<?xml version="1.0" encoding="utf-8" ?><rss version="2.0"><channel><title><![CDATA[Haidern 学习共享]]></title><description><![CDATA[]]></description><link>https://blog.youkuaiyun.com/libingxuexi</link><language>zh-cn</language><generator>https://blog.youkuaiyun.com/</generator><copyright><![CDATA[Copyright &copy; libingxuexi]]></copyright><item><title><![CDATA[rk3568 android11 4G DDR无法升级问题]]></title><link>https://blog.youkuaiyun.com/libingxuexi/article/details/121718525</link><guid>https://blog.youkuaiyun.com/libingxuexi/article/details/121718525</guid><author>libingxuexi</author><pubDate>Sat, 04 Dec 2021 17:12:32 +0800</pubDate><description><![CDATA[1、使用的4G DDR在支持列表中"Rockchip_Support_List_DDR_Ver2.49.pdf"



2、升级错误界面



3、解决办法




diff --git a/RKBOOT/RK3568MINIALL.ini b/RKBOOT/RK3568MINIALL.ini
index dac55f4..083d8ff 100755
--- a/RKBOOT/RK3568MINIALL.ini
+++ b/RKBOOT/RK3568MINIALL.ini
@@ -5,7 +5,7 @..]]></description><category></category></item><item><title><![CDATA[RK3399 android7.1 打包固件出现问题]]></title><link>https://blog.youkuaiyun.com/libingxuexi/article/details/121671500</link><guid>https://blog.youkuaiyun.com/libingxuexi/article/details/121671500</guid><author>libingxuexi</author><pubDate>Thu, 02 Dec 2021 10:25:25 +0800</pubDate><description><![CDATA[1、问题点


hcc@bogon:~/ops_rochchip/ops-rk3399/rk3399insdustry$ ./mkimage.sh 
TARGET_BOARD_PLATFORM=rk3399
TARGET_PRODUCT=rk3399_all
TARGET_HARDWARE=rk30board
TARGET_BUILD_VARIANT=userdebug
BOARD_SYSTEMIMAGE_PARTITION_SIZE=1610612736
BOARD_USE_SPARSE_SYSTEM_I]]></description><category></category></item><item><title><![CDATA[RK3399 android7.1 u-boot中对GPIO口操作]]></title><link>https://blog.youkuaiyun.com/libingxuexi/article/details/121652039</link><guid>https://blog.youkuaiyun.com/libingxuexi/article/details/121652039</guid><author>libingxuexi</author><pubDate>Wed, 01 Dec 2021 11:40:22 +0800</pubDate><description><![CDATA[diff --git a/common/board_f.c b/common/board_f.c
old mode 100644
new mode 100755
index c1825d8..53fb652
--- a/common/board_f.c
+++ b/common/board_f.c
@@ -836,6 +836,24 @@ static int initf_dm(void)
 	return 0;
 }
 
+static int my_set_gpio(void)
+{
+//gpio2.]]></description><category></category></item><item><title><![CDATA[rk3568 android11 RTC hym8563调试]]></title><link>https://blog.youkuaiyun.com/libingxuexi/article/details/121611946</link><guid>https://blog.youkuaiyun.com/libingxuexi/article/details/121611946</guid><author>libingxuexi</author><pubDate>Mon, 29 Nov 2021 15:53:33 +0800</pubDate><description><![CDATA[1、原理图如下：



2、 kernel部分：

kernel/arch/arm64/boot/dts/rockchip/rk3568-evb1-ddr4-v10.dtsi

kernel/arch/arm64/configs/rockchip_defconfig


diff --git a/arch/arm64/boot/dts/rockchip/rk3568-evb1-ddr4-v10.dtsi b/arch/arm64/boot/dts/rockchip/rk3568-evb1-ddr4-v10.]]></description><category></category></item><item><title><![CDATA[rk3568 android11 调试RK628D HDMIIN功能]]></title><link>https://blog.youkuaiyun.com/libingxuexi/article/details/121574268</link><guid>https://blog.youkuaiyun.com/libingxuexi/article/details/121574268</guid><author>libingxuexi</author><pubDate>Sat, 27 Nov 2021 11:25:05 +0800</pubDate><description><![CDATA[1、原理图如下：



