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Fail to write I2C tag in DMA mode

DS.4
Senior II

Writing 256 bytes ( full mailbox message ) failes when using I2C in DMA mode. 

I think the max is 255, correct me if I am wrong.

Any way I can write it using 2 messages safely? Or am I restricted to non-DMA I2C write only?



1 ACCEPTED SOLUTION

Accepted Solutions
TDK
Guru
2 REPLIES 2
TDK
Guru

Duplicate:

https://community.st.com/t5/stm32-mcus-products/i2c-with-dma-last-byte-error-written-to-zero-instead-value/td-p/623976

 

If you feel a post has answered your question, please click "Accept as Solution".

Yes, 

There was no option to tag both 

ST25 Dynamic NFC Tags – ST25DV Serie 

and 

I2C, DMA 

 

for same question...