#!/usr/bin/wish
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#!/usr/bin/wish
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#------------------------------------------------------------------------------
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#------------------------------------------------------------------------------
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# Copyright (C) 2001 Authors
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# Copyright (C) 2001 Authors
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#
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#
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# This source file may be used and distributed without restriction provided
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# This source file may be used and distributed without restriction provided
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# that this copyright statement is not removed from the file and that any
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# that this copyright statement is not removed from the file and that any
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# derivative work contains the original copyright notice and the associated
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# derivative work contains the original copyright notice and the associated
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# disclaimer.
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# disclaimer.
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#
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#
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# This source file is free software; you can redistribute it and/or modify
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# This source file is free software; you can redistribute it and/or modify
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# it under the terms of the GNU Lesser General Public License as published
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# it under the terms of the GNU Lesser General Public License as published
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# by the Free Software Foundation; either version 2.1 of the License, or
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# by the Free Software Foundation; either version 2.1 of the License, or
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# (at your option) any later version.
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# (at your option) any later version.
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#
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#
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# This source is distributed in the hope that it will be useful, but WITHOUT
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# This source is distributed in the hope that it will be useful, but WITHOUT
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# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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# FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
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# FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
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# License for more details.
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# License for more details.
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#
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#
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# You should have received a copy of the GNU Lesser General Public License
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# You should have received a copy of the GNU Lesser General Public License
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# along with this source; if not, write to the Free Software Foundation,
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# along with this source; if not, write to the Free Software Foundation,
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# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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#
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#
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#------------------------------------------------------------------------------
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#------------------------------------------------------------------------------
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#
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#
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# File Name: server.tcl
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# File Name: server.tcl
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#
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#
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# Author(s):
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# - Olivier Girard, olgirard@gmail.com
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#
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#------------------------------------------------------------------------------
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# $Rev: 15 $
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# $LastChangedBy: olivier.girard $
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# $LastChangedDate: 2009-08-04 22:41:47 +0200 (Tue, 04 Aug 2009) $
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#------------------------------------------------------------------------------
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#------------------------------------------------------------------------------
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global clients
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global clients
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global server
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global server
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###############################################################################
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###############################################################################
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# #
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# #
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# START/STOP LOCAL SERVER #
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# START/STOP LOCAL SERVER #
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# #
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# #
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###############################################################################
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###############################################################################
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proc startServer { } {
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proc startServer { } {
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global server
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global server
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if {![info exists server(socket)]} {
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if {![info exists server(socket)]} {
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putsLog "Open socket on port $server(port) ... " 1
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putsLog "Open socket on port $server(port) ... " 1
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if {[catch {socket -server clientAccept $server(port)} server(socket)]} {
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if {[catch {socket -server clientAccept $server(port)} server(socket)]} {
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putsLog "failed"
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putsLog "failed"
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putsLog "ERROR: $server(socket)."
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putsLog "ERROR: $server(socket)."
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unset server(socket)
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unset server(socket)
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return 0
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return 0
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}
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}
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putsLog "done"
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putsLog "done"
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putsLog "INFO: Waiting on TCP port $server(port)"
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putsLog "INFO: Waiting on TCP port $server(port)"
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} else {
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} else {
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putsLog "Server is already up."
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putsLog "Server is already up."
