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|
#!/usr/bin/tclsh
# Part of MCU 8051 IDE ( http://http://www.moravia-microsystems.com/mcu8051ide )
############################################################################
# Copyright (C) 2007, 2008, 2009, 2010, 2011, 2012 by Martin Ošmera #
# martin.osmera@gmail.com #
# #
# Copyright (C) 2014 by Moravia Microsystems, s.r.o. #
# martin.osmera@moravia-microsystems.com #
# #
# This program is free software; you can redistribute it and#or modify #
# it under the terms of the GNU General Public License as published by #
# the Free Software Foundation; either version 2 of the License, or #
# (at your option) any later version. #
# #
# This program is distributed in the hope that it will be useful, #
# but WITHOUT ANY WARRANTY; without even the implied warranty of #
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the #
# GNU General Public License for more details. #
# #
# You should have received a copy of the GNU General Public License #
# along with this program; if not, write to the #
# Free Software Foundation, Inc., #
# 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. #
############################################################################
# >>> File inclusion guard
if { ! [ info exists _IHEXTOOLS_TCL ] } {
set _IHEXTOOLS_TCL _
# <<< File inclusion guard
# --------------------------------------------------------------------------
# DESCRIPTION
# Provides some tools for manipulating IHEX8, binary and sim files.
# It's intented for converting between these file types and for
# normalizing hex files.
# --------------------------------------------------------------------------
namespace eval IHexTools {
## PUBLIC
variable update 0 ;# Bool: Periodicaly update GUI and increment progress
variable abort 0 ;# Bool: Abort currently running procedure
variable progress 1 ;# Int: Variable for progress bars
variable error_count 0 ;# Int: Count of errors
variable error_string {} ;# Error messages
variable highest_addr 0 ;# Int: Highest address in loaded IHEX file
## PRIVATE
variable content ;# Array: Currently loaded data (content(0..65535) => 00..FF)
variable INITIALIZED 0 ;# Bool: Namespace variables initialized
variable data_field ;# Auxiliary variable for creating IHEX records
variable data_field_len ;# Auxiliary variable for creating IHEX records
# ----------------------------------------------------------------
# GENERAL PURPOSE PROCEDURES
# ----------------------------------------------------------------
## Compute checksum for the given HEX field (without leading colon)
# @parm String hex_data - HEX field without leading colon
# @return String - resulting hexadecimal checksum
proc getCheckSum {hex_data} {
set sum 256 ;# Initial checksum
set hex_data [split $hex_data {}]
# Iterate over hex data
for {set i 0} {1} {incr i} {
# Gain 1st hex digit
set val [lindex $hex_data $i]
# If the 1st digit is empty -> return result
if {$val == {}} {
# Handle overflow
if {$sum == 256} {return {00}}
# Convert decimal checksum to hexadecimal
set sum [format "%X" $sum]
if {[string length $sum] == 1} {
set sum "0$sum"
}
return $sum
}
# Gain 2nd hex digit
incr i
append val [lindex $hex_data $i]
set val [expr "0x$val"]
# Decrement checksum
incr sum -$val
# Handle undeflow
if {$sum < 0} {incr sum 256}
}
}
## Get maximum value for progressbar when loading hex or sim file
# @parm String data - input sim or hex data
# @return Int - number of iterations divided by 25
proc get_number_of_iterations {data} {
# Any EOL to LF
regsub -all {\r\n?} $data "\n" data
# Local variables
set result 0 ;# Resulting number
set index 0 ;# Last search result
# Get number of LF chracters
while {1} {
set index [string first "\n" $data $index]
if {$index == -1} {break}
incr index
}
# Return result
return [expr {$result / 25 + 1}]
}
## Load IHEX 8 file into internal memory
# @parm String hex_data - Content of IHEX8 file to load
# @return Bool - result
proc load_hex_data {hex_data} {
variable INITIALIZED ;# Bool: Namespace variables initialized
variable content ;# Array: Currently loaded data
variable update ;# Bool: Periodicaly update GUI and increment progress
variable abort 0 ;# Bool: Abort currently running procedure
variable progress 1 ;# Int: Variable for progress bars
variable error_count 0 ;# Int: Count of errors
variable error_string {} ;# Error messages
variable highest_addr 0 ;# Int: Highest address in loaded IHEX file
# Initialize array of loaded data
if {!$INITIALIZED} {
free_resources
}
# Convert any EOL to LF
regsub -all {\r\n?} $hex_data "\n" hex_data
# Local variables
set lineNum 0 ;# Number of the current line
set eof 0 ;# Bool: EOF detected