2、rockchip原厂提供的相关驱动补丁，如图：









3、我们平台使用RK628D主要实现HDMI-IN的功能：见图



4、把RK提供的相关驱动及补丁加到SDK里面，make ARCH=arm64 rk3568-evb1-ddr4-v10.img 编译





5、把补丁中Display 通路驱动去掉，只保留HDMIIN通过的驱动，编译通过；



6、rk3568\android11.0_rk3568_mid_rkr10_20211009\hard...]]></description><category></category></item><item><title><![CDATA[rk3568 android11 双以太网(一个外网一个内网)]]></title><link>https://blog.youkuaiyun.com/libingxuexi/article/details/121563663</link><guid>https://blog.youkuaiyun.com/libingxuexi/article/details/121563663</guid><author>libingxuexi</author><pubDate>Fri, 26 Nov 2021 16:42:12 +0800</pubDate><description><![CDATA[1、frameworks/opt/net/ethernet/java/com/android/server/ethernet/EthernetTracker.java


diff --git a/java/com/android/server/ethernet/EthernetTracker.java b/java/com/android/server/ethernet/EthernetTracker.java
old mode 100644
new mode 100755
index be0dcc9..]]></description><category></category></item><item><title><![CDATA[RK3568 android11 kernel生成的文件处理]]></title><link>https://blog.youkuaiyun.com/libingxuexi/article/details/121532428</link><guid>https://blog.youkuaiyun.com/libingxuexi/article/details/121532428</guid><author>libingxuexi</author><pubDate>Thu, 25 Nov 2021 10:43:00 +0800</pubDate><description><![CDATA[问题：RK3568 android11 kernel生成的文件：

解决：在kernel目录下面的.gitignore 文件把以上文件添加进去就可以屏蔽掉




]]></description><category></category></item><item><title><![CDATA[消除ADB错误“more than one device and emulator”的方法]]></title><link>https://blog.youkuaiyun.com/libingxuexi/article/details/121531314</link><guid>https://blog.youkuaiyun.com/libingxuexi/article/details/121531314</guid><author>libingxuexi</author><pubDate>Thu, 25 Nov 2021 10:05:51 +0800</pubDate><description><![CDATA[当我连着手机充电的时候，启动模拟器调试，执行ADB指令时，报错。
C:\Users\ops&gt;adb shell
error: more than one device and emulator
C:\Users\ops&gt;adb install e:\good.apk
error: more than one device and emulator

碰到这种情况，首先要查一下，是不是真的有多个设备或模拟器。
C:\Users\ops&gt;adb devices
List of devices ]]></description><category></category></item><item><title><![CDATA[rk3328 android10 Debug串口打印信息]]></title><link>https://blog.youkuaiyun.com/libingxuexi/article/details/121508029</link><guid>https://blog.youkuaiyun.com/libingxuexi/article/details/121508029</guid><author>libingxuexi</author><pubDate>Wed, 24 Nov 2021 09:18:20 +0800</pubDate><description><![CDATA[1、原理图如下：



2、kernel dts修改如下：

diff --git a/arch/arm64/boot/dts/rockchip/rk3328-evb-android.dtsi b/arch/arm64/boot/dts/rockchip/rk3328-evb-android.dtsi
index a8b50c1..923a457 100755
--- a/arch/arm64/boot/dts/rockchip/rk3328-evb-android.dtsi
+++ b/arch/arm.]]></description><category></category></item><item><title><![CDATA[rk3328 android10 默认中文]]></title><link>https://blog.youkuaiyun.com/libingxuexi/article/details/121477142</link><guid>https://blog.youkuaiyun.com/libingxuexi/article/details/121477142</guid><author>libingxuexi</author><pubDate>Mon, 22 Nov 2021 18:03:23 +0800</pubDate><description><![CDATA[在build/make目录下


diff --git a/core/main.mk b/core/main.mk
index bf3e52d..93f02b3 100644
--- a/core/main.mk
+++ b/core/main.mk
@@ -381,6 +381,8 @@ ADDITIONAL_BUILD_PROPERTIES += net.bt.name=Android
 
