Difference between revisions of "IoTGateway/BSP/Linux/iMX8/FAQ"

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== Disable debug console ==
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For ROM-5720 , ROM-5620, ROM-7720
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*Step 1
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disable service as below:
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systemctl disable serial-getty@ttymxc0.service
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*Step 2
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Adjust "1" of SW1 to on.
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Then reboot.
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 +
 
== Running M4 demo application on i.MX8 ==
 
== Running M4 demo application on i.MX8 ==
  
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== iMX8MQ Dual Display ==
 
== iMX8MQ Dual Display ==
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*Connect HDMI and MIPI to HDMI cable
 
*Connect HDMI and MIPI to HDMI cable
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  setenv mmcargs setenv bootargs ${jh_clk} console=${console} modprobe.blacklist=${modprobe.blacklist} root=${mmcroot}
 
  setenv mmcargs setenv bootargs ${jh_clk} console=${console} modprobe.blacklist=${modprobe.blacklist} root=${mmcroot}
 
  setenv fdt_file adv-imx8mq-rom5720-a1-dual-display.dtb
 
  setenv fdt_file adv-imx8mq-rom5720-a1-dual-display.dtb
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*Then weston will show on MIPI to HDMI
 
*Then weston will show on MIPI to HDMI
 
*Playback video on MIPI to HDMI
 
*Playback video on MIPI to HDMI
  gst-launch-1.0 filesrc location=HDMI.mp4 ! qtdemux ! h264parse ! vpudec ! '''waylandsink'''
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  gst-launch-1.0 filesrc location=HDMI.mp4 ! qtdemux ! h264parse ! vpudec ! '''waylandsink'''
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*Playback video on HDMI
 
*Playback video on HDMI
  gst-launch-1.0 filesrc location=HDMI.mp4 ! qtdemux ! h264parse ! vpudec ! '''kmssink'''
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  gst-launch-1.0 filesrc location=HDMI.mp4 ! qtdemux ! h264parse ! vpudec ! '''kmssink'''

Revision as of 07:04, 13 December 2019

Disable debug console

For ROM-5720 , ROM-5620, ROM-7720

  • Step 1

disable service as below:

systemctl disable serial-getty@ttymxc0.service
  • Step 2

Adjust "1" of SW1 to on. Then reboot.


Running M4 demo application on i.MX8

confirm imx8mq_m4_TCM_hello_world.bin in partition 1

connect mcu debug port

u-boot command as below:

boot from emmc

fatload mmc 0:1 0x7e0000 imx8mq_m4_TCM_hello_world.bin    

boot from sd

fatload mmc 1:1 0x7e0000 imx8mq_m4_TCM_hello_world.bin  

then

bootaux 0x7e0000

console will show "hello world"

iMX8MQ Dual Display

  • Connect HDMI and MIPI to HDMI cable
setenv mmcargs setenv bootargs ${jh_clk} console=${console} modprobe.blacklist=${modprobe.blacklist} root=${mmcroot}
setenv fdt_file adv-imx8mq-rom5720-a1-dual-display.dtb
  • Then weston will show on MIPI to HDMI
  • Playback video on MIPI to HDMI
gst-launch-1.0 filesrc location=HDMI.mp4 ! qtdemux ! h264parse ! vpudec ! waylandsink
  • Playback video on HDMI
gst-launch-1.0 filesrc location=HDMI.mp4 ! qtdemux ! h264parse ! vpudec ! kmssink