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bouwhuim.nikhef.nl dee2668a61 newest version WRPC
2013-09-10 08:08:59 +00:00

335 lines
13 KiB
C

//---------------------------------------------------------------------------
// Copyright (C) 2000 Dallas Semiconductor Corporation, All Rights Reserved.
//
// Permission is hereby granted, free of charge, to any person obtaining a
// copy of this software and associated documentation files (the "Software"),
// to deal in the Software without restriction, including without limitation
// the rights to use, copy, modify, merge, publish, distribute, sublicense,
// and/or sell copies of the Software, and to permit persons to whom the
// Software is furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included
// in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
// IN NO EVENT SHALL DALLAS SEMICONDUCTOR BE LIABLE FOR ANY CLAIM, DAMAGES
// OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
// ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
// OTHER DEALINGS IN THE SOFTWARE.
//
// Except as contained in this notice, the name of Dallas Semiconductor
// shall not be used except as stated in the Dallas Semiconductor
// Branding Policy.
//---------------------------------------------------------------------------
//
// owerr.c - Library functions for error handling with 1-Wire library
//
// Version: 1.00
//
#include <string.h>
#include <wrc.h>
//#include <stdio.h>
#include "ownet.h"
#include "uart.h"
#ifndef SIZE_OWERROR_STACK
#ifdef SOCKIT_OWM_ERR_SMALL
//for small memory, only hold 1 error
#define SIZE_OWERROR_STACK 1
#else
#define SIZE_OWERROR_STACK 10
#endif
#endif
//---------------------------------------------------------------------------
// Variables
//---------------------------------------------------------------------------
// Error Struct for holding error information.
// In DEBUG, this will also hold the line number and filename.
typedef struct {
int owErrorNum;
#ifdef DEBUG
int lineno;
char *filename;
#endif
} owErrorStruct;
// Ring-buffer used for stack.
// In case of overflow, deepest error is over-written.
static owErrorStruct owErrorStack[SIZE_OWERROR_STACK];
// Stack pointer to top-most error.
static int owErrorPointer = 0;
//---------------------------------------------------------------------------
// Functions Definitions
//---------------------------------------------------------------------------
int owGetErrorNum(void);
void owClearError(void);
int owHasErrors(void);
#ifdef DEBUG
void owRaiseError(int, int, char *);
#else
void owRaiseError(int);
#endif
#ifndef SOCKIT_OWM_ERR_SMALL
void owPrintErrorMsg(FILE *);
void owPrintErrorMsgStd();
char *owGetErrorMsg(int);
#endif
//--------------------------------------------------------------------------
// The 'owGetErroNum' returns the error code of the top-most error on the
// error stack. NOTE: This function has the side effect of popping the
// current error off the stack. All successive calls to 'owGetErrorNum'
// will further clear the error stack.
//
// For list of error codes, see 'ownet.h'
//
// Returns: int : The error code of the top-most error on the stack
//
int owGetErrorNum(void)
{
int i = owErrorStack[owErrorPointer].owErrorNum;
owErrorStack[owErrorPointer].owErrorNum = 0;
if (!owErrorPointer)
owErrorPointer = SIZE_OWERROR_STACK - 1;
else
owErrorPointer = (owErrorPointer - 1);
return i;
}
//--------------------------------------------------------------------------
// The 'owClearError' clears all the errors.
//
void owClearError(void)
{
owErrorStack[owErrorPointer].owErrorNum = 0;
}
//--------------------------------------------------------------------------
// The 'owHasErrors' is a boolean test function which tests whether or not
// a valid error is waiting on the stack.
//
// Returns: TRUE (1) : When there are errors on the stack.
// FALSE (0): When stack's errors are set to 0, or NO_ERROR_SET.
//
int owHasErrors(void)
{
if (owErrorStack[owErrorPointer].owErrorNum)
return 1; //TRUE
else
return 0; //FALSE
}
#ifdef DEBUG
//--------------------------------------------------------------------------
// The 'owRaiseError' is the method for raising an error onto the error
// stack.
//
// Arguments: int err - the error code you wish to raise.
// int lineno - DEBUG only - the line number where it was raised
// char* filename - DEBUG only - the file name where it occured.
//
void owRaiseError(int err, int lineno, char *filename)
{
owErrorPointer = (owErrorPointer + 1) % SIZE_OWERROR_STACK;
owErrorStack[owErrorPointer].owErrorNum = err;
owErrorStack[owErrorPointer].lineno = lineno;
owErrorStack[owErrorPointer].filename = filename;
}
#else
//--------------------------------------------------------------------------
// The 'owRaiseError' is the method for raising an error onto the error
// stack.
