introduce a README how to use tbot for testing U-Boot and/or linux kernels.
Signed-off-by: Heiko Schocher hs@denx.de --- Stephen, I try to find time to try also your testcode in test. I am sorry to say, I had not yet time for it ...
tools/tbot/README | 185 ++++++++++++++++ tools/tbot/README-ToDo | 62 ++++++ tools/tbot/README.create_a_new_testcase | 117 ++++++++++ tools/tbot/README.install | 370 ++++++++++++++++++++++++++++++++ 4 files changed, 734 insertions(+) create mode 100644 tools/tbot/README create mode 100644 tools/tbot/README-ToDo create mode 100644 tools/tbot/README.create_a_new_testcase create mode 100644 tools/tbot/README.install
diff --git a/tools/tbot/README b/tools/tbot/README new file mode 100644 index 0000000..a637a63 --- /dev/null +++ b/tools/tbot/README @@ -0,0 +1,185 @@ +# Copyright (c) 2016 DENX Software Engineering GmbH +# Heiko Schocher hs@denx.de +# +# SPDX-License-Identifier: GPL-2.0+ +# + +What is tbot ? +============== + +tbot is a tool for executing testcases on boards. +Source code found on [1] +Based on DUTS [2] +written in python + +Basic Ideas of tbot +=================== +(see also the figure: +https://github.com/hsdenx/tbot/blob/master/doc/tbot_structure.png ) + +- Virtual laboratory (VL) + VL is the basic environment that groups: + - [a number of] boards - target devices on which tbot executes testcases. + - one Lab PC + +- Test case (TC): + A piece of python code, which uses the tbot class from [1]. + Tbot provides functions for sending shell commands and parsing the + shell commands output. + Tbot waits endless for a shell commands end (detected through reading + the consoles prompt). + A TC can also call other TC-es. + + remark: + Tbot not really waits endless, for a shell commands end, instead + tbot starts a watchdog in the background, and if it triggers, tbot + ends the TC as failed. In the tbot beginning there was a lot of + timeouts / retry cases, but it turned out, that waiting endless + is robust and easy ... + +- Host PC (where tbot runs, currently only linux host tested) + must not a powerful machine (For example [3], I use a + raspberry pi for running tbot and buildbot) + +- Lab PC: + - Host PC connects through ssh to the Lab PC + -> so it is possible to test boards, which + are not at the same place as the Host PC. + (Lab PC and Host PC can be the same of course) + -> maybe we can setup a Testsystem, which does nightly + U-Boot/Linux builds and test from current mainline U-Boot + on boards wherever they are accessible. + + - necessary tasks a Lab PC must deliver: + - connect to boards console through a shell command. + - power on/off boards through a shell command + - detect the current power state of a board through + a shell command + + - optional tasks: + - tftp server (for example loading images) + - nfs server (used as rootfs for linux kernels) + - Internet access for example for downloading + U-Boot source with git. + - toolchains installed for compiling source code + + -> a linux machine is preffered. + + - currently only Lab PC with an installed linux supported/tested. + +- Boards(s): + the boards on which shell commands are executed. + +- Board state: + equals to the software, the board is currently running. + + Currently tbot supports 2 board states: + - "u-boot", if the board is running U-Boot + - "linux", if the board is running a linux kernel + + It should be easy to add other board states to tbot, see + https://github.com/hsdenx/tbot/tree/master/src/lab_api/state_%5Bu-boot/linux... + + A board state is detected through analysing the boards + shell prompt. In linux, tbot sets a special tbot prompt, + in U-Boot the prompt is static, and configurable in tbot through + a board config file. + + A TC can say in which board state it want to send shell commands. + Tbot tries to detect the current board state, if board is not in + the requested board state, tbot tries to switch