Moved out the handling of V2 Protocol parameters to a seperate set of files. Added parameter privellages, so that an error can be returned to the host when trying to perform a get/set value action on a parameter without the correct privellages.
Dean Camera
16 years ago
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32cc2b8d4d
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/*
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LUFA Library
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Copyright (C) Dean Camera, 2009.
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dean [at] fourwalledcubicle [dot] com
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www.fourwalledcubicle.com
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*/
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/*
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Copyright 2009 Dean Camera (dean [at] fourwalledcubicle [dot] com)
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Permission to use, copy, modify, and distribute this software
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and its documentation for any purpose and without fee is hereby
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granted, provided that the above copyright notice appear in all
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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 disclaim 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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* V2Protocol parameter handler, to process V2 Protocol device parameters.
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*/
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#define INCLUDE_FROM_V2PROTOCOL_PARAMS_C
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#include "V2ProtocolParams.h"
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/* Non-Volatile Parameter Values for EEPROM storage */
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uint8_t EEMEM EEPROM_Rest_Polarity;
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/* Volatile Parameter Values for RAM storage */
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static ParameterItem_t ParameterTable[] =
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{
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{ .ParamID = PARAM_BUILD_NUMBER_LOW,
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.ParamValue = (LUFA_VERSION_INTEGER >> 8),
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.ParamPrivellages = PARAM_PRIV_READ },
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{ .ParamID = PARAM_BUILD_NUMBER_HIGH,
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.ParamValue = (LUFA_VERSION_INTEGER & 0xFF),
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.ParamPrivellages = PARAM_PRIV_READ },
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{ .ParamID = PARAM_HW_VER,
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.ParamValue = 0x01,
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.ParamPrivellages = PARAM_PRIV_READ },
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{ .ParamID = PARAM_SW_MAJOR,
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.ParamValue = 0x01,
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.ParamPrivellages = PARAM_PRIV_READ },
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{ .ParamID = PARAM_SW_MINOR,
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.ParamValue = 0x00,
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.ParamPrivellages = PARAM_PRIV_READ },
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{ .ParamID = PARAM_VTARGET,
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.ParamValue = 0x00,
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.ParamPrivellages = PARAM_PRIV_READ },
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{ .ParamID = PARAM_SCK_DURATION,
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.ParamValue = MAX_SPI_SETTINGS,
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.ParamPrivellages = PARAM_PRIV_READ | PARAM_PRIV_WRITE },
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{ .ParamID = PARAM_RESET_POLARITY,
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.ParamValue = 0x01,
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.ParamPrivellages = PARAM_PRIV_WRITE },
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{ .ParamID = PARAM_STATUS_TGT_CONN,
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.ParamValue = 0x00,
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.ParamPrivellages = PARAM_PRIV_READ },
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{ .ParamID = PARAM_DISCHARGEDELAY,
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.ParamValue = 0x00,
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.ParamPrivellages = PARAM_PRIV_WRITE },
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};
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void V2Params_LoadEEPROMParamValues(void)
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{
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/* Target RESET line polarity is a non-volatile value, retrieve current parameter value from EEPROM */
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V2Params_GetParamFromTable(PARAM_RESET_POLARITY)->ParamValue = eeprom_read_byte(&EEPROM_Rest_Polarity);
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}
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static ParameterItem_t* V2Params_GetParamFromTable(uint8_t ParamID)
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{
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/* Find the parameter in the parameter table if present */
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for (uint8_t TableIndex = 0; TableIndex < (sizeof(ParameterTable) / sizeof(ParameterTable[0])); TableIndex++)
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{
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if (ParamID == ParameterTable[TableIndex].ParamID)
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return &ParameterTable[TableIndex];
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}
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return NULL;
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}
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uint8_t V2Params_GetParameterPrivellages(uint8_t ParamID)
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{
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ParameterItem_t* ParamInfo = V2Params_GetParamFromTable(ParamID);
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if (ParamInfo == NULL)
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return 0;
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return ParamInfo->ParamPrivellages;
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}
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uint8_t V2Params_GetParameterValue(uint8_t ParamID)
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{
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ParameterItem_t* ParamInfo = V2Params_GetParamFromTable(ParamID);
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if (ParamInfo == NULL)
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return 0;
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return ParamInfo->ParamValue;
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}
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void V2Params_SetParameterValue(uint8_t ParamID, uint8_t Value)
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{
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ParameterItem_t* ParamInfo = V2Params_GetParamFromTable(ParamID);
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if (ParamInfo == NULL)
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return;
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ParamInfo->ParamValue = Value;
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/* The target RESET line polarity is a non-volatile parameter, save to EEPROM when changed */
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if (ParamID == PARAM_RESET_POLARITY)
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eeprom_write_byte(&EEPROM_Rest_Polarity, Value);
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}
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@ -0,0 +1,72 @@
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/*
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LUFA Library
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Copyright (C) Dean Camera, 2009.
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dean [at] fourwalledcubicle [dot] com
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www.fourwalledcubicle.com
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*/
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/*
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Copyright 2009 Dean Camera (dean [at] fourwalledcubicle [dot] com)
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Permission to use, copy, modify, and distribute this software
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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.
|
||||
|
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The author disclaim all warranties with regard to this
|
||||
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
|
||||
whatsoever resulting from loss of use, data or profits, whether
|
||||
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 V2ProtocolParams.c.
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*/
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#ifndef _V2_PROTOCOL_PARAMS_
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#define _V2_PROTOCOL_PARAMS_
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/* Includes: */
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#include <avr/io.h>
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#include <avr/eeprom.h>
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#include <LUFA/Version.h>
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#include "V2Protocol.h"
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#include "V2ProtocolConstants.h"
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/* Macros: */
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#define PARAM_PRIV_READ (1 << 0)
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#define PARAM_PRIV_WRITE (1 << 1)
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/* Type Defines: */
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typedef struct
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{
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const uint8_t ParamID;
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uint8_t ParamValue;
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uint8_t ParamPrivellages;
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} ParameterItem_t;
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/* Function Prototypes: */
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void V2Params_LoadEEPROMParamValues(void);
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uint8_t V2Params_GetParameterPrivellages(uint8_t ParamID);
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uint8_t V2Params_GetParameterValue(uint8_t ParamID);
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void V2Params_SetParameterValue(uint8_t ParamID, uint8_t Value);
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#if defined(INCLUDE_FROM_V2PROTOCOL_PARAMS_C)
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static ParameterItem_t* V2Params_GetParamFromTable(uint8_t ParamID);
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#endif
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#endif
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