//
// Arguments: int err - the error code you wish to raise.
//
void owRaiseError(int err)
{
owErrorPointer = (owErrorPointer + 1) % SIZE_OWERROR_STACK;
owErrorStack[owErrorPointer].owErrorNum = err;
}
#endif
// SOCKIT_OWM_ERR_SMALL - embedded microcontrollers, where these
// messaging functions might not make any sense.
#ifndef SOCKIT_OWM_ERR_SMALL
//Array of meaningful error messages to associate with codes.
//Not used on targets with low memory (i.e. PIC).
static char *owErrorMsg[125] = {
/*000 */ "No Error Was Set",
/*001 */ "No Devices found on 1-Wire Network",
/*002 */ "1-Wire Net Reset Failed",
/*003 */ "Search ROM Error: Couldn't locate next device on 1-Wire",
/*004 */ "Access Failed: Could not select device",
/*005 */ "DS2480B Adapter Not Detected",
/*006 */ "DS2480B: Wrong Baud",
/*007 */ "DS2480B: Bad Response",
/*008 */ "Open COM Failed",
/*009 */ "Write COM Failed",
/*010 */ "Read COM Failed",
/*011 */ "Data Block Too Large",
/*012 */ "Block Transfer failed",
/*013 */ "Program Pulse Failed",
/*014 */ "Program Byte Failed",
/*015 */ "Write Byte Failed",
/*016 */ "Read Byte Failed",
/*017 */ "Write Verify Failed",
/*018 */ "Read Verify Failed",
/*019 */ "Write Scratchpad Failed",
/*020 */ "Copy Scratchpad Failed",
/*021 */ "Incorrect CRC Length",
/*022 */ "CRC Failed",
/*023 */ "Failed to acquire a necessary system resource",
/*024 */ "Failed to initialize system resource",
/*025 */ "Data too long to fit on specified device.",
/*026 */ "Read exceeds memory bank end.",
/*027 */ "Write exceeds memory bank end.",
/*028 */ "Device select failed",
/*029 */ "Read Scratch Pad verify failed.",
/*030 */ "Copy scratchpad complete not found",
/*031 */ "Erase scratchpad complete not found",
/*032 */ "Address read back from scrachpad was incorrect",
/*033 */ "Read page with extra-info not supported by this memory bank",
/*034 */ "Read page packet with extra-info not supported by this memory bank",
/*035 */ "Length of packet requested exceeds page size",
/*036 */ "Invalid length in packet",
/*037 */ "Program pulse required but not available",
/*038 */ "Trying to access a read-only memory bank",
/*039 */ "Current bank is not general purpose memory",
/*040 */ "Read back from write compare is incorrect, page may be locked",
/*041 */ "Invalid page number for this memory bank",
/*042 */ "Read page with CRC not supported by this memory bank",
/*043 */ "Read page with CRC and extra-info not supported by this memory bank",
/*044 */ "Read back from write incorrect, could not lock page",
/*045 */ "Read back from write incorrect, could not lock redirect byte",
/*046 */ "The read of the status was not completed.",
/*047 */ "Page redirection not supported by this memory bank",
/*048 */ "Lock Page redirection not supported by this memory bank",
/*049 */ "Read back byte on EPROM programming did not match.",
/*050 */ "Can not write to a page that is locked.",
/*051 */ "Can not lock a redirected page that has already been locked.",
/*052 */ "Trying to redirect a locked redirected page.",
/*053 */ "Trying to lock a page that is already locked.",
/*054 */ "Trying to write to a memory bank that is write protected.",
/*055 */ "Error due to not matching MAC.",
/*056 */ "Memory Bank is write protected.",
/*057 */ "Secret is write protected, can not Load First Secret.",
/*058 */ "Error in Reading Scratchpad after Computing Next Secret.",
/*059 */ "Load Error from Loading First Secret.",
/*060 */ "Power delivery required but not available",
/*061 */ "Not a valid file name.",
/*062 */ "Unable to Create a Directory in this part.",
/*063 */ "That file already exists.",
/*064 */ "The directory is not empty.",
/*065 */ "The wrong type of part for this operation.",
/*066 */ "The max len for this file is too small.",
/*067 */ "This is not a write once bank.",
/*068 */ "The file can not be found.",
/*069 */ "There is not enough space available.",
/*070 */ "There is not a page to match that bit in the bitmap.",
/*071 */ "There are no jobs for EPROM parts.",
/*072 */ "Function not supported to modify attributes.",
