WhyCan Forum(哇酷开发者社区)

&emac {
       phy-handle = <&int_mii_phy>;
       phy-mode = "mii";
       allwinner,leds-active-low;
       status = "okay";
};

root@SnailPi:~# ifconfig
lo: flags=73<UP,LOOPBACK,RUNNING>  mtu 65536
        inet 127.0.0.1  netmask 255.0.0.0
        loop  txqueuelen 1000  (Local Loopback)
        RX packets 0  bytes 0 (0.0 B)
        RX errors 0  dropped 0  overruns 0  frame 0
        TX packets 0  bytes 0 (0.0 B)
        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0

root@SnailPi:~# ifconfig eth0 up
[   87.868047] dwmac-sun8i 1c30000.ethernet eth0: PHY [0.1:01] driver [Generic PHY] (irq=POLL)
[   87.879265] dwmac-sun8i 1c30000.ethernet eth0: No Safety Features support found
[   87.886622] dwmac-sun8i 1c30000.ethernet eth0: No MAC Management Counters available
[   87.894407] dwmac-sun8i 1c30000.ethernet eth0: PTP not supported by HW
[   87.901964] dwmac-sun8i 1c30000.ethernet eth0: configuring for phy/mii link mode
[   87.985489] dwmac-sun8i 1c30000.ethernet eth0: Link is Up - 100Mbps/Full - flow control rx/tx
root@SnailPi:~# ifconfig
eth0: flags=4163<UP,BROADCAST,RUNNING,MULTICAST>  mtu 1500
        ether d6:80:0d:77:87:5b  txqueuelen 1000  (Ethernet)
        RX packets 51  bytes 7408 (7.2 KiB)
        RX errors 0  dropped 0  overruns 0  frame 0
        TX packets 0  bytes 0 (0.0 B)
        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0
        device interrupt 46  

lo: flags=73<UP,LOOPBACK,RUNNING>  mtu 65536
        inet 127.0.0.1  netmask 255.0.0.0
        loop  txqueuelen 1000  (Local Loopback)
        RX packets 0  bytes 0 (0.0 B)
        RX errors 0  dropped 0  overruns 0  frame 0
        TX packets 0  bytes 0 (0.0 B)
        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0

root@SnailPi:~# udhcpc -i eth0
udhcpc: started, v1.30.1
udhcpc: sending discover
udhcpc: sending select for 192.168.3.107
udhcpc: lease of 192.168.3.107 obtained, lease time 86400
root@SnailPi:~# 
root@SnailPi:~# 
root@SnailPi:~# 
root@SnailPi:~# ping www.baidu.com
PING www.a.shifen.com (220.181.38.149) 56(84) bytes of data.
64 bytes from 220.181.38.149 (220.181.38.149): icmp_seq=1 ttl=53 time=14.5 ms
64 bytes from 220.181.38.149 (220.181.38.149): icmp_seq=2 ttl=53 time=14.0 ms
64 bytes from 220.181.38.149 (220.181.38.149): icmp_seq=3 ttl=53 time=14.4 ms
64 bytes from 220.181.38.149 (220.181.38.149): icmp_seq=4 ttl=53 time=14.0 ms
64 bytes from 220.181.38.149 (220.181.38.149): icmp_seq=5 ttl=53 time=14.5 ms
64 bytes from 220.181.38.149 (220.181.38.149): icmp_seq=6 ttl=53 time=14.5 ms
64 bytes from 220.181.38.149 (220.181.38.149): icmp_seq=7 ttl=53 time=14.1 ms
64 bytes from 220.181.38.149 (220.181.38.149): icmp_seq=8 ttl=53 time=14.6 ms

git clone https://gitee.com/socbis/linux-lvgl.git -b lvgl-s5p6818

&mdio_mux {
	external_mdio: mdio@2 {
		reg = <2>;
		#address-cells = <1>;
		#size-cells = <0>;
	};
};

/*Color depth: 1 (1 byte per pixel), 8 (RGB332), 16 (RGB565), 32 (ARGB8888)*/
#define LV_COLOR_DEPTH     32 // 16