 #add by haidern
 ADDITIONAL_BUILD_PROPERTIES += persist.]]></description><category></category></item><item><title><![CDATA[rk3568 android11 VGA功能调试]]></title><link>https://blog.youkuaiyun.com/libingxuexi/article/details/121438708</link><guid>https://blog.youkuaiyun.com/libingxuexi/article/details/121438708</guid><author>libingxuexi</author><pubDate>Sat, 20 Nov 2021 14:09:03 +0800</pubDate><description><![CDATA[1、看原理图连接：

2、从原理图上面看VGA功能是通过EDP转换出来的，可以在DTS里面，关闭DSI主屏


diff --git a/arch/arm64/boot/dts/rockchip/rk3568-evb.dtsi b/arch/arm64/boot/dts/rockchip/rk3568-evb.dtsi
index 0b9d66b9a282..1ee28a2a957b 100644
--- a/arch/arm64/boot/dts/rockchip/rk3568-evb.dtsi
+++.]]></description><category></category></item><item><title><![CDATA[rk3399 android7.1 u-boot编译出错]]></title><link>https://blog.youkuaiyun.com/libingxuexi/article/details/121416576</link><guid>https://blog.youkuaiyun.com/libingxuexi/article/details/121416576</guid><author>libingxuexi</author><pubDate>Fri, 19 Nov 2021 10:21:06 +0800</pubDate><description><![CDATA[1、问题点：

ops@ops-PowerEdge-R430:~/rk3399/rk3399insdustry/u-boot$ make ARCHV=aarch64

make: *** No rule to make target '/home/ops/software/rk3399v71/industry_v1.9/rk3399insdustry/u-boot/include/common.h', needed by 'include/config/auto.conf'. Stop.

#### fai]]></description><category></category></item><item><title><![CDATA[rk3568 android11 wifi-rtl8188etv]]></title><link>https://blog.youkuaiyun.com/libingxuexi/article/details/121371528</link><guid>https://blog.youkuaiyun.com/libingxuexi/article/details/121371528</guid><author>libingxuexi</author><pubDate>Wed, 17 Nov 2021 09:57:19 +0800</pubDate><description><![CDATA[1、RTL8188ETV USB接口，kernel部分需要查找一下驱动；

2、kernel部分修改：


diff --git a/arch/arm64/boot/dts/rockchip/rk3568-evb1-ddr4-v10.dtsi b/arch/arm64/boot/dts/rockchip/rk3568-evb1-ddr4-v10.dtsi
old mode 100644
new mode 100755
index d4035a3..5972453
--- a/arch/arm64/boot/]]></description><category></category></item><item><title><![CDATA[rk3568 android11 uart349功能]]></title><link>https://blog.youkuaiyun.com/libingxuexi/article/details/121349701</link><guid>https://blog.youkuaiyun.com/libingxuexi/article/details/121349701</guid><author>libingxuexi</author><pubDate>Tue, 16 Nov 2021 10:03:57 +0800</pubDate><description><![CDATA[1、kernel部分：kernel/arch/arm64/boot/dts/rockchip/rk3568-evb1-ddr4-v10.dtsi


diff --git a/arch/arm64/boot/dts/rockchip/rk3568-evb1-ddr4-v10.dtsi b/arch/arm64/boot/dts/rockchip/rk3568-evb1-ddr4-v10.dtsi
index 05d0afd..c4e4a36 100644
--- a/arch/arm64/boot/dts/]]></description><category></category></item><item><title><![CDATA[rk3568 android11 AP6275s调试]]></title><link>https://blog.youkuaiyun.com/libingxuexi/article/details/121328992</link><guid>https://blog.youkuaiyun.com/libingxuexi/article/details/121328992</guid><author>libingxuexi</author><pubDate>Mon, 15 Nov 2021 10:15:21 +0800</pubDate><description><![CDATA[一、AP6275S的32.768k波形要求：

