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131 lines
4.5 KiB
131 lines
4.5 KiB
/*
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LUFA Library
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Copyright (C) Dean Camera, 2010.
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dean [at] fourwalledcubicle [dot] com
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www.fourwalledcubicle.com
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*/
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/*
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Copyright 2010 Dean Camera (dean [at] fourwalledcubicle [dot] com)
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Permission to use, copy, modify, distribute, and sell this
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software and its documentation for any purpose is hereby granted
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without fee, provided that the above copyright notice appear in
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all copies and that both that the copyright notice and this
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permission notice and warranty disclaimer appear in supporting
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documentation, and that the name of the author not be used in
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advertising or publicity pertaining to distribution of the
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software without specific, written prior permission.
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The author disclaim all warranties with regard to this
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software, including all implied warranties of merchantability
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and fitness. In no event shall the author be liable for any
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special, indirect or consequential damages or any damages
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whatsoever resulting from loss of use, data or profits, whether
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in an action of contract, negligence or other tortious action,
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arising out of or in connection with the use or performance of
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this software.
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*/
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/** \file
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*
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* Header file for BootloaderCDC.c.
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*/
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#ifndef _CDC_H_
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#define _CDC_H_
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/* Includes: */
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#include <avr/io.h>
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#include <avr/wdt.h>
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#include <avr/boot.h>
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#include <avr/eeprom.h>
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#include <avr/power.h>
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#include <avr/interrupt.h>
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#include <stdbool.h>
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#include "Descriptors.h"
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#include <LUFA/Drivers/USB/USB.h>
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/* Macros: */
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/** CDC Class Specific request to get the line encoding on a CDC-ACM virtual serial port, including the
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* baud rate, parity, stop bits and data bits.
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*/
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#define REQ_GetLineEncoding 0x21
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/** CDC Class Specific request to set the line encoding on a CDC-ACM virtual serial port, including the
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* baud rate, parity, stop bits and data bits.
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*/
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#define REQ_SetLineEncoding 0x20
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/** CDC Class Specific request to set the state of the serial handshake lines (such as DCD and RTS) on
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* a CDC-ACM virtual serial port.
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*/
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#define REQ_SetControlLineState 0x22
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/** Version major of the CDC bootloader. */
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#define BOOTLOADER_VERSION_MAJOR 0x01
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/** Version minor of the CDC bootloader. */
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#define BOOTLOADER_VERSION_MINOR 0x00
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/** Hardware version major of the CDC bootloader. */
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#define BOOTLOADER_HWVERSION_MAJOR 0x01
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/** Hardware version minor of the CDC bootloader. */
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#define BOOTLOADER_HWVERSION_MINOR 0x00
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/** Eight character bootloader firmware identifier reported to the host when requested */
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#define SOFTWARE_IDENTIFIER "LUFACDC"
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/* Type Defines: */
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/** Type define for a non-returning pointer to the start of the loaded application in flash memory. */
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typedef void (*AppPtr_t)(void) ATTR_NO_RETURN;
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/** Type define for the CDC-ACM virtual serial port line encoding options, including baud rate, format, parity
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* and size of each data chunk in bits.
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*/
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typedef struct
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{
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uint32_t BaudRateBPS; /**< Baud rate in BPS */
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uint8_t CharFormat; /**< Character format, an entry from the BootloaderCDC_CDC_LineCodingFormats_t enum */
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uint8_t ParityType; /**< Parity mode, an entry from the BootloaderCDC_CDC_LineCodeingParity_t enum */
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uint8_t DataBits; /**< Size of each data chunk, in bits */
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} CDC_Line_Coding_t;
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/* Enums: */
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/** Enum for the possible line encoding formats on a CDC-ACM virtual serial port */
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enum BootloaderCDC_CDC_LineCodingFormats_t
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{
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OneStopBit = 0, /**< Single stop bit */
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OneAndAHalfStopBits = 1, /**< 1.5 stop bits */
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TwoStopBits = 2, /**< Two stop bits */
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};
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/** Enum for the possible parity modes on a CDC-ACM virtual serial port */
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enum BootloaderCDC_CDC_LineCodingParity_t
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{
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Parity_None = 0, /**< No data parity checking */
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Parity_Odd = 1, /**< Odd data parity checking */
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Parity_Even = 2, /**< Even data parity checking */
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Parity_Mark = 3, /**< Mark data parity checking */
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Parity_Space = 4, /**< Space data parity checking */
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};
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/* Function Prototypes: */
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void CDC_Task(void);
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void SetupHardware(void);
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void EVENT_USB_Device_ConfigurationChanged(void);
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void EVENT_USB_Device_UnhandledControlRequest(void);
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#if defined(INCLUDE_FROM_BOOTLOADERCDC_C) || defined(__DOXYGEN__)
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static void ReadWriteMemoryBlock(const uint8_t Command);
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static uint8_t FetchNextCommandByte(void);
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static void WriteNextResponseByte(const uint8_t Response);
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#endif
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#endif
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