I2C Slave

[asim khan]

when i configured my stm32 board as master then i transmit data but in slave mode it does not..i even tested the i2c example provided by Cube MX ,there also i can only transmit data in master mode,but not in slave mode...any idea please?

[AvaTar]

On the I2C bus, ONLY the master can initiate a transmission.

You need a master on the bus.