# # Defines basic Tcl procs that must be there for # OpenOCD to work. # # Embedded into OpenOCD executable # # Help text list. A list of command + help text pairs. # # Commands can be more than one word and they are stored # as "flash banks" "help text x x x" global ocd_helptext set ocd_helptext {} proc add_help_text {cmd cmd_help} { global ocd_helptext lappend ocd_helptext [list $cmd $cmd_help] } # Production command # FIX!!! need to figure out how to feed back relevant output # from e.g. "flash banks" command... proc board_produce {filename serialnumber} { openocd "reset init" openocd "flash write_image erase $filename [flash] bin"]] openocd "verify_image $filename [flash] bin"]] echo "Successfully ran production procedure" } proc board_test {} { echo "Production test not implemented" } # Show flash in human readable form # This is an example of a human readable form of a low level fn proc flash_banks_pretty {} { set i 0 set result "" foreach {a} [flash_banks] { if {$i > 0} { set result "$result\n" } set result [format "$result#%d: %s at 0x%08x, size 0x%08x, buswidth %d, chipwidth %d" $i [lindex $a 0] [lindex $a 1] [lindex $a 2] [lindex $a 3] [lindex $a 4]] set i [expr $i+1] } return $result } # We need to explicitly redirect this to the OpenOCD command # as Tcl defines the exit proc proc exit {} { openocd_throw exit } # We have currently converted only "flash banks" to tcl. proc flash args { if {[string compare [lindex $args 0] banks]==0} { return [flash_banks_pretty] } openocd_throw "flash $args" } #Print help text for a command. Word wrap #help text that is too wide inside column. proc help {args} { global ocd_helptext set cmd $args foreach a [lsort $ocd_helptext] { if {[string length $cmd]==0||[string first $cmd $a]!=-1||[string first $cmd [lindex $a 1]]!=-1} { set w 50 set cmdname [lindex $a 0] set h [lindex $a 1] set n 0 while 1 { if {$n > [string length $h]} {break} set next_a [expr $n+$w] if {[string length $h]>$n+$w} { set xxxx [string range $h $n [expr $n+$w]] for {set lastpos [expr [string length $xxxx]-1]} {$lastpos>=0&&[string compare [string range $xxxx $lastpos $lastpos] " "]!=0} {set lastpos [expr $lastpos-1]} { } #set next_a -1 if {$lastpos!=-1} { set next_a [expr $lastpos+$n+1] } } puts [format "%-25s %s" $cmdname [string range $h $n [expr $next_a-1]] ] set cmdname "" set n [expr $next_a] } } } } add_help_text help "Tcl implementation of help command" # If a fn is unknown to Tcl, we try to execute it as an OpenOCD command proc unknown {args} { if {[string length $args]>0} { set cmd "" # We need to add back quotes for arguments w/space # for args without space, we can add quotes anyway foreach {a} $args { set cmd "$cmd \"$a\"" } openocd_throw $cmd } # openocd_throw outputs while running and also sets the # primary return value to the output of the command # # The primary return value have been set by "openocd" above, # so we need to clear it, lest we print out the output from # the command twice. return "" }