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    T113使用gt911竖屏(longan SDK),触摸坐标不对!

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    • E
      embfly LV 5 last edited by xiaowenge

      大家有谁用过T113 longan系统,使用电容式触摸gt911的吗?
      我这边用的是竖屏,不是横屏,请问配置dts有什么特别的要求吗?
      目前使用的是800x1280分辨率的屏,发现坐标不对!dts如下:

      	ctp@14 {
      		compatible = "allwinner,goodix";
      		device_type = "ctp";
      		reg = <0x14>;
      		status = "okay";
      		ctp_name = "gt9xxnew_ts";
      		ctp_twi_id = <0x2>;
      		ctp_twi_addr = <0x14>;
      		/*mipi 800x1280*/
      		ctp_screen_max_x = <0x320>;/*Set according to screen parameters*/
      		ctp_screen_max_y = <0x500>;/*Set according to screen parameters*/
      		ctp_revert_x_flag = <0x0>;
      		ctp_revert_y_flag = <0x0>;
      		ctp_exchange_x_y_flag = <0x0>;
      		ctp_int_port = <&pio PE 16 GPIO_ACTIVE_HIGH>;
      		ctp_wakeup = <&pio PE 17 GPIO_ACTIVE_HIGH>;
      		/*ctp-supply = <&reg_aldo2>;*/
      		/*ctp_power_ldo = <&reg_aldo2>;*/
      		/*ctp_power_ldo_vol = <3300>;*/
      	};
      

      我是用QT做的测试程序,qt程序启动时候的脚本配置是:

      export QT_QPA_EVDEV_TOUCHSCREEN_PARAMETERS=/dev/input/event$TouchDeviceNum
      		export QT_QPA_GENERIC_PLUGINS=evdevtouch:/dev/input/event$TouchDeviceNum
      

      就是QT下获得坐标不对,而TSLIB进行校验,反而可以进行校正和工作。

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      • J
        Jingyan LV 5 @embfly last edited by

        @embfly 具体是怎么不对?xy反转了?还是xy镜像了?
        反转交换,改这几个参数
        d4be1979-a58d-49ea-a1fe-ed05833a0094-image.png

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