# Iterate over HEX records
foreach line [split $hex_data "\n"] {
incr lineNum ;# Increment line number
# Skip comments
if {[string index $line 0] != {:}} {continue}
# Check for valid charters
if {![regexp {^:[0-9A-Fa-f]+$} $line]} {
Error $lineNum [mc "Line contains invalid characters"]
continue
}
# Check for odd lenght
set len [string length $line]
if {[expr {$len % 2}] != 1} {
Error $lineNum [mc "Line contains even number of characters"]
continue
}
# Analize HEX record
set len [ string range $line 1 2 ] ;# Lenght field
set addr [ string range $line 3 6 ] ;# Address field
set type [ string range $line 7 8 ] ;# Type field
set data [ string range $line 9 {end-2} ] ;# Data field
set check [ string range $line {end-1} end ] ;# Checksum field
set line [ string range $line 1 {end-2} ] ;# Record without ':' and checksum
# Handle record type (01 == EOF; 00 == normal record)
if {$type == {01}} {
set eof 1
break
} elseif {$type != {00}} {
Error $lineNum [mc "Unknown record type '%s'" $type]
continue
}
# Check for valid checksum
set new_check [getCheckSum $line]
if {$new_check != $check} {
Error $lineNum [mc "Bad checksum"]
continue
}
# Check for correct value of the length field
set len [expr "0x$len"]
if {([string length $data] / 2) != $len} {
Error $lineNum [mc "Bad length"]
continue
}
# Parse and load data field
set addr [expr "0x$addr"]
for {set i 0; set j 1} {$i < ($len * 2)} {incr i 2; incr j 2} {
set content($addr) [string range $data $i $j]
incr addr
}
# Store highest address
if {$addr > $highest_addr} {
set highest_addr $addr
}
# Update GUI and progress variable
if {$update} {
if {![expr {$lineNum % 25}]} {
# Conditional abort
if {$abort} {return 0}
# Update progress variable and GUI
incr progress
update
}
}
}
# If there is no EOF then report that as an error
if {!$eof} {
Error - [mc "Missing EOF"]
}
# Return result
if {$error_count} {
return 0
} else {
return 1
}
}
## Load binary file into internal memory
# @parm String data - Binary data to load
# @return Bool - result
proc load_bin_data {data} {
variable INITIALIZED ;# Bool: Namespace variables initialized
variable content ;# Array: Currently loaded data
variable update ;# Bool: Periodicaly update GUI and increment progress
variable abort 0 ;# Bool: Abort currently running procedure
variable progress 1 ;# Int: Variable for progress bars
variable error_count 0 ;# Int: Count of errors
variable error_string {} ;# Error messages
# Initialize array of loaded data
if {!$INITIALIZED} {
free_resources
}
# Check for allowed data length
set len [string length $data]
if {$len > 0x10000} {
Error - [mc "Data length exceeding limit 0x10000"]
return 0
}
# Load data
set val 0
for {set i 0} {$i < $len} {incr i} {
binary scan [string index $data $i] c val ;# bin -> dec
set content($i) [string range [format %X $val] end-1 end] ;# dec -> hex
}
return 1
}
## Load simulator file into internal memory
# @parm String data - Content of simulator file to load
# @return Bool - result
proc load_sim_data {data} {
variable INITIALIZED ;# Bool: Namespace variables initialized
variable content ;# Array: Currently loaded data
variable update ;# Bool: Periodicaly update GUI and increment progress
variable abort 0 ;# Bool: Abort currently running procedure
variable progress 1 ;# Int: Variable for progress bars
variable error_count 0 ;# Int: Count of errors
variable error_string {} ;# Error messages
# Initialize array of loaded data
if {!$INITIALIZED} {
free_resources
}
# Adjust input data
regsub -all {\r\n?} $data "\n" data ;# Any EOL to LF
regsub -all {\s*#[^\n]*\n} $data {} data ;# Remove comments
set lineNum -1 ;# Line number
# Iterate over lines in the given data
foreach line [split $data "\n"] {
incr lineNum ;# Increment line number
# Discard the first line
if {!$lineNum} {
continue
}
# Skip empty lines
if {$line == {}} {continue}
# Anylize line
set ln [lindex $line 0] ;# Line number
set addr [lindex $line 1] ;# Address
set line [lreplace $line 0 1] ;# Processor codes
# Check for validity of line number
if {![string is digit -strict $ln]} {
Error $lineNum [mc "Invalid line number '%s'" $ln]
continue
}
# Check for validity of address
if {![string is digit -strict $addr]} {
Error $lineNum [mc "Invalid address '%s'" $addr]
continue
}
# Check for allowed characters
if {![regexp {^[\d \t]+$} $line] || ![llength $line]} {
Error $lineNum [mc "Invalid data field"]
continue
}
# Load processor codes
foreach val $line {
set content($addr) [format %X $val]
incr addr
}
# Update GUI and progress variable
if {$update} {
if {![expr {$lineNum % 25}]} {
# Conditional abort
if {$abort} {return 0}
# Update progress variable and GUI
incr progress
