C++ LOGI函数代码示例

int httpGet(char* hostname,char *url)
{
	LOGI("httpGet");
	LOGI(hostname);
	//char myurl[BUFFSIZE] = {0};
	//char host[BUFFSIZE] = {0};
	//char GET[BUFFSIZE] = {0};
	struct sockaddr_in sin;
	int sockfd;
	if ((sockfd = socket (AF_INET, SOCK_STREAM, 0)) == -1) {
		LOGE(strerror(errno));
		return -100;
	}

	struct hostent * host_addr = gethostbyname(hostname);
	if(host_addr==NULL) {
		LOGE(strerror(errno));
		return -103;
	}
	sin.sin_family = AF_INET;
	sin.sin_port = htons( (unsigned short)80);
	sin.sin_addr.s_addr = *((unsigned long*)host_addr->h_addr_list[0]);
	if( connect (sockfd,(const struct sockaddr *)&sin, sizeof(struct sockaddr_in) ) == -1 ) {
		LOGE(strerror(errno));
		return -101;
	}
	LOGI("httpGet send");
	// 向WEB服务器发送URL信息
	memset(request, 0, BUFFSIZE);
	strcat(request, url); //请求内容与http版本
	//strcat(request, "GET /index.html HTTP/1.1\r\n"); //请求内容与http版本
	strcat(request, "HOST:"); //主机名，，格式："HOST:主机"
	strcat(request, hostname);
	strcat(request, "\r\n");
	strcat(request, "Accept:*/*\r\n"); //接受类型，所有类型
	// strcat(request, "User-Agent:Mozilla/4.0 (compatible; MSIE 5.00; Windows 98)");//指定浏览器类型？
	// strcat(request, "Connection: Keep-Alive\r\n");//设置连接，保持连接
	// strcat(request, "Set Cookie:0\r\n");//设置Cookie
	// strcat(request, "Range: bytes=0 - 500\r\n");//设置请求字符串起止位置，断点续传关键"Range: bytes=999 -"
	strcat(request, "\r\n");//空行表示结束
	LOGI(request);
	if( send (sockfd, request, strlen(request), 0) == -1){
		LOGE(strerror(errno));
		return -99;
	}
	LOGI("httpGet recv");

	struct timeval tv_out;
	tv_out.tv_sec = 5;
	tv_out.tv_usec = 0;

	setsockopt(sockfd, SOL_SOCKET, SO_RCVTIMEO, &tv_out, sizeof(tv_out));
	memset(text,0,BUFFSIZE);
	int recv_size = 0,all_size = 0;
	while((recv_size = recv (sockfd, text + all_size, 1024*1024*1024, 0)) != 0){
		all_size += recv_size;
		if(all_size > 5*1024*1024)
			break;
	}
	//LOGI(text);
	LOGI("httpGet end");
	close(sockfd);
	return 0;
}

JNIEXPORT jint JNICALL JNI_OnLoad(JavaVM *jvm, void *reserved)
{
	LOGI("Loading native library compiled at " __TIME__ " " __DATE__);
	sVm = jvm;
	return JNI_VERSION_1_2;
}

/**
 * Initialize an EGL context for the current display.
 */
static int engine_init_display(struct engine* engine,bool p_gl2) {
    // initialize OpenGL ES and EGL

    /*
     * Here specify the attributes of the desired configuration.
     * Below, we select an EGLConfig with at least 8 bits per color
     * component compatible with on-screen windows
     */
    const EGLint gl2_attribs[] = {
	  //  EGL_SURFACE_TYPE, EGL_WINDOW_BIT,
	    EGL_BLUE_SIZE, 4,
	    EGL_GREEN_SIZE, 4,
	    EGL_RED_SIZE, 4,
	    EGL_ALPHA_SIZE, 0,
	    EGL_DEPTH_SIZE,     16,
	    EGL_STENCIL_SIZE,   EGL_DONT_CARE,
	    EGL_RENDERABLE_TYPE, EGL_OPENGL_ES2_BIT,
	    EGL_NONE
    };

    const EGLint gl1_attribs[] = {
	  //  EGL_SURFACE_TYPE, EGL_WINDOW_BIT,
	    EGL_BLUE_SIZE, 4,
	    EGL_GREEN_SIZE, 4,
	    EGL_RED_SIZE, 4,
	    EGL_ALPHA_SIZE, 0,
	    EGL_DEPTH_SIZE,     16,
	    EGL_STENCIL_SIZE,   EGL_DONT_CARE,
	    EGL_NONE
    };

    const EGLint *attribs=p_gl2?gl2_attribs:gl1_attribs;


