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stm32-data/data/registers/usart_v2.yaml
Dario Nieuwenhuis b41649019c Merge pull request #154 from sinewave-ee/fix-ixr 
USARTv2 split ixr into icr and isr
2022-08-18 15:40:41 +02:00

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---
block/USART:
description: Universal synchronous asynchronous receiver transmitter
items:
- name: CR1
description: Control register 1
byte_offset: 0
fieldset: CR1
- name: CR2
description: Control register 2
byte_offset: 4
fieldset: CR2
- name: CR3
description: Control register 3
byte_offset: 8
fieldset: CR3
- name: BRR
description: Baud rate register
byte_offset: 12
fieldset: BRR
- name: GTPR
description: Guard time and prescaler register
byte_offset: 16
fieldset: GTPR
- name: RTOR
description: Receiver timeout register
byte_offset: 20
fieldset: RTOR
- name: RQR
description: Request register
byte_offset: 24
access: Write
fieldset: RQR
- name: ISR
description: Interrupt & status register
byte_offset: 28
access: Read
fieldset: ISR
- name: ICR
description: Interrupt flag clear register
byte_offset: 32
access: Write
fieldset: ICR
- name: RDR
description: Receive data register
byte_offset: 36
access: Read
fieldset: DR
- name: TDR
description: Transmit data register
byte_offset: 40
access: Write
fieldset: DR
fieldset/BRR:
description: Baud rate register
fields:
- name: BRR
description: mantissa of USARTDIV
bit_offset: 0
bit_size: 16
fieldset/CR1:
description: Control register 1
fields:
- name: UE
description: USART enable
bit_offset: 0
bit_size: 1
- name: UESM
description: USART enable in Stop mode
bit_offset: 1
bit_size: 1
- name: RE
description: Receiver enable
bit_offset: 2
bit_size: 1
- name: TE
description: Transmitter enable
bit_offset: 3
bit_size: 1
- name: IDLEIE
description: IDLE interrupt enable
bit_offset: 4
bit_size: 1
- name: RXNEIE
description: RXNE interrupt enable
bit_offset: 5
bit_size: 1
- name: TCIE
description: Transmission complete interrupt enable
bit_offset: 6
bit_size: 1
- name: TXEIE
description: TXE interrupt enable
bit_offset: 7
bit_size: 1
- name: PEIE
description: PE interrupt enable
bit_offset: 8
bit_size: 1
- name: PS
description: Parity selection
bit_offset: 9
bit_size: 1
enum: PS
- name: PCE
description: Parity control enable
bit_offset: 10
bit_size: 1
- name: WAKE
description: Receiver wakeup method
bit_offset: 11
bit_size: 1
enum: WAKE
- name: M0
description: Word length
bit_offset: 12
bit_size: 1
enum: M0
- name: MME
description: Mute mode enable
bit_offset: 13
bit_size: 1
- name: CMIE
description: Character match interrupt enable
bit_offset: 14
bit_size: 1
- name: OVER
description: Oversampling mode
bit_offset: 15
bit_size: 1
array:
len: 1
stride: 0
enum: OVER
- name: DEDT
description: Driver Enable deassertion time
bit_offset: 16
bit_size: 5
- name: DEAT
description: Driver Enable assertion time
bit_offset: 21
bit_size: 5
- name: RTOIE
description: Receiver timeout interrupt enable
bit_offset: 26
bit_size: 1
- name: EOBIE
description: End of Block interrupt enable
bit_offset: 27
bit_size: 1
- name: M1
description: Word length
bit_offset: 28
bit_size: 1
enum: M1
fieldset/CR2:
description: Control register 2
fields:
- name: ADDM
description: 7-bit Address Detection/4-bit Address Detection
bit_offset: 4
bit_size: 1
array:
len: 1
stride: 0
enum: ADDM
- name: LBDL
description: Line break detection length
