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24 April 2024
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Created page with "== I2C bus snooping == Viewing the I2C communications being done can be useful in finding errors. The data transferred by the system over the I2C bus can be snooped using the kernel's <code>FTRACE</code>. The following settings should be enabled in the kernel in order to access the I2C logs (these are enabled by default in Jetpacks): <pre> CONFIG_FTRACE CONFIG_ENABLE_DEFAULT_TRACERS </pre> To enable the i2c tracing, use the following command: <pre> echo 1 >/sys/kernel..."
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