sc223a.md

Smartsens Image Sensor sc223a in OpenIPC

• install sc223a driver
• get 42-45 fps from sc223a
• basic settings for soc gk7205v210
  • gpio settings
  • unlock bootloader
  • flash firmware

Is it really a sc223a?

• There are 3 sensors with same chip id cb3e all seen as sc223a by OpenIPC.
  • sc223a
    • 30 fps
  • sc233a
    • 60 fps
  • sc2239p
    • ?
  • Sensors sold as sc5239s also have Chip ID cb3e.
    • work with sc223a driver
    • can stream 41.25 fps and 42-45 fps
    • My tests are done with it. I am still not sure which sensor this really is.
• So when I say sc223a it means one of the 3 chips with that ID.

Driver source code

• sc223a
  • Shared object library for Goke and Hisilicon socs
  • Kernel module for openingenic socs
• sc233a
  • Kernel module for openingenic socs
• sc2239p
  • Kernel module for openingenic socs

Sensor Clock test on goke soc (gk7205v210)

• fps values may vary depending on your luminance and exposure image settings.

value	fps sc223a	frequency
0x01	37-50	74.25 MHz
0x05	37-50	72 MHz
0x09	42-45	54 MHz
0x0d	26	24 MHz
0x11	41	37.125 MHz
0x15	40	36 MHz
0x19	30	27 MHz
0x1d	13	12 MHz

Set sensor clock on goke boards example

# sc223a: get 42-45 fps 
devmem 0x120100f0 32 0x09