Rename V2ProtocolTarget files to ISPTarget in the AVRISP Programmer Clone project.

1 files changed, 180 insertions, 0 deletions

diff --git a/Projects/AVRISP/Lib/ISPTarget.c b/Projects/AVRISP/Lib/ISPTarget.c
new file mode 100644
index 000000000..87158460b
--- /dev/null
+++ b/Projects/AVRISP/Lib/ISPTarget.c
@@ -0,0 +1,180 @@
+/*

+             LUFA Library

+     Copyright (C) Dean Camera, 2009.

+              

+  dean [at] fourwalledcubicle [dot] com

+      www.fourwalledcubicle.com

+*/

+

+/*

+  Copyright 2009  Dean Camera (dean [at] fourwalledcubicle [dot] com)

+

+  Permission to use, copy, modify, and distribute this software

+  and its documentation for any purpose and without fee is hereby

+  granted, provided that the above copyright notice appear in all

+  copies and that both that the copyright notice and this

+  permission notice and warranty disclaimer appear in supporting

+  documentation, and that the name of the author not be used in

+  advertising or publicity pertaining to distribution of the

+  software without specific, written prior permission.

+

+  The author disclaim 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

+  whatsoever resulting from loss of use, data or profits, whether

+  in an action of contract, negligence or other tortious action,

+  arising out of or in connection with the use or performance of

+  this software.

+*/

+

+/** \file

+ *

+ *  Target-related functions for the ISP Protocol decoder.

+ */

+

+#include "ISPTarget.h"

+

+/** Converts the given AVR Studio SCK duration parameter (set by a SET PARAM command from the host) to the nearest

+ *  possible SPI clock prescaler mask for passing to the SPI_Init() routine.

+ *

+ *  \return Nearest SPI prescaler mask for the given SCK frequency

+ */

+uint8_t ISPTarget_GetSPIPrescalerMask(void)

+{

+	static const uint8_t SPIMaskFromSCKDuration[] =

+	{

+	#if (F_CPU == 8000000)

+		SPI_SPEED_FCPU_DIV_2,    // AVRStudio =   8MHz SPI, Actual =   4MHz SPI

+		SPI_SPEED_FCPU_DIV_2,    // AVRStudio =   4MHz SPI, Actual =   4MHz SPI

+		SPI_SPEED_FCPU_DIV_4,    // AVRStudio =   2MHz SPI, Actual =   2MHz SPI

+		SPI_SPEED_FCPU_DIV_8,    // AVRStudio =   1MHz SPI, Actual =   1MHz SPI

+		SPI_SPEED_FCPU_DIV_16,   // AVRStudio = 500KHz SPI, Actual = 500KHz SPI

+		SPI_SPEED_FCPU_DIV_32,   // AVRStudio = 250KHz SPI, Actual = 250KHz SPI

+		SPI_SPEED_FCPU_DIV_64    // AVRStudio = 125KHz SPI, Actual = 125KHz SPI	

+	#elif (F_CPU == 16000000)

+		SPI_SPEED_FCPU_DIV_2,    // AVRStudio =   8MHz SPI, Actual =   8MHz SPI

+		SPI_SPEED_FCPU_DIV_4,    // AVRStudio =   4MHz SPI, Actual =   4MHz SPI

+		SPI_SPEED_FCPU_DIV_8,    // AVRStudio =   2MHz SPI, Actual =   2MHz SPI

+		SPI_SPEED_FCPU_DIV_16,   // AVRStudio =   1MHz SPI, Actual =   1MHz SPI

+		SPI_SPEED_FCPU_DIV_32,   // AVRStudio = 500KHz SPI, Actual = 500KHz SPI

+		SPI_SPEED_FCPU_DIV_64,   // AVRStudio = 250KHz SPI, Actual = 250KHz SPI		

+		SPI_SPEED_FCPU_DIV_128   // AVRStudio = 125KHz SPI, Actual = 125KHz SPI

+	#else

+		#error No SPI prescaler masks for chosen F_CPU speed.

+	#endif

+	};

+

+	uint8_t SCKDuration = V2Params_GetParameterValue(PARAM_SCK_DURATION);

+

+	if (SCKDuration >= sizeof(SPIMaskFromSCKDuration))

+	  SCKDuration = (sizeof(SPIMaskFromSCKDuration) - 1);

+	  

+	return SPIMaskFromSCKDuration[SCKDuration];

+}

+

+/** Asserts or deasserts the target's reset line, using the correct polarity as set by the host using a SET PARAM command.

+ *  When not asserted, the line is tristated so as not to interfere with normal device operation.