bit_offset: 5
bit_size: 1
enum: LBDL
- name: LBDIE
description: LIN break detection interrupt enable
bit_offset: 6
bit_size: 1
- name: LBCL
description: Last bit clock pulse
bit_offset: 8
bit_size: 1
- name: CPHA
description: Clock phase
bit_offset: 9
bit_size: 1
enum: CPHA
- name: CPOL
description: Clock polarity
bit_offset: 10
bit_size: 1
enum: CPOL
- name: CLKEN
description: Clock enable
bit_offset: 11
bit_size: 1
- name: STOP
description: STOP bits
bit_offset: 12
bit_size: 2
enum: STOP
- name: LINEN
description: LIN mode enable
bit_offset: 14
bit_size: 1
- name: SWAP
description: Swap TX/RX pins
bit_offset: 15
bit_size: 1
- name: RXINV
description: RX pin active level inversion
bit_offset: 16
bit_size: 1
- name: TXINV
description: TX pin active level inversion
bit_offset: 17
bit_size: 1
- name: DATAINV
description: Binary data inversion
bit_offset: 18
bit_size: 1
- name: MSBFIRST
description: Most significant bit first
bit_offset: 19
bit_size: 1
enum: MSBFIRST
- name: ABREN
description: Auto baud rate enable
bit_offset: 20
bit_size: 1
- name: ABRMOD
description: Auto baud rate mode
bit_offset: 21
bit_size: 2
enum: ABRMOD
- name: RTOEN
description: Receiver timeout enable
bit_offset: 23
bit_size: 1
- name: ADD
description: Address of the USART node
bit_offset: 24
bit_size: 8
fieldset/CR3:
description: Control register 3
fields:
- name: EIE
description: Error interrupt enable
bit_offset: 0
bit_size: 1
- name: IREN
description: IrDA mode enable
bit_offset: 1
bit_size: 1
- name: IRLP
description: IrDA low-power
bit_offset: 2
bit_size: 1
enum: IRLP
- name: HDSEL
description: Half-duplex selection
bit_offset: 3
bit_size: 1
- name: NACK
description: Smartcard NACK enable
bit_offset: 4
bit_size: 1
- name: SCEN
description: Smartcard mode enable
bit_offset: 5
bit_size: 1
- name: DMAR
description: DMA enable receiver
bit_offset: 6
bit_size: 1
- name: DMAT
description: DMA enable transmitter
bit_offset: 7
bit_size: 1
- name: RTSE
description: RTS enable
bit_offset: 8
bit_size: 1
- name: CTSE
description: CTS enable
bit_offset: 9
bit_size: 1
- name: CTSIE
description: CTS interrupt enable
bit_offset: 10
bit_size: 1
- name: ONEBIT
description: One sample bit method enable
bit_offset: 11
bit_size: 1
enum: ONEBIT
- name: OVRDIS
description: Overrun Disable
bit_offset: 12
bit_size: 1
- name: DDRE
description: DMA Disable on Reception Error
bit_offset: 13
bit_size: 1
- name: DEM
description: Driver enable mode
bit_offset: 14
bit_size: 1
- name: DEP
description: Driver enable polarity selection
bit_offset: 15
bit_size: 1
enum: DEP
- name: SCARCNT
description: Smartcard auto-retry count
bit_offset: 17
bit_size: 3
- name: WUS
description: Wakeup from Stop mode interrupt flag selection
bit_offset: 20
bit_size: 2
enum: WUS
- name: WUFIE
description: Wakeup from Stop mode interrupt enable
bit_offset: 22
bit_size: 1
fieldset/DR:
description: Data register
fields:
- name: DR
description: Data value
bit_offset: 0
bit_size: 9
fieldset/GTPR:
description: Guard time and prescaler register
fields:
- name: PSC
description: Prescaler value
bit_offset: 0
bit_size: 8
- name: GT
description: Guard time value
bit_offset: 8
bit_size: 8
fieldset/ISR:
description: Interrupt & status register
fields:
- name: PE
description: Parity error
bit_offset: 0
bit_size: 1
- name: FE
description: Framing error
bit_offset: 1
