海康威视相机与jetson nano进行连接通讯，并且实现docker部署python

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已于 2024-10-27 18:27:14 修改 · 1.8k 阅读

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#数码相机

于 2024-10-27 18:17:12 首次发布

一.HIK的SDK安装

二.接下来的任务是将设备接入python调用。

三.接下来是载入docker容器

三.接下来是实现调用网络模型

一.HIK的SDK安装

在海康手册中

进行下载
在cmd中输入uname -a 查看系统型号根据对应的linux系统下载sdk

我直接进行dpkg安装 sudo dpkg -i MVS-3.0.1_aarch64_20240422.deb

安装完毕后进入 cd /opt/MVS/bin

输入 ./MVS 启动程序实现摄像头的启动

二.接下来的任务是将设备接入python调用。

# -- coding: utf-8 --

import sys
import copy
import ctypes
import os

from ctypes import *
from CameraParams_const import *
from CameraParams_header import *
from MvCameraControl_header import *
from MvErrorDefine_const import *
from PixelType_const import *
from PixelType_header import *

MvCamCtrldll = ctypes.cdll.LoadLibrary(os.getenv('MVCAM_COMMON_RUNENV') + "/aarch64/libMvCameraControl.so")

# 用于回调函数传入相机实例
class _MV_PY_OBJECT_(Structure):
    pass
_MV_PY_OBJECT_._fields_ = [
    ('PyObject', py_object),
]
MV_PY_OBJECT = _MV_PY_OBJECT_

class MvCamera():

    def __init__(self):
        self._handle = c_void_p()  # 记录当前连接设备的句柄
        self.handle = pointer(self._handle)  # 创建句柄指针

    
    @staticmethod
    def MV_CC_GetSDKVersion():
        MvCamCtrldll.MV_CC_GetSDKVersion.restype = c_uint
        # C原型:unsigned int MV_CC_GetSDKVersion()
        return MvCamCtrldll.MV_CC_GetSDKVersion()

    # 枚举设备
    @staticmethod
    def MV_CC_EnumDevices(nTLayerType, stDevList):
        MvCamCtrldll.MV_CC_EnumDevices.argtype = (c_uint, c_void_p)
        MvCamCtrldll.MV_CC_EnumDevices.restype = c_uint
        # C原型:int MV_CC_EnumDevices(unsigned int nTLayerType, MV_CC_DEVICE_INFO_LIST* pstDevList)
        return MvCamCtrldll.MV_CC_EnumDevices(c_uint(nTLayerType), byref(stDevList))

    # 创建句柄
    def MV_CC_CreateHandle(self, stDevInfo):
        MvCamCtrldll.MV_CC_DestroyHandle.argtype = c_void_p
        MvCamCtrldll.MV_CC_DestroyHandle.restype = c_uint
        MvCamCtrldll.MV_CC_DestroyHandle(self.handle)

        MvCamCtrldll.MV_CC_CreateHandle.argtype = (c_void_p, c_void_p)
        MvCamCtrldll.MV_CC_CreateHandle.restype = c_uint
        # C原型:int MV_CC_CreateHandle(void ** handle, MV_CC_DEVICE_INFO* pstDevInfo)
        return MvCamCtrldll.MV_CC_CreateHandle(byref(self.handle), byref(stDevInfo))

    # 创建句柄（不生成日志）
    def MV_CC_CreateHandleWithoutLog(self, stDevInfo):
        MvCamCtrldll.MV_CC_DestroyHandle.argtype = c_void_p
        MvCamCtrldll.MV_CC_DestroyHandle.restype = c_uint
        MvCamCtrldll.MV_CC_DestroyHandle(self.handle)

        MvCamCtrldll.MV_CC_CreateHandleWithoutLog.argtype = (c_void_p, c_void_p)
        MvCamCtrldll.MV_CC_CreateHandleWithoutLog.restype = c_uint
        # C原型:int MV_CC_CreateHandleWithoutLog(void ** handle, MV_CC_DEVICE_INFO* pstDevInfo)
        return MvCamCtrldll.MV_CC_CreateHandleWithoutLog(byref(self.handle), byref(stDevInfo))

    # 销毁句柄
    def MV_CC_DestroyHandle(self):
        MvCamCtrldll.MV_CC_DestroyHandle.argtype = c_void_p
        MvCamCtrldll.MV_CC_DestroyHandle.restype = c_uint
        return MvCamCtrldll.MV_CC_DestroyHandle(self.handle)

    # 打开设备
    def MV_CC_OpenDevice(self, nAccessMode=MV_ACCESS_Exclusive, nSwitchoverKey=0):
        MvCamCtrldll.MV_CC_OpenDevice.argtype = (c_void_p, c_uint32, c_uint16)
        MvCamCtrldll.MV_CC_OpenDevice.restype = c_uint
        # C原型:int MV_CC_OpenDevice(void* handle, unsigned int nAccessMode, unsigned short nSwitchoverKey)
        return MvCamCtrldll.MV_CC_OpenDevice(self.handle, nAccessMode, nSwitchoverKey)

    # 关闭设备
    def MV_CC_CloseDevice(self):
        MvCamCtrldll.MV_CC_CloseDevice.argtype = c_void_p
        MvCamCtrldll.MV_CC_CloseDevice.restype = c_uint
        return MvCamCtrldll.MV_CC_CloseDevice(self.handle)

    # 注册取流回调
    def MV_CC_RegisterImageCallBackEx(self, CallBackFun, pUser):
        MvCamCtrldll.MV_CC_RegisterImageCallBackEx.argtype = (c_void_p, c_void_p, c_void_p)
        MvCamCtrldll.MV_CC_RegisterImageCallBackEx.restype = c_uint
        # C原型:int MV_CC_RegisterImageCallBackEx(void* handle, void(* cbOutput)(unsigned char * pData, MV_FRAME_OUT_INFO_EX* pFrameInfo, void* pUser),void* pUser);
        return MvCamCtrldll.MV_CC_RegisterImageCallBackEx(self.handle, CallBackFun, pUser)

    # 开始取流
    def MV_CC_StartGrabbing(self):
        MvCamCtrldll.MV_CC_StartGrabb