I have the same issues as with HAL_SPI_TransmitReceive_IT(). In polling mode everything works fine, I handle the NSS, as mentioned  HAL_GPIO_WritePin(GPIOA, SPI1_NSS_Pin, GPIO_PIN_RESET);  data = HAL_SPI_TransmitReceive_IT(&hspi1, tx_data, rx_data, 2...

Hello, Can this issue also be causinig NSS to toggle and bounce in between TxRx? I have been using the HAL_TxRx in polling mode works fine, however, in IT mode, my NSS signal is bouncing many times in between TxRx. Never had this issue before with ot...