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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.

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This commit is contained in:
Dean Camera 2009-08-19 08:29:08 +00:00
parent 32cc2b8d4d
commit fa8beef82d
8 changed files with 242 additions and 92 deletions
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4
Demos/Device/LowLevel/MassStorage/Lib/SCSI.h
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@ -63,10 +63,10 @@
SenseData.AdditionalSenseQualifier = aqual; }MACROE
/** Macro for the SCSI_Command_ReadWrite_10() function, to indicate that data is to be read from the storage medium. */
#define DATA_READ true
#define DATA_READ true
/** Macro for the SCSI_Command_ReadWrite_10() function, to indicate that data is to be written to the storage medium. */
#define DATA_WRITE false
#define DATA_WRITE false
/** Value for the DeviceType entry in the SCSI_Inquiry_Response_t enum, indicating a Block Media device. */
#define DEVICE_TYPE_BLOCK 0x00

2
LUFA.pnproj
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File diff suppressed because one or more lines are too long

5
Projects/Unfinished/AVRISP/AVRISP.c
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@ -43,7 +43,7 @@ int main(void)
{
SetupHardware();
V2Protocol_Init();
V2Params_LoadEEPROMParamValues();
printf("AVRISP-MKII Clone\r\n");
@ -100,7 +100,8 @@ void EVENT_USB_Device_ConfigurationChanged(void)
LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
}
}
/** Processes incomming V2 Protocol commands from the host, returning a response when required. */
void Process_AVRISP_Commands(void)
{
/* Device must be connected and configured for the task to run */

95
Projects/Unfinished/AVRISP/Lib/V2Protocol.c
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@ -37,7 +37,7 @@
#include "V2Protocol.h"
/* Table of masks for SPI_Init() from a given PARAM_SCK_DURATION value */
static const uint8_t SPIMaskFromSCKDuration[] =
static const uint8_t SPIMaskFromSCKDuration[MAX_SPI_SETTINGS] =
{
#if (F_CPU == 8000000)
SPI_SPEED_FCPU_DIV_2,
@ -48,42 +48,13 @@ static const uint8_t SPIMaskFromSCKDuration[] =
, SPI_SPEED_FCPU_DIV_128
#endif
};
/* Non-Volatile Parameter Values for EEPROM storage */
uint8_t EEMEM EEPROM_Rest_Polarity;
/* Volatile Parameter Values for RAM storage */
static ParameterItem_t ParameterTable[] =
{
{ .ParameterID = PARAM_BUILD_NUMBER_LOW,
.ParameterValue = (LUFA_VERSION_INTEGER >> 8) },
{ .ParameterID = PARAM_BUILD_NUMBER_HIGH,
.ParameterValue = (LUFA_VERSION_INTEGER & 0xFF) },
{ .ParameterID = PARAM_HW_VER,
.ParameterValue = 0x01 },
{ .ParameterID = PARAM_SW_MAJOR,
.ParameterValue = 0x01 },
{ .ParameterID = PARAM_SW_MINOR,
.ParameterValue = 0x00 },
{ .ParameterID = PARAM_VTARGET,
.ParameterValue = 0x00 },
{ .ParameterID = PARAM_SCK_DURATION,
.ParameterValue = sizeof(SPIMaskFromSCKDuration) },
{ .ParameterID = PARAM_RESET_POLARITY,
.ParameterValue = 0x01 },
{ .ParameterID = PARAM_STATUS_TGT_CONN,
.ParameterValue = 0x00 },
{ .ParameterID = PARAM_DISCHARGEDELAY,
.ParameterValue = 0x00 },
};
static void V2Protocol_ReconfigureSPI(void)
{
uint8_t SCKDuration = V2Protocol_GetParameter(PARAM_SCK_DURATION);
uint8_t SCKDuration = V2Params_GetParameterValue(PARAM_SCK_DURATION);
if (SCKDuration >= sizeof(SPIMaskFromSCKDuration))
SCKDuration = (sizeof(SPIMaskFromSCKDuration) - 1);
if (SCKDuration >= MAX_SPI_SETTINGS)
SCKDuration = (MAX_SPI_SETTINGS - 1);
SPI_Init(SPIMaskFromSCKDuration[SCKDuration], true);
}
@ -94,7 +65,7 @@ static void V2Protocol_ChangeTargetResetLine(bool ResetTarget)
{
RESET_LINE_DDR |= RESET_LINE_MASK;
if (!(V2Protocol_GetParameter(PARAM_RESET_POLARITY)))
if (!(V2Params_GetParameterValue(PARAM_RESET_POLARITY)))
RESET_LINE_PORT |= RESET_LINE_MASK;
}
else
@ -103,41 +74,6 @@ static void V2Protocol_ChangeTargetResetLine(bool ResetTarget)
RESET_LINE_DDR &= ~RESET_LINE_MASK;
}
}
static uint8_t V2Protocol_GetParameter(uint8_t ParamID)
{
/* Find the parameter in the parameter table and retrieve the value */
for (uint8_t TableIndex = 0; TableIndex < (sizeof(ParameterTable) / sizeof(ParameterTable[0])); TableIndex++)
{
if (ParamID == ParameterTable[TableIndex].ParameterID)
return ParameterTable[TableIndex].ParameterValue;
}
return 0;
}
static void V2Protocol_SetParameter(uint8_t ParamID, uint8_t Value)
{
/* The target RESET line polarity is a non-volatile parameter, save to EEPROM when changed */
if (ParamID == PARAM_RESET_POLARITY)
eeprom_write_byte(&EEPROM_Rest_Polarity, Value);
/* Find the parameter in the parameter table and store the new value */
for (uint8_t TableIndex = 0; TableIndex < (sizeof(ParameterTable) / sizeof(ParameterTable[0])); TableIndex++)
{
if (ParamID == ParameterTable[TableIndex].ParameterID)
{
ParameterTable[TableIndex].ParameterValue = Value;
return;
}
}
}
void V2Protocol_Init(void)
{
/* Target RESET line polarity is a non-volatile value, retrieve current parameter value from EEPROM */
V2Protocol_SetParameter(PARAM_RESET_POLARITY, eeprom_read_byte(&EEPROM_Rest_Polarity));
}
void V2Protocol_ProcessCommand(void)
{
@ -206,13 +142,24 @@ static void V2Protocol_Command_GetSetParam(uint8_t V2Command)
Endpoint_SetEndpointDirection(ENDPOINT_DIR_IN);
Endpoint_WaitUntilReady();
uint8_t ParamPrivs = V2Params_GetParameterPrivellages(ParamID);
Endpoint_Write_Byte(V2Command);
Endpoint_Write_Byte(STATUS_CMD_OK);
if (V2Command == CMD_SET_PARAMETER)
V2Protocol_SetParameter(ParamID, ParamValue);
if ((V2Command == CMD_SET_PARAMETER) && (ParamPrivs & PARAM_PRIV_WRITE))
{
Endpoint_Write_Byte(STATUS_CMD_OK);
V2Params_SetParameterValue(ParamID, ParamValue);
}
else if ((V2Command == CMD_GET_PARAMETER) && (ParamPrivs & PARAM_PRIV_READ))
{
Endpoint_Write_Byte(STATUS_CMD_OK);
Endpoint_Write_Byte(V2Params_GetParameterValue(ParamID));
}
else
Endpoint_Write_Byte(V2Protocol_GetParameter(ParamID));
{
Endpoint_Write_Byte(STATUS_CMD_FAILED);
}
Endpoint_ClearIN();
}

