Error Codes#

Macros#

#define
ECODE_EMDRV_DMADRV_OK (ECODE_OK)

A successful return value.

#define
ECODE_EMDRV_DMADRV_PARAM_ERROR (ECODE_EMDRV_DMADRV_BASE | 0x00000001)

An illegal input parameter.

#define
ECODE_EMDRV_DMADRV_NOT_INITIALIZED (ECODE_EMDRV_DMADRV_BASE | 0x00000002)

DMA is not initialized.

#define
ECODE_EMDRV_DMADRV_ALREADY_INITIALIZED (ECODE_EMDRV_DMADRV_BASE | 0x00000003)

DMA has already been initialized.

#define
ECODE_EMDRV_DMADRV_CHANNELS_EXHAUSTED (ECODE_EMDRV_DMADRV_BASE | 0x00000004)

No DMA channels available.

#define
ECODE_EMDRV_DMADRV_IN_USE (ECODE_EMDRV_DMADRV_BASE | 0x00000005)

DMA is in use.

#define
ECODE_EMDRV_DMADRV_ALREADY_FREED (ECODE_EMDRV_DMADRV_BASE | 0x00000006)

A DMA channel was free.

#define
ECODE_EMDRV_DMADRV_CH_NOT_ALLOCATED (ECODE_EMDRV_DMADRV_BASE | 0x00000007)

A channel is not reserved.