Add short delays before detaching from the USB bus in the bootloaders (thanks to...
[pub/lufa.git] / Bootloaders / CDC / BootloaderCDC.h
index 98154c2..3c19bdf 100644 (file)
@@ -1,24 +1,24 @@
 /*
              LUFA Library
-     Copyright (C) Dean Camera, 2010.
-              
+     Copyright (C) Dean Camera, 2018.
+
   dean [at] fourwalledcubicle [dot] com
-      www.fourwalledcubicle.com
+           www.lufa-lib.org
 */
 
 /*
-  Copyright 2010  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 
+  Permission to use, copy, modify, distribute, and sell this
   software and its documentation for any purpose is hereby granted
-  without fee, provided that the above copyright notice appear in 
+  without fee, provided that the above copyright notice appear in
   all copies and that both that the copyright notice and this
-  permission notice and warranty disclaimer appear in supporting 
-  documentation, and that the name of the author not be used in 
-  advertising or publicity pertaining to distribution of the 
+  permission notice and warranty disclaimer appear in supporting
+  documentation, and that the name of the author not be used in
+  advertising or publicity pertaining to distribution of the
   software without specific, written prior permission.
 
-  The author disclaim all warranties with regard to this
+  The author disclaims all warranties with regard to this
   software, including all implied warranties of merchantability
   and fitness.  In no event shall the author be liable for any
   special, indirect or consequential damages or any damages
@@ -32,7 +32,7 @@
  *
  *  Header file for BootloaderCDC.c.
  */
+
 #ifndef _CDC_H_
 #define _CDC_H_
 
                #include <avr/eeprom.h>
                #include <avr/power.h>
                #include <avr/interrupt.h>
+               #include <util/delay.h>
                #include <stdbool.h>
 
                #include "Descriptors.h"
+               #include "BootloaderAPI.h"
+               #include "Config/AppConfig.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. */
 
                /** Version minor of the CDC bootloader. */
                #define BOOTLOADER_VERSION_MINOR     0x00
-                               
+
                /** Hardware version major of the CDC bootloader. */
                #define BOOTLOADER_HWVERSION_MAJOR   0x01
 
                /** Hardware version minor of the CDC bootloader. */
                #define BOOTLOADER_HWVERSION_MINOR   0x00
 
-               /** Eight character bootloader firmware identifier reported to the host when requested */
+               /** Eight character bootloader firmware identifier reported to the host when requested. */
                #define SOFTWARE_IDENTIFIER          "LUFACDC"
-               
-               /** CDC Class specific request to get the current virtual serial port configuration settings. */
-               #define REQ_GetLineEncoding          0x21
 
-               /** CDC Class specific request to set the current virtual serial port configuration settings. */
-               #define REQ_SetLineEncoding          0x20
+               /** Magic bootloader key to unlock forced application start mode. */
+               #define MAGIC_BOOT_KEY               0xDC42
 
