VisionSOM-6ULL Buildroot Developer Guide - Revision history

KrzysztofChojnowski at 16:26, 26 March 2020

2020-03-26T16:26:13Z

← Older revision		Revision as of 16:26, 26 March 2020
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	To start build, first you need to obtain sources for buildroot.		To start build, first you need to obtain sources for buildroot.
	<pre>		<pre>
	git clone https://github.com/somlabs/somlabs-buildroot		git clone -b somlabs-2019.05.x https://github.com/somlabs/somlabs-buildroot
	</pre>		</pre>
	This command downloads complete source tree of buildroot from github server.		This command downloads complete source tree of buildroot from github server.

Pawelzbysinski: /* Flashing image to SD card */

2018-10-25T19:30:52Z

Flashing image to SD card

← Older revision		Revision as of 19:30, 25 October 2018
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	To prepare a bootable SD card, the SD-Card reader (either build-in or external USB) is needed.		To prepare a bootable SD card, the SD-Card reader (either build-in or external USB) is needed.
	Next, it is very important to find device file for SD card reader.		Next, it is very important to find device file for SD card reader.
	For most of internal readers, it will be "/dev/mmcblk0"		For most of internal readers, it will be "/dev/mmcblk0".
	For external USB readers, please check output of 'dmesg' command, run directly after attaching USB reader.		For external USB readers, please check output of 'dmesg' command, run directly after attaching USB the reader.
	Please look for line similar to:		Please look for line similar to:
	<pre>		<pre>
Line 65:		Line 65:
	After issuing commands, wait until it is finished.		After issuing commands, wait until it is finished.

	Next, remove card from PC and put it into target board.		Next, remove the card from PC and put it into target board.

Pawelzbysinski: /* Flashing image to SD card */

2018-10-25T19:08:18Z

Flashing image to SD card

← Older revision		Revision as of 19:08, 25 October 2018
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	= Flashing image to SD card =		= Flashing image to SD card =
	To prepare ~~bootabler~~ SD card, the SD-Card reader (either build-in or external USB) is needed.		To prepare a bootable SD card, the SD-Card reader (either build-in or external USB) is needed.
	Next, it is very important to find device file for SD card reader.		Next, it is very important to find device file for SD card reader.
	For most of internal readers, it will be "/dev/mmcblk0"		For most of internal readers, it will be "/dev/mmcblk0"

Pawelzbysinski: /* Introduction */

2018-10-25T18:08:44Z

Introduction

← Older revision		Revision as of 18:08, 25 October 2018
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	Detailed manual can be found here: https://buildroot.org/docs.html		Detailed manual can be found here: https://buildroot.org/docs.html

	~~It's~~ advantage is relatively short build time (in comparison i.e. to Yocto) - complete Linux image can be build in ca. 15-20 minutes on modern PC.		Its advantage is relatively short build time (in comparison i.e. to Yocto) - complete Linux image can be build in ca. 15-20 minutes on modern PC.
	It is also easy to learn and modify.		It is also easy to learn and modify.

Pawelzbysinski: /* Host PC requirements */

2018-10-25T18:06:49Z

Host PC requirements

← Older revision		Revision as of 18:06, 25 October 2018
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	= Host PC requirements =		= Host PC requirements =
	For building of embedded Linux system with Buildroot we need host PC, running Linux, recommended is 64-bit Ubuntu 16.04 or any derivative (Kubuntu/Mint18.x/etc.)		For building of embedded Linux system with Buildroot we need host PC, running Linux, recommended is 64-bit Ubuntu 16.04 or any derivative (Kubuntu/Mint18.x/etc.).

	As first step, some host tools ~~needs~~ to be installed. To do this, start console and run following commands:		As the first step, some host tools need to be installed. To do this, start console and run following commands:
	<pre>		<pre>
	sudo apt-get install build-essential git subversion g++ g++-multilib libncurses5-dev		sudo apt-get install build-essential git subversion g++ g++-multilib libncurses5-dev

Pawelzbysinski: /* Introduction */

2018-10-25T18:06:09Z

Introduction

← Older revision		Revision as of 18:06, 25 October 2018
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	It is also easy to learn and modify.		It is also easy to learn and modify.

	As for now, we provide our own buildroot tree source with changes for ~~SomLabs~~ VisionSOM 6ULL board.		As for now, we provide our own buildroot tree source with changes for SoMLabs VisionSOM 6ULL board.

	Buildroot is able also to build complete cross compiler (GCC) with necessary libraries, but we are using precompiled toolchain from Linaro.		Buildroot is able also to build complete cross compiler (GCC) with necessary libraries, but we are using precompiled toolchain from Linaro.

