2019-12-26 05:07 PM
hardware I2C: my stm8l152 have two i2c slave device, it works well when does not connect to a oscilloscope.
when connect to oscilloscope, mcu may be stop i think oscilloscope has effect on i2c, I2C communicate by polling
2019-12-28 12:24 AM
An oscilloscope probe should not influence I2C bus. Do you have pull-up resistors on the pins?
2019-12-29 05:07 PM
YES i have
