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stm32-data/data/registers/dma_v2.yaml
Dario Nieuwenhuis 69b1c6a96c Add the thing
2021-04-15 04:42:04 +02:00

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---
block/DMA:
description: DMA controller
items:
- name: ISR
description: low interrupt status register
array:
len: 2
stride: 4
byte_offset: 0
reset_value: 0
access: Read
fieldset: ISR
- name: IFCR
description: low interrupt flag clear register
array:
len: 2
stride: 4
byte_offset: 8
reset_value: 0
access: Write
fieldset: IFCR
- name: ST
description: "Stream cluster: S?CR, S?NDTR, S?M0AR, S?M1AR and S?FCR registers"
array:
len: 8
stride: 24
byte_offset: 16
block: ST
block/ST:
description: "Stream cluster: S?CR, S?NDTR, S?M0AR, S?M1AR and S?FCR registers"
items:
- name: CR
description: stream x configuration register
byte_offset: 0
reset_value: 0
fieldset: CR
- name: NDTR
description: stream x number of data register
byte_offset: 4
reset_value: 0
fieldset: NDTR
- name: PAR
description: stream x peripheral address register
byte_offset: 8
reset_value: 0
- name: M0AR
description: stream x memory 0 address register
byte_offset: 12
reset_value: 0
- name: M1AR
description: stream x memory 1 address register
byte_offset: 16
reset_value: 0
- name: FCR
description: stream x FIFO control register
byte_offset: 20
reset_value: 33
fieldset: FCR
fieldset/CR:
description: stream x configuration register
fields:
- name: EN
description: Stream enable / flag stream ready when read low
bit_offset: 0
bit_size: 1
- name: DMEIE
description: Direct mode error interrupt enable
bit_offset: 1
bit_size: 1
- name: TEIE
description: Transfer error interrupt enable
bit_offset: 2
bit_size: 1
- name: HTIE
description: Half transfer interrupt enable
bit_offset: 3
bit_size: 1
- name: TCIE
description: Transfer complete interrupt enable
bit_offset: 4
bit_size: 1
- name: PFCTRL
description: Peripheral flow controller
bit_offset: 5
bit_size: 1
enum: PFCTRL
- name: DIR
description: Data transfer direction
bit_offset: 6
bit_size: 2
enum: DIR
- name: CIRC
description: Circular mode
bit_offset: 8
bit_size: 1
enum: CIRC
- name: PINC
description: Peripheral increment mode
bit_offset: 9
bit_size: 1
enum: INC
- name: MINC
description: Memory increment mode
bit_offset: 10
bit_size: 1
enum: INC
- name: PSIZE
description: Peripheral data size
bit_offset: 11
bit_size: 2
enum: SIZE
- name: MSIZE
description: Memory data size
bit_offset: 13
bit_size: 2
enum: SIZE
- name: PINCOS
description: Peripheral increment offset size
bit_offset: 15
bit_size: 1
enum: PINCOS
- name: PL
description: Priority level
bit_offset: 16
bit_size: 2
enum: PL
- name: DBM
description: Double buffer mode
bit_offset: 18
bit_size: 1
enum: DBM
- name: CT
description: Current target (only in double buffer mode)
bit_offset: 19
bit_size: 1
enum: CT
- name: PBURST
description: Peripheral burst transfer configuration
bit_offset: 21
bit_size: 2
enum: BURST
- name: MBURST
description: Memory burst transfer configuration
bit_offset: 23
bit_size: 2
enum: BURST
- name: CHSEL
description: Channel selection
bit_offset: 25
bit_size: 4
fieldset/FCR:
description: stream x FIFO control register
fields:
- name: FTH
description: FIFO threshold selection
bit_offset: 0
bit_size: 2
enum: FTH
- name: DMDIS
description: Direct mode disable
bit_offset: 2
bit_size: 1
enum: DMDIS
- name: FS
description: FIFO status
bit_offset: 3
bit_size: 3
enum: FS
- name: FEIE
description: FIFO error interrupt enable
bit_offset: 7
bit_size: 1
fieldset/IFCR:
description: low interrupt flag clear register
fields:
- name: CFEIF
description: Stream x clear FIFO error interrupt flag (x = 3..0)
bit_offset: 0
bit_size: 1
array:
offsets:
- 0
- 6
- 16
- 22
- name: CDMEIF
description: Stream x clear direct mode error interrupt flag (x = 3..0)
bit_offset: 2
bit_size: 1
array:
offsets:
- 0
- 6
- 16
- 22
- name: CTEIF
description: Stream x clear transfer error interrupt flag (x = 3..0)
bit_offset: 3
bit_size: 1
array:
offsets:
- 0
- 6
- 16
- 22
- name: CHTIF
description: Stream x clear half transfer interrupt flag (x = 3..0)
