Cache the USB_DeviceState variable internally in the library core when multiple check...

diff --git a/LUFA/Drivers/USB/HighLevel/Template/Template_Endpoint_Control_R.c b/LUFA/Drivers/USB/HighLevel/Template/Template_Endpoint_Control_R.c
index 43abe6e..c8bfaeb 100644 (file)
--- a/LUFA/Drivers/USB/HighLevel/Template/Template_Endpoint_Control_R.c
+++ b/LUFA/Drivers/USB/HighLevel/Template/Template_Endpoint_Control_R.c
@@ -8,13 +8,14 @@ uint8_t TEMPLATE_FUNC_NAME (void* Buffer,
        
        while (Length)
        {
-               if (Endpoint_IsSETUPReceived())
-                 return ENDPOINT_RWCSTREAM_HostAborted;
+               uint8_t USB_DeviceState_LCL = USB_DeviceState;
 
-               if (USB_DeviceState == DEVICE_STATE_Unattached)
+               if (USB_DeviceState_LCL == DEVICE_STATE_Unattached)
                  return ENDPOINT_RWCSTREAM_DeviceDisconnected;
-               else if (USB_DeviceState == DEVICE_STATE_Suspended)
+               else if (USB_DeviceState_LCL == DEVICE_STATE_Suspended)
                  return ENDPOINT_RWCSTREAM_BusSuspended;
+               else if (Endpoint_IsSETUPReceived())
+                 return ENDPOINT_RWCSTREAM_HostAborted;
                  
                if (Endpoint_IsOUTReceived())
                {
@@ -30,9 +31,11 @@ uint8_t TEMPLATE_FUNC_NAME (void* Buffer,
        
        while (!(Endpoint_IsINReady()))
        {
-               if (USB_DeviceState == DEVICE_STATE_Unattached)
+               uint8_t USB_DeviceState_LCL = USB_DeviceState;
+
+               if (USB_DeviceState_LCL == DEVICE_STATE_Unattached)
                  return ENDPOINT_RWCSTREAM_DeviceDisconnected;
-               else if (USB_DeviceState == DEVICE_STATE_Suspended)
+               else if (USB_DeviceState_LCL == DEVICE_STATE_Suspended)
                  return ENDPOINT_RWCSTREAM_BusSuspended;
        }
        

diff --git a/LUFA/Drivers/USB/HighLevel/Template/Template_Endpoint_Control_W.c b/LUFA/Drivers/USB/HighLevel/Template/Template_Endpoint_Control_W.c
index c9d81f3..0ae7feb 100644 (file)
--- a/LUFA/Drivers/USB/HighLevel/Template/Template_Endpoint_Control_W.c
+++ b/LUFA/Drivers/USB/HighLevel/Template/Template_Endpoint_Control_W.c
@@ -11,17 +11,17 @@ uint8_t TEMPLATE_FUNC_NAME (const void* Buffer,
 
        while (Length || LastPacketFull)
        {
-               if (Endpoint_IsSETUPReceived())
-                 return ENDPOINT_RWCSTREAM_HostAborted;
-
-               if (Endpoint_IsOUTReceived())
-                 break;
+               uint8_t USB_DeviceState_LCL = USB_DeviceState;
                
-               if (USB_DeviceState == DEVICE_STATE_Unattached)
+               if (USB_DeviceState_LCL == DEVICE_STATE_Unattached)
                  return ENDPOINT_RWCSTREAM_DeviceDisconnected;
-               else if (USB_DeviceState == DEVICE_STATE_Suspended)
+               else if (USB_DeviceState_LCL == DEVICE_STATE_Suspended)
                  return ENDPOINT_RWCSTREAM_BusSuspended;
-                 
+               else if (Endpoint_IsSETUPReceived())
+                 return ENDPOINT_RWCSTREAM_HostAborted;
+               else if (Endpoint_IsOUTReceived())
+                 break;
+
                if (Endpoint_IsINReady())
                {
                        uint16_t BytesInEndpoint = Endpoint_BytesInEndpoint();
@@ -40,9 +40,11 @@ uint8_t TEMPLATE_FUNC_NAME (const void* Buffer,
        
        while (!(Endpoint_IsOUTReceived()))
        {
-               if (USB_DeviceState == DEVICE_STATE_Unattached)
+               uint8_t USB_DeviceState_LCL = USB_DeviceState;
+
+               if (USB_DeviceState_LCL == DEVICE_STATE_Unattached)
                  return ENDPOINT_RWCSTREAM_DeviceDisconnected;
-               else if (USB_DeviceState == DEVICE_STATE_Suspended)
+               else if (USB_DeviceState_LCL == DEVICE_STATE_Suspended)
                  return ENDPOINT_RWCSTREAM_BusSuspended;
        }
 

diff --git a/LUFA/Drivers/USB/LowLevel/Endpoint.c b/LUFA/Drivers/USB/LowLevel/Endpoint.c
index fc54e11..fc2bff1 100644 (file)
--- a/LUFA/Drivers/USB/LowLevel/Endpoint.c
+++ b/LUFA/Drivers/USB/LowLevel/Endpoint.c
@@ -115,10 +115,12 @@ uint8_t Endpoint_WaitUntilReady(void)
                          return ENDPOINT_READYWAIT_NoError;
                }
                