    EGLint w, h, dummy, format;
    EGLint numConfigs;
    EGLConfig config;
    EGLSurface surface;
    EGLContext context;

    EGLDisplay display = eglGetDisplay(EGL_DEFAULT_DISPLAY);

    eglInitialize(display, 0, 0);


    /* Here, the application chooses the configuration it desires. In this
     * sample, we have a very simplified selection process, where we pick
     * the first EGLConfig that matches our criteria */

    eglChooseConfig(display, attribs, &config, 1, &numConfigs);

    LOGI("Num configs: %i\n",numConfigs);

    /* EGL_NATIVE_VISUAL_ID is an attribute of the EGLConfig that is
     * guaranteed to be accepted by ANativeWindow_setBuffersGeometry().
     * As soon as we picked a EGLConfig, we can safely reconfigure the
     * ANativeWindow buffers to match, using EGL_NATIVE_VISUAL_ID. */
    eglGetConfigAttrib(display, config, EGL_NATIVE_VISUAL_ID, &format);

    ANativeWindow_setBuffersGeometry(engine->app->window, 0, 0, format);
    //ANativeWindow_setFlags(engine->app->window, 0, 0, format|);

    surface = eglCreateWindowSurface(display, config, engine->app->window, NULL);

    const EGLint context_attribs[] = {
	    EGL_CONTEXT_CLIENT_VERSION,2,
	    EGL_NONE
    };
    context = eglCreateContext(display, config, EGL_NO_CONTEXT, p_gl2?context_attribs:NULL);

    if (eglMakeCurrent(display, surface, surface, context) == EGL_FALSE) {
	LOGW("Unable to eglMakeCurrent");
	return -1;
    }

    eglQuerySurface(display, surface, EGL_WIDTH, &w);
    eglQuerySurface(display, surface, EGL_HEIGHT, &h);
    print_line("INIT VIDEO MODE: "+itos(w)+","+itos(h));

    //engine->os->set_egl_extensions(eglQueryString(display,EGL_EXTENSIONS));
    engine->os->init_video_mode(w,h);


    engine->display = display;
    engine->context = context;
    engine->surface = surface;
    engine->width = w;
    engine->height = h;
    engine->display_active=true;

    //engine->state.angle = 0;

    // Initialize GL state.
    //glHint(GL_PERSPECTIVE_CORRECTION_HINT, GL_FASTEST);
    glEnable(GL_CULL_FACE);
  //  glShadeModel(GL_SMOOTH);
    glDisable(GL_DEPTH_TEST);
//.........这里部分代码省略.........

// Destructor
WarpTV::~WarpTV(void)
{
	LOGI("%s(L=%d)", __func__, __LINE__);
	stop();
}

static jobject DEF_JNI(createSubprocess,
                       jstring cmd, jstring arg0, jstring arg1,
                       jobjectArray envVars, jintArray processIdArray)
{
    char const* cmd_str = cmd ? env->GetStringUTFChars(cmd, NULL) : NULL;
    char const* arg0_str = arg0 ? env->GetStringUTFChars(arg0, NULL) : NULL;
    char const* arg1_str = arg1 ? env->GetStringUTFChars(arg1, NULL) : NULL;
    LOGI("cmd_str = '%s'", cmd_str);
    LOGI("arg0_str = '%s'", arg0_str);
    LOGI("arg1_str = '%s'", arg1_str);

    int num_env_vars = envVars ? env->GetArrayLength(envVars) : 0;
    char **envp = NULL;
    char const* tmp = NULL;

    if (num_env_vars > 0)
    {
        envp = (char **)malloc((num_env_vars + 1) * sizeof(char*));

        if (!envp)
        {
            throwOutOfMemoryError(env, "Couldn't allocate envp array");
            return NULL;
        }

        for (int i = 0; i < num_env_vars; ++i)
        {
            jobject obj = env->GetObjectArrayElement(envVars, i);
            jstring env_var = reinterpret_cast<jstring>(obj);
            tmp = env->GetStringUTFChars(env_var, 0);

            if (tmp == NULL)
            {
                throwOutOfMemoryError(env, "Couldn't get env var from array");
                return NULL;
            }

            envp[i] = strdup(tmp);

            if (envp[i] == NULL)
            {
                throwOutOfMemoryError(env, "Couldn't strdup() env var");
                return NULL;
            }

            env->ReleaseStringUTFChars(env_var, tmp);
        }

        envp[num_env_vars] = NULL;
    }

    int procId;
    int ptm = create_subprocess(cmd_str, arg0_str, arg1_str, envp, &procId);

