I want to scan (acquire) data from a vehicle can bus.1. Is it possible to prevent the ACK bit from occurring in CAN communication in the MCU?2. If I set the ID to receive all data, won't an ack occur?

STM32L4Q5VGTxP I use the board I made.FUNC 1) HAL_SPI_Transmit(ILI9341_SPI_Handle,&data,1,100);The output waveform is observed with SCLK / MOSI PIN.FUNC 2) HAL_SPI_Transmit_DMA(ILI9341_SPI_Handle,&data,1);Output waveform does not appear with SCLK / M...