote: 2024-11-12 2:43
Vitohhh wrote: 2024-11-12 2:37

你好 按上述的链接可以成功输出PWM了,我现在发现了新的问题,就是我该怎么精确的给PWM计数呢?比如我需要1600个脉冲,就需要停止该如何操作呢?谢谢
你可以通过不断读取来实现的应该
你好 我并没有看到有读取的操作?可以举个例子看看吗》?
可以通过编写程序使用read读取或者是使用脚本读取,都可以的
by Alenwowo
2024-11-12 7:23
Forum: LuckFox Pico
Topic: Luckfox-pico Ultra W 连接 SC3336 摄像头后RNDIS网卡就无法连接SSH
Replies: 2
Views: 547

Re: Luckfox-pico Ultra W 连接 SC3336 摄像头后RNDIS网卡就无法连接SSH

我手动设置了ip地址,目前可以连接到SSH终端了: [root@luckfox root]# ifconfig usb0 172.32.0.93 netmask 255.255.0.0 up [root@luckfox root]# route add default gw 172.32.0.1 usb0 [root@luckfox root]# ifconfig ... usb0 Link encap:Ethernet HWaddr FA:E1:A3:6A:F0:D6 inet addr:172.32.0.93 Bcast:172.32.255.255 Mask:255.255.0.0 U...
by Alenwowo
2024-11-12 2:43
Forum: LuckFox Pico
Topic: pwm对应引脚 初始化为高电平
Replies: 8
Views: 1382

Re: pwm对应引脚 初始化为高电平

Vitohhh wrote: 2024-11-12 2:37
Alenwowo wrote: 2024-11-12 2:03
Vitohhh wrote: 2024-11-11 7:58 大家好,如何设置pwm初始化引脚默认为低电平?
您好,可以查看我们这篇wiki操作:https://wiki.luckfox.com/zh/Luckfox-Pic ... M。这种方式比较简单
你好 按上述的链接可以成功输出PWM了,我现在发现了新的问题,就是我该怎么精确的给PWM计数呢?比如我需要1600个脉冲,就需要停止该如何操作呢?谢谢
你可以通过不断读取来实现的应该
by Alenwowo
2024-11-12 2:14
Forum: LuckFox Pico
Topic: I2S luckfox pico Max
Replies: 4
Views: 1568

Re: I2S luckfox pico Max

Emms wrote: 2024-11-11 23:30 Hello i tested that link but doesn't work, only work for luckfox ultra, i need help please
Yes, we only integrated audio in luckfox ultra and did not extend audio in pico max, so you need to explore it yourself!
by Alenwowo
2024-11-12 2:09
Forum: LuckFox Pico
Topic: Fbtft problem luckfox ultra w
Replies: 3
Views: 729

Re: Fbtft problem luckfox ultra w

Hello i have a problem with luckfox ultra w, i want to send picture for framebuffer in a SPI st7789, I changed the device tree but de fb doesn't exist in the console when i try to test this, i wrote $fbset and cant open /dev/fb0, i bought ultra w for sound but this not work whit framebuffer, i need...
by Alenwowo
2024-11-12 2:03
Forum: LuckFox Pico
Topic: pwm对应引脚 初始化为高电平
Replies: 8
Views: 1382

Re: pwm对应引脚 初始化为高电平

Vitohhh wrote: 2024-11-11 7:58 大家好,如何设置pwm初始化引脚默认为低电平?
您好,可以查看我们这篇wiki操作:https://wiki.luckfox.com/zh/Luckfox-Pic ... M。这种方式比较简单
by Alenwowo
2024-11-11 1:22
Forum: LuckFox Pico
Topic: Luckfox Pico Ultra W + LF40-720720-ARK + QT5 aplication
Replies: 4
Views: 873

Re: Luckfox Pico Ultra W + LF40-720720-ARK + QT5 aplication

Hello did you install your QT 5 application yourself via apt? I just install python3-pyside2.* packages via apt and try base example: #!/usr/bin/python3 # -'''- coding: utf-8 -'''- import sys from PySide2.QtWidgets import QApplication, QPushButton def say_hello(): print("Button clicked, Hello!...
by Alenwowo
2024-11-08 7:47
Forum: LuckFox Pico
Topic: LuckFox Pico Ultra + SC3336录像问题
Replies: 7
Views: 1546

Re: LuckFox Pico Ultra + SC3336录像问题

h1mple wrote: 2024-11-08 7:28
Alenwowo wrote: 2024-11-08 7:22
h1mple wrote: 2024-11-08 7:09

屏幕截图 2024-11-08 150739.png,所有视频时长都显示为2s,但实际不是
你这边录制完后是使用的ffmpeg转换后的视频吗?我这边测试录制完都正常显示时长的
QQ截图20241108152133.png
我是直接使用rkipc录制的视频,v4l2我测试下来时长正常,但是它无法直接录制mp4的视频
我这边测试一切正常,如果试了反复多次不行,建议您在重新烧录一遍我们的镜像在试试。或者是你存储空间不够了的原因
by Alenwowo
2024-11-08 7:22
Forum: LuckFox Pico
Topic: LuckFox Pico Ultra + SC3336录像问题
Replies: 7
Views: 1546

Re: LuckFox Pico Ultra + SC3336录像问题

h1mple wrote: 2024-11-08 7:09
Alenwowo wrote: 2024-11-08 6:56
h1mple wrote: 2024-11-07 7:58 LuckFox Pico Ultra + SC3336更改rkipc.ini中的[storage.0]下的enable = 1后开启录像功能,录制的视频不能快进,只能从头开始看
开启storage 后录制的视频mp4格式是没有问题的,有的播放可能不支持,建议优先用VLC播放
屏幕截图 2024-11-08 150739.png,所有视频时长都显示为2s,但实际不是
你这边录制完后是使用的ffmpeg转换后的视频吗?我这边测试录制完都正常显示时长的
QQ截图20241108152133.png