diff options
Diffstat (limited to 'Projects/Incomplete/AVRISP/Lib/V2ProtocolTarget.c')
| -rw-r--r-- | Projects/Incomplete/AVRISP/Lib/V2ProtocolTarget.c | 183 |
1 files changed, 0 insertions, 183 deletions
diff --git a/Projects/Incomplete/AVRISP/Lib/V2ProtocolTarget.c b/Projects/Incomplete/AVRISP/Lib/V2ProtocolTarget.c deleted file mode 100644 index a39c5e96d..000000000 --- a/Projects/Incomplete/AVRISP/Lib/V2ProtocolTarget.c +++ /dev/null @@ -1,183 +0,0 @@ -/*
- 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 V2 Protocol decoder.
- */
-
-#include "V2ProtocolTarget.h"
-
-/** Current memory address for FLASH/EEPROM memory read/write commands */
-uint32_t CurrentAddress;
-
-/** 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 V2Protocol_GetSPIPrescalerMask(void)
-{
- static const uint8_t SPIMaskFromSCKDuration[TOTAL_PROGRAMMING_SPEEDS] =
- {
- #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
- #if (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 intefere with normal device operation.
- *
- * \param ResetTarget Boolean true when the target should be held in reset, false otherwise
- */
-void V2Protocol_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_PORT &= ~RESET_LINE_MASK;
- RESET_LINE_DDR &= ~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 ProgrammingMode Programming mode used and completion check to use, a mask of PROG_MODE_* constants
- * \param PollAddress Memory address to poll for completion if polling check mode used
- * \param PollValue Poll value to check against if polling check mode used
- * \param DelayMS Milliseconds to delay before returning if delay check mode used
- * \param 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 V2Protocol_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 = V2Protocol_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 V2Protocol_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 V2Protocol_LoadExtendedAddress(void)
-{
- SPI_SendByte(0x4D);
- SPI_SendByte(0x00);
- SPI_SendByte((CurrentAddress & 0x00FF0000) >> 16);
- SPI_SendByte(0x00);
-}
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