bit_size: 1
- name: NE
description: Noise error flag
bit_offset: 2
bit_size: 1
- name: ORE
description: Overrun error
bit_offset: 3
bit_size: 1
- name: IDLE
description: Idle line detected
bit_offset: 4
bit_size: 1
- name: RXNE
description: Read data register not empty
bit_offset: 5
bit_size: 1
- name: TC
description: Transmission complete
bit_offset: 6
bit_size: 1
- name: TXE
description: Transmit data register empty
bit_offset: 7
bit_size: 1
- name: LBD
description: LIN break detection flag
bit_offset: 8
bit_size: 1
- name: CTSIF
description: CTS interrupt flag
bit_offset: 9
bit_size: 1
- name: CTS
description: CTS flag
bit_offset: 10
bit_size: 1
- name: RTOF
description: Receiver timeout
bit_offset: 11
bit_size: 1
- name: EOBF
description: End of block flag
bit_offset: 12
bit_size: 1
- name: ABRE
description: Auto baud rate error
bit_offset: 14
bit_size: 1
- name: ABRF
description: Auto baud rate flag
bit_offset: 15
bit_size: 1
- name: BUSY
description: Busy flag
bit_offset: 16
bit_size: 1
- name: CMF
description: character match flag
bit_offset: 17
bit_size: 1
- name: SBKF
description: Send break flag
bit_offset: 18
bit_size: 1
- name: RWU
description: Receiver wakeup from Mute mode
bit_offset: 19
bit_size: 1
enum: RWU
- name: WUF
description: Wakeup from Stop mode flag
bit_offset: 20
bit_size: 1
- name: TEACK
description: Transmit enable acknowledge flag
bit_offset: 21
bit_size: 1
- name: REACK
description: Receive enable acknowledge flag
bit_offset: 22
bit_size: 1
fieldset/ICR:
description: Interrupt flag clear register
fields:
- name: PE
description: Parity error clear flag
bit_offset: 0
bit_size: 1
- name: FE
description: Framing error clear flag
bit_offset: 1
bit_size: 1
- name: NE
description: Noise error clear flag
bit_offset: 2
bit_size: 1
- name: ORE
description: Overrun error clear flag
bit_offset: 3
bit_size: 1
- name: IDLE
description: Idle line detected clear flag
bit_offset: 4
bit_size: 1
- name: TC
description: Transmission complete clear flag
bit_offset: 6
bit_size: 1
- name: LBD
description: LIN break detection clear flag
bit_offset: 8
bit_size: 1
- name: CTS
description: CTS clear flag
bit_offset: 9
bit_size: 1
- name: RTOF
description: Receiver timeout clear flag
bit_offset: 11
bit_size: 1
- name: EOBF
description: End of block clear flag
bit_offset: 12
bit_size: 1
- name: CMF
description: Character match clear flag
bit_offset: 17
bit_size: 1
- name: WUF
description: Wakeup from Stop mode clear flag
bit_offset: 20
bit_size: 1
fieldset/RQR:
description: Request register
fields:
- name: ABRRQ
description: Auto baud rate request. Resets the ABRF flag in the USART_ISR and request an automatic baud rate measurement on the next received data frame.
bit_offset: 0
bit_size: 1
- name: SBKRQ
description: "Send break request. Sets the SBKF flag and request to send a BREAK on the line, as soon as the transmit machine is available"
bit_offset: 1
bit_size: 1
- name: MMRQ
description: Mute mode request. Puts the USART in mute mode and sets the RWU flag.
bit_offset: 2
bit_size: 1
- name: RXFRQ
description: "Receive data flush request. Clears the RXNE flag. This allows to discard the received data without reading it, and avoid an overrun condition"
bit_offset: 3
bit_size: 1
- name: TXFRQ
description: Transmit data flush request. Sets the TXE flags. This allows to discard the transmit data.
