About JAdol.1

JAdol.1 · 2021-01-27

I want to do i2c writes > 255 bytes using DMA with an STM32L451, but fail to use the I2C_CR2_RELOAD flag properly it seems.I end up with an address byte when the transmission continues.How should it be done using the raw register defines.Currently I...

JAdol.1 · 2021-01-27

Removing the _ax_i2c1_reset(), helped a bit. There is no address in the continuation any more, but there comes a new Write cycle that is NAK:ed immediatly follow the intended write.

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Long i2c writes > 255 bytes using DMA using I2C_CR2_RELOAD flag gives address in continuation data

Re: Long i2c writes > 255 bytes using DMA using I2C_CR2_RELOAD flag gives address in continuation data