Module esp32c2_hal::dma

Direct Memory Access Commons

Descriptors should be sized as ((BUFFERSIZE + 4091) / 4092) * 3. I.e., to transfer buffers of size 1..=4092, you need 3 descriptors.

Modules

• gdma
  Direct Memory Access

Structs

• Channel
  DMA Channel
• ChannelRx
• ChannelTx

Enums

• DmaError
  DMA Errors
• DmaPeripheral
  DMA capable peripherals The values need to match the TRM
• DmaPriority
  DMA Priorities

Traits

• ChannelTypes
• DmaTransfer
  Trait to be implemented for an in progress dma transfer.
• DmaTransferRxTx
  Trait to be implemented for an in progress dma transfer.
• I2s0Peripheral
  Marks channels as useable for I2S0
• I2s1Peripheral
  Marks channels as useable for I2S1
• I2sPeripheral
  Marks channels as useable for I2S
• PeripheralMarker
  Marker trait
• RegisterAccess
• Rx
  DMA Rx
• RxChannel
• RxPrivate
  The functions here are not meant to be used outside the HAL
• Spi2Peripheral
  Marks channels as useable for SPI2
• SpiPeripheral
  Marks channels as useable for SPI
• Tx
  DMA Tx
• TxChannel
• TxPrivate
  The functions here are not meant to be used outside the HAL