stm3240g-eval eeprom(M24C64) issue.
HelloI test external eeprom (M24C64) on the STM3240G-EVAL. But it doesn't work well. HAL_I2C_Mem_WriteBytes() and HAL_I2C_Mem_ReadBytes() return the HAL_OK.But when I check the data[] buffer, the value is all "255".This mean that memory is empty? The...