100 lines
3.5 KiB
C
100 lines
3.5 KiB
C
/*
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LUFA Library
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Copyright (C) Dean Camera, 2019.
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dean [at] fourwalledcubicle [dot] com
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www.lufa-lib.org
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*/
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/*
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Copyright 2019 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 disclaims 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 ISPProtocol.c.
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*/
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#ifndef _ISP_PROTOCOL_
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#define _ISP_PROTOCOL_
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/* Includes: */
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#include <avr/io.h>
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#include <util/atomic.h>
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#include <util/delay.h>
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#include <LUFA/Drivers/USB/USB.h>
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#include "../V2Protocol.h"
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#include "Config/AppConfig.h"
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/* Macros: */
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/** Calibration clock frequency for target OSCCAL calibration, see AVR053 application note. */
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#define ISPPROTOCOL_CALIB_CLOCK_HZ 32768
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/** Internal timer ticks per calibration clock cycle, see AVR053 application note. */
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#define ISPPROTOCOL_CALIB_TICKS ( (F_CPU + ISPPROTOCOL_CALIB_CLOCK_HZ) / (2 * ISPPROTOCOL_CALIB_CLOCK_HZ) )
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/** Per AVR053, calibration guaranteed to take 1024 cycles (2048 half-cycles) or fewer;
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* add some cycles for response delay (5-10 after success) and response itself.
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*/
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#define ISPPROTOCOL_CALIB_HALF_CYCLE_LIMIT (2*1024 + 50)
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/** Per AVR053, target will toggle I/O pin 8 times to indicate a successful clock calibration.
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*/
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#define ISPPROTOCOL_CALIB_SUCCESS_TOGGLE_NUM 8
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/* Preprocessor Checks: */
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#if ((BOARD == BOARD_XPLAIN) || (BOARD == BOARD_XPLAIN_REV1))
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#undef ENABLE_ISP_PROTOCOL
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#if !defined(ENABLE_XPROG_PROTOCOL)
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#define ENABLE_XPROG_PROTOCOL
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#endif
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#endif
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/* Macros: */
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/** Mask for the reading or writing of the high byte in a FLASH word when issuing a low-level programming command. */
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#define READ_WRITE_HIGH_BYTE_MASK (1 << 3)
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#define PROG_MODE_PAGED_WRITES_MASK (1 << 0)
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#define PROG_MODE_WORD_TIMEDELAY_MASK (1 << 1)
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#define PROG_MODE_WORD_VALUE_MASK (1 << 2)
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#define PROG_MODE_WORD_READYBUSY_MASK (1 << 3)
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#define PROG_MODE_PAGED_TIMEDELAY_MASK (1 << 4)
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#define PROG_MODE_PAGED_VALUE_MASK (1 << 5)
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#define PROG_MODE_PAGED_READYBUSY_MASK (1 << 6)
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#define PROG_MODE_COMMIT_PAGE_MASK (1 << 7)
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/* Function Prototypes: */
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void ISPProtocol_EnterISPMode(void);
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void ISPProtocol_LeaveISPMode(void);
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void ISPProtocol_ProgramMemory(const uint8_t V2Command);
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void ISPProtocol_ReadMemory(const uint8_t V2Command);
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void ISPProtocol_ChipErase(void);
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void ISPProtocol_Calibrate(void);
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void ISPProtocol_ReadFuseLockSigOSCCAL(const uint8_t V2Command);
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void ISPProtocol_WriteFuseLock(const uint8_t V2Command);
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void ISPProtocol_SPIMulti(void);
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void ISPProtocol_DelayMS(uint8_t DelayMS);
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#endif
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