HALCON error #5312: Image acquisition:device cannot be initialized in operator
winform和HDevelop同时对相机进行连接导致的。关闭其中一个就可以正常连接相机。
HALCON error #5301 Image acquisition: wrong color depth
取相时，报异常。原因是open_framegrabber的ColorSpace参数设置为rgb。但是相机是黑白相机。修改ColorSpace可取图。
HALCON error #5329: Image acquisition: could not set parameter value in operator set_framegrabber_param
set_framegrabber_param算子区分大小写。ON写入失败，On写入成功。
软触发事件取图
eg文章来源：https://www.toymoban.com/news/detail-486807.html
* Image Acquisition 01: Code generated by Image Acquisition 01
open_framegrabber ('GigEVision', 0, 0, 0, 0, 0, 0, 'default', -1, 'default', -1, 'false', 'default', 'cam4', 0, -1, AcqHandle)
set_framegrabber_param (AcqHandle, 'TriggerMode', 'On')
set_framegrabber_param (AcqHandle, 'TriggerSource', 'Software')
grab_image_start (AcqHandle, -1)
while (true)
set_framegrabber_param (AcqHandle, 'TriggerSoftware', '1')
grab_image_async (Image, AcqHandle, -1)
get_image_time (Image, MSecond, Second, Minute, Hour, Day, YDay, Month, Year)
*时间格式：年_月_日_时_分_秒_毫秒
DayString := Year$'4d' +'_'+ Month$'02d' + '_'+Day$'02d'+'_'
TimeString := Hour$'02d' +'_'+ Minute$'02d' + '_'+Second$'02d'+'_'+MSecond$'03d'
write_image (Image, 'jpeg', 0, 'C:/Users/Administrator/Desktop/Test/'+DayString+TimeString+'.jpeg')
wait_seconds (2)
endwhile
close_framegrabber (AcqHandle)文章来源地址https://www.toymoban.com/news/detail-486807.html
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