硬件接口.rst

硬件接口

Spike Link Input API 使用说明

• ### 编译

  • Windows .. code-block:

    - git clone SpikeCV 
    - cd SpikeCV\device\spikevision\m1k40
    - mkdir build & cd build
    - cmake .. -G "Visual Studio 15 2017 Win64"
    - cmake --build .
    - python ./test/main.py -t 0 -fn "d:/data.bin"

  • Linux .. code-block:

    - git clone SpikeCV 
    - cd SpikeCV\device\spikevision\m1k40
    - mkdir build & cd build
    - cmake ..
    - cmake
    - python ./test/main.py -t 1 -dn "./libhda100.so"

• ### 接口说明

  • C/C++ ```C++ #创建和销毁 SV_API ISpikeLinkInput* SV_CALLTYPE CreateSpikeLinkInput(SpikeLinkInitParams params, ISpikeLinkInputObserverobsver); SV_API void SV_CALLTYPE DeleteSpikeLinkInput(ISpikeLinkInput *input);

  #function void Fini() int32_t Open() = 0; int32_t Close() = 0; bool IsOpen() = 0; int32_t Start() = 0; int32_t Stop() = 0; int32_t GetState() = 0; uint16_t SV_CALLTYPE AddRef() = 0; uint16_t SV_CALLTYPE Release() = 0; void SetCallback(ISpikeLinkInputObserver *obsver) = 0;

  #调用参考：SpikeCVdevicespikevisionm1k40sdkspikelinkapimain.cpp

  - Python
    ```python
    # python 调用 C/C++ 接口
    SV_API void* SV_CALLTYPE CreateSpikeLinkInputPython();
    SV_API int32_t SV_CALLTYPE Init(void *input, SpikeLinkInitParams *params);
    SV_API void SV_CALLTYPE SetCallbackPython(void *input, InputCallBack callback)
    SV_API bool SV_CALLTYPE IsOpen(void *input);
    SV_API int32_t SV_CALLTYPE Open(void *input);
    SV_API int32_t SV_CALLTYPE Close(void *input);
    SV_API int32_t SV_CALLTYPE Start(void *input);
    SV_API int32_t SV_CALLTYPE Stop(void *input);
    SV_API int32_t SV_CALLTYPE GetState(void *input);
    SV_API void SV_CALLTYPE Fini(void *input);
    SV_API void SV_CALLTYPE ReleaseFrame(void* input, void* frame);
  
    #python 接口
    class spikelinkInput :
        __init__(self, path)
        init(self, params)
        setcallback(self, callback) 
        release(self)
        start(self)
        stop(self)
        open(self)
        is_open(self)
        close(self)
        getState(self)
        releaseFrame(self, frame)
  
    #python 回调接口
    LinkInputCallBack = ctypes.CFUNCTYPE(ctypes.c_void_p, ctypes.c_void_p)
  
    #调用参考：
    SpikeCV\device\spikevision\m1k40\sdk\spikelinkapi.py
    SpikeCV\device\spikevision\m1k40\test\main.py
  
    #示例：
    input = link.spikelinkInput("./sdk/lib/Debug/spikelinkapi.dll")#输入参数C++数据采集库
    params = link.SpikeLinkInitParams() #初始化参数
    input.init(ctypes.byref(params)) #采集驱动初始化参数
    input.setcallback(input_callback) #设置回调
    input.open()
    input.start()      
    ...
    input.stop()
    input.close()
  
    #特别说明
    callback 回调底层一帧数据，放进处理队列，处理完毕后需要通过releaseFrame接口还回底层

• ### 测试
  • python 接口测试用例在examples目录中 ```python # dummy camera python test_device.py