    env->ReleaseStringUTFChars(cmd, cmd_str);
    if(arg0 != NULL) env->ReleaseStringUTFChars(arg0, arg0_str);
    if(arg1 != NULL) env->ReleaseStringUTFChars(arg1, arg1_str);

    for (int i = 0; i < num_env_vars; ++i)
        free(envp[i]);

    free(envp);

    if (processIdArray) {
        int procIdLen = env->GetArrayLength(processIdArray);
        if (procIdLen > 0) {
            jboolean isCopy;
    
            int* pProcId = (int*) env->GetPrimitiveArrayCritical(processIdArray, &isCopy);
            if (pProcId) {
                *pProcId = procId;
                env->ReleasePrimitiveArrayCritical(processIdArray, pProcId, 0);
            }
        }
    }
    
    jobject result = env->NewObject(class_fileDescriptor, method_fileDescriptor_init);
    
    if (!result) {
        LOGE("Couldn't create a FileDescriptor.");
    }
    else {
        env->SetIntField(result, field_fileDescriptor_descriptor, ptm);
    }
    
    return result;
}

bool TeapotRenderer::loadShaders(SHADER_PARAMS* params, const char* strVsh, const char* strFsh)
{
    GLuint program;
    GLuint vertShader, fragShader;
    char *vertShaderPathname, *fragShaderPathname;

    // Create shader program
    program = glCreateProgram();
    LOGI("Created Shader %d", program);

    // Create and compile vertex shader
    if (!shader::compileShader(&vertShader, GL_VERTEX_SHADER, strVsh)) {
        LOGI("Failed to compile vertex shader");
        glDeleteProgram(program);
        return false;
    }

    // Create and compile fragment shader
    if (!shader::compileShader(&fragShader, GL_FRAGMENT_SHADER, strFsh)) {
        LOGI("Failed to compile fragment shader");
        glDeleteProgram(program);
        return false;
    }

    // Attach vertex shader to program
    glAttachShader(program, vertShader);

    // Attach fragment shader to program
    glAttachShader(program, fragShader);

    // Bind attribute locations
    // this needs to be done prior to linking
    glBindAttribLocation(program, ATTRIB_VERTEX, "myVertex");
    glBindAttribLocation(program, ATTRIB_NORMAL, "myNormal");
    glBindAttribLocation(program, ATTRIB_UV, "myUV");

    // Link program
    if (!shader::linkProgram(program)) {
        LOGI("Failed to link program: %d", program);

        if (vertShader) {
            glDeleteShader(vertShader);
            vertShader = 0;
        }
        if (fragShader) {
            glDeleteShader(fragShader);
            fragShader = 0;
        }
        if (program) {
            glDeleteProgram(program);
        }

        return false;
    }

    // Get uniform locations
    params->_uiMatrixP = glGetUniformLocation(program, "uPMatrix");
    params->_uiMatrixView = glGetUniformLocation(program, "uMVMatrix");

    params->_uiLight0 = glGetUniformLocation(program, "vLight0");
    params->_uiMaterialDiffuse = glGetUniformLocation(program,
            "vMaterialDiffuse");
    params->_uiMaterialAmbient = glGetUniformLocation(program,
            "vMaterialAmbient");
    params->_uiMaterialSpecular = glGetUniformLocation(program,
            "vMaterialSpecular");

    // Release vertex and fragment shaders
    if (vertShader)
        glDeleteShader(vertShader);
    if (fragShader)
        glDeleteShader(fragShader);

    params->_program = program;
    return true;
}

void GPGSManager::SignOut() {
  if (gameServices->IsAuthorized()) {
    LOGI("SignOut");
    gameServices->SignOut();
  }
}

void GPGSManager::ShowMatchInbox()
{
    gameServices->TurnBasedMultiplayer().ShowMatchInboxUI([](gpg::TurnBasedMultiplayerManager::MatchInboxUIResponse const & response)
    {
        if (response.status == gpg::UIStatus::VALID) {
            //Show game based on the user's selection
            
            cocos2d::Director::getInstance()->getEventDispatcher()->dispatchCustomEvent("showConnectingPopWindow");
            
            current_match_ = response.match;
            switch (response.match.Status()) {
                case gpg::MatchStatus::THEIR_TURN:
                {//Manage match with dismiss, leave and cancel options
                    LOGI("Their turn...By Jacky");
//                    auto notouchlayer = NoTouchLayer::create();
//                    notouchlayer->setTag(NOTOUCHTAG);
//                    cocos2d::Director::getInstance()->getRunningScene()->addChild(notouchlayer,100);
//                    notouchlayer->setError("It's not your turn.");
                    cocos2d::Director::getInstance()->getEventDispatcher()->dispatchCustomEvent("showNotYourTurnPopWindow");
                }
                    break;
                case gpg::MatchStatus::MY_TURN:
                {//Play selected game
                    LOGI("My turn...By Jacky...");
                    
