This thread has been locked.

If you have a related question, please click the "Ask a related question" button in the top right corner. The newly created question will be automatically linked to this question.

  • TI Thinks Resolved

Linux/DS90UB914A-Q1: DS90UB914A-Q1/913 capture image problem

Prodigy 50 points

Replies: 7

Views: 112

Part Number: DS90UB914A-Q1

Tool/software: Linux

i am using DS90UB914A-Q1/913 camera to capture image

i can receive 913 camera data and save those,but the image is green. like below:

the 913 camera format is ccir601 8bit (UYVY),1280*720.

any idea about dealing with this problem?

thank a lot!

  • the ic is imx6 , the CSI0 Sensor Configuration Register value: CSI_SENS_CONF = 0x00009A00 (External VSYNC mode ,UYVY , 10BIT_DATA_WIDTH,Sensor Protocol:Gated clock mode)

  • In reply to Ben lin:

    Hello Ben,

    please measure the PCLK, VSync and HSync between the Sensor and the Serializer and make sure you have the expected values.

    Also try to change register 0x03 [0] to change the edge of the Pixel clock.

    Regards,

    Hamzeh

    ------------------------------------------------------------------------------------------------------------------------------------------------

    Training on FPD-Link Serializer Deserializer devices and system: https://training.ti.com/fpd-link-learning-center

    More information on IVI or ADAS FPD-Link products: http://www.ti.com/interface/fpd-link-serdes/overview.html

  • In reply to Hamzeh Jaradat:

    between the Sensor and the Serializer PCLK = 66Mhz ,vsync = 25hz,hsync = 16.6khz;the camera can work in qnx-system!

    i have tried to change register 0x03 [0] to change the edge of the Pixel clock.But it still capture the image like before!

  • In reply to Ben lin:

    Have you measured the same parameters at the 914A output? do you see same values?

    Regards,

    Hamzeh

    ------------------------------------------------------------------------------------------------------------------------------------------------

    Training on FPD-Link Serializer Deserializer devices and system: https://training.ti.com/fpd-link-learning-center

    More information on IVI or ADAS FPD-Link products: http://www.ti.com/interface/fpd-link-serdes/overview.html

  • In reply to Hamzeh Jaradat:

    YES, the value 914a output is same as 913a input(pclk, vsync,hsync, and data pin frequence)

  • In reply to Ben lin:

    Can you send your schematics and register dump from both sides (SER and DES) per email so that I can review?

    Regards,

    Hamzeh

    ------------------------------------------------------------------------------------------------------------------------------------------------

    Training on FPD-Link Serializer Deserializer devices and system: https://training.ti.com/fpd-link-learning-center

    More information on IVI or ADAS FPD-Link products: http://www.ti.com/interface/fpd-link-serdes/overview.html

  • In reply to Hamzeh Jaradat:

    it was done!the imx6q bug that all 8 bit data bin must be connected to from csi_data12 to 19!

    otherwish , it will appear this problem!

This thread has been locked.

If you have a related question, please click the "Ask a related question" button in the top right corner. The newly created question will be automatically linked to this question.