dma_resource Struct Reference

Structure for DMA transfer resource.

#include <dma.h>

Data Fields
dma_callback_t	callback [DMA_CALLBACK_N]
	Array of callback functions for DMA transfer job. More...
uint8_t	callback_enable
	Bit mask for enabled callbacks. More...
uint8_t	channel_id
	Allocated DMA channel ID. More...
DmacDescriptor *	descriptor
	DMA transfer descriptor. More...
enum status_code	job_status
	Status of the last job. More...
uint32_t	transfered_size
	Transferred data size. More...

dma_callback_t dma_resource::callback[DMA_CALLBACK_N]

Array of callback functions for DMA transfer job.

Referenced by dma_register_callback(), dma_unregister_callback(), and DMAC_Handler().

uint8_t dma_resource::callback_enable

Bit mask for enabled callbacks.

Referenced by dma_disable_callback(), dma_enable_callback(), and DMAC_Handler().

uint8_t dma_resource::channel_id

Allocated DMA channel ID.

Referenced by _dma_set_config(), dma_abort_job(), dma_allocate(), dma_disable_callback(), dma_enable_callback(), dma_free(), dma_resume_job(), dma_start_transfer_job(), dma_suspend_job(), dma_trigger_transfer(), and DMAC_Handler().

DmacDescriptor* dma_resource::descriptor

DMA transfer descriptor.

Referenced by dma_add_descriptor(), dma_allocate(), dma_reset_descriptor(), dma_start_transfer_job(), and dma_update_descriptor().

enum status_code dma_resource::job_status

Status of the last job.

Referenced by dma_abort_job(), dma_add_descriptor(), dma_get_job_status(), dma_is_busy(), dma_resume_job(), dma_start_transfer_job(), and DMAC_Handler().

uint32_t dma_resource::transfered_size

Transferred data size.

Referenced by dma_abort_job(), and DMAC_Handler().