Search found 49 matches

by zhenglx7388
2025-06-11 2:57
Forum: Luckfox Pico-RV1103/RV1106
Topic: MAX+buildroot系统下,如何配置出SPI1.0,SPI1.1
Replies: 1
Views: 133

MAX+buildroot系统下,如何配置出SPI1.0,SPI1.1

参考ROCKCHIP说明书,编制如下配置文件,编译后系统仅显示SPI1.0,没有出现SPI1.1,请问哪里出现问题? &spi1 { status = "okay"; pinctrl-names = "default"; pinctrl-0 = <&spi1m0_pins>; #address-cells = <1>; #size-cells = <0>; spidev0@0 { compatible = "rockchip,spidev"; spi-max-frequency = <50000000>; id = <...
by zhenglx7388
2025-05-19 7:03
Forum: Luckfox Pico-RV1103/RV1106
Topic: Luckfox Pico Ultra W板适配480x854 -LCD
Replies: 5
Views: 1254

Re: Luckfox Pico Ultra W板适配480x854 -LCD

Crocodile wrote: 2025-05-14 8:08 后续我们会推出 LVGL 工程的构建文档,在其他论坛和博客网站都有较为详细的介绍
什么时间能推出LVGL工程的构建文档?
by zhenglx7388
2025-05-14 7:48
Forum: Luckfox Pico-RV1103/RV1106
Topic: Luckfox Pico Ultra W板适配480x854 -LCD
Replies: 5
Views: 1254

Re: Luckfox Pico Ultra W板适配480x854 -LCD

Crocodile wrote: 2025-05-14 7:44 您好,例程的二次开发我们无法提供帮助,luckfox_lvgl_demo 程序仅适用 480x480 和 720x720两种分辨率,启动时会根据modetest信息切换显示配置,适配其他分辨率操作比较复杂,建议重新构建一个lvgl工程
请问重新构建一个lvgl工程,有构建说明吗?
by zhenglx7388
2025-05-14 7:31
Forum: Luckfox Pico-RV1103/RV1106
Topic: Luckfox Pico Ultra W板适配480x854 -LCD
Replies: 5
Views: 1254

Luckfox Pico Ultra W板适配480x854 -LCD

Luckfox Pico Ultra W板buildroot下适配480x854 -LCD,用MODETEST测试已成功,luckfox_lvgl_demo程序运行时快速刷屏,请问如何修改程序?
by zhenglx7388
2025-03-24 2:58
Forum: Luckfox Pico-RV1103/RV1106
Topic: Luckfox Pico Ultra W板配的LF40-720720-ARK屏
Replies: 1
Views: 238

Luckfox Pico Ultra W板配的LF40-720720-ARK屏

请问Luckfox Pico Ultra W板配的LF40-720720-ARK屏,初始化是在屏上吗,Ultra W板上不对显示屏初始化吧
by zhenglx7388
2025-03-21 11:05
Forum: Luckfox Pico-RV1103/RV1106
Topic: modetest :failed to set gamma: Invalid argument
Replies: 6
Views: 1570

Re: modetest :failed to set gamma: Invalid argument

你好,可以在使用modetest命令时,避免使用Gamma校正相关的选项。例如: modetest -s <connector_id>@<crtc_id>:<mode> 也可以更改设备树: &display { gamma = <0>; }; 或者修改驱动代码 // drm_display.c // 注释掉Gamma校正相关代码 // drm_mode_gamma_set(crtc, gamma_lut); 用modetest的方法,出现: [root@luckfox ]$ modetest -M rockchip -s 70@66:480x854 setting mode 480x...
by zhenglx7388
2025-03-21 7:55
Forum: Luckfox Pico-RV1103/RV1106
Topic: modetest :failed to set gamma: Invalid argument
Replies: 6
Views: 1570

Re: modetest :failed to set gamma: Invalid argument

pimouren wrote: 2025-03-21 6:47 你好,如果屏幕通过SPI接口已经完成了初始化校正,且屏幕的显示效果符合预期,是可以去掉Gamma校正的
请问如何去掉Gamma校正?
by zhenglx7388
2025-03-21 6:23
Forum: Luckfox Pico-RV1103/RV1106
Topic: modetest :failed to set gamma: Invalid argument
Replies: 6
Views: 1570

Re: modetest :failed to set gamma: Invalid argument

pimouren wrote: 2025-03-21 6:02 您好,failed to set gamma: Invalid argument错误通常与Gamma校正功能有关,首先可以检查设备树文件,确保SPI和RGB接口的配置与屏幕规格匹配。
其次,外购的SPI+RGB屏可能与LuckFox Pico Ultra的显示驱动不完全兼容,尤其是在Gamma校正部分,您可以检查屏幕的规格书,确认其支持的Gamma校正参数。
Gamma校正这部分可以去掉吗,SPI已有初始化校正了,另外SPI是3线的,没有返回数据。
by zhenglx7388
2025-03-21 3:48
Forum: Luckfox Pico-RV1103/RV1106
Topic: modetest :failed to set gamma: Invalid argument
Replies: 6
Views: 1570

modetest :failed to set gamma: Invalid argument

您好!我用外购的SPI+RGB屏,在移植LuckFox Pico Ultra的程序后,执行modetest命令,出现 :failed to set gamma: Invalid argument,请问哪里存在问题。
by zhenglx7388
2025-03-17 4:03
Forum: Luckfox Pico-RV1103/RV1106
Topic: MAX版如何使用SPI口发送9位数据
Replies: 2
Views: 697

Re: MAX版如何使用SPI口发送9位数据

是返回(Invalid argument)错误。应该是不支持