Retropie switches between LCD/HDMI

Geox

Hello. I have installed a Kedei 3.5" LCD and latest Retropie on Raspberry Pi 1 b+. I've installed the latest LCD's drivers and when PI boots, i'm getting the screen from LCD, but after the Retropie logo, it switches and i am getting the screen from HDMI and the LCD has a cursor only (or sometimes is used on settings menu or for various messages (for example in mame).

Here is a video with the same problem. Is not screen's fault, works properly on Raspbian.

How can i force the Retropie to stop using HDMI and send the image only at the LCD display?

Thanks in advance...

Geox

No one has an answer to that?

Hyell

Hello,

If you want, at boot, you can check if a HDMI screen is connected to your PI. And change your file in /boot/config.txt to use LCD or HDMI.

You can use a script like this (launch it before emulstation.sh):


# HDMI connection?
rm -f hdmi.name
tvservice -n 2>hdmi.name
HDMI_NAME=`cat hdmi.name`
echo $HDMI_NAME
if [ "$HDMI_NAME" == "[E] No device present" ]; then
	LCD_ON=`cat /boot/config.txt | grep "hdmi_drive=2"`
	if [ $LCD_ON == "hdmi_drive=2" ]; then
			echo "reboot avec la configuration LCD"
			sudo rm -f /boot/config.txt
			sudo cp /boot/config_lcd.txt /boot/config.txt
			sudo cp /usr/share/alsa/alsa.conf.lcd /usr/share/alsa/alsa.conf
			sudo reboot -n
	fi
else
	HDMI_ON=`cat /boot/config.txt | grep "lcd_rotate=2"`
	echo $HDMI_ON
	if [ $HDMI_ON == "lcd_rotate=2" ]; then
			echo "reboot avec la configuration HDMI"
			sudo rm -f /boot/config.txt
			sudo cp /boot/config_hdmi.txt /boot/config.txt
			sudo cp /usr/share/alsa/alsa.conf.hdmi /usr/share/alsa/alsa.conf
			sudo reboot -n
	fi
fi

This script, check if you got a HDMI screen and copy/paste the good /boot/config.txt before rebooting pi with the good config file.

Note : When I use a LCD screen, I change sound conf. you can add a "#" before "alsa" configration to keep your sound config.

Alessio

Have you solved the issue? I have the same LCD and the same problem.

Geox

@Hyell
Thanks for the script, but after the retropie logo, i am receiving the error "unexpected operator", on:

if [ "$HDMI_NAME" == "[E] No device present" ]; then

and on :

if [ $HDMI_ON == "lcd_rotate=2" ]; then

@Alessio No, i am receiving an error in operation

Hyell

I will check on my PI tomorow.
This script was on my PC, maybe it need some corrections.

Hyell

Ok, my bad,
add this at the beginning of the script :

#!/usr/bin/env bash

#!/usr/bin/env bash

# HDMI connection?
rm -f hdmi.name
tvservice -n 2>hdmi.name
HDMI_NAME=`cat hdmi.name`
echo $HDMI_NAME
if [ "$HDMI_NAME" == "[E] No device present" ]; then
        LCD_ON=`cat /boot/config.txt | grep "hdmi_drive=2"`
        if [ $LCD_ON == "hdmi_drive=2" ]; then
                        echo "reboot avec la configuration LCD"
                        sudo rm -f /boot/config.txt
                        sudo cp /boot/config_lcd.txt /boot/config.txt
                        sudo reboot -n
        fi
else
        HDMI_ON=`cat /boot/config.txt | grep "lcd_rotate=2"`
        echo $HDMI_ON
        if [ $HDMI_ON == "lcd_rotate=2" ]; then
                        echo "reboot avec la configuration HDMI"
                        sudo rm -f /boot/config.txt
                        sudo cp /boot/config_hdmi.txt /boot/config.txt
                        sudo reboot -n
        fi
fi

So create two files in /boot :
/boot/config_hdmi.txt for your HDMI configuration (with hdmi_drive=2)
/boot/config_lcd.txt for your LCD configuration (with lcd_rotate=2 )

and the script will change your /boot/config.txt file with the good one and reboot your pi.