bit_offset: 4
bit_size: 1
array:
offsets:
- 0
- 6
- 16
- 22
- name: CTCIF
description: Stream x clear transfer complete interrupt flag (x = 3..0)
bit_offset: 5
bit_size: 1
array:
offsets:
- 0
- 6
- 16
- 22
fieldset/ISR:
description: low interrupt status register
fields:
- name: FEIF
description: Stream x FIFO error interrupt flag (x=3..0)
bit_offset: 0
bit_size: 1
array:
offsets:
- 0
- 6
- 16
- 22
- name: DMEIF
description: Stream x direct mode error interrupt flag (x=3..0)
bit_offset: 2
bit_size: 1
array:
offsets:
- 0
- 6
- 16
- 22
- name: TEIF
description: Stream x transfer error interrupt flag (x=3..0)
bit_offset: 3
bit_size: 1
array:
offsets:
- 0
- 6
- 16
- 22
- name: HTIF
description: Stream x half transfer interrupt flag (x=3..0)
bit_offset: 4
bit_size: 1
array:
offsets:
- 0
- 6
- 16
- 22
- name: TCIF
description: Stream x transfer complete interrupt flag (x = 3..0)
bit_offset: 5
bit_size: 1
array:
offsets:
- 0
- 6
- 16
- 22
fieldset/NDTR:
description: stream x number of data register
fields:
- name: NDT
description: Number of data items to transfer
bit_offset: 0
bit_size: 16
enum/CIRC:
bit_size: 1
variants:
- name: Disabled
description: Circular mode disabled
value: 0
- name: Enabled
description: Circular mode enabled
value: 1
enum/CT:
bit_size: 1
variants:
- name: Memory0
description: The current target memory is Memory 0
value: 0
- name: Memory1
description: The current target memory is Memory 1
value: 1
enum/DBM:
bit_size: 1
variants:
- name: Disabled
description: No buffer switching at the end of transfer
value: 0
- name: Enabled
description: Memory target switched at the end of the DMA transfer
value: 1
enum/DIR:
bit_size: 2
variants:
- name: PeripheralToMemory
description: Peripheral-to-memory
value: 0
- name: MemoryToPeripheral
description: Memory-to-peripheral
value: 1
- name: MemoryToMemory
description: Memory-to-memory
value: 2
enum/DMDIS:
bit_size: 1
variants:
- name: Enabled
description: Direct mode is enabled
value: 0
- name: Disabled
description: Direct mode is disabled
value: 1
enum/FS:
bit_size: 3
variants:
- name: Quarter1
description: 0 < fifo_level < 1/4
value: 0
- name: Quarter2
description: 1/4 <= fifo_level < 1/2
value: 1
- name: Quarter3
description: 1/2 <= fifo_level < 3/4
value: 2
- name: Quarter4
description: 3/4 <= fifo_level < full
value: 3
- name: Empty
description: FIFO is empty
value: 4
- name: Full
description: FIFO is full
value: 5
enum/FTH:
bit_size: 2
variants:
- name: Quarter
description: 1/4 full FIFO
value: 0
- name: Half
description: 1/2 full FIFO
value: 1
- name: ThreeQuarters
description: 3/4 full FIFO
value: 2
- name: Full
description: Full FIFO
value: 3
enum/BURST:
bit_size: 2
variants:
- name: Single
description: Single transfer
value: 0
- name: INCR4
description: Incremental burst of 4 beats
value: 1
- name: INCR8
description: Incremental burst of 8 beats
value: 2
- name: INCR16
description: Incremental burst of 16 beats
value: 3
enum/INC:
bit_size: 1
variants:
- name: Fixed
description: Address pointer is fixed
value: 0
- name: Incremented
description: Address pointer is incremented after each data transfer
value: 1
enum/SIZE:
bit_size: 2
variants:
- name: Bits8
description: Byte (8-bit)
value: 0
- name: Bits16
description: Half-word (16-bit)
value: 1
- name: Bits32
description: Word (32-bit)
value: 2
enum/PFCTRL:
bit_size: 1
variants:
- name: DMA
description: The DMA is the flow controller
value: 0
- name: Peripheral
description: The peripheral is the flow controller
value: 1
enum/PINCOS:
bit_size: 1
variants:
- name: PSIZE
description: The offset size for the peripheral address calculation is linked to the PSIZE
value: 0
- name: Fixed4
description: The offset size for the peripheral address calculation is fixed to 4 (32-bit alignment)
value: 1
enum/PL:
bit_size: 2
variants:
- name: Low
description: Low
value: 0
- name: Medium
description: Medium
value: 1
- name: High
description: High
value: 2
- name: VeryHigh
description: Very high
value: 3
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