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malb0794 · 2024-01-03

Hi everyone! I'm using two uC, STM32F105VCT7TR and MSP430G2452, and I'm establishong an I2C communication between them, with the STM32F105 being the master and MSP430 the slave. For the write operation, the communication works fine. However, when per...

malb0794 · 2024-01-05

I needed to take a little trip, I won't be able to check until next week. As soon as I arrive, I will send a print with the status of the I2C-related registers.However, there is a change only in registering DR and CR1. In CR1 I cannot set the ACK bit...

malb0794 · 2024-01-04

Hi everyone! I managed to read the data following the application note AN2824 (Figure 2, with N = 2). However, I can only perform one reading because, after the reading is finished, it is no longer possible to send the START.

malb0794 · 2024-01-03

The hardware is OK.Boths uC are configured correctly.The value of the pullups is 2k2.

malb0794 · 2024-01-03

I had followed what is written in the reference manual, but I couldn't read it either.Clearing the ACK as suggested keeps reading FF, but now SDA stays high and SCL gets stuck low.

malb0794 · 2024-01-03

Yes, I already checked the hardware and tried reading another register.The hardware is adequate and even changing the register or the number of bytes it is not possible to read it.

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I2C reads FF and stucks

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Re: I2C reads FF and stucks

Re: I2C reads FF and stucks

Re: I2C reads FF and stucks