                    //add notouch layer.
//                    auto notouchlayer = NoTouchLayer::create();
//                    notouchlayer->setTag(NOTOUCHTAG);
//                    cocos2d::Director::getInstance()->getRunningScene()->addChild(notouchlayer,100);
                    
                    //PlayGame(response.match);
                    current_match_ = response.match;
                    ParseMatchData();
                    //todo:is second turn?
                    int cur_match_turn = GetMatchTurn();//no found, must return 0;
                    cur_match_turn++;
                    if(cur_match_turn == 1){
                        setPlayer1Name();
                        cocos2d::Director::getInstance()->getEventDispatcher()->dispatchCustomEvent("enterWagonSelect_1");
                    }
                    else if(cur_match_turn ==2){
                        setPlayer2Name();
                        cocos2d::Director::getInstance()->getEventDispatcher()->dispatchCustomEvent("enterWagonSelect_2");
                    }
                    else if(cur_match_turn >=3){
                        LOGI("curmatchturn is %d",cur_match_turn);
                        cocos2d::Director::getInstance()->getEventDispatcher()->dispatchCustomEvent("enterGame");
                    }
                    else
                    {
                        LOGI("Current_match_turn is a invalid number ====>>>%d", cur_match_turn);
//                        std::string err = "Current_match_turn is a invalid number : %d" + cocos2d::Value((int)cur_match_turn).asString();
//                        NoTouchLayer* notouchlayer = ((NoTouchLayer*)(cocos2d::Director::getInstance()->getRunningScene()->getChildByTag(NOTOUCHTAG)));
//                        if(notouchlayer)
//                            notouchlayer->setError(err);
                    }
                }
                    break;
                case gpg::MatchStatus::COMPLETED:
                    //Manage match with dismiss, rematch options
                    LOGI("Completed...By Jacky");
                   cocos2d::Director::getInstance()->getEventDispatcher()->dispatchCustomEvent("showItsCompletedPopWindow");
                     //cocos2d::Director::getInstance()->getEventDispatcher()->dispatchCustomEvent("TakeTurnSuccess");
                    break;
                case gpg::MatchStatus::EXPIRED:
                default:
                    //Manage match with dismiss option
                    LOGI("Expired & default...By Jacky");
                    
                    //add notouch layer.
//                    auto notouchlayer = NoTouchLayer::create();
//                    notouchlayer->setTag(NOTOUCHTAG);
//                    cocos2d::Director::getInstance()->getRunningScene()->addChild(notouchlayer,100);
                    //enter game
                    current_match_ = response.match;
                    ParseMatchData();
                    cocos2d::Director::getInstance()->getEventDispatcher()->dispatchCustomEvent("enterGame");
                    
                    break;
            }
        } else {
            LOGI("Invalid MatchInboxUIResponse response status...%d...By Jacky", response.status);
        }
    });
}

/**
 * アプリケーション開始
 */
void android_main(struct android_app* state) {
    struct engine engine;

    // glueが削除されないように
    app_dummy();

    memset(&engine, 0, sizeof(engine));
    state->userData = &engine;
    state->onAppCmd = engine_handle_cmd;
    state->onInputEvent = engine_handle_input;
    engine.app = state;

    // センサーからのデータ取得に必要な初期化
    engine.sensorManager = ASensorManager_getInstance();
    engine.accelerometerSensor = ASensorManager_getDefaultSensor(
            engine.sensorManager, ASENSOR_TYPE_ACCELEROMETER);
    engine.sensorEventQueue = ASensorManager_createEventQueue(
            engine.sensorManager, state->looper, LOOPER_ID_USER, NULL,
            NULL);

    if (state->savedState != NULL) {
        // 以前の状態に戻す
        engine.state = *(struct saved_state*) state->savedState;
    }

    while (1) {

        int ident;
        int events;
        struct android_poll_source* source;

        // アプリケーションが動作することになれば、これらセンサーの制御を行う
        while ((ident = ALooper_pollAll(engine.animating ? 0 : -1, NULL,
                &events, (void**) &source)) >= 0) {

            // イベントを処理する
            if (source != NULL) {
                source->process(state, source);
            }

            // センサーに何かしらのデータが存在したら処理する
            if (ident == LOOPER_ID_USER) {
                if (engine.accelerometerSensor != NULL) {
                    ASensorEvent event;
                    while (ASensorEventQueue_getEvents(
                            engine.sensorEventQueue, &event, 1) > 0) {
                        LOGI("accelerometer: x=%f y=%f z=%f",
                                event.acceleration.x, event.acceleration.y,
                                event.acceleration.z);
                    }
                }
            }

            // 破棄要求があったか
            if (state->destroyRequested != 0) {
                engine_term_display(&engine);
                return;
            }
        }

        if (engine.animating) {
            // 次のフレームを描画するのに必要な処理を行う
            engine.state.angle += .01f;
            if (engine.state.angle > 1) {
                engine.state.angle = 0;
            }

            // 画面描画
            engine_draw_frame(&engine);
        }
    }
}

jpeg_CreateDecompress (j_decompress_ptr cinfo, int version, size_t structsize)
{
  int i;

  /* Guard against version mismatches between library and caller. */
  cinfo->mem = NULL;            /* so jpeg_destroy knows mem mgr not called */
  if (version != JPEG_LIB_VERSION)
    ERREXIT2(cinfo, JERR_BAD_LIB_VERSION, JPEG_LIB_VERSION, version);
  if (structsize != sizeof(struct jpeg_decompress_struct))
    ERREXIT2(cinfo, JERR_BAD_STRUCT_SIZE,
             (int) sizeof(struct jpeg_decompress_struct), (int) structsize);

  /* For debugging purposes, we zero the whole master structure.
   * But the application has already set the err pointer, and may have set
   * client_data, so we have to save and restore those fields.
   * Note: if application hasn't set client_data, tools like Purify may
   * complain here.
   */
  {
    struct jpeg_error_mgr * err = cinfo->err;
    void * client_data = cinfo->client_data; /* ignore Purify complaint here */
    MEMZERO(cinfo, sizeof(struct jpeg_decompress_struct));
    cinfo->err = err;
    cinfo->client_data = client_data;
  }
  cinfo->is_decompressor = TRUE;

  /* Initialize a memory manager instance for this object */
  jinit_memory_mgr((j_common_ptr) cinfo);

  /* Zero out pointers to permanent structures. */
  cinfo->progress = NULL;
  cinfo->src = NULL;

  for (i = 0; i < NUM_QUANT_TBLS; i++)
    cinfo->quant_tbl_ptrs[i] = NULL;

  for (i = 0; i < NUM_HUFF_TBLS; i++) {
    cinfo->dc_huff_tbl_ptrs[i] = NULL;
    cinfo->ac_huff_tbl_ptrs[i] = NULL;
  }

  /* Initialize marker processor so application can override methods
   * for COM, APPn markers before calling jpeg_read_header.
   */
  cinfo->marker_list = NULL;
  jinit_marker_reader(cinfo);

  /* And initialize the overall input controller. */
  jinit_input_controller(cinfo);

  /* OK, I'm ready */
  cinfo->global_state = DSTATE_START;

  /* The master struct is used to store extension parameters, so we allocate it
   * here.
   */
  LOGI("=========%s:%d", __func__,  __LINE__);
  cinfo->master = (struct jpeg_decomp_master *)
      (*cinfo->mem->alloc_small) ((j_common_ptr) cinfo, JPOOL_PERMANENT,
                                  sizeof(my_decomp_master));
  LOGI("=========%s:%d", __func__, __LINE__);
  MEMZERO(cinfo->master, sizeof(my_decomp_master));
}

OMX_ERRORTYPE OMXVideoDecoderVP9HWR::ProcessorProcess(
        OMX_BUFFERHEADERTYPE ***pBuffers,
        buffer_retain_t *retains,
        OMX_U32)
{
    OMX_ERRORTYPE ret;
    OMX_BUFFERHEADERTYPE *inBuffer = *pBuffers[INPORT_INDEX];
    OMX_BUFFERHEADERTYPE *outBuffer = *pBuffers[OUTPORT_INDEX];
    OMX_BOOL isResolutionChange = OMX_FALSE;

    if (inBuffer->pBuffer == NULL) {
        LOGE("Buffer to decode is empty.");
        return OMX_ErrorBadParameter;
    }

    if (inBuffer->nFlags & OMX_BUFFERFLAG_CODECCONFIG) {
        LOGI("Buffer has OMX_BUFFERFLAG_CODECCONFIG flag.");
    }

