The transfer mode depends on the device.
Please refer GpDma function for Transfer mode.
The current version does not support BusMaster and DMA.
It is a mode that all communications use interrupt to communicate.
It is a
mode that data transfer between the GPIB board and memory is done by direct
memory access but not handled directly by the CPU.
The current version does not support DMA.
It is a mode that data transfer uses on-board FIFO memory.
It is a
mode that data transfer between the GPIB board and memory is done by direct
memory access but not handled directly by the CPU.
In DMA mode, memory access uses on-PC DMA controller, whereas, in BusMaster
mode, memory access uses on-board MDA controller.
The current version does not support BusMaster.