Sensoray 512 QNX Uživatelský manuál

SENSORAY CO., INC. PC/104 Frame Grabber Model 512 (QNX) April 18, 2002  Sensoray 2001 7313 SW Tech Center Dr. Tigard, OR 97223 Phone

10The function initializes the driver, searches for and initializes all boards supported by the Library. This function has to be called only once pe

11None. Notes Sets video input type. Default is 0 (Composite Video). X12_set_system void X12_set_system(int CardId,int system); Parameters CardId

12Picture size. D1 MPEG-2 (0), 1/2 D1 MPEG-2 (1), 2/3 D1 MPEG-2 (2), or CIF MPEG-1 (3). Return values None. Notes Sets picture size and compres

13X12_set_vbr void X12_set_vbr(int CardId,int vbr); Parameters CardId Card identifier. Must be between 0 and number of cards minus 1. vbr Enables

14Return values None. Notes Sets state of GPIO pins: active output is low (output is pulled down when bit is set to 1). X12_get_framecount int X12

15Notes Returns number of frames dropped during compression. X12_get_vqsize int X12_get_vqsize(int CardId); Parameters CardId Card identifier. Mu

16None. Notes Attempts to read "nbytes" bytes of MPEG data from the SM2210 output FIFO. The actual amount read is returned. If no data is

2 TABLE OF CONTENTS 1. Limited Warranty...

31. Limited Warranty Sensoray Company, Incorporated (Sensoray) warrants the model 512 hardware to be free from defects in material and workmanship

42. Special Handling Instructions The Model 512 board contains CMOS circuitry that is sensitive to Electrostatic Discharge (ESD). Special care shou

53. Introduction The Sensoray Model 512 is an MPEG video encoder decoder board. Some of the features include: General • Real time MPEG-2 and MPE

6 J27 (out) J28 (in) J1 BASE ADDRESS SELECTOR Figure 1 Board Layout

7 4.1. Base Address Selection The jumpers marked A6 through A11 are for address selection. A “1” in the table below indicates an installed jumper.

84.2. Connectors The header J1 carries all the I/O signals. The pinout is given in Table 2. Pin Function Pin Function 1 Digital I/O 2 2 +5V

9 5. Software Components The software contains the following files: Filename Function sx12.h Header: hardware-depended constants sx12f.h Header: