more precise using PIIODevice::reading_now flag, Warning! one should use it manually now

small enum fix for pip_cmg

libs/cloud/picloudclient.cpp

@@ -107,6 +107,7 @@ bool PICloudClient::closeDevice() {
 ssize_t PICloudClient::readDevice(void * read_to, ssize_t max_size) {
 	if (is_deleted) return -1;
 	//piCoutObj << "readDevice";
+	reading_now = true;
 	if (!is_connected && eth.isClosed()) openDevice();
 	ssize_t sz = -1;
 	mutex_buff.lock();
@@ -118,6 +119,7 @@ ssize_t PICloudClient::readDevice(void * read_to, ssize_t max_size) {
 	}
 	mutex_buff.unlock();
 	if (!is_connected) opened_ = false;
+	reading_now = false;
 	//piCoutObj << "readDevice done" << sz;
 	return sz;
 }