int sgl_open_camera(char *interface_name, CameraSgl *camera)
{
IMAQdxSession session_id;
IMAQdxError error = 0;
int display_win_num;
int i = 0;
error = IMAQdxOpenCamera (interface_name, IMAQdxCameraControlModeController, &session_id);
if (error) {
goto ERROR_MSG;
}
imaqGetWindowHandle (&display_win_num);
// OK，则返回正确的CameraSgl
camera->session_id = session_id;
camera->display_win_num = display_win_num;
camera->visible = TRUE;
size_t size = sizeof(camera->interface_name);
memset(camera->interface_name, 0, size);
strncpy(camera->interface_name, interface_name, size);
for (i = 0; i < camera->camera_count; i++) {
if (0 == strcmp(interface_name, camera->info.camera_info[i].InterfaceName)) {
camera->info.info_id = i;
}
}
// 获取相机的信息
IMAQdxGetAttribute(camera->session_id, IMAQdxAttributeWidth, IMAQdxValueTypeU32, &camera->info.width);
IMAQdxGetAttribute(camera->session_id, IMAQdxAttributeHeight, IMAQdxValueTypeU32, &camera->info.height);
IMAQdxGetAttribute(camera->session_id, IMAQdxAttributeBayerGainR, IMAQdxValueTypeF64, &camera->info.R);
IMAQdxGetAttribute(camera->session_id, IMAQdxAttributeBayerGainG, IMAQdxValueTypeF64, &camera->info.G);
IMAQdxGetAttribute(camera->session_id, IMAQdxAttributeBayerGainB, IMAQdxValueTypeF64, &camera->info.B);
sgl_init_camera_data(camera, IMAQ_IMAGE_RGB);
// 注册回调接口
//IMAQdxRegisterFrameDoneEvent (camera->session_id, 1, frame_done_callback, NULL);
sgl_set_acquisition_mode(camera, 1);
return 0;
ERROR_MSG:
sgl_camera_message_error(error, camera->error_callback);
return -1;
}
void Camera::DumpAttrs() {
//IMAQdxEnumerateAttributes(IMAQdxSession id, IMAQdxAttributeInformation attributeInformationArray[], uInt32* count, const char* root);
IMAQdxAttributeInformation attributeInformationArray[300];
uInt32 count;
IMAQdxEnumerateAttributes(session, NULL, &count, "");
union {
uInt32 a;
uInt64 b;
double c;
char *d;
unsigned int e;bool f;
char y[256]; // just in case
} x;
printf("IMAQdxEnumerateAttributes - there are %lu attributes", count);
if (count
> sizeof(attributeInformationArray)
/ sizeof(attributeInformationArray[0])) {
printf(" -- that's too many to enumerate\n");
} else
printf("\n");
IMAQdxEnumerateAttributes(session, attributeInformationArray, &count, "");
for (uInt32 i = 0; i != count; i++) {
printf(" attr[%lu] is %s, type %u, writeable %lu, value=", i,
attributeInformationArray[i].Name,
attributeInformationArray[i].Type,
attributeInformationArray[i].Writable);
IMAQdxGetAttribute(session, attributeInformationArray[i].Name,
(IMAQdxValueType) attributeInformationArray[i].Type, &x);
switch (attributeInformationArray[i].Type) {
case IMAQdxValueTypeU32:
printf("%lu\n", x.a);
break;
case IMAQdxValueTypeI64:
printf("%llu\n", x.b);
break;
case IMAQdxValueTypeF64:
printf("%f\n", x.c);
break;
case IMAQdxValueTypeString:
//printf("%s\n", x.d);
printf("%s\n", x.y);
break;
case IMAQdxValueTypeEnumItem:
printf("%u\n", x.e);
break;
case IMAQdxValueTypeBool:
printf("%d\n", x.f);
break;
default:
printf("%x\n", x.e);
break;
}
}
}
