Kinsey Moore started a new discussion on bsps/aarch64/raspberrypi/include/bsp/raspberrypi-dma.h: https://gitlab.rtems.org/rtems/rtos/rtems/-/merge_requests/662#note_128948 > + DMA_CHANNEL_4, > + DMA_CHANNEL_5, > + DMA_CHANNEL_6, > + DMA_LITE_CHANNEL_7, > + DMA_LITE_CHANNEL_8, > + DMA_LITE_CHANNEL_9, > + DMA_LITE_CHANNEL_10, > + DMA4_CHANNEL_11, > + DMA4_CHANNEL_12, > + DMA4_CHANNEL_13, > + DMA4_CHANNEL_14, > +} rpi_dma_channel; > + > +void* rpi_unaligned_mem_to_mem_dma( rpi_dma_channel channel, void *src, > uint32_t length ); > +rtems_status_code rpi_dma_mem_to_mem_start_transfer( rpi_dma_channel > channel ); > +rtems_status_code rpi_dma_mem_to_mem_wait( rpi_dma_channel channel ); _start_transfer and _wait don't need to be transfer-type-specific because they can reference the internal control block which is configured in the transfer-type-specific init. Then additional init types can be added later and use the the same generic start and wait functions. -- View it on GitLab: https://gitlab.rtems.org/rtems/rtos/rtems/-/merge_requests/662#note_128948 You're receiving this email because of your account on gitlab.rtems.org.
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