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The di_trigger_status function returns the trigger status in the form of a 16-bit integer.
int di_trigger_status(void);
none
This function is unavailable for DI-720/730 USB devices. The triggered burst is complete when the result returned by di_buffer_status(0) changes.
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#include "200sdk.h" |
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struct di_inlist_struct inlist(255) = {0}; |
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int errcode; |
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char errstr[255]; |
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struct di_mode_struct mode; |
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int * input_buffer; |
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main() |
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{ |
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int i; |
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if(errcode = di_open()){ |
/* open the device for comm */ |
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di_strerr(errcode,errstr); |
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printf("%s",errstr); |
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} |
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else |
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printf("Device installed successfully.....\n"); |
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di_list_length (1,0); |
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di_inlist (inlist); |
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mode.mode = 1; |
/* analog triggering enabled */ |
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mode.trig_level = 0; |
/* trigger on zero crossing */ |
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mode.trig_slope = 0; |
/* trigger on positive slope */ |
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mode.trig_pre = 1000; |
/* 1000 pre trigger samples */ |
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mode.trig_post = 2000; |
/* 2000 post trigger samples */ |
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if(errcode = di_mode(&mode)){ |
/*initialize mode */ |
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di_strerr(errcode,errstr); |
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printf("%s",errstr); |
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} |
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input_buffer = di_buffer_alloc (0, 4096); |
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di_start_scan(); |
/* start scanning */ |
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while(di_trigger_status() == 0); |
/* wait for trigger to finish */ |
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printf("Trigger buffers filled.\n"); |
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di_close(); |
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} |
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Copyright © DATAQ Instruments, Inc.
DI-400, DI-401, DI-410, DI-500, DI-510, DI-720, DI-730, DI-78x, and DI-5001