doc:appunti:hardware:raspberrypi_digitalframe
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doc:appunti:hardware:raspberrypi_digitalframe [2021/01/09 21:23] – [Web References] niccolo | doc:appunti:hardware:raspberrypi_digitalframe [2022/10/17 09:46] – [Fixed WiFi MAC address] niccolo | ||
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- | The first step was to order the hand-made **wood frame** from a craftsman. The profile size is shown in the picture, the inner space to accomodate | + | The first step was to order the hand-made **wood frame** from a craftsman. The profile size is shown in the picture, the inner space to accommodate |
{{ .: | {{ .: | ||
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I downloaded and installed **RaspiOS 2020-05-27 Buster**, based on Debian 10. I choosed the **full** version "with desktop and recommended software" | I downloaded and installed **RaspiOS 2020-05-27 Buster**, based on Debian 10. I choosed the **full** version "with desktop and recommended software" | ||
- | FIXME The WiFi is handled by Network Manager? The **/etc/ | + | ==== WiFi ==== |
+ | |||
+ | I installed the **Xfce** desktop environment; | ||
+ | |||
+ | Beware that NetworkManager | ||
==== Desktop Autologin ==== | ==== Desktop Autologin ==== | ||
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The mouse pointer will disappear after one second of **idle time**, just to reappear if you move the mouse. If you want to customize the options, change the file **/ | The mouse pointer will disappear after one second of **idle time**, just to reappear if you move the mouse. If you want to customize the options, change the file **/ | ||
+ | |||
+ | ==== Turning off the power LED ==== | ||
+ | |||
+ | When the digital frame is in stand-by (the screen is black and turned off), there is a red light glow around the frame, caused by the **Raspberry Pi power LED** being very bright, this is particularly disturbing when the room is dark. Fortunately enough there is a way to turn off the LEDs, just add the following snippet at the end of **/ | ||
+ | |||
+ | < | ||
+ | # Disable Ethernet LEDs | ||
+ | dtparam=eth_led0=14 | ||
+ | dtparam=eth_led1=14 | ||
+ | |||
+ | # Disable the PWR LED | ||
+ | dtparam=pwr_led_trigger=none | ||
+ | dtparam=pwr_led_activelow=off | ||
+ | |||
+ | # Disable the Activity LED | ||
+ | dtparam=act_led_trigger=none | ||
+ | dtparam=act_led_activelow=off | ||
+ | </ | ||
+ | |||
+ | This works well on my **Raspberry Pi 2** model, the matter is discussed in a **[[https:// | ||
==== Keyboard Shortcut ==== | ==== Keyboard Shortcut ==== | ||
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==== Screen Saver ==== | ==== Screen Saver ==== | ||
- | The program **photo-reframe** is configured to call two external programs, one to **disable the screensaver** at program start and one to **re-enable the screensaver** at program exit. The helper programs should be named **screensaver-off** and **screensaver-on** respectively, | + | The program **photo-reframe** is configured to call two external programs, one to **disable the screensaver** |
+ | |||
+ | Beware that the **xfce4-power-manager** program overloads the functionality offered by DPMS (controlled by the **xset** program); e.g. the screen blanking is perfomed even with DPMS disabled. The reccommended XFCE power manager settings | ||
+ | |||
+ | * **Display power management**: | ||
+ | * **Blank after**: Never - This prevents | ||
+ | * **Put sleep after**: 5 minutes - This is enforced via **DPMS Standby**. | ||
+ | * **Switch off after**: 6 minutes - This is enforced via **DPMS Off**. | ||
- | XFCE saves the Power Manager settings into the file **$HOME/ | + | With these settings display blanking is controlled by DPMS only (no software blanking); the slideshow program can simply disable DPMS to keep the screen always on. XFCE saves the Power Manager settings into the file **$HOME/ |
=== screensaver-off === | === screensaver-off === | ||
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<code bash> | <code bash> | ||
#!/bin/sh | #!/bin/sh | ||
- | xset dpms 300 300 300 | + | xset dpms 300 300 360 |
xset +dpms | xset +dpms | ||
</ | </ | ||
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See the man page for **nm-system-settings.conf**, | See the man page for **nm-system-settings.conf**, | ||
+ | |||
+ | Alternatively you can uninstall the **NetworkManager** package and use **dhcpcd5** for all the network settings. | ||
===== Web References ===== | ===== Web References ===== |
doc/appunti/hardware/raspberrypi_digitalframe.txt · Last modified: 2024/01/16 15:02 by niccolo