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Original question:

[RF430CL331H] Host firmware

RF430CL331H: Writing Values using TRF7070A

Saba Eas
Intellectual 300 points
Part Number: RF430CL331H

Hi, 

I am using below code write to a RF430.Could you please help understand below parameters used in function 'void NDEF_updateBinaryText(void)'

1.what do the these lengths mean?

g_pui8TrfBuffer[ui8Offset++] = 0x01; // Length of packet in bytes - upper and middle nibbles of transmit byte length
g_pui8TrfBuffer[ui8Offset++] = 0xF0; // Length of packet in bytes - lower and broken nibbles of transmit byte length

2.What do each of these parameters mean?

g_pui8TrfBuffer[ui8Offset++] = 0x02 | g_bBlockNumberBit; // I-Block PCB: Read Block 0 or Block 1, with CID = 0, NAD = 0, no chaining
g_pui8TrfBuffer[ui8Offset++] = 0x00; // CLA
g_pui8TrfBuffer[ui8Offset++] = 0xD6; // INS = update Binary
g_pui8TrfBuffer[ui8Offset++] = 0x00; // Offset, P1
g_pui8TrfBuffer[ui8Offset++] = 0x02; // Offset, P2

3. What's the functionality of this function?

void NDEF_updateBinaryLength(28);

  • 0
    TI__Genius 13055 points

    Hello Customer, thank you for your question and interest in our products.

    The forum support of this product has been reduced to first reference our existing documentation and collateral. TI does not have plans to stop production or place the device into a “Not Recommended for New Design” status, we genuinely feel most questions on these devices can be answered by reviewing existing collateral and previous questions asked. Please feel free to continue to use this device as you see fit for your applications. For support, please take a look to the “Similar Topics” section at the lower right of the thread page. In addition, please consult the existing collateral in the “Technical Documentation” section of the RF430CL331H product web page along with the Frequently Asked Question document. Alternatively, you can use the search engine of your choice to look for related E2E threads. With each of these resources we believe it will help with your question.