Comments (2)
Since there was no reply, I opened the same problem in pico-sdk (raspberrypi/pico-sdk#1519).
Hopefully there are more people who see the issue.
Please reply there. Thanks.
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I was able to solve the problem.
i2cdetect
read from the slave, but I had not implemented this option. This means that the slave detected that it should write something to the bus and blocked the bus. But then it never wrote anything to the bus, so it was permanently blocked.
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Related Issues (7)
- `i2c_write_byte` discards byte if TX FIFO buffer is full HOT 5
- Only with interrupts? HOT 8
- IRQ callback invoked just once? HOT 1
- transfer_in_progress gets stuck to true sometimes at higher bus speeds HOT 1
- I2C_SLAVE_FINISH before transmission is done HOT 2
- Intermittent i2c slave mode errors, interrupts delayed or fired in the wrong order resulting in data corruption
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