Acquisition in progress
时间: 2024-01-23 07:03:29 浏览: 45
Acquisition in progress 是指正在进行数据采集过程。在引用[1]中提到,一个序列采集会使用多个缓冲区,但只对它们进行一次写入操作。采集完成后,可以进行处理和显示。所以,在这种情况下,Acquisition in progress 意味着数据正在被采集中。<span class="em">1</span><span class="em">2</span><span class="em">3</span><span class="em">4</span>
相关问题
int CR_RegisterEventCallback(int nDetrIdx, ICallback∗ pCallback ) ; class ICallback { public: ICallback () {}; virtual ˜ ICallback () {}; void virtual Process (int nEventID, CR Event∗ pEvent) {}; }; enum CR EventID { CR EVT SERVER DISCONNECTED, // dropped connection with server CR EVT DETR DISCONNECTED, // dropped connection with detector CR EVT TEMPERATURE INFO, // temperature of the detector CR EVT NEW FRAME, // Arrival of a new frame CR EVT CALIBRATION IN PROGRESS, // Calibration in progress CR EVT CALIBRATION FINISHED, // Completion of calibration CR EVT ACQ STAT INFO // Acquisition of statistical summary }; struct CR Event { int nDetrIdx; int nWidth; // Same as CR ModeInfo.nImageWidth, see A.4 int nHeight; int nPixelDepth; void∗ pData; }; struct CR AcquisitionStatInfo { int nTotalFrameNum; // Total number of frames acquired int nLostFrameNum; // Number of lost frames flfloat fStatFrameRate; flfloat fTransmissionSpeed; long long nAcqDuration; // Duration of image acquisition };python调用为def函数
在Python中调用名为`CR_RegisterEventCallback`的函数,并实现`ICallback`接口,可以使用以下代码示例:
```python
from ctypes import cdll, c_int, c_void_p, CFUNCTYPE, POINTER, Structure
# 加载动态链接库
lib = cdll.LoadLibrary('your_library_path')
# 定义结构体和枚举
class CR_EventID:
CR_EVT_SERVER_DISCONNECTED = 0
CR_EVT_DETR_DISCONNECTED = 1
CR_EVT_TEMPERATURE_INFO = 2
CR_EVT_NEW_FRAME = 3
CR_EVT_CALIBRATION_IN_PROGRESS = 4
CR_EVT_CALIBRATION_FINISHED = 5
CR_EVT_ACQ_STAT_INFO = 6
class CR_Event(Structure):
_fields_ = [
('nDetrIdx', c_int),
('nWidth', c_int),
('nHeight', c_int),
('nPixelDepth', c_int),
('pData', c_void_p),
]
class CR_AcquisitionStatInfo(Structure):
_fields_ = [
('nTotalFrameNum', c_int),
('nLostFrameNum', c_int),
('fStatFrameRate', c_float),
('fTransmissionSpeed', c_float),
('nAcqDuration', c_longlong),
]
# 定义回调函数原型
CallbackFunc = CFUNCTYPE(None, c_int, POINTER(CR_Event))
# 定义函数原型
lib.CR_RegisterEventCallback.argtypes = [c_int, CallbackFunc]
lib.CR_RegisterEventCallback.restype = c_int
# 实现回调函数
def callback_func(nEventID, pEvent):
# 处理事件的逻辑
if nEventID == CR_EventID.CR_EVT_SERVER_DISCONNECTED:
print("Server disconnected")
elif nEventID == CR_EventID.CR_EVT_DETR_DISCONNECTED:
print("Detector disconnected")
elif nEventID == CR_EventID.CR_EVT_TEMPERATURE_INFO:
print("Temperature info received")
elif nEventID == CR_EventID.CR_EVT_NEW_FRAME:
print("New frame received")
elif nEventID == CR_EventID.CR_EVT_CALIBRATION_IN_PROGRESS:
print("Calibration in progress")
elif nEventID == CR_EventID.CR_EVT_CALIBRATION_FINISHED:
print("Calibration finished")
elif nEventID == CR_EventID.CR_EVT_ACQ_STAT_INFO:
# 将pData强制转换为CR_AcquisitionStatInfo指针,并解引用获取结构体对象
acq_stat_info = cast(pEvent.contents.pData, POINTER(CR_AcquisitionStatInfo)).contents
print("Acquisition stat info received:", acq_stat_info.nTotalFrameNum, acq_stat_info.nLostFrameNum)
# 调用函数
def CR_RegisterEventCallback(nDetrIdx):
result = lib.CR_RegisterEventCallback(nDetrIdx, CallbackFunc(callback_func))
return result
```
请注意,这里的`your_library_path`应该替换为包含`CR_RegisterEventCallback`函数的动态链接库的实际路径。另外,你可能需要根据实际情况修改函数原型的参数和返回类型。在这个例子中,`nDetrIdx`是整数类型的参数。回调函数`callback_func`用于处理不同事件类型,并根据需要进行逻辑处理。
int CR_RegisterEventCallback(int nDetrIdx, ICallback∗ pCallback ) ; class CCallbackImp : public ICallback { public: virtual void Process (int nEventID, CR Event∗ pEvent); }; void CCallbackImp::Process(int nEventID, CR Event∗ pEvent) { if (CR EVT NEW FRAME == nEventID) { cout << "Frame Index = " << ∗(int∗)pEvent−>pData << endl; } } enum CR EventID { CR EVT SERVER DISCONNECTED, // dropped connection with server CR EVT DETR DISCONNECTED, // dropped connection with detector CR EVT TEMPERATURE INFO, // temperature of the detector CR EVT NEW FRAME, // Arrival of a new frame CR EVT CALIBRATION IN PROGRESS, // Calibration in progress CR EVT CALIBRATION FINISHED, // Completion of calibration CR EVT ACQ STAT INFO // Acquisition of statistical summary };python调用
要在Python中调用这段代码中的枚举类型和回调函数,可以使用ctypes库来实现。
首先,将枚举类型定义为Python中的整数常量。例如:
```python
CR_EVT_SERVER_DISCONNECTED = 0
CR_EVT_DETR_DISCONNECTED = 1
CR_EVT_TEMPERATURE_INFO = 2
CR_EVT_NEW_FRAME = 3
CR_EVT_CALIBRATION_IN_PROGRESS = 4
CR_EVT_CALIBRATION_FINISHED = 5
CR_EVT_ACQ_STAT_INFO = 6
```
然后,创建回调函数所需的类和方法,并在Process方法中添加相应的逻辑。以下是一个示例代码:
```python
import ctypes
# 定义枚举类型的整数常量
CR_EVT_SERVER_DISCONNECTED = 0
CR_EVT_DETR_DISCONNECTED = 1
CR_EVT_TEMPERATURE_INFO = 2
CR_EVT_NEW_FRAME = 3
CR_EVT_CALIBRATION_IN_PROGRESS = 4
CR_EVT_CALIBRATION_FINISHED = 5
CR_EVT_ACQ_STAT_INFO = 6
# 定义回调函数所需的类和方法
class ICallback(ctypes.Structure):
_fields_ = []
class CCallbackImp(ICallback):
def Process(self, nEventID, pEvent):
if nEventID == CR_EVT_NEW_FRAME:
print("Frame Index =", ctypes.cast(pEvent, ctypes.POINTER(ctypes.c_int)).contents.value)
# 加载C++动态链接库
mylib = ctypes.cdll.LoadLibrary("your_cpp_library.so")
# 注册回调函数
mylib.CR_RegisterEventCallback.argtypes = [ctypes.c_int, ctypes.POINTER(ICallback)]
mylib.CR_RegisterEventCallback.restype = ctypes.c_int
# 创建回调函数的实例
callback = CCallbackImp()
# 调用CR_RegisterEventCallback函数
mylib.CR_RegisterEventCallback(0, ctypes.byref(callback))
```
在上面的示例中,我们首先定义了与C++枚举类型中的值对应的Python整数常量。然后,创建了ICallback和CCallbackImp类,并在CCallbackImp类中实现了Process方法,并根据nEventID的值来执行相应的逻辑,这里我们以打印输出为例。
接着,使用ctypes库加载了C++动态链接库,并设置了CR_RegisterEventCallback函数的参数类型和返回类型。最后,创建了回调函数的实例callback,并将其传递给CR_RegisterEventCallback函数进行注册。
请确保在Python代码中正确加载和调用C++动态链接库,并传递正确的枚举类型值和回调函数实例作为参数。根据实际情况,可能需要调整代码以适应你的需求。
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