PDK API Guide for J721E
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McASP frame object params.
Mcasp_IOBuf structures are managed by the driver. MCASP buffers are the basis for all I/O operations. 'cmd' field contains the command id for the driver. 'status' is filled in by the driver and contains the status of the commmand.
Data Fields | |
Mcasp_QueueElem | link |
void * | addr |
uint32_t | size |
uintptr_t | arg |
Mcasp_IOcmd_e | cmd |
int32_t | status |
uint32_t | misc |
Mcasp_QueueElem MCASP_Packet::link |
queue link
void* MCASP_Packet::addr |
buffer address
uint32_t MCASP_Packet::size |
buffer size
uintptr_t MCASP_Packet::arg |
arg to be used by end app
Mcasp_IOcmd_e MCASP_Packet::cmd |
command for driver - READ, WRITE, ABORT or FLUSH
int32_t MCASP_Packet::status |
status of command
uint32_t MCASP_Packet::misc |
reserved for driver