 HMP学习－srl相关函数－sr_getboardcnt( ) |
函数原型：long sr_getboardcnt(char* class_namep,int* boardcntp)
参数：指向类名的指针，记录主板卡的数目
返回值：0成功 －1失败
作用：仅仅用在windows平台。返回特定类型的板卡资源数量。
#include <windows.h>#include <srllib.h>#include <dxxxlib.h>long chdev[MAXDEVS];long evt_handle;main( ... ){char channel_name[12], board_name[12];int brd_handle;int brd, ch, devcnt = 0;int numvoxbrds = 0;if ( sr_getboardcnt(DEV_CLASS_VOICE, &numvoxbrds) == -1){/* error retrieving voice boards */}for (brd = 1; brd <= numvoxbrds; brd++){/* build the board name and open the board device to get number of channels */sprintf(board_name, "dxxxB%d",brd);if ( (brd_handle = dx_open(board_name, 0)) == -1){/* Board open error */}for (ch = 1; ch <= ATDV_SUBDEVS(brd_handle); ch++){sprintf(channel_name, "%sC%d", board_name, ch);if ( (chdev[devcnt++] = dx_open(channel_name, 0)) == -1){/* Channel open error */}} /* End of channel for loop */dx_close(brd_handle);} /* End of board loop */}
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