=========== C language ===================== char *xxx = ""; -> 一定要先給值後才可以用array去改值 C++ string xxx.length() 字符串長度 chr *xxx 沒有預留空間, chr xxx[100] 才有 ============================================ http://61.220.188.84/dv-m/mq-1.php -->從KO送DATA去wemos http://61.220.188.84/dv-m/mq-2.php -->查KO的SQL最後10筆 wemos傳給KO的DATA david@NB3 MINGW64 /f/WX-Water/Arduino/hardware $ cd esp8266com david@NB3 MINGW64 /f/WX-Water/Arduino/hardware/esp8266com $ git clone https://github.com/wemos/Arduino_D1.git esp8266 Cloning into 'esp8266'... remote: Counting objects: 13742, done. Receiving objects: 18% (2606/13742), 1.71 MiB | 8.00 KiB/s s david@NB3 MINGW64 /f/WX-Water/Arduino/hardware/esp8266com $ cd esp8266/tools david@NB3 MINGW64 /f/WX-Water/Arduino/hardware/esp8266com/esp8266/tools (master) $ python get.py Platform: i686-mingw32 Downloading esptool-0.4.9-win32.zip Done Extracting dist/esptool-0.4.9-win32.zip Renaming esptool-0.4.9-win32/ to esptool Downloading win32-xtensa-lx106-elf-gb404fb9-2.tar.gz Done Extracting dist/win32-xtensa-lx106-elf-gb404fb9-2.tar.gz Downloading mkspiffs-0.1.2-windows.zip Done Extracting dist/mkspiffs-0.1.2-windows.zip Renaming mkspiffs-0.1.2-windows/ to mkspiffs david@NB3 MINGW64 /f/WX-Water/Arduino/hardware/esp8266com/esp8266/tools (master) $ wemos MQTT broker(84) -> mosquitto -v subscriber(103-esp) -> 固定send outTopic + 收到callback inTopic publisher(84) -> mosquitto_pub -h 61.220.188.84 -t inTopic -m 111111111111 upload speed 115200 COM5 wemos D1 & mini AVRISP mkII D1接GND + RST接GND Wemos Installing Hardware package cd /f/WX-Water/Arduino/hardware/esp8266com git clone https://github.com/wemos/Arduino_D1.git esp8266 cd esp8266/tools python get.py MQTT broker(84) -> mosquitto -v subscriber(104-pi) -> mosquitto_sub -h 61.220.188.84 -t dv01 publisher(84) -> mosquitto_pub -h 61.220.188.84 -t dv01 -m 12 --------------------- raspberry pi ------------------------------------------- 控制gpio18亮燈 (104-pi) -> sudo python simple.py (84) -> mosquitto_pub -h 61.220.188.84 -t dv01 -m "{\"pin\":18,\"value\":1}" apache-php 加權限才可執行shell sudo visudo 加一行 www-data ALL=(ALL:ALL) NOPASSWD:ALL php 必須用 sudo 去執行shell bash 安裝 PHP + APACHE apt-get install apache2 php5 libapache2-mod-php5 安裝 vsftpd apt-get install vsftpd ftp 修改匿名設定才能上傳檔案 joe /etc/vsftpd.conf write_enable=YES anonymous_enable=YES anon_upload_enable=YES anon_mkdir_write_enable=YES ftp 修改上傳檔案欋限自動變為666 (777?) local_umask=000 讀取 TDS 模塊 minicom -H -S /usr/local/bin/dv02 -C /usr/local/bin/dv03 dv02----------------- #!/bin/sh print "\n" send \0374\0374\0374 dv03----------------- fd 5e 00 fd fd fe 24 01 fe fe raspberry pi 接 USB-串口 接 TDS 產生Hex的 FD FD FD 檔案 > dv01 echo -e "\0375\0375\0375" > dv01 進入minicom -H 顯示十六進位 ctrl-A -> S -> ascii -> /usr/local/bin/dv01 上傳檔案 dv01 當作發送 FD FD FD TDS 雙路 9600 8N1 停止位 1 TX-RX,RX-TX 交換接 发送FC FC FC 返回 FD TDSL1 TDSH1 FD FD FE TDSL2 TDSH2 FE FE IC盒探針線向上 右1左2 TDS 單路 9600 8N1 停止位 1 TX-TX,RX-RX 對接 發送 FD FD FD 返回 FD 低位 高位 FD FD ssh -NfR 8080:192.168.100.104:22 root@61.220.188.84 先 apt-get update 再 apt-get install minicom 工作文件區 /usr/local/bin/ ...... gpio18 設定方式 echo 18 > /sys/class/gpio/export echo out > /sys/class/gpio/gpio18/direction echo 1 > /sys/class/gpio/gpio18/value 取消設定 echo 18 > /sys/class/gpio/unexport apt-get install joe apt-get remove xxx pi + raspberry (已改) -> frevres0907 -> su + frevres0907 ====================================== 20170531 New WX Water ===================================================== https://api.weixin.qq.com/cgi-bin/token?grant_type=client_credential&appid=wx7fe291f76cf93354&secret=d8fd277920bba0cfddc1fd8f5eacf937 {"access_token":"y-RkXsDVDdxRaMTBybYL8hj5YREkUJmG6hLkGM4E_JkcNmq1pClejE5gF9mTJrmI5qc4Jf2elQf2aD7OBmgx22sWoaZrtArDxAa3A6RWQa8","expires_in":7200} 微信公眾平台 lee@dacomputing.com aa2233zz AppID(应用ID) wx7fe291f76cf93354 AppSecret(应用密钥) d8fd277920bba0cfddc1fd8f5eacf937 weixin.qq.com 101.227.131.102, 101.226.76.175 BIOS 中的南橋USB->8 ports, USB2.0->disable 才不會常常抓不到USB0 BIOS設少8小時->如果linux多8小時 為了確定 wifi AP 是否存在用 ping wifi AP 192.168.188.253 開機增加/etc/sysconfig/network-scripts/ifcfg-eth0:4 --> 192.168.188.100 date -s 2015-01-15 date -s 09:41:30 hwclock -w 把date 寫入 BIOS 點煙器的黃線在中間藍靠主板咖啡靠面板 如果timer_3g卡死,flag-3g-busy將一直存在 ps -ef 列出defunct 僵屍 kill -9 xxxx 進程號 /usr/bin/autossh -M 5678 -NfR 8080:192.168.100.99:22 root@61.220.188.84 ipad-saferi