You can launch this script in :
/etc/profile.d/10-emulationstation.sh

like this :

#rebootWithoutWiimotes=0 /home/pi/Wii/attachewii2.sh
# Check display config
/home/pi/displayBoot/initDisplay.sh
sleep 5
# launch emulationstation (if we are on the correct tty)
[ "`tty`" = "/dev/tty1" ] && emulationstation

Hyell

there is my config_lcd.txt :

# For more options and information see
# http://www.raspberrypi.org/documentation/configuration/config-txt.md
# Some settings may impact device functionality. See link above for details

# uncomment if you get no picture on HDMI for a default "safe" mode
#hdmi_safe=1

# uncomment this if your display has a black border of unused pixels visible
# and your display can output without overscan
#disable_overscan=1

# uncomment the following to adjust overscan. Use positive numbers if console
# goes off screen, and negative if there is too much border
#overscan_left=16
#overscan_right=16
#overscan_top=16
#overscan_bottom=16

# uncomment to force a console size. By default it will be display's size minus
# overscan.
#framebuffer_width=1280
#framebuffer_height=720

# uncomment if hdmi display is not detected and composite is being output
hdmi_force_hotplug=1

# uncomment to force a specific HDMI mode (this will force VGA)
#hdmi_group=1
#hdmi_mode=1

# uncomment to force a HDMI mode rather than DVI. This can make audio work in
# DMT (computer monitor) modes
#hdmi_drive=2

# uncomment to increase signal to HDMI, if you have interference, blanking, or
# no display
#config_hdmi_boost=4

# uncomment for composite PAL
#sdtv_mode=2

#uncomment to overclock the arm. 700 MHz is the default.
#arm_freq=800

# Uncomment some or all of these to enable the optional hardware interfaces
#dtparam=i2c_arm=on
#dtparam=i2s=on
#dtparam=spi=on

# Uncomment this to enable the lirc-rpi module
#dtoverlay=lirc-rpi

# Additional overlays and parameters are documented /boot/overlays/README

# Enable audio (loads snd_bcm2835)
dtparam=audio=on
gpu_mem_256=128
gpu_mem_512=256
gpu_mem_1024=256
overscan_scale=1

#overclock
arm_freq=1350
over_voltage=4
temp_limit=80
core_freq=500
sdram_freq=500
v3d_freq=500

lcd_rotate=2

and my HDMI configuration :

# For more options and information see
# http://www.raspberrypi.org/documentation/configuration/config-txt.md
# Some settings may impact device functionality. See link above for details

# uncomment if you get no picture on HDMI for a default "safe" mode
#hdmi_safe=1

# uncomment this if your display has a black border of unused pixels visible
# and your display can output without overscan
#disable_overscan=1

# uncomment the following to adjust overscan. Use positive numbers if console
# goes off screen, and negative if there is too much border
#overscan_left=16
#overscan_right=16
#overscan_top=16
#overscan_bottom=16

# uncomment to force a console size. By default it will be display's size minus
# overscan.
#framebuffer_width=1280
#framebuffer_height=720

# uncomment if hdmi display is not detected and composite is being output
#hdmi_force_hotplug=1

# uncomment to force a specific HDMI mode (this will force VGA)
#hdmi_group=1
#hdmi_mode=1

# uncomment to force a HDMI mode rather than DVI. This can make audio work in
# DMT (computer monitor) modes
hdmi_drive=2

# uncomment to increase signal to HDMI, if you have interference, blanking, or
# no display
#config_hdmi_boost=4

# uncomment for composite PAL
#sdtv_mode=2

#uncomment to overclock the arm. 700 MHz is the default.
#arm_freq=800

# Uncomment some or all of these to enable the optional hardware interfaces
#dtparam=i2c_arm=on
#dtparam=i2s=on
#dtparam=spi=on

# Uncomment this to enable the lirc-rpi module
#dtoverlay=lirc-rpi

# Additional overlays and parameters are documented /boot/overlays/README

# Enable audio (loads snd_bcm2835)
dtparam=audio=on
gpu_mem_256=128
gpu_mem_512=256
gpu_mem_1024=256
overscan_scale=1

#overclock
arm_freq=1350
over_voltage=4
temp_limit=80
core_freq=500
sdram_freq=500
v3d_freq=500

ignore_lcd=1

Alessio

How I can modify the scipt as you said in:

/etc/profile.d/10-emulationstation.sh

Sorry I am nebie. However, have you tried? It work with your screen?

Geox

@Hyell Thanks for your effort, but it doesn't work.

The same happens:
The LCD works and shows everything, until the Retropie logo appears. After that and when emulationstation is loaded, the LCD keep working but now has a blinking cursor and ONLY shows messages from emulationstation (the game is on HDMI), like errors, various settings from emulationstation, legal info for MAME, etc.

If there is a setting to "tell" emulationstation to do the opposite, to start outputting the games on LCD this time and keep HDMI for messages only, it would be nice.