Embedded Artists / DM_USBHost

Adaptation of the official mbed USBHost repository to work with the LPC4088 Display Module

Dependents:   DMSupport DMSupport DMSupport DMSupport

Fork of DM_USBHost by EmbeddedArtists AB

Files at this revision

API Documentation at this revision

Revision 30:ffec1f271b7c, committed 2015-01-20

Comitter:
embeddedartists
Date:
Tue Jan 20 09:09:10 2015 +0100
Parent:
29:dc8179214fd7
Child:
31:9a462d032742
Commit message:
Added notification upon connect/disconnect so that the user knows when it is
time to scan for disconnected devices and/or attempt to connect to new devices.

Changed in this revision

USBHost/USBHost.cpp Show annotated file Show diff for this revision Revisions of this file
USBHost/USBHost.h Show annotated file Show diff for this revision Revisions of this file 
--- a/USBHost/USBHost.cpp	Mon Dec 08 12:46:05 2014 +0000
+++ b/USBHost/USBHost.cpp	Tue Jan 20 09:09:10 2015 +0100
@@ -186,6 +186,10 @@
                       }
 
                     } while(0);
+                    
+                    if (listener != 0) {
+                      osSignalSet(listener, listenerSignal);
+                    }
 
                     break;
 
@@ -211,6 +215,10 @@
 
                     } while(0);
 
+                    if (listener != 0) {
+                      osSignalSet(listener, listenerSignal);
+                    }
+                    
                     break;
 
                 // a td has been processed
@@ -283,6 +291,9 @@
         hub_in_use[i] = false;
     }
 #endif
+    
+    listener = NULL;
+    listenerSignal = 0;
 }
 
 USBHost::Lock::Lock(USBHost* pHost) : m_pHost(pHost)

--- a/USBHost/USBHost.h	Mon Dec 08 12:46:05 2014 +0000
+++ b/USBHost/USBHost.h	Tue Jan 20 09:09:10 2015 +0100
@@ -186,6 +186,8 @@
             dev->onDisconnect(intf, fn);
         }
     }
+    
+    void signalOnConnections(osThreadId threadId, uint32_t signal) { listener = threadId; listenerSignal = signal; }
 
     /**
      * Instantiate to protect USB thread from accessing shared objects (USBConnectedDevices and Interfaces)
@@ -283,6 +285,9 @@
     Mail<message_t, 10> mail_usb_event;
     Mutex usb_mutex;
     Mutex td_mutex;
+    
+    osThreadId listener;
+    uint32_t listenerSignal;
 
     // buffer for conf descriptor
 #define SAFE_USB_HOST_DATA_BUFF_SIZE (415)