+ *

+ *  \param[in] ResetTarget Boolean true when the target should be held in reset, false otherwise

+ */

+void ISPTarget_ChangeTargetResetLine(bool ResetTarget)

+{

+	if (ResetTarget)

+	{

+		RESET_LINE_DDR |= RESET_LINE_MASK;

+		

+		if (!(V2Params_GetParameterValue(PARAM_RESET_POLARITY)))

+		  RESET_LINE_PORT |= RESET_LINE_MASK;

+	}

+	else

+	{

+		RESET_LINE_DDR  &= ~RESET_LINE_MASK;

+		RESET_LINE_PORT &= ~RESET_LINE_MASK;

+	}

+}

+

+/** Waits until the last issued target memory programming command has completed, via the check mode given and using

+ *  the given parameters.

+ *

+ *  \param[in] ProgrammingMode  Programming mode used and completion check to use, a mask of PROG_MODE_* constants

+ *  \param[in] PollAddress  Memory address to poll for completion if polling check mode used

+ *  \param[in] PollValue  Poll value to check against if polling check mode used

+ *  \param[in] DelayMS  Milliseconds to delay before returning if delay check mode used

+ *  \param[in] ReadMemCommand  Device low-level READ MEMORY command to send if value check mode used

+ *

+ *  \return V2 Protocol status \ref STATUS_CMD_OK if the no timeout occurred, \ref STATUS_RDY_BSY_TOUT or

+ *          \ref STATUS_CMD_TOUT otherwise

+ */

+uint8_t ISPTarget_WaitForProgComplete(uint8_t ProgrammingMode, uint16_t PollAddress, uint8_t PollValue,

+                                      uint8_t DelayMS, uint8_t ReadMemCommand)

+{

+	uint8_t ProgrammingStatus = STATUS_CMD_OK;

+

+	/* Determine method of Programming Complete check */

+	switch (ProgrammingMode & ~(PROG_MODE_PAGED_WRITES_MASK | PROG_MODE_COMMIT_PAGE_MASK))

+	{

+		case PROG_MODE_WORD_TIMEDELAY_MASK:

+		case PROG_MODE_PAGED_TIMEDELAY_MASK:

+			V2Protocol_DelayMS(DelayMS);

+			break;

+		case PROG_MODE_WORD_VALUE_MASK:

+		case PROG_MODE_PAGED_VALUE_MASK:

+			TCNT0 = 0;

+

+			do

+			{

+				SPI_SendByte(ReadMemCommand);

+				SPI_SendByte(PollAddress >> 8);

+				SPI_SendByte(PollAddress & 0xFF);				

+			}

+			while ((SPI_TransferByte(0x00) != PollValue) && (TCNT0 < TARGET_BUSY_TIMEOUT_MS));

+

+			if (TCNT0 >= TARGET_BUSY_TIMEOUT_MS)

+			 ProgrammingStatus = STATUS_CMD_TOUT;

+			

+			break;		

+		case PROG_MODE_WORD_READYBUSY_MASK:

+		case PROG_MODE_PAGED_READYBUSY_MASK:

+			ProgrammingStatus = ISPTarget_WaitWhileTargetBusy();

+			break;

+	}

+

+	return ProgrammingStatus;

+}

+

+/** Waits until the target has completed the last operation, by continuously polling the device's

+ *  BUSY flag until it is cleared, or until the \ref TARGET_BUSY_TIMEOUT_MS timeout period has expired.

+ *

+ *  \return V2 Protocol status \ref STATUS_CMD_OK if the no timeout occurred, \ref STATUS_RDY_BSY_TOUT otherwise

+ */

+uint8_t ISPTarget_WaitWhileTargetBusy(void)

+{

+	TCNT0 = 0;

+	

+	do

+	{

+		SPI_SendByte(0xF0);

+		SPI_SendByte(0x00);

+

+		SPI_SendByte(0x00);

+	}

+	while ((SPI_ReceiveByte() & 0x01) && (TCNT0 < TARGET_BUSY_TIMEOUT_MS));

+

+	if (TCNT0 >= TARGET_BUSY_TIMEOUT_MS)

+	  return STATUS_RDY_BSY_TOUT;

+	else

+	  return STATUS_CMD_OK;

+}

+

+/** Sends a low-level LOAD EXTENDED ADDRESS command to the target, for addressing of memory beyond the

+ *  64KB boundary. This sends the command with the correct address as indicated by the current address

+ *  pointer variable set by the host when a SET ADDRESS command is issued.

+ */

+void ISPTarget_LoadExtendedAddress(void)

+{

+	SPI_SendByte(0x4D);

+	SPI_SendByte(0x00);

+	SPI_SendByte((CurrentAddress & 0x00FF0000) >> 16);

+	SPI_SendByte(0x00);	

+}