Comments (1)
amaork
commented on July 22, 2024
What kind of device and platform you script are running at ?
It does not work, could u describe more specifically. An error occurred or write data and read data does not matched or other ? Probably because of device internal address alignment issue.Reference i2c device technical documents it will helpful.
Please refer i2c_tool.c it read and write both in the same context, it works fine. Set the fifth arg as ioctl it will using "i2c_ioctl_write" and "i2c_ioctl_read" read/write I2C EEROM.
Here is my test on RPi3 Write/Read 24C02 using ioctl API:
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