Squashed 'tmk_core/' changes from caca2c0..dc0e46e
dc0e46e Rename LUFA to LUFA-git 3bfa7fa Remove LUFA-120730 215b764 Merge commit 'afa0f22a9299686fd88f58ce09c5b521ac917e8f' as 'protocol/lufa/LUFA' afa0f22 Squashed 'protocol/lufa/LUFA/' content from commit def7fca c0c42fa Remove submodule of LUFA 30f897d Merge commit '87ced33feb74e79c3281dda36eb6d6d153399b41' as 'protocol/usb_hid/USB_Host_Shield_2.0' 87ced33 Squashed 'protocol/usb_hid/USB_Host_Shield_2.0/' content from commit aab4a69 14f6d49 Remove submodule of USB_Host_Shield_2.0 git-subtree-dir: tmk_core git-subtree-split: dc0e46eaa4367d4e218f8816e3c117895820f07c
This commit is contained in:
tmk
147
protocol/lufa/LUFA-git/Projects/AVRISP-MKII/Lib/ISP/ISPTarget.h
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147
protocol/lufa/LUFA-git/Projects/AVRISP-MKII/Lib/ISP/ISPTarget.h
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/*
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LUFA Library
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Copyright (C) Dean Camera, 2014.
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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 2014 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 ISPTarget.c.
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*/
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#ifndef _ISP_TARGET_
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#define _ISP_TARGET_
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/* Includes: */
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#include <avr/io.h>
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#include <avr/pgmspace.h>
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#include <util/delay.h>
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#include <LUFA/Drivers/USB/USB.h>
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#include <LUFA/Drivers/Peripheral/SPI.h>
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#include "../V2Protocol.h"
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#include "ISPProtocol.h"
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#include "Config/AppConfig.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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/** Low level device command to issue an extended FLASH address, for devices with over 128KB of FLASH. */
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#define LOAD_EXTENDED_ADDRESS_CMD 0x4D
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/** Macro to convert an ISP frequency to a number of timer clock cycles for the software SPI driver. */
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#define TIMER_COMP(freq) (((F_CPU / 8) / 2 / freq) - 1)
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/** ISP rescue clock speed in Hz, for clocking targets with incorrectly set fuses. */
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#define ISP_RESCUE_CLOCK_SPEED 4000000
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/* External Variables: */
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extern bool HardwareSPIMode;
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/* Function Prototypes: */
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void ISPTarget_EnableTargetISP(void);
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void ISPTarget_DisableTargetISP(void);
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void ISPTarget_ConfigureRescueClock(void);
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void ISPTarget_ConfigureSoftwareSPI(const uint8_t SCKDuration);
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uint8_t ISPTarget_TransferSoftSPIByte(const uint8_t Byte);
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void ISPTarget_ChangeTargetResetLine(const bool ResetTarget);
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uint8_t ISPTarget_WaitWhileTargetBusy(void);
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void ISPTarget_LoadExtendedAddress(void);
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uint8_t ISPTarget_WaitForProgComplete(const uint8_t ProgrammingMode,
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const uint16_t PollAddress,
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const uint8_t PollValue,
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const uint8_t DelayMS,
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const uint8_t ReadMemCommand);
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/* Inline Functions: */
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/** Sends a byte of ISP data to the attached target, using the appropriate SPI hardware or
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* software routines depending on the selected ISP speed.
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*
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* \param[in] Byte Byte of data to send to the attached target
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*/
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static inline void ISPTarget_SendByte(const uint8_t Byte)
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{
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if (HardwareSPIMode)
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SPI_SendByte(Byte);
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else
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ISPTarget_TransferSoftSPIByte(Byte);
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}
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/** Receives a byte of ISP data from the attached target, using the appropriate
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* SPI hardware or software routines depending on the selected ISP speed.
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*
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* \return Received byte of data from the attached target
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*/
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static inline uint8_t ISPTarget_ReceiveByte(void)
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{
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uint8_t ReceivedByte;
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if (HardwareSPIMode)
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ReceivedByte = SPI_ReceiveByte();
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else
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ReceivedByte = ISPTarget_TransferSoftSPIByte(0x00);
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#if defined(INVERTED_ISP_MISO)
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return ~ReceivedByte;
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#else
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return ReceivedByte;
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#endif
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}
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/** Sends and receives a byte of ISP data to and from the attached target, using the
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* appropriate SPI hardware or software routines depending on the selected ISP speed.
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*
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* \param[in] Byte Byte of data to send to the attached target
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*
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* \return Received byte of data from the attached target
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*/
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static inline uint8_t ISPTarget_TransferByte(const uint8_t Byte)
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{
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uint8_t ReceivedByte;
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if (HardwareSPIMode)
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ReceivedByte = SPI_TransferByte(Byte);
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else
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ReceivedByte = ISPTarget_TransferSoftSPIByte(Byte);
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#if defined(INVERTED_ISP_MISO)
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return ~ReceivedByte;
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#else
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return ReceivedByte;
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#endif
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}
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#endif
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