-               if (USB_DeviceState == DEVICE_STATE_Unattached)
+               uint8_t USB_DeviceState_LCL = USB_DeviceState;
+
+               if (USB_DeviceState_LCL == DEVICE_STATE_Unattached)
                  return ENDPOINT_READYWAIT_DeviceDisconnected;
-               else if (USB_DeviceState == DEVICE_STATE_Suspended)
-                 return ENDPOINT_READYWAIT_BusSuspended;
+               else if (USB_DeviceState_LCL == DEVICE_STATE_Suspended)
+                 return ENDPOINT_READYWAIT_BusSuspended;               
                else if (Endpoint_IsStalled())
                  return ENDPOINT_READYWAIT_EndpointStalled;
 

diff --git a/LUFA/ManPages/ChangeLog.txt b/LUFA/ManPages/ChangeLog.txt
index 805b3e1..4aec153 100644 (file)
--- a/LUFA/ManPages/ChangeLog.txt
+++ b/LUFA/ManPages/ChangeLog.txt
@@ -18,7 +18,7 @@
   *    handling of USB Start of Frame events while in USB Host mode
   *  - Added new PRNT_Host_BytesReceived(), PRNT_Host_ReceiveByte(), PRNT_Host_SendByte() and PRNT_Host_Flush() functions to the
   *    Print Host Class driver
-  *  - Added class specific descriptor type defines with standard USB-IF element naming
+  *  - Added class specific descriptor alternative struct type defines with standard USB-IF element naming
   *  - Added new project makefile template to the library and moved board driver stub files into in a new "CodeTemplates" directory
   *  - Added board hardware driver support for the Linnix UDIP development board
   *  - Added board hardware driver support for the Busware BUI development board
@@ -42,7 +42,7 @@
   *  - Changed over all demos, drivers and internal functions to use the current frame number over the Start of Frame flag where possible
   *    to free up the Start of Frame flag for interrupt use in the user application
   *  - All project makefiles now correctly clean intermediate build files from assembly and C++ sources (thanks to Daniel Czigany)
-  *  - Removed the EVENT_USB_InitFailure() event, not specifying a USB mode now defaults to UID selection mode
+  *  - Removed the EVENT_USB_InitFailure() event, not specifying a USB mode correctly now defaults to UID selection mode
   *  - Renamed and moved class driver common constant definitions to make the naming scheme more uniform
   *  - Changed default value for the reset polarity parameter in the AVRISP-MKII project so that it defaults to active low drive
   *  - Changed configuration descriptor parser for all host mode projects and class drivers to ensure better compatibility with devices

diff --git a/LUFA/ManPages/SoftwareBootloaderJump.txt b/LUFA/ManPages/SoftwareBootloaderJump.txt
index 6e7ea58..574398c 100644 (file)
--- a/LUFA/ManPages/SoftwareBootloaderJump.txt
+++ b/LUFA/ManPages/SoftwareBootloaderJump.txt
@@ -35,7 +35,7 @@
  *  void Bootloader_Jump_Check(void)
  *  {
  *      // If the reset source was the bootloader and the key is correct, clear it and jump to the bootloader
- *      if ((MCUSR & (1<<WDRF)) && (Boot_Key == MAGIC_BOOT_KEY))
+ *      if ((MCUSR & (1 << WDRF)) && (Boot_Key == MAGIC_BOOT_KEY))
  *      {
  *          Boot_Key = 0;
  *          ((void (*)(void))BOOTLOADER_START_ADDRESS)(); 

diff --git a/LUFA/ManPages/WhyUseLUFA.txt b/LUFA/ManPages/WhyUseLUFA.txt
index 093a025..b6c9358 100644 (file)
--- a/LUFA/ManPages/WhyUseLUFA.txt
+++ b/LUFA/ManPages/WhyUseLUFA.txt
@@ -40,7 +40,7 @@
  *    into difficulties or need some advice. In addition, you can also email the library author to receive personalized
  *    support when you need it (subject to author's schedule).
  *
- *   <small>* Atmel Stack Mouse Device Demo 4292 bytes, LUFA Mouse Low Level Device Demo 3372 bytes, under identical build
+ *   <small>* Atmel Stack Mouse Device Demo 4292 bytes, LUFA Mouse Low Level Device Demo 3332 bytes, under identical build
  *   environments</small>
  */