Qt Creator Cross Compiling Environment for Raspbian Stretch using QtRpi

This post shows how to create Qt Creator cross development environment on Ubuntu PC for Raspbian Stretch by using QtRpi. Although QtRpi does not officially support Raspbian Stretch [1], additional few steps make it possible to create the cross development environment for Stretch. (For Raspbian Jessie, please see this post.)   Contents – Assumptions – Steps 1. Host Preparation (Ubuntu) 2.… Continue reading “Qt Creator Cross Compiling Environment for Raspbian Stretch using QtRpi”

Updating BlueZ on Raspberry Pi (5.43 to 5.48)

This post shows how to update BlueZ from 5.43 (the default version comes with Raspbian Stretch November 2017 version) to 5.48 (the latest as of 2/14/2018) on Raspberry Pi. According to the release notes [1], many issues (especially GATT related issues) have been fixed and also, Advertising Manager API, which was previously marked as experimental, is now stable… Continue reading “Updating BlueZ on Raspberry Pi (5.43 to 5.48)”

Silent boot on Raspbian Stretch in Console Mode

The purpose of the steps here is to remove Rainbow image, Raspberry Pi Logo, login messages, etc. from Raspberry Pi boot up process when it’s in console autologin mode. For silent boot in desktop mode, please see this post. After following the steps, the first thing you see will be a shell prompt like below.

I tested… Continue reading “Silent boot on Raspbian Stretch in Console Mode”

Setting Up Raspberry Pi Web Kiosk

This post shows steps to setup a web kiosk using Raspberry Pi. The goal is to load a web page using a browser in full-screen kiosk mode directly after boot up. I tested it with Raspberry Pi 3 running Raspbian Stretch (November 2017 version) with Raspberry Pi official 7″ display. I used Chromium as browser. Also, Internet… Continue reading “Setting Up Raspberry Pi Web Kiosk”

Controlling Display Backlight on Raspberry Pi

This is how to turn on and off backlight on Raspberry Pi for the official 7-inch touchscreen display and HDMI displays using command-line interface (CLI). I checked it with Raspberry Pi 3 running Raspbian Stretch (September 2017 version) + official 7″ display / GeChic 1002 10.1″ HDMI Display.   The official 7-inch touchscreen display [1] OFF:

Continue reading “Controlling Display Backlight on Raspberry Pi”