    if (inBuffer->nFlags & OMX_BUFFERFLAG_DECODEONLY) {
        LOGW("Buffer has OMX_BUFFERFLAG_DECODEONLY flag.");
    }

    if (inBuffer->nFlags & OMX_BUFFERFLAG_EOS) {
        if (inBuffer->nFilledLen == 0) {
            (*pBuffers[OUTPORT_INDEX])->nFilledLen = 0;
            (*pBuffers[OUTPORT_INDEX])->nFlags = OMX_BUFFERFLAG_EOS;
            return OMX_ErrorNone;
        }
    }

    if (vpx_codec_decode((vpx_codec_ctx_t *)mCtx,
                         inBuffer->pBuffer + inBuffer->nOffset,
                         inBuffer->nFilledLen,
                         NULL,
                         0)) {
        LOGE("on2 decoder failed to decode frame.");
        return OMX_ErrorBadParameter;
    }

    ret = FillRenderBuffer(pBuffers[OUTPORT_INDEX],
                           &retains[OUTPORT_INDEX],
                           ((*pBuffers[INPORT_INDEX]))->nFlags,
                           &isResolutionChange);

    if (ret == OMX_ErrorNone) {
        (*pBuffers[OUTPORT_INDEX])->nTimeStamp = inBuffer->nTimeStamp;
    }

    if (isResolutionChange) {
        HandleFormatChange();
    }

    bool inputEoS = ((*pBuffers[INPORT_INDEX])->nFlags & OMX_BUFFERFLAG_EOS);
    bool outputEoS = ((*pBuffers[OUTPORT_INDEX])->nFlags & OMX_BUFFERFLAG_EOS);
    // if output port is not eos, retain the input buffer
    // until all the output buffers are drained.
    if (inputEoS && !outputEoS) {
        retains[INPORT_INDEX] = BUFFER_RETAIN_GETAGAIN;
        // the input buffer is retained for draining purpose.
        // Set nFilledLen to 0 so buffer will not be decoded again.
        (*pBuffers[INPORT_INDEX])->nFilledLen = 0;
    }

    if (ret == OMX_ErrorNotReady) {
        retains[OUTPORT_INDEX] = BUFFER_RETAIN_GETAGAIN;
        ret = OMX_ErrorNone;
    }

    return ret;
}

void cHAL::Init(void) {

	__HAL_RCC_GPIOA_CLK_ENABLE();
	__HAL_RCC_GPIOB_CLK_ENABLE();
	__HAL_RCC_GPIOC_CLK_ENABLE();
	__HAL_RCC_CAN2_CLK_ENABLE();
	__HAL_RCC_CAN1_CLK_ENABLE();
	__HAL_RCC_USART3_CLK_ENABLE();
	__HAL_RCC_UART4_CLK_ENABLE();

	GPIO_InitTypeDef gi;
	HAL_StatusTypeDef status;

	//Enable UART
	gi.Pin = GPIO_PIN_10 | GPIO_PIN_11; //C10=TX, C11=RX
	gi.Mode = GPIO_MODE_AF_PP;
	gi.Pull = GPIO_PULLUP;
	gi.Speed = GPIO_SPEED_LOW;
	gi.Alternate = GPIO_AF7_USART3;
	HAL_GPIO_Init(GPIOC, &gi);
	InitAndTestUSART();

	//Onboard LEDs
	gi.Mode = GPIO_MODE_OUTPUT_PP;
	gi.Alternate = 0;
	gi.Pull = GPIO_NOPULL;
	gi.Speed = GPIO_SPEED_LOW;
	gi.Pin = GPIO_PIN_7;
	HAL_GPIO_Init(GPIOB, &gi);
	LOGI(BSP::SUCCESSFUL_STRING, "GPIO for LED");

	if(InitDWTCounter())
	{
		LOGI(BSP::SUCCESSFUL_STRING, "DWTCounter");
	}
	else
	{
		LOGE(NOT_SUCCESSFUL_STRING, "DWTCounter");
	}

