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DS90UB948-Q1: DS90UB948-Q1 /DS90UB941AS-Q1 Driver Code and Code Description Document support

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Prodigy 20 points
Part Number: DS90UB948-Q1

Tool/software:


For the project with FORVIA, we hope to get technical support:

Provide TI's (DS90UB948-Q1 /DS90UB941ASQ1)  driver code and code description document (driver with I2S and video)

Time is urgent, please TI personnel kindly help and support us, thank you very much!

  • 0
    TI__Mastermind 33415 points

    Hello,

    I have attached an example script for 941-948 with I2S and video. What is your configuration for the 941AS (DSI frequency, video PCLK)? The DSI frequency is required to program the TSKIP_CNT as specified in the 941AS datasheet.

    Best,

    Jack

    Fullscreen 941_948_Forvia.py Download 
    # User must match 8-bit I2C addresses
serAddr = 0x18
desAddr = 0x58

board.WriteI2C(serAddr, 0x01, 0x08) # Disable DSI


#941 I2C and I2S Setup

board.WriteI2C(serAddr,0x3,0x8A) #enable I2C pass through

board.WriteI2C(serAddr,0x10,0x0) #GPIO5 and GPIO6 functional input
board.WriteI2C(serAddr,0x11,0x0) #GPIO7 and GPIO functional input
board.WriteI2C(serAddr,0x12,0x0) #Data Island Transport

# Program TSKIP_CNT on DSI Port 0
board.WriteI2C(serAddr, 0x40, 0x04)
board.WriteI2C(serAddr, 0x41, 0x05)
board.WriteI2C(serAddr, 0x42, ?) # Input Tskip value here
board.WriteI2C(serAddr, 0x01, 0x00) # Enable DSI


#948 GPIO Setup

board.WriteI2C(desAddr,0x5,0x9E) #enable I2C pass through

board.WriteI2C(desAddr,0x20,0x0) #GPIO5 and GPIO6 functional output
board.WriteI2C(desAddr,0x21,0x0) #GPIO7 and GPIO8 functional output