1、+-25ppm，计算的范围是：32767.1808~32768.8192Hz

2、占空比：30%~70%

3、峰峰值：1.8v+-0.09v

4、上升沿：目前建议上升沿时间小于200ns

5、不要有overshoot and ringing

二、以下是标准的波形：





三、如果波形有以下现象，不符合要求，需要调整

1、三角波，上升沿和下降沿时间不符合要求



















2、有overshoot and ring..]]></description><category></category></item><item><title><![CDATA[rk3568 android11 网络ADB]]></title><link>https://blog.youkuaiyun.com/libingxuexi/article/details/121302281</link><guid>https://blog.youkuaiyun.com/libingxuexi/article/details/121302281</guid><author>libingxuexi</author><pubDate>Sat, 13 Nov 2021 11:49:45 +0800</pubDate><description><![CDATA[问题：在调试的时候通常都会用到局域网adb功能

1、system/core/rootdir/init.rc


diff --git a/rootdir/init.rc b/rootdir/init.rc
index a9af0b0..10c4bd0 100644
--- a/rootdir/init.rc
+++ b/rootdir/init.rc
@@ -930,7 +930,12 @@ on boot
     # Define default initial receive window size]]></description><category></category></item><item><title><![CDATA[rk3568 android11 PCIE接Intel I350网卡]]></title><link>https://blog.youkuaiyun.com/libingxuexi/article/details/121263289</link><guid>https://blog.youkuaiyun.com/libingxuexi/article/details/121263289</guid><author>libingxuexi</author><pubDate>Thu, 11 Nov 2021 10:43:45 +0800</pubDate><description><![CDATA[1、cd kernel
make ARCH=arm64 rockchip_defconfig rk356x_evb.config android-11.config rk356x.config menuconfig

2、生成的.config比对Patch


diff --git a/.config b/.config
index 05505a8..f4c2ff7 100644
--- a/.config
+++ b/.config
@@ -1714,6 +1714,7 @@ CONFIG_VETH=y.]]></description><category></category></item><item><title><![CDATA[rk3568 android11 不休眠 删除锁屏]]></title><link>https://blog.youkuaiyun.com/libingxuexi/article/details/121249486</link><guid>https://blog.youkuaiyun.com/libingxuexi/article/details/121249486</guid><author>libingxuexi</author><pubDate>Wed, 10 Nov 2021 15:31:56 +0800</pubDate><description><![CDATA[1、device/rockchip/rk356x/overlay/frameworks/base/packages/SettingsProvider/res/values/defaults.xml


diff --git a/overlay/frameworks/base/packages/SettingsProvider/res/values/defaults.xml b/overlay/frameworks/base/packages/SettingsProvider/res/values/defau]]></description><category></category></item><item><title><![CDATA[rk3568 android11 默认中文]]></title><link>https://blog.youkuaiyun.com/libingxuexi/article/details/121220946</link><guid>https://blog.youkuaiyun.com/libingxuexi/article/details/121220946</guid><author>libingxuexi</author><pubDate>Tue, 09 Nov 2021 09:15:26 +0800</pubDate><description><![CDATA[1、build/make/target/product/full_base.mk


diff --git a/target/product/full_base.mk b/target/product/full_base.mk
old mode 100644
new mode 100755
index ffd3cde..e1453c2
--- a/target/product/full_base.mk
+++ b/target/product/full_base.mk
@@ -48,7 +48,7 @@ P]]></description><category></category></item><item><title><![CDATA[rk3568 android11 默认时区]]></title><link>https://blog.youkuaiyun.com/libingxuexi/article/details/121201323</link><guid>https://blog.youkuaiyun.com/libingxuexi/article/details/121201323</guid><author>libingxuexi</author><pubDate>Mon, 08 Nov 2021 09:16:01 +0800</pubDate><description><![CDATA[build/make/core/main.mk


diff --git a/core/main.mk b/core/main.mk
old mode 100644
new mode 100755
index 85b5841..5bcb396
--- a/core/main.mk
+++ b/core/main.mk
@@ -372,7 +372,8 @@ endif
 BUILD_WITHOUT_PV := true
 
 ADDITIONAL_BUILD_PROPERTIES += net.bt.nam]]></description><category></category></item></channel></rss>