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    【DIY教程】D1的双屏异显第一弹来啦!D1同时支持两个屏幕,一共做UI交互,一边个播放视频

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    • BedRock
      BedRock LV 6 last edited by BedRock

      D1文档中有功能:双屏同显!具体操作见文档:https://d1.docs.aw-ol.com/source/3_getimg/
      双屏同显测试固件:https://www.aw-ol.com/downloads/resources/38

      继上述固件之后,因为小项有需求,同显固件无法满足。故有双屏异显第一弹:

      1. mipi显示GUI,HDMI播放动画。
        下图是演示效果。

      异显固件:
      tina_d1-nezha_uart0_yixian.img

      操作过程

      1. 更改设备号
      # 目录 d1-tina-open/package/allwinner/libuapi/src/videoOutPort.c
      # 调转一下默认屏幕输出
      # 71 行
      -#define SCREEN_0 0
      -#define SCREEN_1 1
      +#define SCREEN_0 1
      +#define SCREEN_1 0
      
      
      1. 编译并烧录固件
      make -j32 && pack
      
      1. 启动设备,切换HDMI到屏幕1
      cd /sys/kernel/debug/dispdbg
      echo disp1 > name; echo switch1 > command; echo 4 10 0 0 0x4 0x101 0 0 0 8 > param; echo 1 > start;
      
      1. 使用tplaydemo 播放视频
      tplaydemo *****.mp4
      
      1. 启动LVGL控制UI
      ./cardcamera
      

      以上就是双屏异显固件测试及使用的方法,大家能否基于此想到更多有趣的玩法,欢迎评论回帖催更😀 😀 😀

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      • BedRock
        BedRock LV 6 last edited by

        对于上述修改,在系统调试节点中查看可以看到:

        root@TinaLinux:/sys/devices/virtual/disp/disp/attr# cat sys
        screen 0:
        de_rate 300000000 hz, ref_fps:62
        mgr0: 800x1280 fmt[rgb] cs[0x204] range[full] eotf[0x4] bits[8bits] err[0] force_sync[0] unblank direct_show[false] iommu[1]
        dmabuf: cache[0] cache max[0] umap skip[0] overflow[0]
                lcd output      backlight(100)  fps:62.5         800x1280
                err:1   skip:200        irq:18449       vsync:0 vsync_skip:0
           BUF    enable ch[1] lyr[0] z[16] prem[N] a[pixel 255] fmt[  0] fb[ 800,1280; 800,1280; 800,1280] crop[   0,1280, 800,1280] frame[   0,   0, 800,1280] addr[ff800000,       0,       0] flags[0x       0] trd[0,0]
        depth[ 0] screen 1:
        de_rate 300000000 hz, ref_fps:60
        mgr1: 1920x1080 fmt[rgb] cs[0x101] range[limit] eotf[0x4] bits[8bits] err[0] force_sync[0] unblank direct_show[false] iommu[1]
        dmabuf: cache[0] cache max[0] umap skip[0] overflow[0]
                hdmi output mode(10)    fps:60.6        1920x1080
                err:0   skip:4  irq:14742       vsync:0 vsync_skip:0
           BUF    enable ch[0] lyr[0] z[0] prem[N] a[globl 255] fmt[ 77] fb[ 992, 736; 496, 368; 496, 368] crop[   0,   0, 976, 720] frame[   0,   0,1920,1080] addr[fe800000,fe8b2400,fe8ded00] flags[0x       0] trd[0,0]
        depth[ 0] root@TinaLinux:/sys/devices/virtual/disp/disp/attr#
        

        此时系统中有两个屏幕。

        但此时HDMI仅仅只创建了一个图层。
        mipi则被加入到了framebuffer中。

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        • Kirin
          陈塘关李靖 LV 6 last edited by

          This post is deleted!
          1 Reply Last reply Reply Quote Share 0
          • cube_work
            cube_work LV 5 last edited by

            真 。 点屏神器!

            BedRock 1 Reply Last reply Reply Quote Share 0
            • BedRock
              BedRock LV 6 @cube_work last edited by

              @cube_work 前两天还有OLED屏,再加上就 三块屏了😮 😮

              LogPI 1 Reply Last reply Reply Quote Share 0
              • LogPI
                LogPI LV 4 @BedRock last edited by

                @bedrock mipi的显示屏在哪里买的呀?

                BedRock 1 Reply Last reply Reply Quote Share 0
                • BedRock
                  BedRock LV 6 @LogPI last edited by

                  @logpi 全志在线官方淘宝店铺
                  https://shop411926351.taobao.com/shop/view_shop.htm?spm=a230r.1.14.5.310642b4UWiEnc&user_number_id=2210226104871

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                  • tigger
                    tigger LV 7 last edited by

                    感谢楼主,固件在哪吒上面可以用,但是 tplayerdemo 的声音怎么从HDMI显示器播放呢?

                    BedRock 1 Reply Last reply Reply Quote Share 0
                    • BedRock
                      BedRock LV 6 @tigger last edited by

                      @tigger 可能需要检查一下dts的声卡配置,直接配到HDMI输出就可以

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                      • Referenced by  allwinner_account allwinner_account 
                      • Referenced by  q1215200171 q1215200171 
                      • Referenced by  q1215200171 q1215200171 
                      • C
                        Coder9527 LV 2 last edited by

                        为大佬打call。

                        👍 👍 👍

                        J 1 Reply Last reply Reply Quote Share 0
                        • J
                          jonnywz LV 3 @Coder9527 last edited by

                          @coder9527 新手向大佬学习👍 👍

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                          • Referenced by  baiwen baiwen 
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