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}
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}
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return 1
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return 1
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}
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}
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proc stopServer { } {
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proc stopServer { } {
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global serial_status
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global serial_status
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global server
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global server
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if {[info exists server(socket)]} {
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if {[info exists server(socket)]} {
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set port [lindex [fconfigure $server(socket) -sockname] 2]
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set port [lindex [fconfigure $server(socket) -sockname] 2]
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putsLog "Stop server (port $port)"
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putsLog "Stop server (port $port)"
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close $server(socket)
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close $server(socket)
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unset server(socket)
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unset server(socket)
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}
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}
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if {$serial_status} {
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if {$serial_status} {
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ReleaseDevice 0xfffe
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ReleaseDevice 0xfffe
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}
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}
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}
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}
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proc clientAccept {sock addr port} {
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proc clientAccept {sock addr port} {
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global clients
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global clients
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putsLog "Accept client: $addr ($port)\n"
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putsLog "Accept client: $addr ($port)\n"
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set clients(addr,$sock) [list $addr $port]
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set clients(addr,$sock) [list $addr $port]
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fconfigure $sock -buffering none
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fconfigure $sock -buffering none
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fileevent $sock readable [list receiveRSPpacket $sock]
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fileevent $sock readable [list receiveRSPpacket $sock]
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InitBreakUnits
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InitBreakUnits
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}
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}
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proc startServerGUI { } {
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proc startServerGUI { } {
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global serial_device
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global serial_device
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global hw_break
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global hw_break
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# Connect to device
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# Connect to device
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if {![GetDevice]} {
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if {![GetDevice]} {
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.serial.l3 configure -text "Connection problem" -fg red
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.serial.l3 configure -text "Connection problem" -fg red
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putsLog "ERROR: Could not open $serial_device"
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putsLog "ERROR: Could not open $serial_device"
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return 0
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return 0
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}
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}
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.serial.l3 configure -text "Connected" -fg green
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.serial.l3 configure -text "Connected" -fg green
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# Display info
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# Display info
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putsLog "INFO: Sucessfully connected with the openMSP430 target."
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putsLog "INFO: Sucessfully connected with the openMSP430 target."
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set sizes [GetCPU_ID_SIZE]
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set sizes [GetCPU_ID_SIZE]
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putsLog "INFO: ROM Size - [lindex $sizes 0] B"
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putsLog "INFO: ROM Size - [lindex $sizes 0] B"
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putsLog "INFO: RAM Size - [lindex $sizes 1] B"
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putsLog "INFO: RAM Size - [lindex $sizes 1] B"
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putsLog "INFO: $hw_break(num) Hardware Break/Watch-point unit(s) detected"
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putsLog "INFO: $hw_break(num) Hardware Break/Watch-point unit(s) detected"
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putsLog " "
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putsLog " "
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# Reset & Stop CPU
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# Reset & Stop CPU
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ExecutePOR_Halt
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ExecutePOR_Halt
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# Start server for GDB
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# Start server for GDB
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if {![startServer]} {
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if {![startServer]} {
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.server.port.l2 configure -text "Connection problem" -fg red
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.server.port.l2 configure -text "Connection problem" -fg red
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return 0
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return 0
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}
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}
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.server.port.l2 configure -text "Running" -fg green
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.server.port.l2 configure -text "Running" -fg green
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# Disable gui entries
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# Disable gui entries
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.serial.p1 configure -state disabled
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.serial.p1 configure -state disabled
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.serial.p2 configure -state disabled
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.serial.p2 configure -state disabled
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.server.port.p configure -state disabled
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.server.port.p configure -state disabled
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.server.port.start configure -state disabled
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.server.port.start configure -state disabled
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}
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}
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###############################################################################
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###############################################################################
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# #
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# #
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# RECEIVE / SEND RSP PACKETS #
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# RECEIVE / SEND RSP PACKETS #
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# #
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# #
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###############################################################################