Admin at 08:21, 29 March 2018

2018-03-29T08:21:40Z

← Older revision		Revision as of 08:21, 29 March 2018
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	git clone https://github.com/somlabs/somlabs-buildroot		git clone https://github.com/somlabs/somlabs-buildroot
	</pre>		</pre>
	This command downloads complete source tree of buildroot from ~~gitlab~~ server ~~and checkout branch~~ "somlabs-~~2017.08~~"		This command downloads complete source tree of buildroot from github server.

			When operation is finished, go to directory "somlabs-buildroot" and start build process with proper configuration file, in the commands below replace DEFCONFIG_NAME with:
			* ''somlabs_visionsom_6ull_nand2G_defconfig'' for VisionSOM-6ULx with 2G/256MB NAND and without Murata wireless module
			* ''somlabs_visionsom_6ull_nand2G_wlan_bt_defconfig'' for VisionSOM-6ULx with 2G/256MB NAND and with Murata wireless module
			* ''somlabs_visionsom_6ull_defconfig'' for other VisionSOM-6ULx versions without Murata wireless module
			* ''somlabs_visionsom_6ull_wlan_bt_defconfig'' for other VisionSOM-6ULx versions with Murata wireless module

	~~When operation is finished, go to directory "somlabs-buildroot" and start build process:~~
	<pre>		<pre>
	cd somlabs-buildroot		cd somlabs-buildroot
	make O=build-visionsom-6ull ~~somlabs_visionsom_6ull_defconfig~~		make O=build-visionsom-6ull DEFCONFIG_NAME
	make O=build-visionsom-6ull all		make O=build-visionsom-6ull all
	</pre>		</pre>

	'''Note!''' If you use VisionSOM-6ULL SoM with built-in Murata 1DX WLAN/Bluetooth module then use somlabs_visionsom_6ull_wlan_bt_defconfig instead of somlabs_visionsom_6ull_defconfig in the command above. This configuration will include all necessary tools for WLAN and Bluetooth in your image.

	Complete build operation takes several minutes, so be patient.		Complete build operation takes several minutes, so be patient.

Admin at 16:22, 22 March 2018

2018-03-22T16:22:11Z

← Older revision		Revision as of 16:22, 22 March 2018
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	To start build, first you need to obtain sources for buildroot.		To start build, first you need to obtain sources for buildroot.
	<pre>		<pre>
	git clone https://~~gitlab~~.com/somlabs/somlabs-buildroot~~.git -b somlabs-2017.08~~		git clone https://github.com/somlabs/somlabs-buildroot
	</pre>		</pre>
	This command downloads complete source tree of buildroot from gitlab server and checkout branch "somlabs-2017.08"		This command downloads complete source tree of buildroot from gitlab server and checkout branch "somlabs-2017.08"
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	make O=build-visionsom-6ull all		make O=build-visionsom-6ull all
	</pre>		</pre>

			'''Note!''' If you use VisionSOM-6ULL SoM with built-in Murata 1DX WLAN/Bluetooth module then use somlabs_visionsom_6ull_wlan_bt_defconfig instead of somlabs_visionsom_6ull_defconfig in the command above. This configuration will include all necessary tools for WLAN and Bluetooth in your image.

	Complete build operation takes several minutes, so be patient.		Complete build operation takes several minutes, so be patient.

Admin at 20:41, 7 November 2017

2017-11-07T20:41:39Z

← Older revision		Revision as of 20:41, 7 November 2017
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	To start build, first you need to obtain sources for buildroot.		To start build, first you need to obtain sources for buildroot.
	<pre>		<pre>
	git clone ~~git@~~gitlab.com:somlabs/somlabs-buildroot.git -b somlabs-2017.08		git clone https://gitlab.com/somlabs/somlabs-buildroot.git -b somlabs-2017.08
	</pre>		</pre>
	This command downloads complete source tree of buildroot from gitlab server and checkout branch "somlabs-2017.08"		This command downloads complete source tree of buildroot from gitlab server and checkout branch "somlabs-2017.08"

Pawelzbysinski: /* Flashing image to SD card */

2017-10-05T07:23:26Z

Flashing image to SD card

← Older revision		Revision as of 07:23, 5 October 2017
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	</pre>		</pre>
	Instead of sdc could be i.e. sdb,sdd, etc.		Instead of sdc could be i.e. sdb,sdd, etc.
	For 'sdc' example given above, correct device path ~~woul~~ be "/dev/sdc"		For 'sdc' example given above, correct device path would be "/dev/sdc"

	To copy image to SD card, use following commands:		To copy image to SD card, use following commands: