Add short delays before detaching from the USB bus in the bootloaders (thanks to...
[pub/lufa.git] / Bootloaders / CDC / BootloaderCDC.h
index 832cc8b..3c19bdf 100644 (file)
@@ -1,13 +1,13 @@
 /*
              LUFA Library
 /*
              LUFA Library
-     Copyright (C) Dean Camera, 2012.
+     Copyright (C) Dean Camera, 2018.
 
   dean [at] fourwalledcubicle [dot] com
            www.lufa-lib.org
 */
 
 /*
 
   dean [at] fourwalledcubicle [dot] com
            www.lufa-lib.org
 */
 
 /*
-  Copyright 2012  Dean Camera (dean [at] fourwalledcubicle [dot] com)
+  Copyright 2018  Dean Camera (dean [at] fourwalledcubicle [dot] com)
 
   Permission to use, copy, modify, distribute, and sell this
   software and its documentation for any purpose is hereby granted
 
   Permission to use, copy, modify, distribute, and sell this
   software and its documentation for any purpose is hereby granted
@@ -43,6 +43,7 @@
                #include <avr/eeprom.h>
                #include <avr/power.h>
                #include <avr/interrupt.h>
                #include <avr/eeprom.h>
                #include <avr/power.h>
                #include <avr/interrupt.h>
+               #include <util/delay.h>
                #include <stdbool.h>
 
                #include "Descriptors.h"
                #include <stdbool.h>
 
                #include "Descriptors.h"
 
                #include <LUFA/Drivers/USB/USB.h>
                #include <LUFA/Drivers/Board/LEDs.h>
 
                #include <LUFA/Drivers/USB/USB.h>
                #include <LUFA/Drivers/Board/LEDs.h>
+               #include <LUFA/Platform/Platform.h>
+
+       /* Preprocessor Checks: */
+               #if !defined(__OPTIMIZE_SIZE__)
+                       #error This bootloader requires that it be optimized for size, not speed, to fit into the target device. Change optimization settings and try again.
+               #endif
 
        /* Macros: */
                /** Version major of the CDC bootloader. */
 
        /* Macros: */
                /** Version major of the CDC bootloader. */
@@ -70,7 +77,7 @@
 
                /** Magic bootloader key to unlock forced application start mode. */
                #define MAGIC_BOOT_KEY               0xDC42
 
                /** Magic bootloader key to unlock forced application start mode. */
                #define MAGIC_BOOT_KEY               0xDC42
-       
+
        /* Enums: */
                /** Possible memory types that can be addressed via the bootloader. */
                enum AVR109_Memories
        /* Enums: */
                /** Possible memory types that can be addressed via the bootloader. */
                enum AVR109_Memories
@@ -78,7 +85,7 @@
                        MEMORY_TYPE_FLASH  = 'F',
                        MEMORY_TYPE_EEPROM = 'E',
                };
                        MEMORY_TYPE_FLASH  = 'F',
                        MEMORY_TYPE_EEPROM = 'E',
                };
-               
+
                /** Possible commands that can be issued to the bootloader. */
                enum AVR109_Commands
                {
                /** Possible commands that can be issued to the bootloader. */
                enum AVR109_Commands
                {
                        AVR109_COMMAND_WriteLockbits            = 'l',
                        AVR109_COMMAND_EraseFLASH               = 'e',
                        AVR109_COMMAND_ReadSignature            = 's',
                        AVR109_COMMAND_WriteLockbits            = 'l',
                        AVR109_COMMAND_EraseFLASH               = 'e',
                        AVR109_COMMAND_ReadSignature            = 's',
-                       AVR109_COMMAND_ReadBootloaderVersion    = 'V',
+                       AVR109_COMMAND_ReadBootloaderSWVersion  = 'V',
+                       AVR109_COMMAND_ReadBootloaderHWVersion  = 'v',
                        AVR109_COMMAND_ReadBootloaderIdentifier = 'S',
                        AVR109_COMMAND_ReadBootloaderInterface  = 'p',
                        AVR109_COMMAND_SetCurrentAddress        = 'A',
                        AVR109_COMMAND_ReadBootloaderIdentifier = 'S',
                        AVR109_COMMAND_ReadBootloaderInterface  = 'p',
                        AVR109_COMMAND_SetCurrentAddress        = 'A',
                        AVR109_COMMAND_ClearLED                 = 'y',
                        AVR109_COMMAND_ExitBootloader           = 'E',
                };
                        AVR109_COMMAND_ClearLED                 = 'y',
                        AVR109_COMMAND_ExitBootloader           = 'E',
                };
-               
+
        /* Type Defines: */
                /** Type define for a non-returning pointer to the start of the loaded application in flash memory. */
                typedef void (*AppPtr_t)(void) ATTR_NO_RETURN;
        /* Type Defines: */
                /** Type define for a non-returning pointer to the start of the loaded application in flash memory. */
                typedef void (*AppPtr_t)(void) ATTR_NO_RETURN;