18
Projects/Unfinished/AVRISP/Lib/V2Protocol.h
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@ -45,30 +45,22 @@
#include <LUFA/Drivers/Peripheral/SPI.h>
#include "../Descriptors.h"
#include "V2ProtocolConstants.h"
#include "V2ProtocolConstants.h"
#include "V2ProtocolParams.h"
/* Macros: */
#define PROGRAMMER_ID "AVRISP_MK2"
#define PROGRAMMER_ID_LEN (sizeof(PROGRAMMER_ID) - 1)
/* Type Defines: */
typedef struct
{
uint8_t ParameterID;
uint8_t ParameterValue;
} ParameterItem_t;
#define PROGRAMMER_ID_LEN (sizeof(PROGRAMMER_ID) - 1)
#define MAX_SPI_SETTINGS 7
/* Function Prototypes: */
void V2Protocol_Init(void);
void V2Protocol_ProcessCommand(void);
#if defined(INCLUDE_FROM_V2PROTOCOL_C)
static void V2Protocol_ReconfigureSPI(void);
static void V2Protocol_ChangeTargetResetLine(bool ResetTarget);
static uint8_t V2Protocol_GetParameter(uint8_t ParamID);
static void V2Protocol_SetParameter(uint8_t ParamID, uint8_t Value);
static void V2Protocol_Command_Unknown(uint8_t V2Command);
static void V2Protocol_Command_SignOn(void);
static void V2Protocol_Command_GetSetParam(uint8_t V2Command);