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###############################################################################
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proc receiveRSPpacket {sock} {
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proc receiveRSPpacket {sock} {
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# Get client info
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# Get client info
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set ip [lindex [fconfigure $sock -peername] 0]
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set ip [lindex [fconfigure $sock -peername] 0]
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set port [lindex [fconfigure $sock -peername] 2]
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set port [lindex [fconfigure $sock -peername] 2]
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# Check if a new packet arrives
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# Check if a new packet arrives
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set rx_packet 0
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set rx_packet 0
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set rsp_cmd [getDebugChar $sock]
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set rsp_cmd [getDebugChar $sock]
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set rsp_sum ""
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set rsp_sum ""
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if {[string eq $rsp_cmd "\$"]} {
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if {[string eq $rsp_cmd "\$"]} {
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set rx_packet 1
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set rx_packet 1
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set rsp_cmd ""
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set rsp_cmd ""
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} else {
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} else {
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binary scan $rsp_cmd H* rsp_cmd
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binary scan $rsp_cmd H* rsp_cmd
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if {$rsp_cmd=="03"} {
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if {$rsp_cmd=="03"} {
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putsVerbose "--> BREAK"
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putsVerbose "--> BREAK"
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HaltCPU
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HaltCPU
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}
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}
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}
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}
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# Receive packet
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# Receive packet
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while {$rx_packet} {
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while {$rx_packet} {
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set char [getDebugChar $sock]
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set char [getDebugChar $sock]
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if {$char==-1} {
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if {$char==-1} {
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set rx_packet 0
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set rx_packet 0
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} elseif {[string eq $char "\#"]} {
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} elseif {[string eq $char "\#"]} {
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set rx_packet 0
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set rx_packet 0
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set rsp_sum [getDebugChar $sock]
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set rsp_sum [getDebugChar $sock]
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append rsp_sum [getDebugChar $sock]
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append rsp_sum [getDebugChar $sock]
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# Re-calculate the checksum
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# Re-calculate the checksum
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set tmp_sum [RSPcheckSum $rsp_cmd]
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set tmp_sum [RSPcheckSum $rsp_cmd]
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# Acknowledge and analyse the packet
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# Acknowledge and analyse the packet
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if {[string eq $rsp_sum $tmp_sum]} {
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if {[string eq $rsp_sum $tmp_sum]} {
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putDebugChar $sock "+"
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putDebugChar $sock "+"
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# Remove escape characters
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# Remove escape characters
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set rsp_cmd [removeEscapeChar $rsp_cmd]
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set rsp_cmd [removeEscapeChar $rsp_cmd]
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putsVerbose "+ w $rsp_cmd"
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putsVerbose "+ w $rsp_cmd"
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# Parse packet and send back the answer
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# Parse packet and send back the answer
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set rsp_answer [rspParse $sock $rsp_cmd]
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set rsp_answer [rspParse $sock $rsp_cmd]
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if {$rsp_answer != "-1"} {
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if {$rsp_answer != "-1"} {
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sendRSPpacket $sock $rsp_answer
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sendRSPpacket $sock $rsp_answer
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}
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}
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} else {
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} else {
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putDebugChar $sock "-"
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putDebugChar $sock "-"
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}
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}
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} else {
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} else {
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append rsp_cmd $char
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append rsp_cmd $char
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}
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}
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}
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}
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}
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}
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proc sendRSPpacket {sock rsp_cmd} {
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proc sendRSPpacket {sock rsp_cmd} {
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# Set escape characters
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# Set escape characters
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set rsp_cmd [setEscapeChar $rsp_cmd]
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set rsp_cmd [setEscapeChar $rsp_cmd]
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# Calculate checksum
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# Calculate checksum
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set rsp_sum [RSPcheckSum $rsp_cmd]
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set rsp_sum [RSPcheckSum $rsp_cmd]
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# Format the packet
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# Format the packet
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set rsp_packet "\$$rsp_cmd\#$rsp_sum"
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set rsp_packet "\$$rsp_cmd\#$rsp_sum"
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# Send the packet until the "+" aknowledge is received
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# Send the packet until the "+" aknowledge is received
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set send_ok 0
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set send_ok 0
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while {!$send_ok} {
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while {!$send_ok} {
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putDebugChar $sock "$rsp_packet"
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putDebugChar $sock "$rsp_packet"
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set char [getDebugChar $sock]
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set char [getDebugChar $sock]
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putsVerbose "$char r $rsp_cmd"
