'''dtoverlay=tc358743'''
If four CSI-2 channels are used to connect C780B to CM3 or CM4 computing module
hardware, the following code should be added.
'''dtoverlay=tc358743,4lane=1'''
2、Use "dmesg | grep CMA" to check the amount of memory allocated to the CMA heap.
3、Restart raspberry pi.If all goes well, you should get a / dev / video0 device.Using "arecord - L" will tell you whether the sound card of tc358743 is loaded correctly.
==Use raspistill to take photos==