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by pierrelgcb
Tue Aug 23, 2016 2:21 pm
Forum: Android
Topic: Flash .img from SD card to eMMC [SOLVED]
Replies: 3
Views: 7615

Re: Flash .img from SD card to eMMC

Thanks to this link https://boundarydevices.com/hacking-img-sdcard-files/ , I mount all partitions, copy from mx6-som-recovery-sd.v62.img to my.img and overwrite android images with mine. At boot on SD card, I have a black screen. Putty logs nothing. Here are the commands commands.txt Regards, Pierre
by pierrelgcb
Tue Aug 23, 2016 10:16 am
Forum: Android
Topic: Flash .img from SD card to eMMC [SOLVED]
Replies: 3
Views: 7615

Flash .img from SD card to eMMC [SOLVED]

Hello, I use VAR-SOM-DUAL with VAR-SOLOCustomBoard V1.1 and Android v6.0.1. I built Android v6.0.1 and flash it with Fastboot. It works fine. Now I would like to create a SD card with my custom Android .img files and flash them on eMMC from SD card. I tried to : - mount mx6-som-recovery-sd.v62.img, ...
by pierrelgcb
Tue Jul 19, 2016 2:06 pm
Forum: Android
Topic: Autofocus camera OV5640 on Android 5.1.1
Replies: 2
Views: 4733

Autofocus camera OV5640 on Android 5.1.1

Hello, I use VAR-SOM-DUAL with VAR-SOLOCustomBoard V1.1 and Android v5.1.1. I have both OV5640 Fixed and Auto Focus cameras. Testing Fixed Focus is OK, but Auto Focus camera doesn't autofocus. I tried to recover Android with AF camera plugged and with some custom conf. I am searching which file to c...
by pierrelgcb
Fri Mar 11, 2016 2:27 pm
Forum: Android
Topic: VAR-SOM-DUAL dirty image and blinking pixels
Replies: 2
Views: 4979

Re: VAR-SOM-DUAL dirty image and blinking pixels

Hello, Thank for your reply. I tried other RGB conf but it was a PCLK polarity problem. Changing device tree "pixelclk-active = <0/1>;" didn't hard invert clock signal. I solved the problem by hard inverting display PCLK polarity. Now, image is good quality :D I don't understand why hsync-...
by pierrelgcb
Wed Mar 09, 2016 1:59 pm
Forum: Android
Topic: VAR-SOM-DUAL dirty image and blinking pixels
Replies: 2
Views: 4979

VAR-SOM-DUAL dirty image and blinking pixels

Hello, I use VAR-SOM-DUAL on VAR-SOLOCustomBoard with Android 5.0. I try to replace display from VLCD-CAP-GLD-LVDS 7" LVDS1 (J15) to Newhaven 5" connected on LVDS0 (J16) port. http://www.newhavendisplay.com/nhd50800480tfatxlctp-p-6062.html I use Texas Instruments DS90CF384A to translate LV...
by pierrelgcb
Thu Feb 25, 2016 12:30 pm
Forum: Android
Topic: How to compile device tree for Android ?
Replies: 5
Views: 9105

Re: How to compile device tree for Android ?

Hi Ron, I solved my problem ! To solve "Invalid string index 238" at target fastboot run, there is no need to patch u-boot. On my Ubuntu /var/log/syslog , when I plugged USB0 OTG, I had MTP errors. I fixed it by adding these lines in /lib/udev/rules.d/69-libmtp.rules # Variscite i.mx6 VAR-...
by pierrelgcb
Thu Feb 25, 2016 8:53 am
Forum: Android
Topic: How to compile device tree for Android ?
Replies: 5
Views: 9105

Re: How to compile device tree for Android ?

Hello, Tried to flash u-boot-var-imx6-nand.img on NAND again this morning, with success ! Copy/paste works. Unfortunately, even patched, fastboot still stop at "Invalid string index 238" when I boot on NAND. edit : I got the following errors on /var/log/syslog. Searching on Ubuntu side. [ ...
by pierrelgcb
Wed Feb 24, 2016 4:08 pm
Forum: Android
Topic: How to compile device tree for Android ?
Replies: 5
Views: 9105

Re: How to compile device tree for Android ?

Hi Ron, Thanks for your support. Here are my day tries to run fastboot. I recovered sd-card and NAND/eMMC by following these instructions with mx6-som-nand-recovery-sd.v46.img : http://variwiki.com/index.php?title=VAR-SOM-MX6_Yocto_NAND_Recovery and Android-eMMC. As a result, depending on boot switc...
by pierrelgcb
Tue Feb 23, 2016 4:07 pm
Forum: Android
Topic: How to compile device tree for Android ?
Replies: 5
Views: 9105

How to compile device tree for Android ?

Hello, I use VAR-SOM-DUAL on VAR-SOLOCustomBoard with Android 5.0. I try to replace display from VLCD-CAP-GLD-LVDS 7" LVDS1 (J15) to custom 5" connected on LVDS0 (J16) port. My hardware works as the screen displays Android. I understand I have to change the device tree ll_500_100_build/ker...
by pierrelgcb
Tue Feb 23, 2016 12:20 pm
Forum: Android
Topic: Change bootargs command line
Replies: 3
Views: 6244

Re: Change bootargs command line

Added setenv bootargs "value"
It works. Thanks.

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