--- block/SPI: description: Serial peripheral interface items: - name: CR1 description: control register 1 byte_offset: 0 fieldset: CR1 - name: CR2 description: control register 2 byte_offset: 4 fieldset: CR2 - name: SR description: status register byte_offset: 8 fieldset: SR - name: DR description: data register byte_offset: 12 fieldset: DR - name: CRCPR description: CRC polynomial register byte_offset: 16 fieldset: CRCPR - name: RXCRCR description: RX CRC register byte_offset: 20 access: Read fieldset: RXCRCR - name: TXCRCR description: TX CRC register byte_offset: 24 access: Read fieldset: TXCRCR fieldset/CR1: description: control register 1 fields: - name: CPHA description: Clock phase bit_offset: 0 bit_size: 1 enum: CPHA - name: CPOL description: Clock polarity bit_offset: 1 bit_size: 1 enum: CPOL - name: MSTR description: Master selection bit_offset: 2 bit_size: 1 enum: MSTR - name: BR description: Baud rate control bit_offset: 3 bit_size: 3 enum: BR - name: SPE description: SPI enable bit_offset: 6 bit_size: 1 - name: LSBFIRST description: Frame format bit_offset: 7 bit_size: 1 enum: LSBFIRST - name: SSI description: Internal slave select bit_offset: 8 bit_size: 1 - name: SSM description: Software slave management bit_offset: 9 bit_size: 1 - name: RXONLY description: Receive only bit_offset: 10 bit_size: 1 enum: RXONLY - name: CRCL description: CRC length bit_offset: 11 bit_size: 1 enum: CRCL - name: CRCNEXT description: CRC transfer next bit_offset: 12 bit_size: 1 enum: CRCNEXT - name: CRCEN description: Hardware CRC calculation enable bit_offset: 13 bit_size: 1 - name: BIDIOE description: Output enable in bidirectional mode bit_offset: 14 bit_size: 1 enum: BIDIOE - name: BIDIMODE description: Bidirectional data mode enable bit_offset: 15 bit_size: 1 enum: BIDIMODE fieldset/CR2: description: control register 2 fields: - name: RXDMAEN description: Rx buffer DMA enable bit_offset: 0 bit_size: 1 - name: TXDMAEN description: Tx buffer DMA enable bit_offset: 1 bit_size: 1 - name: SSOE description: SS output enable bit_offset: 2 bit_size: 1 - name: NSSP description: NSS pulse management bit_offset: 3 bit_size: 1 - name: FRF description: Frame format bit_offset: 4 bit_size: 1 enum: FRF - name: ERRIE description: Error interrupt enable bit_offset: 5 bit_size: 1 - name: RXNEIE description: RX buffer not empty interrupt enable bit_offset: 6 bit_size: 1 - name: TXEIE description: Tx buffer empty interrupt enable bit_offset: 7 bit_size: 1 - name: DS description: Data size bit_offset: 8 bit_size: 4 enum: DS - name: FRXTH description: FIFO reception threshold bit_offset: 12 bit_size: 1 enum: FRXTH - name: LDMA_RX description: Last DMA transfer for reception bit_offset: 13 bit_size: 1 enum: LDMA_RX - name: LDMA_TX description: Last DMA transfer for transmission bit_offset: 14 bit_size: 1 enum: LDMA_TX fieldset/CRCPR: description: CRC polynomial register fields: - name: CRCPOLY description: CRC polynomial register bit_offset: 0 bit_size: 16 fieldset/DR: description: data register fields: - name: DR description: Data register bit_offset: 0 bit_size: 16 fieldset/RXCRCR: description: RX CRC register fields: - name: RxCRC description: Rx CRC register bit_offset: 0 bit_size: 16 fieldset/SR: description: status register fields: - name: RXNE description: Receive buffer not empty bit_offset: 0 bit_size: 1 - name: TXE description: Transmit buffer empty bit_offset: 1 bit_size: 1 - name: CRCERR description: CRC error flag bit_offset: 4 bit_size: 1 - name: MODF description: Mode fault bit_offset: 5 bit_size: 1 - name: OVR description: Overrun flag bit_offset: 6 bit_size: 1 - name: BSY description: Busy flag bit_offset: 7 bit_size: 1 - name: FRE description: Frame format error bit_offset: 8 bit_size: 1 enum_read: FRER - name: FRLVL description: FIFO reception level bit_offset: 9 bit_size: 2 enum_read: FRLVLR - name: FTLVL description: FIFO Transmission Level bit_offset: 11 bit_size: 2 enum_read: FTLVLR fieldset/TXCRCR: description: TX CRC register fields: - name: TxCRC description: Tx CRC register bit_offset: 0 bit_size: 16 enum/BIDIMODE: bit_size: 1 