From 31d7194252cdde340fa874c258e257312cb3ba8f Mon Sep 17 00:00:00 2001 From: Dean Camera Date: Wed, 23 Dec 2009 14:45:47 +0000 Subject: Make seperate ISP, PDI and TPI folders in the AVRISP project Lib subdirectory to hold each protocol's files. --- Projects/AVRISP/Lib/ISPTarget.c | 202 ---------------------------------------- 1 file changed, 202 deletions(-) delete mode 100644 Projects/AVRISP/Lib/ISPTarget.c (limited to 'Projects/AVRISP/Lib/ISPTarget.c') diff --git a/Projects/AVRISP/Lib/ISPTarget.c b/Projects/AVRISP/Lib/ISPTarget.c deleted file mode 100644 index e99e3e53c..000000000 --- a/Projects/AVRISP/Lib/ISPTarget.c +++ /dev/null @@ -1,202 +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 ISP Protocol decoder. - */ - -#include "ISPTarget.h" - -#if defined(ENABLE_ISP_PROTOCOL) || defined(__DOXYGEN__) - -/** 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(const 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(const uint8_t ProgrammingMode, const uint16_t PollAddress, const uint8_t PollValue, - const uint8_t DelayMS, const 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: - ISPProtocol_DelayMS(DelayMS); - break; - case PROG_MODE_WORD_VALUE_MASK: - case PROG_MODE_PAGED_VALUE_MASK: - TCNT0 = 0; - TIFR0 = (1 << OCF1A); - - uint8_t TimeoutMS = TARGET_BUSY_TIMEOUT_MS; - - do - { - SPI_SendByte(ReadMemCommand); - SPI_SendByte(PollAddress >> 8); - SPI_SendByte(PollAddress & 0xFF); - - if (TIFR0 & (1 << OCF1A)) - { - TIFR0 = (1 << OCF1A); - TimeoutMS--; - } - } - while ((SPI_TransferByte(0x00) != PollValue) && TimeoutMS); - - if (!(TimeoutMS)) - 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; - TIFR0 = (1 << OCF1A); - - uint8_t TimeoutMS = TARGET_BUSY_TIMEOUT_MS; - - do - { - SPI_SendByte(0xF0); - SPI_SendByte(0x00); - - SPI_SendByte(0x00); - - if (TIFR0 & (1 << OCF1A)) - { - TIFR0 = (1 << OCF1A); - TimeoutMS--; - } - } - while ((SPI_ReceiveByte() & 0x01) && TimeoutMS); - - if (!(TimeoutMS)) - 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); -} - -#endif -- cgit v1.2.3