/*073 */ "Handle is not in use.",
/*074 */ "Tring to read a write only file.",
/*075 */ "There is no handle available for use.",
/*076 */ "The directory provided is an invalid directory.",
/*077 */ "Handle does not exist.",
/*078 */ "Serial Number did not match with current job.",
/*079 */ "Can not program EPROM because a non-EPROM part on the network.",
/*080 */ "Write protect redirection byte is set.",
/*081 */ "There is an inappropriate directory length.",
/*082 */ "The file has already been terminated.",
/*083 */ "Failed to read memory page of iButton part.",
/*084 */ "Failed to match scratchpad of iButton part.",
/*085 */ "Failed to erase scratchpad of iButton part.",
/*086 */ "Failed to read scratchpad of iButton part.",
/*087 */ "Failed to execute SHA function on SHA iButton.",
/*088 */ "SHA iButton did not return a status completion byte.",
/*089 */ "Write data page failed.",
/*090 */ "Copy secret into secret memory pages failed.",
/*091 */ "Bind unique secret to iButton failed.",
/*092 */ "Could not install secret into user token.",
/*093 */ "Transaction Incomplete: signature did not match.",
/*094 */ "Transaction Incomplete: could not sign service data.",
/*095 */ "User token did not provide a valid authentication response.",
/*096 */ "Failed to answer a challenge on the user token.",
/*097 */ "Failed to create a challenge on the coprocessor.",
/*098 */ "Transaction Incomplete: service data was not valid.",
/*099 */ "Transaction Incomplete: service data was not updated.",
/*100 */ "Unrecoverable, catastrophic service failure occured.",
/*101 */ "Load First Secret from scratchpad data failed.",
/*102 */ "Failed to match signature of user's service data.",
/*103 */ "Subkey out of range for the DS1991.",
/*104 */ "Block ID out of range for the DS1991",
/*105 */ "Password is enabled",
/*106 */ "Password is invalid",
/*107 */ "This memory bank has no read only password",
/*108 */ "This memory bank has no read/write password",
/*109 */ "1-Wire is shorted",
/*110 */ "Error communicating with 1-Wire adapter",
/*111 */ "CopyScratchpad failed: Ending Offset must go to end of page",
/*112 */ "WriteScratchpad failed: Ending Offset must go to end of page",
/*113 */ "Mission can not be stopped while one is not in progress",
/*114 */ "Error stopping the mission",
/*115 */ "Port number is outside (0,MAX_PORTNUM) interval",
/*116 */ "Level of the 1-Wire was not changed",
/*117 */ "Both the Read Only and Read Write Passwords must be set",
/*118 */ "Failure to change latch state."
/*119 */ "Could not open usb port through libusb",
/*120 */ "Libusb DS2490 port already opened",
/*121 */ "Failed to set libusb configuration",
/*122 */ "Failed to claim libusb interface",
/*123 */ "Failed to set libusb altinterface",
/*124 */ "No adapter found at this port number"
};
char *owGetErrorMsg(int err)
{
return owErrorMsg[err];
}
//--------------------------------------------------------------------------
// The 'owPrintErrorMsg' is the method for printing an error from the stack.
// The destination for the print is specified by the argument, fileno, which
// can be stderr, stdout, or a log file. In non-debug mode, the output is
// of the form:
// Error num: Error msg
//
// In debug-mode, the output is of the form:
// Error num: filename line#: Error msg
//
// NOTE: This function has the side-effect of popping the error off the stack.
//
// Arguments: FILE*: the destination for printing.
//
void owPrintErrorMsg(FILE * filenum)
{
#ifdef DEBUG
int l = owErrorStack[owErrorPointer].lineno;
char *f = owErrorStack[owErrorPointer].filename;
int err = owGetErrorNum();
//fprintf(filenum,"Error %d: %s line %d: %s\r\n",err,f,l,owErrorMsg[err]);
#endif
}
// Same as above, except uses default printf output
void owPrintErrorMsgStd()
{
#ifdef DEBUG
int l = owErrorStack[owErrorPointer].lineno;
char *f = owErrorStack[owErrorPointer].filename;
int err = owGetErrorNum();
mprintf("Error %d: %s line %d: %s\r\n", err, f, l, owErrorMsg[err]);
#else
int err = owGetErrorNum();
mprintf("Error %d: %s\r\n", err, owErrorMsg[err]);
#endif
}
#endif