Camera (Default Mipi-Csi0 And Mipi-Csi1 Are For Ov5640); Mipi-Csi0 (Tested With Ov5640 + Mini-Sas To Mipi-Csi Cable); Mipi-Csi0 (Tested With Basler Daa3840-30Mc Camera) - Advantech ROM-2620 User Manual

3.11 Camera
3.11.1

MIPI-CSI0 (Tested with OV5640 + mini-SAS to MIPI-CSI Cable)

Step 1: Take pictures
# gst-launch-1.0 v4l2src num-buffers=1 device=/dev/video0 ! video/x-
raw,width=640,height=480 ! jpegenc ! filesink location=sample.jpeg
Step 2: View on panel
# gplay-1.0 sample.jpeg
3.12 PWM
Please use oscilloscope to check waveform.
PWM1:
# echo 4 > /sys/class/pwm/pwmchip0/export
# echo 1000000 > /sys/class/pwm/pwmchip0/pwm4/period
# echo 500000 > /sys/class/pwm/pwmchip0/pwm4/duty_cycle
# echo 1 > /sys/class/pwm/pwmchip0/pwm4/enable
PWM2:
# echo 5 > /sys/class/pwm/pwmchip6/export
# echo 1000000 > /sys/class/pwm/pwmchip6/pwm5/period
# echo 500000 > /sys/class/pwm/pwmchip6/pwm5/duty_cycle
# echo 1 > /sys/class/pwm/pwmchip6/pwm5/enable
PWM3:
# echo 2 > /sys/class/pwm/pwmchip6/export
# echo 1000000 > /sys/class/pwm/pwmchip6/pwm2/period
# echo 500000 > /sys/class/pwm/pwmchip6/pwm2/duty_cycle
# echo 1 > /sys/class/pwm/pwmchip6/pwm2/enable
PWM4:
# echo 3 > /sys/class/pwm/pwmchip6/export
# echo 1000000 > /sys/class/pwm/pwmchip6/pwm3/period
# echo 500000 > /sys/class/pwm/pwmchip6/pwm3/duty_cycle
# echo 1 > /sys/class/pwm/pwmchip6/pwm3/enable
PWM5:
# echo 4 > /sys/class/pwm/pwmchip6/export
# echo 1000000 > /sys/class/pwm/pwmchip6/pwm4/period
# echo 500000 > /sys/class/pwm/pwmchip6/pwm4/duty_cycle
# echo 1 > /sys/class/pwm/pwmchip6/pwm4/enable
43 ROM-2620 User Manual