Difference between revisions of "IoTGateway/BSP/Linux/iMX8/FAQ"
From ESS-WIKI
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== Disable debug console == | == Disable debug console == | ||
| + | |||
For ROM-5720 , ROM-5620, ROM-7720 | For ROM-5720 , ROM-5620, ROM-7720 | ||
| + | |||
*Step 1 | *Step 1 | ||
| + | |||
disable service as below: | disable service as below: | ||
| + | |||
systemctl disable serial-getty@ttymxc0.service | systemctl disable serial-getty@ttymxc0.service | ||
| + | |||
*Step 2 | *Step 2 | ||
| − | Adjust "1" of SW1 to on. | + | |
| − | Then reboot. | + | Adjust "1" of SW1 to on. Then reboot. |
| + | |||
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gst-launch-1.0 filesrc location=HDMI.mp4 ! qtdemux ! h264parse ! vpudec ! '''kmssink''' | gst-launch-1.0 filesrc location=HDMI.mp4 ! qtdemux ! h264parse ! vpudec ! '''kmssink''' | ||
| + | |||
| + | == ROM-5721 Cold reset setup == | ||
| + | If we want to setup cold reset, we have to pull high the MX8MM_IOMUXC_SAI1_RXFS_GPIO4_IO0(default is low). | ||
Latest revision as of 10:49, 26 August 2020
Contents
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
ROM-5721 Cold reset setup
If we want to setup cold reset, we have to pull high the MX8MM_IOMUXC_SAI1_RXFS_GPIO4_IO0(default is low).