update
}
}
}
# Return result
if {$error_count} {
return 0
} else {
return 1
}
}
## Get loaded data as binary string
# @return String - Resulting binary data
proc get_bin_data {} {
variable content ;# Array: Currently loaded data
variable update ;# Bool: Periodicaly update GUI and increment progress
variable abort 0 ;# Bool: Abort currently running procedure
variable progress 1 ;# Int: Variable for progress bars
# Local variables
set addr 0 ;# Current address
set pad {} ;# Padding
set result {} ;# Resulting binary string
# Load data and convert them (16 x 4096 interations)
for {set j 0} {$j < 16} {incr j} {
for {set i 0} {$i < 4096} {incr i} {
# Get hexadecimal value
set hex $content($addr)
# Convert it to binary value
if {$hex == {}} {
append pad "\0"
} else {
if {$pad != {}} {
append result $pad
set pad {}
}
append result [subst -nocommands "\\x$hex"]
}
# Increment address
incr addr
}
# Update GUI and progress variable
if {$update} {
# Update progress variable and GUI
incr progress
update
# Conditional abort
if {$abort} {
return {}
}
}
}
# Return resulting binary string
return $result
}
## Get loaded data as IHEX8
# @return String - Resulting IHEX8
proc get_hex_data {} {
variable content ;# Array: Currently loaded data
variable update ;# Bool: Periodicaly update GUI and increment progress
variable abort 0 ;# Bool: Abort currently running procedure
variable progress 1 ;# Int: Variable for progress bars
variable data_field ;# Auxiliary variable for creating IHEX records
variable data_field_len ;# Auxiliary variable for creating IHEX records
# Local variables
set pointer 0 ;# Current address
set data_field_len 0 ;# IHEX8 Data field lenght
set data_field {} ;# IHEX8 Data field
set result {} ;# Resulting IHEX8
# Load data (16 x 4096 interations)
for {set j 0} {$j < 16} {incr j} {
for {set i 0} {$i < 4096} {incr i} {
# Determinate HEX value
set hex $content($pointer)
# If HEX value if empty -> write record
if {$hex == {} && $data_field_len} {
create_hex_record [expr {$pointer - $data_field_len}]
append result $data_field
set data_field {}
# Append HEX value to the current data field
} elseif {$hex != {}} {
if {[string length $hex] == 1} {
set hex "0$hex"
}
append data_field $hex
incr data_field_len
}
# Increment current address
incr pointer
# If data field length is high -> write record
if {$data_field_len == ${::Compiler::Settings::max_ihex_rec_length}} {
create_hex_record [expr {$pointer - $data_field_len}]
append result $data_field
set data_field {}
}
}
# Update GUI and progress variable
if {$update} {
# Update progress variable and GUI
incr progress
update
# Conditional abort
if {$abort} {
return {}
}
}
}
# Append EOF and return result
append result {:00000001FF}
append result "\n"
return $result
}
## Free used resources
# @return void
proc free_resources {} {
variable content ;# Array: Currently loaded data
variable error_string {} ;# Error messages
variable data_field 0 ;# Auxiliary variable for creating IHEX records
# Reset array of loaded data
for {set i 0} {$i < 0x10000} {incr i} {
set content($i) {}
}
}
## Get value of particular cell in the loaded array
# @parm Int addr - Must be 0..65535
# @return Int - -1 == Not defined; 0..255 loaded value
proc get_value {addr} {
variable content ;# Array: Currently loaded data
if {$addr < 0 || $addr > 0xFFFF} {
return -1
}
set result $content($addr)
if {$result == {}} {
return -1
} else {
return $result
}
}
# ----------------------------------------------------------------
# INTERNAL AUXILIARY PROCEDURES
# ----------------------------------------------------------------
## Create IHEX8 record (result -> data_field)
# @parm String addr - Content of address firld (decimal number)
# @return void
proc create_hex_record {addr} {
variable data_field ;# Auxiliary variable for creating IHEX records
variable data_field_len ;# Auxiliary variable for creating IHEX records
# Adjust address
set addr [format %X $addr]
set len [string length $addr]
if {$len != 4} {
set addr "[string repeat 0 [expr {4 - $len}]]$addr"
}
# Adjust lenght
set len [format %X $data_field_len]
if {[string length $len] == 1} {
set len "0$len"
}
# Create HEX field
set data_field ":${len}${addr}00${data_field}[getCheckSum ${len}${addr}00${data_field}]\n"
set data_field_len 0
}
## Append error message to error_string
# @parm Int line - Number of line where the error occurred
# @parm String - Error message
# @return void
proc Error {line string} {
variable error_count ;# Int: Count of errors
variable error_string ;# Error messages
incr error_count
append error_string [mc "Error at %s:\t" $line] $string "\n"
}
}
# >>> File inclusion guard
}
# <<< File inclusion guard
|