Be doubly-certain that the incomming CDC class driver's endpoint/pipe is flushed...

[pub/USBasp.git] / Bootloaders / CDC / BootloaderCDC.c

diff --git a/Bootloaders/CDC/BootloaderCDC.c b/Bootloaders/CDC/BootloaderCDC.c
index 6769a0c..482859b 100644 (file)
--- a/Bootloaders/CDC/BootloaderCDC.c
+++ b/Bootloaders/CDC/BootloaderCDC.c
@@ -1,21 +1,21 @@
 /*\r
              LUFA Library\r
-     Copyright (C) Dean Camera, 2009.\r
+     Copyright (C) Dean Camera, 2010.\r
               \r
   dean [at] fourwalledcubicle [dot] com\r
       www.fourwalledcubicle.com\r
 */\r
 \r
 /*\r
-  Copyright 2009  Dean Camera (dean [at] fourwalledcubicle [dot] com)\r
-\r
-  Permission to use, copy, modify, and distribute this software\r
-  and its documentation for any purpose and without fee is hereby\r
-  granted, provided that the above copyright notice appear in all\r
-  copies and that both that the copyright notice and this\r
-  permission notice and warranty disclaimer appear in supporting\r
-  documentation, and that the name of the author not be used in\r
-  advertising or publicity pertaining to distribution of the\r
+  Copyright 2010  Dean Camera (dean [at] fourwalledcubicle [dot] com)\r
+\r
+  Permission to use, copy, modify, distribute, and sell this \r
+  software and its documentation for any purpose is hereby granted\r
+  without fee, provided that the above copyright notice appear in \r
+  all copies and that both that the copyright notice and this\r
+  permission notice and warranty disclaimer appear in supporting \r
+  documentation, and that the name of the author not be used in \r
+  advertising or publicity pertaining to distribution of the \r
   software without specific, written prior permission.\r
 \r
   The author disclaim all warranties with regard to this\r
@@ -36,7 +36,6 @@
 #define  INCLUDE_FROM_BOOTLOADERCDC_C\r
 #include "BootloaderCDC.h"\r
 \r
-/* Globals: */\r
 /** Line coding options for the virtual serial port. Although the virtual serial port data is never\r
  *  sent through a physical serial port, the line encoding data must still be read and preserved from\r
  *  the host, or the host will detect a problem and fail to open the port. This structure contains the\r
@@ -116,15 +115,6 @@ void ResetHardware(void)
        boot_rww_enable();\r
 }\r
 \r
-/** Event handler for the USB_Disconnect event. This indicates that the bootloader should exit and the user\r
- *  application started.\r
- */\r
-void EVENT_USB_Device_Disconnect(void)\r
-{\r
-       /* Upon disconnection, run user application */\r
-       RunBootloader = false;\r
-}\r
-\r
 /** Event handler for the USB_ConfigurationChanged event. This configures the device's endpoints ready\r
  *  to relay data to and from the attached USB host.\r
  */\r
@@ -235,15 +225,7 @@ static void ReadWriteMemoryBlock(const uint8_t Command)
 \r
                while (BlockSize--)\r
                {\r
-                       if (MemoryType == 'E')\r
-                       {\r
-                               /* Read the next EEPROM byte into the endpoint */\r
-                               WriteNextResponseByte(eeprom_read_byte((uint8_t*)(uint16_t)(CurrAddress >> 1)));\r
-\r
-                               /* Increment the address counter after use */\r
-                               CurrAddress += 2;\r
-                       }\r
-                       else\r
+                       if (MemoryType == 'F')\r
                        {\r
                                /* Read the next FLASH byte from the current FLASH page */\r
                                #if (FLASHEND > 0xFFFF)\r
@@ -258,6 +240,14 @@ static void ReadWriteMemoryBlock(const uint8_t Command)
                                \r
                                HighByte = !HighByte;\r
                        }\r
+                       else\r
+                       {\r
+                               /* Read the next EEPROM byte into the endpoint */\r
+                               WriteNextResponseByte(eeprom_read_byte((uint8_t*)(uint16_t)(CurrAddress >> 1)));\r
+\r
+                               /* Increment the address counter after use */\r
+                               CurrAddress += 2;\r
+                       }                       \r
                }\r
        }\r
        else\r
@@ -353,7 +343,7 @@ static void WriteNextResponseByte(const uint8_t Response)
        /* Select the IN endpoint so that the next data byte can be written */\r
        Endpoint_SelectEndpoint(CDC_TX_EPNUM);\r
        \r
-       /* If IN endpoint full, clear it and wait util ready for the next packet to the host */\r
+       /* If IN endpoint full, clear it and wait until ready for the next packet to the host */\r
        if (!(Endpoint_IsReadWriteAllowed()))\r
        {\r
                Endpoint_ClearIN();\r
@@ -533,7 +523,7 @@ void CDC_Task(void)
                else if (Command == 'D')\r
                {\r
                        /* Read the byte from the endpoint and write it to the EEPROM */\r
-                       eeprom_write_byte((uint8_t*)(uint16_t)(CurrAddress >> 1), FetchNextCommandByte());\r
+                       eeprom_write_byte((uint8_t*)((uint16_t)(CurrAddress >> 1)), FetchNextCommandByte());\r
                        \r
                        /* Increment the address after use */                   \r
                        CurrAddress += 2;\r
@@ -544,7 +534,7 @@ void CDC_Task(void)
                else if (Command == 'd')\r
                {\r
                        /* Read the EEPROM byte and write it to the endpoint */\r
-                       WriteNextResponseByte(eeprom_read_byte((uint8_t*)(uint16_t)(CurrAddress >> 1)));\r
+                       WriteNextResponseByte(eeprom_read_byte((uint8_t*)((uint16_t)(CurrAddress >> 1))));\r
 \r
                        /* Increment the address after use */\r
                        CurrAddress += 2;\r