Gert VGA 666 and Official RPi Touchscreen - Raspberry Pi Forums
is possible both above-mentioned (i.e. 2 screens: vga display & 7" touchscreen) co-exist in current raspbian / firmware release & config?
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pi@raspberrypi ~ $ cat /proc/version
linux version 4.1.7+ (dc4@dc4-xps13-9333) (gcc version 4.8.3 20140303 (prerelease) (crosstool-ng linaro-1.13.1+bzr2650 - linaro gcc 2014.03) ) #817 preempt sat sep 19 15:25:36 bst 2015
pi@raspberrypi ~ $ sudo vcgencmd version
sep 23 2015 12:12:01
copyright (c) 2012 broadcom
version c156d00b148c30a3ba28ec376c9c01e95a77d6d5 (clean) (release)
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/boot/config.txt
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dtoverlay=rpi-ft5406
dtoverlay=vga666
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sudo vcdbg log msg shows both overlays loaded properly.
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001502.478: dtparam: cache_line_size=32
001538.206: loaded overlay 'rpi-ft5406'
001555.047: loaded overlay 'vga666'
001568.296: loaded overlay 'rpi-ft5406'
001574.821: gpioman: gpioman_get_pin_num: pin sdcard_control_power not defined
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test case 1:
if enable_dpi_lcd=1 (/boot/config.txt), blank screen on touchscreen (i.e. not initialised).
primary display hdmi.
omxplayer --display=4 or omxplayer --display=6 goes gert vga 666 display.
test case 2:
if enable_dpi_lcd=0 (/boot/config.txt), touchscreen primary display , shows boot sequence followed gui.
omxplayer --display=5 or omxplayer --display=6 goes hdmi display.
rationale / use case: driving couple of old vga monitors (w/o hdmi i/p) in lab using gert vga 666 adapter new 7" touchscreens.
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pi@raspberrypi ~ $ cat /proc/version
linux version 4.1.7+ (dc4@dc4-xps13-9333) (gcc version 4.8.3 20140303 (prerelease) (crosstool-ng linaro-1.13.1+bzr2650 - linaro gcc 2014.03) ) #817 preempt sat sep 19 15:25:36 bst 2015
pi@raspberrypi ~ $ sudo vcgencmd version
sep 23 2015 12:12:01
copyright (c) 2012 broadcom
version c156d00b148c30a3ba28ec376c9c01e95a77d6d5 (clean) (release)
---------------------------------------------------------------------------------------------------------
/boot/config.txt
---------------------------------------------------------------------------------------------------------
dtoverlay=rpi-ft5406
dtoverlay=vga666
---------------------------------------------------------------------------------------------------------
sudo vcdbg log msg shows both overlays loaded properly.
---------------------------------------------------------------------------------------------------------
001502.478: dtparam: cache_line_size=32
001538.206: loaded overlay 'rpi-ft5406'
001555.047: loaded overlay 'vga666'
001568.296: loaded overlay 'rpi-ft5406'
001574.821: gpioman: gpioman_get_pin_num: pin sdcard_control_power not defined
---------------------------------------------------------------------------------------------------------
test case 1:
if enable_dpi_lcd=1 (/boot/config.txt), blank screen on touchscreen (i.e. not initialised).
primary display hdmi.
omxplayer --display=4 or omxplayer --display=6 goes gert vga 666 display.
test case 2:
if enable_dpi_lcd=0 (/boot/config.txt), touchscreen primary display , shows boot sequence followed gui.
omxplayer --display=5 or omxplayer --display=6 goes hdmi display.
rationale / use case: driving couple of old vga monitors (w/o hdmi i/p) in lab using gert vga 666 adapter new 7" touchscreens.
no
raspberrypi
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