Project

General

Profile

TestingInfrastructure » History » Revision 28

Revision 27 (Denis 'GNUtoo' Carikli, 01/15/2020 05:15 PM) → Revision 28/55 (Denis 'GNUtoo' Carikli, 01/15/2020 05:15 PM)

h1. TestingInfrastructure 

 h2. Applications that can be used to do some testing on the device 

 * https://f-droid.org/wiki/page/org.zeroxlab.zeroxbenchmark 

 h2. Projects and/or hardware that can be used to do functional testing 

 h3. Lava 

 "Lava":https://www.linaro.org/engineering/projects/lava/ can be used to do functional tests on real hardware. It can be easily installed on PureOS, an FSDG compliant GNU/Linux distribution. 

 h3. Labgrid 

 "Labgrid":https://labgrid.readthedocs.io/en/latest/ has features similar to Lava but it is probably easier to learn because it's probably way easier to get started with it. 

 h3. OsmoGSMTester 

 The "OsmoGSMTester project":https://osmocom.org/projects/osmo-gsm-tester is able to be interfaced with the Android RIL through ofono and can emulate a GSM network with the help of a compatible GSM base station or SDR. 


 This "presentation from 2019":https://media.ccc.de/v/osmodevcon2019-119-osmo-gsm-tester-e-gprs-test-setup has many insights on what kind of issue we might expect in interfacing it with smartphones. 

 h3. Simtrace2 

 The "Simtrace 2 project":https://osmocom.org/projects/simtrace2/wiki can be used, along with SIM card readers to programmatically feed a SIM card to a smartphone. This can be used to run test on real networks. 

 h2. Replicant supported devices and testing 

 h3. Requirements 

 * Antenna connector for the modem 
 * The ability to control the device buttons in order to be able to programmatically power on and off the device, and trigger boots into the bootloader and recovery 
 * Optionally a way to connect to the serial port, programmatically 

 h3. Galaxy S2 (I9100) 

 * The Galaxy S2 (I9100) has: 
 ** An antenna connector 
 ** The SOC serial port that is accessible behind the USB connector at a low voltage 
 ** A full size mini-sim (easier to interface with) 

 Holding the smartphone in place: 
 * The smartphone could either be screwed on a metallic surface or an external case could be screwed on a metallic surface enabling the smartphone not to move. 

 SIM cards: 
 * Simtrace 2 "lacks screw holes":https://osmocom.org/issues/3711 so a way must be found to make sure that it doesn't move as it uses flex cables to interface with the SIM socket of the smartphone. That may be fixed in a subsequent hardware revision. 

 Serial port and USB: 

 Buttons: 

 Battery: 

 Antenna connector and GSM tower or SDR: 
 The Galaxy S2 (I9100) has two antenna connectors: 
 * One internal connector, TODO: find the connector type 
 * One external connector, TODO: Find the connector type 

 h4. Example setup 

 See also the links inside the [[Serial_port]] article for more background on how to get serial port access on devices like the Galaxy SIII (i9300) or the Galaxy S2 (i9100). 

 !i9100.jpg! 

 See https://git.replicant.us/contrib/GNUtoo/test-infrastructure.git for the source of the file. 

 h4. Using a device without a battery. 

 * "How to use a Galaxy SIII without a battery":https://techblog.jeppson.org/2017/12/revive-old-samsung-galaxy-s3/ : It doesn't look very safe to do that as the phone is probably not expecting 5V on the battery connector but it gives some idea of the peak tolerances. 

 * Battery connectors: The 4 pin 'FPC' style battery connector available from amazon, marketed as being for the 'S4 value edition i9515' (https://amazon.de/gp/product/B0813JBW8S) is capable of contacting the i9300's battery.