Reply To: OSSC not syncing until reconnect
Is there a safe way to detect the issue on fpga-side? One could possible workaround by switching tvp to a dummy input? If I understood correctly, egbhv-input on component terminals would never be possible, so this could be the dummy input. But it depends on proper detection of the issue.
The TVP7002 contains three identical analog channels that are independently programmable. Each channel consists of a clamping circuit, programmable gain control, programmable offset control, and an ADC.
Analog Input Switch Control
TVP7002 has three analog channels that accept up to ten video inputs. The user can configure the internal analog video switches via the I2C interface. The ten analog video inputs can be used for different input configurations, some of which are:
• Up to three SDTV, EDTV, or HDTV component video inputs (limited by number of SOG inputs)
• Up to two 5-wire PC graphics inputs (limited by number of HSYNC and VSYNC inputs)
The input selection is performed by the input select register at I2C subaddress 19h a 1Ah (see Input Mux Select 1 and Input Mux Select 2).
I‘d agree to hit and miss development approach 😉
