Sensoray 2255 Manuel d'utilisateur télécharger pdf (Page 29)

Pointer to last frame

size

size of last frame (if capturing JPEGs)

Returns

0 if frame ready. Non-zero otherwise.

S2255_check_frame_block_ts(HDEVICE hdev, int channel, int timeout, int

*last, int *psize, unsigned int *ts);

Returns 0 if frame is ready on given channel. Stores index of last frame in last and returns

hardware timestamp.

Parameters

hdev

Handle to device

channel

Channel to check(1-4)

timeout

Timeout in ms

last

Pointer to last frame

size

size of last frame (if capturing JPEGs)

ts

timestamp in ms

Returns

0 if frame ready. Non-zero otherwise.

S2255_query_buf(HDEVICE hdev, int channel, int frmnum);

Queries state of frame with index frmnum.

Parameters

hdev

Handle to device

channel

Channel to check(1-4)

frmnum

Frame index to check (0 to SYS_FRAMES - 1)

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