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RSS订阅原创 Wireshark网络分析
https://www.cnblogs.com/dragonir/p/6219541.htmlhttps://blog.youkuaiyun.com/CrystalShaw/article/details/83307847https://www.cnblogs.com/wish123/p/9145628.html
2019-12-10 17:05:12
213
原创 gcc 编译报错-Werror=
1. misleading-indentation259 if (ret < 0)260 return ret;261262 printk(KERN_ERR"%X\n", reg_val);259:10: error: this ‘if’ ...
2019-07-04 15:40:05
16555
原创 Android audio volume
最近遇到两个音量控制的问题，总结一下。主要文件：frameworks/base/services/core/java/com/android/server/audio/AudioService.java主要结构体 public class VolumeStreamState { private final int mStreamType;... p...
2019-06-18 22:06:26
1449
原创 Android O wifi turn on -- start supplicant
Android O wifi turn on -- load driver后续1. frameworks/opt/net/wifi/service/java/com/android/server/wifi/WifiStateMachine.java class InitialState extends State {... public boolean proce...
2018-10-10 18:18:36
835
原创 Android O wifi turn on -- load driver
1. frameworks/base/wifi/java/android/net/wifi/WifiManager.java public boolean setWifiEnabled(boolean enabled) { mService.setWifiEnabled(mContext.getOpPackageName(), enabled); }2...
2018-10-10 16:33:31
1180
原创 gpio
1. Preloader 默认GPIO不做配置makefile文件中选择编译gpio_init即可打开，mt_gpio_set_default按照dws设定，mt_gpio_set_default_dump读取gpio状态。 78 #ifeq ("$(PL_MODE)","DUMMY_AP") 79 MOD_SRC += gpio_init.c 80 #endif...
2018-09-13 20:20:03
928
转载 selinux -execmod
原文地址：http://www.engardelinux.org/modules/index/list_archives.cgi?list=selinux&page=0212.html&month=2007-09Main Archive Page > Month Archives > selinux archives execmod permissio...
2018-09-13 17:42:17
635
原创 framework stack flow
+ StackTraceElement[] stacktrace = Thread.currentThread().getStackTrace();+ for(StackTraceElement e: stacktrace)+ Slog.v("xx-debug",...
2018-09-11 17:52:41
238
原创 driver dts config
debug msensor dts配置不生效dts: 99 msensor@0c { 100 i2c_num = <2>; 101 i2c_addr = <0x0c 0 0 0>; 102 direction = <2>; 103 ...
2018-08-30 15:16:45
332
原创 ddr compile fail
修改ddr为LPDDR4类型，编译报错 187 188 #**************************************************************************** 189 # DDR type define, add new type into SCAN_COL for scan 190 #*************************...
2018-08-23 11:59:49
307
原创 ICMP Router advertisement/Router solicitation.
ICMP Router advertisement/Router solicitation.http://www.networksorcery.com/enp/protocol/icmp/msg9.htmhttp://www.networksorcery.com/enp/protocol/icmp/msg10.htm IP：BOOTP, RARP, or ICMP Address ...
2018-06-26 18:20:48
3953
原创 博客记录
1.SSDP协议的Android实现以及使用https://www.cnblogs.com/yxwkf/p/3942214.html2. Android5.0网络之netdhttps://blog.youkuaiyun.com/javon_hzw/article/details/464476413. BLUETOOTH spechttps://www.crifan.com/s...
2018-05-30 20:22:18
319
原创 sprintf数据长度
char sw_version_info[20];..... if (__copy_from_user(sw_version_info, (void __user*)arg, 20)) { return -EFAULT; } sprintf(chip, "%s",...
2017-04-05 15:33:07
4788
转载 Bluedroid From A2DP|source code reading note
转自http://yongbingchen.github.io/ //A2DP Client Side1. static int adev_open_output_stream(struct audio_hw_device *dev, 1.1 out->ctrl_fd = skt_connect(out, "/data/misc/bluedroid/.a2dp_ctr...
2014-04-11 15:31:26
4586
原创 wifi attr
1.wifinetworkAttributes 2.softapconfig_tether_wifi_regexs 3.propwifi.interface 4.route ip route 查看当前路由信息 /proc/net/routeIface Destination Gateway Flags ...
2013-07-29 17:20:11
777
原创 wifi socket
1.wpa_supplicant_ctrl_iface_initsocket: wpa_wlan0 //PF_UNIX, SOCK_DGRAMrecv handle: wpa_supplicant_ctrl_iface_receivesend event: wpa_supplicant_ctrl_iface_msg_cb //sendmsg to monitor_conn ...
2013-07-29 11:33:51
1197
原创 wifi scan
android 4.2 1.WifiStateMachinemFrameworkScanIntervalMs //300s SCAN_PASSIVEmSupplicantScanIntervalMs //60s SCAN 2.WifiSettingsWIFI_RESCAN_INTERVAL_MS //10s SCAN_ACTIVE 3.scanInter...
2013-07-26 18:07:46
2464
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