-       /* Type Defines: */
-               /** Type define for the virtual serial port line encoding settings, for storing the current USART configuration
-                *  as set by the host via a class specific request.
-                */
-               typedef struct
-               {
-                       uint32_t BaudRateBPS; /**< Baud rate of the virtual serial port, in bits per second */
-                       uint8_t  CharFormat; /**< Character format of the virtual serial port, a value from the
-                                             *   CDCDevice_CDC_LineCodingFormats_t enum
-                                             */
-                       uint8_t  ParityType; /**< Parity setting of the virtual serial port, a value from the
-                                             *   CDCDevice_LineCodingParity_t enum
-                                             */
-                       uint8_t  DataBits; /**< Bits of data per character of the virtual serial port */
-               } CDC_Line_Coding_t;
-
-               /** 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;
-               
        /* Enums: */
-               /** Enum for the possible line encoding formats of a virtual serial port. */
-               enum CDCDevice_CDC_LineCodingFormats_t
+               /** Possible memory types that can be addressed via the bootloader. */
+               enum AVR109_Memories
                {
-                       OneStopBit          = 0, /**< Each frame contains one stop bit */
-                       OneAndAHalfStopBits = 1, /**< Each frame contains one and a half stop bits */
-                       TwoStopBits         = 2, /**< Each frame contains two stop bits */
+                       MEMORY_TYPE_FLASH  = 'F',
+                       MEMORY_TYPE_EEPROM = 'E',
                };
-               
-               /** Enum for the possible line encoding parity settings of a virtual serial port. */
-               enum CDCDevice_LineCodingParity_t
+
+               /** Possible commands that can be issued to the bootloader. */
+               enum AVR109_Commands
                {
-                       Parity_None         = 0, /**< No parity bit mode on each frame */
-                       Parity_Odd          = 1, /**< Odd parity bit mode on each frame */
-                       Parity_Even         = 2, /**< Even parity bit mode on each frame */
-                       Parity_Mark         = 3, /**< Mark parity bit mode on each frame */
-                       Parity_Space        = 4, /**< Space parity bit mode on each frame */
+                       AVR109_COMMAND_Sync                     = 27,
+                       AVR109_COMMAND_ReadEEPROM               = 'd',
+                       AVR109_COMMAND_WriteEEPROM              = 'D',
+                       AVR109_COMMAND_ReadFLASHWord            = 'R',
+                       AVR109_COMMAND_WriteFlashPage           = 'm',
+                       AVR109_COMMAND_FillFlashPageWordLow     = 'c',
+                       AVR109_COMMAND_FillFlashPageWordHigh    = 'C',
+                       AVR109_COMMAND_GetBlockWriteSupport     = 'b',
+                       AVR109_COMMAND_BlockWrite               = 'B',
+                       AVR109_COMMAND_BlockRead                = 'g',
+                       AVR109_COMMAND_ReadExtendedFuses        = 'Q',
+                       AVR109_COMMAND_ReadHighFuses            = 'N',
+                       AVR109_COMMAND_ReadLowFuses             = 'F',
+                       AVR109_COMMAND_ReadLockbits             = 'r',
+                       AVR109_COMMAND_WriteLockbits            = 'l',
+                       AVR109_COMMAND_EraseFLASH               = 'e',
+                       AVR109_COMMAND_ReadSignature            = 's',
+                       AVR109_COMMAND_ReadBootloaderSWVersion  = 'V',
+                       AVR109_COMMAND_ReadBootloaderHWVersion  = 'v',
+                       AVR109_COMMAND_ReadBootloaderIdentifier = 'S',
+                       AVR109_COMMAND_ReadBootloaderInterface  = 'p',
+                       AVR109_COMMAND_SetCurrentAddress        = 'A',
+                       AVR109_COMMAND_ReadAutoAddressIncrement = 'a',
+                       AVR109_COMMAND_ReadPartCode             = 't',
+                       AVR109_COMMAND_EnterProgrammingMode     = 'P',
+                       AVR109_COMMAND_LeaveProgrammingMode     = 'L',
+                       AVR109_COMMAND_SelectDeviceType         = 'T',
+                       AVR109_COMMAND_SetLED                   = 'x',
+                       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;
+
        /* Function Prototypes: */
-               void CDC_Task(void);
-               void SetupHardware(void);
+               static void CDC_Task(void);
+               static void SetupHardware(void);
+
+               void Application_Jump_Check(void) ATTR_INIT_SECTION(3);
 
                void EVENT_USB_Device_ConfigurationChanged(void);
 
                #if defined(INCLUDE_FROM_BOOTLOADERCDC_C) || defined(__DOXYGEN__)
+                       #if !defined(NO_BLOCK_SUPPORT)
                        static void    ReadWriteMemoryBlock(const uint8_t Command);
+                       #endif
                        static uint8_t FetchNextCommandByte(void);
                        static void    WriteNextResponseByte(const uint8_t Response);
                #endif
 
 #endif
+