bit_offset: 4
bit_size: 1
fieldset/RTOR:
description: Receiver timeout register
fields:
- name: RTO
description: Receiver timeout value
bit_offset: 0
bit_size: 24
- name: BLEN
description: Block Length
bit_offset: 24
bit_size: 8
enum/ABRMOD:
bit_size: 2
variants:
- name: Start
description: Measurement of the start bit is used to detect the baud rate
value: 0
- name: Edge
description: Falling edge to falling edge measurement
value: 1
- name: Frame7F
description: "0x7F frame detection"
value: 2
- name: Frame55
description: "0x55 frame detection"
value: 3
enum/ADDM:
bit_size: 1
variants:
- name: Bit4
description: 4-bit address detection
value: 0
- name: Bit7
description: 7-bit address detection
value: 1
enum/CPHA:
bit_size: 1
variants:
- name: First
description: The first clock transition is the first data capture edge
value: 0
- name: Second
description: The second clock transition is the first data capture edge
value: 1
enum/CPOL:
bit_size: 1
variants:
- name: Low
description: Steady low value on CK pin outside transmission window
value: 0
- name: High
description: Steady high value on CK pin outside transmission window
value: 1
enum/DEP:
bit_size: 1
variants:
- name: High
description: DE signal is active high
value: 0
- name: Low
description: DE signal is active low
value: 1
enum/IRLP:
bit_size: 1
variants:
- name: Normal
description: Normal mode
value: 0
- name: LowPower
description: Low-power mode
value: 1
enum/LBDL:
bit_size: 1
variants:
- name: Bit10
description: 10-bit break detection
value: 0
- name: Bit11
description: 11-bit break detection
value: 1
enum/M0:
bit_size: 1
variants:
- name: Bit8
description: "1 start bit, 8 data bits, n stop bits"
value: 0
- name: Bit9
description: "1 start bit, 9 data bits, n stop bits"
value: 1
enum/M1:
bit_size: 1
variants:
- name: M0
description: Use M0 to set the data bits
value: 0
- name: Bit7
description: "1 start bit, 7 data bits, n stop bits"
value: 1
enum/MSBFIRST:
bit_size: 1
variants:
- name: LSB
description: "data is transmitted/received with data bit 0 first, following the start bit"
value: 0
- name: MSB
description: "data is transmitted/received with MSB (bit 7/8/9) first, following the start bit"
value: 1
enum/ONEBIT:
bit_size: 1
variants:
- name: Sample3
description: Three sample bit method
value: 0
- name: Sample1
description: One sample bit method
value: 1
enum/OVER:
bit_size: 1
variants:
- name: Oversampling16
description: Oversampling by 16
value: 0
- name: Oversampling8
description: Oversampling by 8
value: 1
enum/PS:
bit_size: 1
variants:
- name: Even
description: Even parity
value: 0
- name: Odd
description: Odd parity
value: 1
enum/RWU:
bit_size: 1
variants:
- name: Active
description: Receiver in active mode
value: 0
- name: Mute
description: Receiver in mute mode
value: 1
enum/STOP:
bit_size: 2
variants:
- name: Stop1
description: 1 stop bit
value: 0
- name: Stop0p5
description: 0.5 stop bit
value: 1
- name: Stop2
description: 2 stop bit
value: 2
- name: Stop1p5
description: 1.5 stop bit
value: 3
enum/WAKE:
bit_size: 1
variants:
- name: IdleLine
description: USART wakeup on idle line
value: 0
- name: AddressMark
description: USART wakeup on address mark
value: 1
enum/WUS:
bit_size: 2
variants:
- name: Address
description: WUF active on address match
value: 0
- name: Start
description: WuF active on Start bit detection
value: 2
- name: RXNE
description: WUF active on RXNE
value: 3
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