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BQ76952: BQ76952 Programming by Host

wirote th
Prodigy 10 points
Part Number: BQ76952

Other Parts Discussed in Thread: BQSTUDIO

1. I don't have complete information. In any programming spi-protocol,example
SLUAA11A-BQ76952 Software Development Guide.

2.Request an example of spi-protojol programming, writing commands (16-bit)

3.Settings What are the steps sequence ?

  • 0
    TI__Guru* 81035 points

    Hi,

    Have you looked at the Code Examples in the BQ76952 product folder (https://www.ti.com/product/BQ76952#software-development )? SPI examples are included. 

    Regards,

    Matt

  • 0 in reply to Matt Sunna
    TI__Expert 4680 points

    Hi Matt,

    I believe Wirote is aware of the product folder, however, he wants to have the full access to the code. 

    For example:

    Do you have the complete code (Subcommand 16bit) which you could share with us via email? 

    Thanks. 

  • 0 in reply to Ernest Yong
    TI__Genius 11335 points

    Hey Ernest,

    While I am not aware of any other SPI code, Matt might have an idea of where to look. Unfortunately he is out of office today.

    As far as I'm aware, the only full example code that is available is the I2C code at the bottom of the document. SPI isn't a very widely used communications protocol on this device, so we haven't created much material for it. Subcommands should work the same way that they do on I2C, however. You could follow the I2C guide if you are having trouble using subcommands.

    Thanks,
    Caleb

  • 0 in reply to Caleb Perez
    TI__Guru* 81035 points

    Hi Ernest,

    This example was created using the Command Sequence window in BQStudio. It just is doing a 1 byte read from 0x9261 (first write to 0x3E the data 0x61 0x92, then read one byte from 0x40 to see the result). 

    So here is how you would do this in code:

    TX_Reg[0] = 0x61

    TX_Reg[1] = 0x92

    SPI_WriteReg(0x3E, TX_Reg, 2);

    delayUS(2000);

    SPI_ReadReg(0x40, RX_data, 1);

    Best regards,

    Matt