Garz & Fricke GUF-Yocto-jethro-10.0-r7885-0, Руководство пользователя

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GUF-Yocto-jethro-9.0-r7707-0 i.MX6 User Manual
6.5 Keypad connector 36
6.6 SPI 37
6.7 I2C 37
6.8 CAN 38
6.9 USB 39
6.9.1 USB Host 39
6.9.2 USB Device 39
6.9.3 USB OTG ID pin emulation 40
6.10 Display power 40
6.11 Display backlight 40
6.12 SD cards and USB mass storage 41
6.13 Temperature Sensor 41
6.14 Touchscreen 42
6.15 Audio 42
6.16 SRAM 42
6.17 HDMI 43
6.17.1 HDMI as primary display 43
6.17.2 HDMI as secondary display 43
6.17.3 HDMI as mirror of the internal display 43
6.17.4 HDMI XML configuration 43
6.18 WLAN 45
7 Building and running a user application 46
7.1 SDK installation 46
7.2 Simple command-line application 46
7.3 Qt-based GUI user application 47
7.4 Using the Qt Creator IDE 48
7.4.1 Configuring Qt Creator 48
7.4.2 Developing with Qt Creator 51
7.5 Autostart mechanism for user applications 52
8 Building a Garz & Fricke Yocto Linux system from source 55
8.1 General information about Garz & Fricke Yocto Linux systems 55
8.2 Build requirements 55
8.3 Download and installation of the Garz & Fricke Yocto BSP 55
8.4 Building the BSP for the target platform 56
9 Deploying the Linux system to the target 57
9.1 Booting Flash-N-Go System 57
9.2 Installing a Yocto image on the device 57
9.2.1 Over the network via TFTP 58
9.2.2 From a local folder using an external storage device 58
9.2.3 Control the installation process using parameters 58
10 Securing the device 60
10.1 Services 60
10.2 User permissions concept 60
10.2.1 Root password 60
10.2.2 Non root user 61
10.2.3 super user privileges for non root user 61
10.3 autostart 62
10.4 Flash-N-Go System 62
10.5 Networking 62
10.5.1 Firewall - netfilter/iptables 62
10.5.2 Using secure network protocols 63
10.6 Restrict physical access 63
10.7 Application security 63
11 Debugging 64
11.1 Important hints 64
11.1.1 The debugger needs access to the debug symbols 64
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