#include "sun8i-v3s-licheepi-zero.dts"

 / {
	backlight: backlight {
		compatible = "pwm-backlight";
		pwms = <&pwm 0 1000000 0>;
		//brightness-levels = <0 30 40 50 60 70 100>;
		 brightness-levels = <0 4 8 16 32 64 128 255>;
		default-brightness-level = <6>;

                //新增部分
                enable-gpios = <&pio 1 4 0>; 
                post-pwm-on-delay-ms = <10>;
                pwm-off-delay-ms = <10>;

	};

     ……

#include <linux/input.h>
#include <linux/input-polldev.h>
#include <linux/input/touchscreen.h>
#include <linux/i2c.h>

/* polling interval in ms */
#define POLL_INTERVAL	148 //PE20  ****注意修改这里******

/* this driver uses 12-bit readout */

config TOUCHSCREEN_NS2009
	tristate "Nsiway NS2009 touchscreen"
	depends on I2C
	select INPUT_POLLDEV
	help
		Say Y here to enable Nsiway NS2009 resistive touchscreen
		controller support.
	
		If unsure, say N.
	
		To compile this driver as a module, choose M here: the
		module will be called ns2009.

obj-$(CONFIG_TOUCHSCREEN_NS2009)	+= ns2009.o

	i2c1_pins: i2c1-pins {
			pins = "PE21", "PE22";
			function = "i2c1";
	};

	i2c1: i2c@1c2b000 {
			compatible = "allwinner,sun6i-a31-i2c";
			reg = <0x01c2b000 0x400>;
			interrupts = <GIC_SPI 7 IRQ_TYPE_LEVEL_HIGH>;
			clocks = <&ccu CLK_BUS_I2C1>;
			resets = <&ccu RST_BUS_I2C1>;
			pinctrl-names = "default";
			pinctrl-0 = <&i2c1_pins>;
			status = "disabled";
			#address-cells = <1>;
			#size-cells = <0>;
	};

&i2c1 {
	status = "okay";

	ns2009: ns2009@48 {
		compatible = "nsiway,ns2009";
		reg = <0x48>;
	};
};

[    1.372548] i2c /dev entries driver
[    1.378800] sun8i-v3s-pinctrl 1c20800.pinctrl: supply vcc-pe not found, using dummy regulator
[    1.390243] input: ns2009_ts as /devices/platform/soc/1c2b000.i2c/i2c-1/1-0048/input/input0

apt-get install autoconf automake libtool libffi-dev

mkdir tslib
chmod -R 777 tslib # 该步骤一定要做
cp  tslib-1.22.tar.gz  ~/tslib #将驱动复制到新建的目录中
cd tslib
tar -xvf tslib-1.22.tar.gz  #解压
#开始编译
cd tslib-1.22
./autogen.sh
echo "ac_cv_func_malloc_0_nonnull=yes" > arm-linux.cache 
./configure --prefix=/root/packet/tslib  --cache-file=arm-linux.cache

make
make install

# 拷贝动态库到根文件系统
cd ~/tslib
cp lib/* /lib -d -rf
cp etc/* /etc -d -rf
cp bin/* /bin -d -rf

# 拷贝动态库到交叉工具链
cp -rf include/* /usr/include
cp -d -rf lib/libts* /lib

cd /etc
nano profile

export TSLIB_TSDEVICE=/dev/input/event0    #指定触摸屏设备
export TSLIB_FBDEVICE=/dev/fb0             #指定显示器设备
export TSLIB_CONFFILE=/etc/ts.conf         #指定tslib配置文件的路径
export TSLIB_CALIBFILE=/etc/pointercal     #指定校准文件的存放位置
export TSLIB_PLUGINDIR=/lib/ts             #指定tslib插件文件的路径
export LD_LIBRARY_PATH=/lib                #添加 tslib 库
export TSLIB_CONSOLEDEVICE=none            #设备控制台文件名

cd ~/tslib/tslib-1.22/tests
./ts_calibrate  #执行校准
./ts_test # 进行测试