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

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(Created page with "== 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 m...")
 
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== Running M4 demo application on i.MX8 ==
 
== Running M4 demo application on i.MX8 ==
  
confirm imx8mq_m4_TCM_hello_world.bin in partition 1  
+
confirm imx8mq_m4_TCM_hello_world.bin in partition 1
  
connect mcu debug port  
+
connect mcu debug port
  
 
u-boot command as below:
 
u-boot command as below:
  
 
boot from emmc
 
boot from emmc
 +
 
  fatload mmc 0:1 0x7e0000 imx8mq_m4_TCM_hello_world.bin     
 
  fatload mmc 0:1 0x7e0000 imx8mq_m4_TCM_hello_world.bin     
 +
 
boot from sd
 
boot from sd
 +
 
  fatload mmc 1:1 0x7e0000 imx8mq_m4_TCM_hello_world.bin   
 
  fatload mmc 1:1 0x7e0000 imx8mq_m4_TCM_hello_world.bin   
 +
 
then
 
then
 +
 
  bootaux 0x7e0000
 
  bootaux 0x7e0000
  
console will show "hello world"
+
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'''

Revision as of 04:04, 8 November 2019

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