Content: 3. Basic installation and configuration of the control centre
Basic installation and configuration of the control centre. ______ 54 ... 138. 5.2.2. Temperature monitoring interface. ... Temperature node management interface.
Changes since the first edition of this book. ________________________ 18
1.6. References. ____________________________________________________ 18 1.6.1. Links ______________________________________________________ 20 2. Installing and configuring the PC software. _____________________________ 23 2.1. Linux Operating System. _________________________________________ 24 2.1.1. Configure Linux ______________________________________________ 30 2.2. WEB server related sw. __________________________________________ 2.2.1. XAMPP. ___________________________________________________ 2.2.2. Configure XAMPP ____________________________________________ 2.2.3. XAMPP development package __________________________________
38 38 40 44
2.3. Compiler sw. ___________________________________________________ 45 2.3.1. USB library installation ________________________________________ 48 3. Basic installation and configuration of the control centre. ________ 54 3.1.
3.2. WEB interface __________________________________________________ 3.2.1. Installation. _________________________________________________ 3.2.2. Configuration. _______________________________________________ 3.2.3. Execution rights. _____________________________________________ 3.2.4. Language file access rights. ____________________________________
54 54 55 56 57
3.3. Parallel port. ___________________________________________________ 3.3.1. Simple debug interface. _______________________________________ 3.3.2. Finding the address of the parallel port. ___________________________ 3.3.3. Controlling the parallel port. ____________________________________
57 59 59 60
3.4. Parallel port driver ______________________________________________ 3.4.1. Compilation & test ____________________________________________ 3.4.2. Test Web interface. ___________________________________________ 3.4.3. Installation __________________________________________________
61 61 62 63
3.5. Attached HW. __________________________________________________ 3.5.1. Wireless On/Off switch ________________________________________ 3.5.2. Parallel port hardware interface. _________________________________ 3.5.3. Parallel port WEB interface. ____________________________________ 4. Possible extensions ________________________________________________
64 65 65 68 71
4.1. Wake-On-LAN support___________________________________________ 71 4.1.1. PCI versions.________________________________________________ 71 4.1.2. How WOL works. ____________________________________________ 76
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4.1.3. 4.1.4.
Remote power up of the PC.____________________________________ 79 Wake-On-LAN savings. _______________________________________ 80
4.2.
USB temperature sensor. ________________________________________ 81
4.4. SMS notifications. ______________________________________________ 93 4.4.1. Connecting the phone to the “Embedded Linux CTRL Centre”. _________ 93 4.4.2. Mobile phone interface investigations. ____________________________ 98 4.4.3. Compiling the SMS software. __________________________________ 100 4.4.4. Testing the SMS software. ____________________________________ 101
5.
4.5. Background tasks. _____________________________________________ 4.5.1. Temperature update _________________________________________ 4.5.2. Alarm handling. _____________________________________________ 4.5.3. Lamp update. ______________________________________________
102 105 106 108
4.6. USB web cam support. _________________________________________ 4.6.1. Background. _______________________________________________ 4.6.2. WEB camera utilities/debug tools. ______________________________ 4.6.3. WEB camera installation and verification._________________________ 4.6.4. Live pictures on the Internet from the “Embedded Linux CTRL Centre”. _ 4.6.4.1. Still pictures with spcacat. _________________________________ 4.6.4.2. Streaming pictures with spcaserv and spcaview. _______________ 4.6.4.3. Panning the WEB camera _________________________________
109 109 110 115 119 119 125 128
4.7. Additional extensions __________________________________________ 134 Operating the control centre. ________________________________________ 136 5.1.
Logging in to the “Embedded Linux CTRL Centre”. _________________ 136
5.2. Daily operation. _______________________________________________ 5.2.1. Lamp control interface. _______________________________________ 5.2.2. Temperature monitoring interface. ______________________________ 5.2.3. Video interface _____________________________________________ 5.2.4. Still picture interface _________________________________________ 5.2.5. Setup/Configuration interface __________________________________ 5.2.5.1. User management interface. _______________________________ 5.2.5.2. Language management interface. ___________________________ 5.2.5.3. Temperature node management interface. ____________________ 5.2.5.4. Log monitoring interface. __________________________________ 5.2.6. Power off interface __________________________________________ 5.2.7. Exit ______________________________________________________
137 138 139 140 141 143 143 146 147 149 150 151
5.3. Daily operations (reduced interface) ______________________________ 5.3.1. HOME ____________________________________________________ 5.3.2. PHP information ____________________________________________ 5.3.3. Status ____________________________________________________ 5.3.4. Lamp control _______________________________________________ 5.3.5. Temperature status. _________________________________________ 5.3.6. Still picture ________________________________________________ 5.3.7. User management. __________________________________________ 5.3.8. Using the standard interface on a mobile device. ___________________
151 152 153 153 153 154 155 156 157
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6. Trouble shooting __________________________________________________ 162 Appendix A __________________________________________________________ 170 A.1
Background and some thoughts. _________________________________ 170
A.2
First time with DSL_____________________________________________ 172
A.3
Some useful shell commands. ___________________________________ 175
A.4 Configuring the desktop.________________________________________ A.4.1 Desktop ___________________________________________________ A.4.2 Fluxbox menu configuration. ___________________________________ A.4.3 JWM menu configuration _____________________________________ A.4.4 The Windows Manager IceWM _________________________________
180 180 181 182 182
A.5 Further configuration of XAMPP. _________________________________ 188 A.5.1 Hiding your installation from the outside world. ____________________ 188 A.5.2 Wake On Lan from the Internet. ________________________________ 193 A.6
Useful Parallel port data at one place. _____________________________ 197
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