• State Resolved
  • Locked Locked
  • Replies 2 replies
  • Answers 1 answer
  • Subscribers 32 subscribers
  • Views 1897 views
  • Users 0 members are here
Support feedback
Options
Options
Related

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.

SN65DSI86: How to access DPCD register by I2C

Jung-Ho Seo
Expert 5940 points
Part Number: SN65DSI86

Hi Experts,

below is an example script of how to access the EDID using direct mode. Customer confirmed this EDID Access is okay. .

 

Customer need an example script of how to access DPCD register like script above ?

Would you help me to get example script of how to access 0x00000h DPCD register below to read data ?   

 

Thanks,

JH.

  • 0
    TI__Mastermind 18655 points

    Hello JH,

    Please, use the attached script.

    Fullscreen I2C_AUX_READ_EDID_16bytechunks.xml Download 
    <aardvark>
    <configure i2c="1" spi="1" gpio="0" tpower="1" pullups="0"/>
    <i2c_bitrate khz="400"/>

======Enable I2C_ADDR_CLAIM1======

   <i2c_write addr="0x2D" count="1" radix="16">60 A1 </i2c_write> <sleep ms="10"/>


   <i2c_write addr="0x2D" count="0" radix="16">74</i2c_write> <sleep ms="10"/>

======Read======
    <i2c_read addr="0x2D" count="1" radix="16">00</i2c_read> <sleep ms="10"/>

======Write EDID base of 00 ======

   <i2c_write addr="0x50" count="0" radix="16">00</i2c_write> <sleep ms="10"/>

======Read EEID1======
    <i2c_read addr="0x50" count="16" radix="16">00</i2c_read> <sleep ms="10"/>

======Read EEID2======
    <i2c_read addr="0x50" count="16" radix="16">00</i2c_read> <sleep ms="10"/>

======Read EEID3======
    <i2c_read addr="0x50" count="16" radix="16">00</i2c_read> <sleep ms="10"/>

======Read EEID4======
    <i2c_read addr="0x50" count="16" radix="16">00</i2c_read> <sleep ms="10"/>

======Read EEID5======
    <i2c_read addr="0x50" count="16" radix="16">00</i2c_read> <sleep ms="10"/>

======Read EEID6======
    <i2c_read addr="0x50" count="16" radix="16">00</i2c_read> <sleep ms="10"/>

======Read EEID7======
    <i2c_read addr="0x50" count="16" radix="16">00</i2c_read> <sleep ms="10"/>

======Read EEID8======
    <i2c_read addr="0x50" count="16" radix="16">00</i2c_read> <sleep ms="10"/>





</aardvark>

    Regards

  • 0 in reply to Joel Jimenez0
    TI__Expert 5940 points

    Hi Joel,

    Very thanks for your kind support.

    Regards,

    JH.