/*
LUFA Library
- Copyright (C) Dean Camera, 2010.
+ Copyright (C) Dean Camera, 2015.
dean [at] fourwalledcubicle [dot] com
www.lufa-lib.org
*/
/*
- Copyright 2010 Dean Camera (dean [at] fourwalledcubicle [dot] com)
+ Copyright 2015 Dean Camera (dean [at] fourwalledcubicle [dot] com)
Permission to use, copy, modify, distribute, and sell this
software and its documentation for any purpose is hereby granted
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
#include <LUFA/Drivers/USB/USB.h>
#include <LUFA/Drivers/Peripheral/SPI.h>
- #include "../V2ProtocolParams.h"
+ #include "../V2Protocol.h"
+ #include "ISPProtocol.h"
+ #include "Config/AppConfig.h"
/* Preprocessor Checks: */
#if ((BOARD == BOARD_XPLAIN) || (BOARD == BOARD_XPLAIN_REV1))
#endif
/* Macros: */
- /** Low level device command to issue an extended FLASH address, for devices with other 128KB of FLASH. */
+ /** Low level device command to issue an extended FLASH address, for devices with over 128KB of FLASH. */
#define LOAD_EXTENDED_ADDRESS_CMD 0x4D
/** Macro to convert an ISP frequency to a number of timer clock cycles for the software SPI driver. */
#define TIMER_COMP(freq) (((F_CPU / 8) / 2 / freq) - 1)
- /** ISP rescue clock speed, for clocking targets with incorrectly set fuses. */
+ /** ISP rescue clock speed in Hz, for clocking targets with incorrectly set fuses. */
#define ISP_RESCUE_CLOCK_SPEED 4000000
/* External Variables: */
void ISPTarget_EnableTargetISP(void);
void ISPTarget_DisableTargetISP(void);
void ISPTarget_ConfigureRescueClock(void);
- void ISPTarget_ConfigureSoftwareISP(const uint8_t SCKDuration);
+ void ISPTarget_ConfigureSoftwareSPI(const uint8_t SCKDuration);
uint8_t ISPTarget_TransferSoftSPIByte(const uint8_t Byte);
void ISPTarget_ChangeTargetResetLine(const bool ResetTarget);
uint8_t ISPTarget_WaitWhileTargetBusy(void);
*/
static inline uint8_t ISPTarget_ReceiveByte(void)
{
+ uint8_t ReceivedByte;
+
if (HardwareSPIMode)
- return SPI_ReceiveByte();
+ ReceivedByte = SPI_ReceiveByte();
else
- return ISPTarget_TransferSoftSPIByte(0x00);
+ ReceivedByte = ISPTarget_TransferSoftSPIByte(0x00);
+
+ #if defined(INVERTED_ISP_MISO)
+ return ~ReceivedByte;
+ #else
+ return ReceivedByte;
+ #endif
}
/** Sends and receives a byte of ISP data to and from the attached target, using the
*/
static inline uint8_t ISPTarget_TransferByte(const uint8_t Byte)
{
+ uint8_t ReceivedByte;
+
if (HardwareSPIMode)
- return SPI_TransferByte(Byte);
+ ReceivedByte = SPI_TransferByte(Byte);
else
- return ISPTarget_TransferSoftSPIByte(Byte);
+ ReceivedByte = ISPTarget_TransferSoftSPIByte(Byte);
+
+ #if defined(INVERTED_ISP_MISO)
+ return ~ReceivedByte;
+ #else
+ return ReceivedByte;
+ #endif
}
#endif