	//MP3-Player
	gi.Pin = GPIO_PIN_0 | GPIO_PIN_1; //A0=USART4_TX, A1=USART4_RX, Kerbe nach oben; ansicht von Pinseite, rechts von oben
	//VCC, RX, TX, DACR, DACL, SPK1, GND, SPK2
	//Also: PA0 --> RX
	gi.Mode = GPIO_MODE_AF_PP;
	gi.Pull = GPIO_PULLUP;
	gi.Speed = GPIO_SPEED_LOW;
	gi.Alternate = GPIO_AF8_UART4;
	HAL_GPIO_Init(GPIOA, &gi);
	BELL.Instance = UART4;
	BELL.Init.BaudRate = 9600;
	BELL.Init.WordLength = UART_WORDLENGTH_8B;
	BELL.Init.StopBits = UART_STOPBITS_1;
	BELL.Init.Parity = UART_PARITY_NONE;
	BELL.Init.Mode = UART_MODE_TX_RX;
	BELL.Init.HwFlowCtl = UART_HWCONTROL_NONE;
	BELL.Init.OverSampling = UART_OVERSAMPLING_16;
	HAL_UART_Init(&BSP::BELL);
	LOGI(SUCCESSFUL_STRING, "UART4 for MP3-Module");

	__I2C1_CLK_ENABLE();
	__I2C2_CLK_ENABLE();
	/*
	 PB08     ------> I2C1_SCL
	 PB09     ------> I2C1_SDA
	 */
	gi.Pin = GPIO_PIN_8 | GPIO_PIN_9;
	gi.Mode = GPIO_MODE_AF_OD;
	gi.Pull = GPIO_PULLUP;
	gi.Speed = GPIO_SPEED_MEDIUM;
	gi.Alternate = GPIO_AF4_I2C1;
	HAL_GPIO_Init(GPIOB, &gi);
	/*
	 PB10     ------> I2C2_SCL
	 PB11     ------> I2C2_SDA
	 */
	gi.Pin = GPIO_PIN_10 | GPIO_PIN_11;
	gi.Mode = GPIO_MODE_AF_OD;
	gi.Pull = GPIO_PULLUP;
	gi.Speed = GPIO_SPEED_MEDIUM;
	gi.Alternate = GPIO_AF4_I2C2;
	HAL_GPIO_Init(GPIOB, &gi);

	i2cbus[0].Instance = I2C1;
	i2cbus[0].Init.ClockSpeed = 100000;
	i2cbus[0].Init.DutyCycle = I2C_DUTYCYCLE_2;
	i2cbus[0].Init.OwnAddress1 = 0;
	i2cbus[0].Init.AddressingMode = I2C_ADDRESSINGMODE_7BIT;
	i2cbus[0].Init.DualAddressMode = I2C_DUALADDRESS_DISABLED;
	i2cbus[0].Init.OwnAddress2 = 0;
	i2cbus[0].Init.GeneralCallMode = I2C_GENERALCALL_DISABLED;
	i2cbus[0].Init.NoStretchMode = I2C_NOSTRETCH_DISABLED;
	HAL_I2C_Init(&i2cbus[0]);
	LOGI("I2C1 configured for onboard digital io");

	i2cbus[1].Instance = I2C2;
	i2cbus[1].Init.ClockSpeed = 100000;
	i2cbus[1].Init.DutyCycle = I2C_DUTYCYCLE_2;
	i2cbus[1].Init.OwnAddress1 = 0;
	i2cbus[1].Init.AddressingMode = I2C_ADDRESSINGMODE_7BIT;
//.........这里部分代码省略.........

/**
 * 获取Signature签名实例
 */
jobject getSignature(JNIEnv* env, jobject thiz){
    //获取包名
    jstring jstr_packageName = (jstring) CallJavaMethodByName(env,
            thiz, "getPackageName", "()Ljava/lang/String;").l;

    if ((*env)->ExceptionCheck(env) || jstr_packageName == NULL) {
        LOGI("can't get jstr of getPackageName");
        return NULL;
    }

    //获取包名的字符串
    const char* loc_str_app_packageName = (*env)->GetStringUTFChars(env,
           jstr_packageName, NULL);
    if (loc_str_app_packageName == NULL) {
        LOGI("can't get packagename from jstring");
        return NULL;
    }
    //当前应用包名与合法包名对比
    if (strcmp(loc_str_app_packageName, global_app_packageName) != 0) {
        LOGI("this app is illegal");
        return NULL;
    }

    //释放loc_str_app_packageName
    (*env)->ReleaseStringUTFChars(env, jstr_packageName,
           loc_str_app_packageName);

    // 获得应用包的管理器
    jobject package_manager = CallJavaMethodByName(env, thiz,
           "getPackageManager", "()Landroid/content/pm/PackageManager;").l;
    if ((*env)->ExceptionCheck(env) || package_manager == NULL) {
        LOGI("can't get obj of getPackageManager");
        return NULL;
    }