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putsVerbose "$char r $rsp_cmd"
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if {$char==-1} {
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if {$char==-1} {
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set send_ok 1
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set send_ok 1
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} elseif {[string eq $char "+"]} {
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} elseif {[string eq $char "+"]} {
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set send_ok 1
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set send_ok 1
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}
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}
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}
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}
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}
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}
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###############################################################################
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###############################################################################
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# #
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# #
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# CHECKSUM / ESCAPE CHAR / RX / TX FUNCTIONS #
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# CHECKSUM / ESCAPE CHAR / RX / TX FUNCTIONS #
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# #
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# #
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###############################################################################
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###############################################################################
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proc RSPcheckSum {rsp_cmd} {
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proc RSPcheckSum {rsp_cmd} {
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set rsp_sum 0
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set rsp_sum 0
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for {set i 0} {$i<[string length $rsp_cmd]} {incr i} {
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for {set i 0} {$i<[string length $rsp_cmd]} {incr i} {
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scan [string index $rsp_cmd $i] "%c" char_val
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scan [string index $rsp_cmd $i] "%c" char_val
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set rsp_sum [expr $rsp_sum+$char_val]
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set rsp_sum [expr $rsp_sum+$char_val]
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}
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}
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set rsp_sum [format %02x [expr $rsp_sum%256]]
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set rsp_sum [format %02x [expr $rsp_sum%256]]
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return $rsp_sum
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return $rsp_sum
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}
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}
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proc removeEscapeChar {rsp_cmd} {
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proc removeEscapeChar {rsp_cmd} {
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# Replace all '\}0x03' characters with '#'
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# Replace all '\}0x03' characters with '#'
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regsub -all "\}[binary format H* 03]" $rsp_cmd "\#" rsp_cmd
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regsub -all "\}[binary format H* 03]" $rsp_cmd "\#" rsp_cmd
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# Replace all '\}0x04' characters with '$'
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# Replace all '\}0x04' characters with '$'
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regsub -all "\}[binary format H* 04]" $rsp_cmd "\$" rsp_cmd
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regsub -all "\}[binary format H* 04]" $rsp_cmd "\$" rsp_cmd
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# Replace all '\}\]' characters with '\}'
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# Replace all '\}\]' characters with '\}'
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regsub -all "\}\]" $rsp_cmd "\}" rsp_cmd
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regsub -all "\}\]" $rsp_cmd "\}" rsp_cmd
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return "$rsp_cmd"
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return "$rsp_cmd"
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}
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}
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proc setEscapeChar {rsp_cmd} {
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proc setEscapeChar {rsp_cmd} {
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# Escape all '\}' characters with '\}\]'
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# Escape all '\}' characters with '\}\]'
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regsub -all "\}" $rsp_cmd "\}\]" rsp_cmd
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regsub -all "\}" $rsp_cmd "\}\]" rsp_cmd
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# Escape all '$' characters with '\}0x04'
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# Escape all '$' characters with '\}0x04'
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regsub -all "\\$" $rsp_cmd "\}[binary format H* 04]" rsp_cmd
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regsub -all "\\$" $rsp_cmd "\}[binary format H* 04]" rsp_cmd
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# Escape all '#' characters with '\}0x03'
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# Escape all '#' characters with '\}0x03'
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regsub -all "\#" $rsp_cmd "\}[binary format H* 03]" rsp_cmd
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regsub -all "\#" $rsp_cmd "\}[binary format H* 03]" rsp_cmd
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return "$rsp_cmd"
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return "$rsp_cmd"
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}
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}
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proc getDebugChar {sock} {
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proc getDebugChar {sock} {
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global clients
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global clients
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# Get client info
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# Get client info
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set ip [lindex [fconfigure $sock -peername] 0]
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set ip [lindex [fconfigure $sock -peername] 0]
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set port [lindex [fconfigure $sock -peername] 2]
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set port [lindex [fconfigure $sock -peername] 2]
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if {[eof $sock] || [catch {set char [read $sock 1]}]} {
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if {[eof $sock] || [catch {set char [read $sock 1]}]} {
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# end of file or abnormal connection drop
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# end of file or abnormal connection drop
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close $sock
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close $sock
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putsLog "Connection closed: $ip ($port)\n"
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putsLog "Connection closed: $ip ($port)\n"
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unset clients(addr,$sock)
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unset clients(addr,$sock)
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return -1
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return -1
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} else {
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} else {
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return $char
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return $char
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}
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}
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}
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}
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proc putDebugChar {sock char} {
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proc putDebugChar {sock char} {
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puts -nonewline $sock $char
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puts -nonewline $sock $char
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}
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}
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