Hi. Can you tell how you fix it problem please. Is it true to add the following code to main.cvoid HAL_I2C_MemTxCpltCallback(I2C_HandleTypeDef *hi2c){if(hi2c->Instance==hi2c1.Instance){I2C_MasterTransmit_BTF(hi2c);}}

Hi Sergei. Can you tell how you fix it problem please. Is it true to add the following code to main.cvoid HAL_I2C_MemTxCpltCallback(I2C_HandleTypeDef *hi2c){ if(hi2c->Instance==hi2c1.Instance) { I2C_MasterTransmit_BTF(hi2c); }}