    // 获得应用包的信息
    jobject package_info = CallJavaMethodByName(env,
            package_manager, "getPackageInfo",
            "(Ljava/lang/String;I)Landroid/content/pm/PackageInfo;",
            (*env)->NewStringUTF(env, global_app_packageName), 64).l;
    if ((*env)->ExceptionCheck(env) || package_info == NULL) {
        (*env)->ExceptionClear(env);
        LOGI("can't get obj of package_info");
        return NULL;
    }

    // 获得 PackageInfo 类
    jclass pi_clazz = (*env)->GetObjectClass(env, package_info);

    // 获得签名数组属性的 ID
    jfieldID fieldID_signatures = (*env)->GetFieldID(env, pi_clazz,
           "signatures", "[Landroid/content/pm/Signature;");
    (*env)->DeleteLocalRef(env, pi_clazz);
    // 得到签名数组，待修改
    jobjectArray signatures = (*env)->GetObjectField(env, package_info,
           fieldID_signatures);

    if ((*env)->ExceptionCheck(env) || signatures == NULL) {
       LOGI("can't get jobjectArray of signatures");
       return NULL;
    }

    // 得到签名
    jobject signature = (*env)->GetObjectArrayElement(env, signatures, 0);
    if ((*env)->ExceptionCheck(env) || signature == NULL) {
        LOGI("can't get obj of signature");
        return NULL;
    }

   return signature;
}

JNIEXPORT void native_jniCheckAPP(JNIEnv* env, jobject thiz) {
    LOGI("start jniCheckAPP");
    if(do_check_signature(env, thiz) != 1){
        CallJavaMethodByName(env, thiz, "popAlarm", "()V");
    }
}

// command line args come from, in decreasing precedence:
//   - the actual command line
//   - the bootloader control block (one per line, after "recovery")
//   - the contents of COMMAND_FILE (one per line)
static void
get_args(int *argc, char ***argv) {
    struct bootloader_message boot;
    memset(&boot, 0, sizeof(boot));
    get_bootloader_message(&boot);  // this may fail, leaving a zeroed structure

    if (boot.command[0] != 0 && boot.command[0] != 255) {
        LOGI("Boot command: %.*s\n", sizeof(boot.command), boot.command);
    }

    if (boot.status[0] != 0 && boot.status[0] != 255) {
        LOGI("Boot status: %.*s\n", sizeof(boot.status), boot.status);
    }

    // --- if arguments weren't supplied, look in the bootloader control block
    if (*argc <= 1) {
        boot.recovery[sizeof(boot.recovery) - 1] = '\0';  // Ensure termination
        const char *arg = strtok(boot.recovery, "\n");
        if (arg != NULL && !strcmp(arg, "recovery")) {
            *argv = (char **) malloc(sizeof(char *) * MAX_ARGS);
            (*argv)[0] = strdup(arg);
            for (*argc = 1; *argc < MAX_ARGS; ++*argc) {
                if ((arg = strtok(NULL, "\n")) == NULL) break;
                (*argv)[*argc] = strdup(arg);
            }
            LOGI("Got arguments from boot message\n");
        } else if (boot.recovery[0] != 0 && boot.recovery[0] != 255) {
            LOGE("Bad boot message\n\"%.20s\"\n", boot.recovery);
        }
    }

    // --- if that doesn't work, try the command file
    if (*argc <= 1) {
        FILE *fp = fopen_path(COMMAND_FILE, "r");
        if (fp != NULL) {
            char *argv0 = (*argv)[0];
            *argv = (char **) malloc(sizeof(char *) * MAX_ARGS);
            (*argv)[0] = argv0;  // use the same program name

            char buf[MAX_ARG_LENGTH];
            for (*argc = 1; *argc < MAX_ARGS; ++*argc) {
                if (!fgets(buf, sizeof(buf), fp)) break;
                (*argv)[*argc] = strdup(strtok(buf, "\r\n"));  // Strip newline.
            }

            check_and_fclose(fp, COMMAND_FILE);
            LOGI("Got arguments from %s\n", COMMAND_FILE);
        }
    }

    // --> write the arguments we have back into the bootloader control block
    // always boot into recovery after this (until finish_recovery() is called)
    strlcpy(boot.command, "boot-recovery", sizeof(boot.command));
    strlcpy(boot.recovery, "recovery\n", sizeof(boot.recovery));
    int i;
    for (i = 1; i < *argc; ++i) {
        strlcat(boot.recovery, (*argv)[i], sizeof(boot.recovery));
        strlcat(boot.recovery, "\n", sizeof(boot.recovery));
    }
    set_bootloader_message(&boot);
}