137
Projects/Unfinished/AVRISP/Lib/V2ProtocolParams.c Normal file
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@ -0,0 +1,137 @@
/*
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
*
* V2Protocol parameter handler, to process V2 Protocol device parameters.
*/
#define INCLUDE_FROM_V2PROTOCOL_PARAMS_C
#include "V2ProtocolParams.h"
/* Non-Volatile Parameter Values for EEPROM storage */
uint8_t EEMEM EEPROM_Rest_Polarity;
/* Volatile Parameter Values for RAM storage */
static ParameterItem_t ParameterTable[] =
{
{ .ParamID = PARAM_BUILD_NUMBER_LOW,
.ParamValue = (LUFA_VERSION_INTEGER >> 8),
.ParamPrivellages = PARAM_PRIV_READ },
{ .ParamID = PARAM_BUILD_NUMBER_HIGH,
.ParamValue = (LUFA_VERSION_INTEGER & 0xFF),
.ParamPrivellages = PARAM_PRIV_READ },
{ .ParamID = PARAM_HW_VER,
.ParamValue = 0x01,
.ParamPrivellages = PARAM_PRIV_READ },
{ .ParamID = PARAM_SW_MAJOR,
.ParamValue = 0x01,
.ParamPrivellages = PARAM_PRIV_READ },
{ .ParamID = PARAM_SW_MINOR,
.ParamValue = 0x00,
.ParamPrivellages = PARAM_PRIV_READ },
{ .ParamID = PARAM_VTARGET,
.ParamValue = 0x00,
.ParamPrivellages = PARAM_PRIV_READ },
{ .ParamID = PARAM_SCK_DURATION,
.ParamValue = MAX_SPI_SETTINGS,
.ParamPrivellages = PARAM_PRIV_READ | PARAM_PRIV_WRITE },
{ .ParamID = PARAM_RESET_POLARITY,
.ParamValue = 0x01,
.ParamPrivellages = PARAM_PRIV_WRITE },
{ .ParamID = PARAM_STATUS_TGT_CONN,
.ParamValue = 0x00,
.ParamPrivellages = PARAM_PRIV_READ },
{ .ParamID = PARAM_DISCHARGEDELAY,
.ParamValue = 0x00,
.ParamPrivellages = PARAM_PRIV_WRITE },
};
void V2Params_LoadEEPROMParamValues(void)
{
/* Target RESET line polarity is a non-volatile value, retrieve current parameter value from EEPROM */
V2Params_GetParamFromTable(PARAM_RESET_POLARITY)->ParamValue = eeprom_read_byte(&EEPROM_Rest_Polarity);
}
static ParameterItem_t* V2Params_GetParamFromTable(uint8_t ParamID)
{
/* Find the parameter in the parameter table if present */
for (uint8_t TableIndex = 0; TableIndex < (sizeof(ParameterTable) / sizeof(ParameterTable[0])); TableIndex++)
{
if (ParamID == ParameterTable[TableIndex].ParamID)
return &ParameterTable[TableIndex];
}
return NULL;
}
uint8_t V2Params_GetParameterPrivellages(uint8_t ParamID)
{
ParameterItem_t* ParamInfo = V2Params_GetParamFromTable(ParamID);
if (ParamInfo == NULL)
return 0;
return ParamInfo->ParamPrivellages;
}
uint8_t V2Params_GetParameterValue(uint8_t ParamID)
{
ParameterItem_t* ParamInfo = V2Params_GetParamFromTable(ParamID);
if (ParamInfo == NULL)
return 0;
return ParamInfo->ParamValue;
}
void V2Params_SetParameterValue(uint8_t ParamID, uint8_t Value)
{
ParameterItem_t* ParamInfo = V2Params_GetParamFromTable(ParamID);
if (ParamInfo == NULL)
return;
ParamInfo->ParamValue = Value;
/* The target RESET line polarity is a non-volatile parameter, save to EEPROM when changed */
if (ParamID == PARAM_RESET_POLARITY)
eeprom_write_byte(&EEPROM_Rest_Polarity, Value);
}

72
Projects/Unfinished/AVRISP/Lib/V2ProtocolParams.h Normal file
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@ -0,0 +1,72 @@
/*
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
*
* Header file for V2ProtocolParams.c.
*/
#ifndef _V2_PROTOCOL_PARAMS_
#define _V2_PROTOCOL_PARAMS_
/* Includes: */
#include <avr/io.h>
#include <avr/eeprom.h>
#include <LUFA/Version.h>
#include "V2Protocol.h"
#include "V2ProtocolConstants.h"
/* Macros: */
#define PARAM_PRIV_READ (1 << 0)
#define PARAM_PRIV_WRITE (1 << 1)
/* Type Defines: */
typedef struct
{
const uint8_t ParamID;
uint8_t ParamValue;
uint8_t ParamPrivellages;
} ParameterItem_t;
/* Function Prototypes: */
void V2Params_LoadEEPROMParamValues(void);
uint8_t V2Params_GetParameterPrivellages(uint8_t ParamID);
uint8_t V2Params_GetParameterValue(uint8_t ParamID);
void V2Params_SetParameterValue(uint8_t ParamID, uint8_t Value);
#if defined(INCLUDE_FROM_V2PROTOCOL_PARAMS_C)
static ParameterItem_t* V2Params_GetParamFromTable(uint8_t ParamID);
#endif
#endif

1
Projects/Unfinished/AVRISP/makefile
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@ -136,6 +136,7 @@ LUFA_OPTS += -D USE_STATIC_OPTIONS="(USB_DEVICE_OPT_FULLSPEED | USB_OPT_REG_ENAB
SRC = $(TARGET).c \
Descriptors.c \
Lib/V2Protocol.c \
Lib/V2ProtocolParams.c \
$(LUFA_PATH)/LUFA/Drivers/Peripheral/SerialStream.c \
$(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/DevChapter9.c \
$(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/Endpoint.c \