Hello Champs,
In the I2C driver of SDK7.3, the I2C controller will recovery bus by generate 9 clocks on SCL when the I2C bus is abnormal(SDA signal is always low)
I2C driver: ti/drv/i2c/src/v1/I2C_v1.c, recovery interface:I2C_v1_recoverBus
I2C_v1_recoverBus is called When the I2C bus is idle, and 9 clock signals are generated, but SDA remains low
Why is the SDA signal change from high to low when recovery I2C bus. This will cause the recovery bus failed
Thanks
Regards
Shine