Comments (4)
greenbreakfast
commented on June 20, 2024
Yes, we had seen this as well and fixed it in the read-fix branch. It just never got brought to the master branch.
Did it now, will release an updated package soon!
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maxgerhardt
commented on June 20, 2024
Is this true? Seems like it was never merged. There are still offending lines:
https://github.com/OnionIoT/i2c-exp-driver/blob/master/src/lib/onion-i2c.c#L313
Re-discovered these while trying to write a I2C device driver and wondering why my programm keeps crashing with a corrupted stack.
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greenbreakfast
commented on June 20, 2024
The read-fix branch was indeed merged but it only had fixes for the i2c_write() and i2c_readByte() functions. This function, i2c_readRaw(), had the same issue but was overlooked.
In any case, it's fixed now and part of the v0.7 libonioni2c release. Please try it out and let me know if you have any issues.
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maxgerhardt
commented on June 20, 2024
The code looks good now. I was able to remove my workarounds for library bugs and it does work with the newest version! Issue can be closed IMO.
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Related Issues (17)
- Output Verbosity HOT 1
- oled-exp draw command fills the screen with random pixels in the undefined zones.
- Omega I2C driver misses reading without defining register address HOT 2
- Change I2C address
- Error Error relocating /usr/lib/python2.7/OmegaExpansion/onionI2C.so: i2c_writeBufferRaw: symbol not found" HOT 4
- Compilation error: recompile with -fPIC HOT 1
- I2C functions never return an error
- Problem with oled-exp cursor command HOT 2
- setCursor() function in Python module returns "I2C transaction failed." HOT 3
- Timming issues
- Off-By-One Error in i2c_writeBuffer HOT 4
- Document maximum I2C transfer size of 64 bytes HOT 5
- Instructions on how to build/install for Python 3 HOT 2
- Image skewed by OLEC Expansion Control of Control Panel after b236 HOT 14
- OLED_EXP_CHAR_COLUMN not OLED_EXP_CHAR_COLUMNS HOT 1
- oled-exp segmentation fault when using the draw command
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