打开电源的操作也仅在没有电源时执行

app/src/main/cpp/GPIOControl.cpp

@@ -32,22 +32,21 @@ bool GpioControl::m_cameraPowerStatus = false;
 
 size_t GpioControl::turnOnImpl(const IOT_PARAM& param)
 {
+    size_t oldRef = 0;
     size_t references = 1;
     std::vector<ITEM>::iterator it;
     int res = 0;
     int fd = -1;
     time_t now = time(NULL);
 
-    fd = open(GPIO_NODE_MP, O_RDONLY);
-    if( fd > 0 )
-    {
-        res = ioctl(fd, IOT_PARAM_WRITE, &param);
-        close(fd);
-        // check res???
+    m_locker.lock();
+
+// check res???
     for (it = m_items.begin(); it != m_items.end(); ++it)
     {
         if (it->cmd == param.cmd)
         {
+            oldRef = it->references;
             it->references++;
             // it->closeTime = 0;
             references = it->references;
@@ -59,15 +58,31 @@ size_t GpioControl::turnOnImpl(const IOT_PARAM& param)
     }
     if (it == m_items.end())
     {
+        oldRef = 0;
         ITEM item = {param.cmd, references, 0, 0, now};
         m_items.push_back(item);
         SetCamerastatus(param.cmd, true);
     }
+    m_locker.unlock();
+
+    if (oldRef == 0)
+    {
+        fd = open(GPIO_NODE_MP, O_RDONLY);
+        if( fd > 0 )
+        {
+            res = ioctl(fd, IOT_PARAM_WRITE, &param);
+            close(fd);
+#ifdef OUTPUT_DBG_INFO
+            XYLOG(XYLOG_SEVERITY_INFO, "setInt cmd=%d,value=%d,result=%d\r\n",param.cmd, param.value, param.result);
+#endif
+
         }
 #ifdef _DEBUG
         ALOGI("PWR TurnOn cmd=%d,result=%d ref=%u\r\n",param.cmd, param.result, (uint32_t)references);
 #endif
         std::this_thread::sleep_for(std::chrono::milliseconds(100));
+    }
+
     return references;
 }
 
@@ -81,10 +96,11 @@ void GpioControl::setInt(int cmd, int value)
     if (fd > 0)
     {
         int res = ioctl(fd, IOT_PARAM_WRITE, &param);
+        close(fd);
 #ifdef OUTPUT_DBG_INFO
-        XYLOG(XYLOG_SEVERITY_DEBUG, "setInt cmd=%d,value=%d,result=%d\r\n",param.cmd, param.value, param.result);
+        int realVal = getInt(param.cmd);
+        XYLOG(XYLOG_SEVERITY_INFO, "setInt cmd=%d,value=%d,result=%d RealVal=%d",param.cmd, param.value, param.result, realVal);
 #endif
-        close(fd);
     }
 }