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標題: VS-RK3399 在linux系統下面調試Mipi camera接口 [打印本頁]

作者: shizhuang 時間: 2021-10-18 09:45
標題: VS-RK3399 在linux系統下面調試Mipi camera接口
debian系統目前支持Usb camera是沒有問題，走UVC功能接口。那么mipi 接口camera和并口接口的camera，在Debian系統怎么設置呢，其實原理一樣，也走uvc接口封裝函數.

下面給他大家簡單說明：
首先在dts文件定義Mipi camera接口的定義：
camera0: camera-module@60 {
      status = "okay";
      compatible = "ovti,ov13850-v4l2-i2c-subdev";
      reg = < 0x60 >;
      device_type = "v4l2-i2c-subdev";
      clocks = <&cru SCLK_CIF_OUT>;
      clock-names = "clk_cif_out";
      pinctrl-names = "rockchip,camera_default",
         "rockchip,camera_sleep";
      pinctrl-0 = <&cam0_default_pins>;
      pinctrl-1 = <&cam0_sleep_pins>;

      rockchip,pwr-gpio = <&gpio2 10 GPIO_ACTIVE_HIGH>;
      rockchip,camera-module-mclk-name = "clk_cif_out";
      rockchip,camera-module-facing = "back";
      rockchip,camera-module-name = "cmk-cb0695-fv1";
      rockchip,camera-module-len-name = "lg9569a2";
      rockchip,camera-module-fov-h = "133.0";
      rockchip,camera-module-fov-v = "100.1";
      rockchip,camera-module-orientation = <0>;
      rockchip,camera-module-iq-flip = <0>;
      rockchip,camera-module-iq-mirror = <0>;
      rockchip,camera-module-flip = <0>;
      rockchip,camera-module-mirror = <0>;
      rockchip,camera-module-defrect0 = <640 480 0 0 640 480>;
      rockchip,camera-module-defrect1 = <640 480 0 0 640 480>;
      rockchip,camera-module-defrect2 = <640 480 0 0 640 480>;
      rockchip,camera-module-defrect3 = <640 480 0 0 640 480>;
      rockchip,camera-module-flash-support = <0>;
      rockchip,camera-module-mipi-dphy-index = <0>;
};

cif_isp0: cif_isp@ff910000 {
      compatible = "rockchip,rk3399-cif-isp";
      rockchip,grf = <&grf>;
      reg = <0x0 0xff910000 0x0 0x4000>, <0x0 0xff968000 0x0 0x8000>;
      reg-names = "register", "dsihost-register";
      clocks =
         <&cru ACLK_ISP0_NOC>, <&cru ACLK_ISP0_WRAPPER>,
         <&cru HCLK_ISP0_NOC>, <&cru HCLK_ISP0_WRAPPER>,
         <&cru SCLK_ISP0>, <&cru SCLK_DPHY_RX0_CFG>,
         <&cru SCLK_CIF_OUT>, <&cru SCLK_CIF_OUT>,
         <&cru SCLK_MIPIDPHY_REF>;
      clock-names =
         "aclk_isp0_noc", "aclk_isp0_wrapper",
         "hclk_isp0_noc", "hclk_isp0_wrapper",
         "clk_isp0", "pclk_dphyrx",
         "clk_cif_out", "clk_cif_pll",
         "pclk_dphy_ref";
      interrupts = <GIC_SPI 43 IRQ_TYPE_LEVEL_HIGH 0>;
      interrupt-names = "cif_isp10_irq";
      power-domains = <&power RK3399_PD_ISP0>;
      rockchip,isp,iommu-enable = <1>;
      iommus = <&isp0_mmu>;
      status = "disabled";
};

通過上面的配置后，打開驅動，驅動加載成功了。通過應用就可以切換攝像頭，圖像就可以出來了

export DISPLAY=:0.0
su linaro -c " \ gst-launch-1.0 v4l2src device=/dev/video2 io-mode=4 ! videoconvert ! video/x-raw,format=NV12,width=640,height=480  ! rkximagesink \"

在debian 系統的目錄下面也有一個文件，路徑
/usr/local/bin/test_camera.sh
注意要修改/dev/videoX x表示設備節點號，看系統/dev/videox是多少，對應修改，執行就可以看到圖像出來

歡迎光臨 (http://www.denmoz.com/bbs/)