mirror of
https://github.com/qmk/qmk_firmware.git
synced 2025-06-07 00:42:50 +00:00
d1608d4af3
Added command timeout to the AVRISP project so that incorrectly connected targets no longer freeze the device. Removed string descriptors from the TeensyHID bootloader to reduce its size.
102 lines
3.2 KiB
C
102 lines
3.2 KiB
C
/*
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LUFA Library
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Copyright (C) Dean Camera, 2009.
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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 2009 Dean Camera (dean [at] fourwalledcubicle [dot] com)
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Permission to use, copy, modify, and distribute this software
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and its documentation for any purpose and without fee is hereby
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granted, provided that the above copyright notice appear in all
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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 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 <LUFA/Drivers/USB/USB.h>
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#include "../V2Protocol.h"
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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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/* Inline Functions: */
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/** Blocking delay for a given number of milliseconds, via a hardware timer.
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*
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* \param[in] DelayMS Number of milliseconds to delay for
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*/
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static inline void ISPProtocol_DelayMS(uint8_t DelayMS)
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{
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OCR2A = ((F_CPU / 64) / 1000);
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TCCR2A = (1 << WGM01);
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TCCR2B = ((1 << CS01) | (1 << CS00));
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while (DelayMS)
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{
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if (TIFR2 & (1 << OCF2A))
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{
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TIFR2 = (1 << OCF2A);
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DelayMS--;
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}
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}
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TCCR2B = 0;
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}
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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_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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#endif
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