variants: - name: Unidirectional description: 2-line unidirectional data mode selected value: 0 - name: Bidirectional description: 1-line bidirectional data mode selected value: 1 enum/BIDIOE: bit_size: 1 variants: - name: OutputDisabled description: Output disabled (receive-only mode) value: 0 - name: OutputEnabled description: Output enabled (transmit-only mode) value: 1 enum/BR: bit_size: 3 variants: - name: Div2 description: f_PCLK / 2 value: 0 - name: Div4 description: f_PCLK / 4 value: 1 - name: Div8 description: f_PCLK / 8 value: 2 - name: Div16 description: f_PCLK / 16 value: 3 - name: Div32 description: f_PCLK / 32 value: 4 - name: Div64 description: f_PCLK / 64 value: 5 - name: Div128 description: f_PCLK / 128 value: 6 - name: Div256 description: f_PCLK / 256 value: 7 enum/CPHA: bit_size: 1 variants: - name: FirstEdge description: The first clock transition is the first data capture edge value: 0 - name: SecondEdge description: The second clock transition is the first data capture edge value: 1 enum/CPOL: bit_size: 1 variants: - name: IdleLow description: CK to 0 when idle value: 0 - name: IdleHigh description: CK to 1 when idle value: 1 enum/CRCL: bit_size: 1 variants: - name: EightBit description: 8-bit CRC length value: 0 - name: SixteenBit description: 16-bit CRC length value: 1 enum/CRCNEXT: bit_size: 1 variants: - name: TxBuffer description: Next transmit value is from Tx buffer value: 0 - name: CRC description: Next transmit value is from Tx CRC register value: 1 enum/DS: bit_size: 4 variants: - name: FourBit description: 4-bit value: 3 - name: FiveBit description: 5-bit value: 4 - name: SixBit description: 6-bit value: 5 - name: SevenBit description: 7-bit value: 6 - name: EightBit description: 8-bit value: 7 - name: NineBit description: 9-bit value: 8 - name: TenBit description: 10-bit value: 9 - name: ElevenBit description: 11-bit value: 10 - name: TwelveBit description: 12-bit value: 11 - name: ThirteenBit description: 13-bit value: 12 - name: FourteenBit description: 14-bit value: 13 - name: FifteenBit description: 15-bit value: 14 - name: SixteenBit description: 16-bit value: 15 enum/FRER: bit_size: 1 variants: - name: NoError description: No frame format error value: 0 - name: Error description: A frame format error occurred value: 1 enum/FRF: bit_size: 1 variants: - name: Motorola description: SPI Motorola mode value: 0 - name: TI description: SPI TI mode value: 1 enum/FRLVLR: bit_size: 2 variants: - name: Empty description: Rx FIFO Empty value: 0 - name: Quarter description: Rx 1/4 FIFO value: 1 - name: Half description: Rx 1/2 FIFO value: 2 - name: Full description: Rx FIFO full value: 3 enum/FRXTH: bit_size: 1 variants: - name: Half description: RXNE event is generated if the FIFO level is greater than or equal to 1/2 (16-bit) value: 0 - name: Quarter description: RXNE event is generated if the FIFO level is greater than or equal to 1/4 (8-bit) value: 1 enum/FTLVLR: bit_size: 2 variants: - name: Empty description: Tx FIFO Empty value: 0 - name: Quarter description: Tx 1/4 FIFO value: 1 - name: Half description: Tx 1/2 FIFO value: 2 - name: Full description: Tx FIFO full value: 3 enum/LDMA_RX: bit_size: 1 variants: - name: Even description: Number of data to transfer for receive is even value: 0 - name: Odd description: Number of data to transfer for receive is odd value: 1 enum/LDMA_TX: bit_size: 1 variants: - name: Even description: Number of data to transfer for transmit is even value: 0 - name: Odd description: Number of data to transfer for transmit is odd value: 1 enum/LSBFIRST: bit_size: 1 variants: - name: MSBFirst description: Data is transmitted/received with the MSB first value: 0 - name: LSBFirst description: Data is transmitted/received with the LSB first value: 1 enum/MSTR: bit_size: 1 variants: - name: Slave description: Slave configuration value: 0 - name: Master description: Master configuration value: 1 enum/RXONLY: bit_size: 1 variants: - name: FullDuplex description: Full duplex (Transmit and receive) value: 0 - name: OutputDisabled description: Output disabled (Receive-only mode) value: 1