pcitool/docs

Supported environmental variables
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PCILIB_MODEL - defines the requested model (is overriden with -m option)
PCILIB_PLUGIN_DIR - override path to directory with plugins

PCILIB_DEBUG_DMA - Enable DMA debugging
PCILIB_DEBUG_MISSING_EVENTS - Enable debugging of missing events (frames for instance)
PCILIB_DEBUG_VIEWS - Enable debugging of computations performed to support register views and units
IPECAMERA_DEBUG_BROKEN_FRAMES - Store broken frames in the specified directory (variable may specify directory)
IPECAMERA_DEBUG_RAW_PACKETS - Store all raw packets read from DMA grouped in frames (variable may specify directory)
IPECAMERA_DEBUG_RAW_FRAMES - Store all raw frames (variable may specify directory)
IPECAMERA_DEBUG_HARDWARE - Produce various debugging information about ipecamera operation
IPECAMERA_DEBUG_FRAME_HEADERS - Print headers of each frame
IPECAMERA_DEBUG_API - Print messages while entering and finishing standard API calls

PCILIB_BENCHMARK_HARDWARE - Remove all unnecessary software processing (like copying memcpy) to check hardware performance
PCILIB_BENCHMARK_STREAMING - Emulate streaming mode while benchmarking DMA engines