From: Lars Op den Kamp <lars@opdenkamp.eu>
Date: Mon, 14 May 2012 13:57:43 +0000 (+0200)
Subject: cec: display an alert message in case the connection couldn't be opened because of... 
X-Git-Tag: upstream/2.2.0~1^2~28^2~10
X-Git-Url: https://git.piment-noir.org/?a=commitdiff_plain;h=7068f331f39c119c8d5ef11860e080f12841f2ce;p=deb_libcec.git

cec: display an alert message in case the connection couldn't be opened because of permission errors, or if the port is busy
---

diff --git a/include/cectypes.h b/include/cectypes.h
index a8ff6f6..77b9927 100644
--- a/include/cectypes.h
+++ b/include/cectypes.h
@@ -1090,7 +1090,9 @@ typedef struct cec_logical_addresses
 typedef enum libcec_alert
 {
   CEC_ALERT_SERVICE_DEVICE,
-  CEC_ALERT_CONNECTION_LOST
+  CEC_ALERT_CONNECTION_LOST,
+  CEC_ALERT_PERMISSION_ERROR,
+  CEC_ALERT_PORT_BUSY
 } libcec_alert;
 
 typedef enum libcec_parameter_type
diff --git a/src/lib/adapter/USBCECAdapterCommunication.cpp b/src/lib/adapter/USBCECAdapterCommunication.cpp
index a68cfd3..08ae62c 100644
--- a/src/lib/adapter/USBCECAdapterCommunication.cpp
+++ b/src/lib/adapter/USBCECAdapterCommunication.cpp
@@ -122,6 +122,21 @@ bool CUSBCECAdapterCommunication::Open(uint32_t iTimeoutMs /* = CEC_DEFAULT_CONN
     if (!bConnectionOpened)
     {
       LIB_CEC->AddLog(CEC_LOG_ERROR, strError);
+
+      if (m_port->GetErrorNumber() == EACCES)
+      {
+        libcec_parameter param;
+        param.paramType = CEC_PARAMETER_TYPE_STRING;
+        param.paramData = (void*)"No permission to open the device";
+        LIB_CEC->Alert(CEC_ALERT_PERMISSION_ERROR, param);
+      }
+      else if (m_port->GetErrorNumber() == EBUSY)
+      {
+        libcec_parameter param;
+        param.paramType = CEC_PARAMETER_TYPE_STRING;
+        param.paramData = (void*)"The serial port is busy. Only one program can access the device directly.";
+        LIB_CEC->Alert(CEC_ALERT_PORT_BUSY, param);
+      }
       return false;
     }