into the correct + state. If this fails, the TC fails. + + It is possible to switch in a single TC between board states. + +- tbot cmdline parameters: + +$ python2.7 src/common/tbot.py --help +Usage: tbot.py [options] + +Options: + -h, --help show this help message and exit + -c CFGFILE, --cfgfile=CFGFILE + the tbot common configfilename + -l LOGFILE, --logfile=LOGFILE + the tbot logfilename, if default, tbot creates a + defaultnamelogfile + -t TC, --testcase=TC the testcase which should be run + -v, --verbose be verbose, print all read/write to stdout + -w WORKDIR, --workdir=WORKDIR + set workdir, default os.getcwd() +$ + +tbot needs the following files for proper execution: + + - tbot board configuration file (option -c): + A board configuration file contains settings tbot needs to + connect to the Lab PC and board specific variable settings + for testcases. + + - name of the logfile tbot creates (option -l) + defaultname: 'log/' + now.strftime("%Y-%m-%d-%H-%M") + '.log' + + - tbots working directory (option -w) + + - the testcasename tbot executes (option -t) + +You are interested and want to use tbot? +If so, please read on the file: +tools/tbot/README.install + +If not read [3] ;-) + +Heiko Schocher hs@denx.de +v1 2016.01.22 + +-------------- +[1] https://github.com/hsdenx/tbot +[2] http://www.denx.de/wiki/DUTS/DUTSDocs +[3] automated Testsetup with buildbot and tbot doing cyclic tests + (buildbot used for starting tbot TC and web presentation of the + results, all testing done through tbot): + http://xeidos.ddns.net/buildbot/tgrid + Host PC in Letkes/hungary + VL in munich/germany + + Fancy things are done here, for example: + - http://xeidos.ddns.net/buildbot/builders/smartweb_dfu/builds/43/steps/shell/... + (I try to cleanup the logfile soon, so it is not so filled with crap ;-) + A first step see here: + http://xeidos.ddns.net/buildbot/builders/smartweb_dfu/builds/45/steps/shell/... + (same TC now with the new loglevel = 'CON' ... not yet perfect) + Executed steps: + - clone u-boot.git + - set toolchain + - get a list of patchwork patches from my U-Boots ToDo list + - download all of them, and check them with checkpatch + and apply them to u-boot.git + - compile U-Boot for the smartweb board + - install the resulting images on the smartweb board + - boot U-boot + - test DFU + - more TC should be added here for testing U-Boot + + - automatic "git bisect" + https://github.com/hsdenx/tbot/blob/master/src/tc/tc_board_git_bisect.py + http://xeidos.ddns.net/buildbot/builders/tqm5200s/builds/3/steps/shell/logs/... + + If a current U-Boot image not works on the tqm5200 board + this TC can be started. It starts a "git bisect" session, + and compiles for each step U-Boot, install it on the tqm5200 + board, and tests if U-Boot works ! + + At the end, it detects the commit, which breaks the board + + This TC is not dependend on U-Boot nor on a special board. It + needs only 3 variables: + tb.board_git_bisect_get_source_tc: TC which gets the source tree, in which + "git bisect" should be executed + tb.board_git_bisect_call_tc: TC which gets called every "git bisect" step, + which executes commands for detecting if current source code is OK or not. + This could be a TC which compiles U-Boot, install it on the board and + executes TC on the new booted U-Boot image. ! Board maybe gets borken, + as not all U-Boot images work, so you must have a TC which install U-Boot + image for example through a debugger. + tb.board_git_bisect_good_commit: last nown good commit id diff --git a/tools/tbot/README-ToDo b/tools/tbot/README-ToDo new file mode 100644 index 0000000..daf1af1 --- /dev/null +++ b/tools/tbot/README-ToDo @@ -0,0 +1,62 @@ +# Copyright (c) 2016 DENX Software Engineering GmbH +# Heiko Schocher hs@denx.de +# +# SPDX-License-Identifier: GPL-2.0+ +# + +ToDo list for tbot +================== + +please look also into the tbot ToDo list. +https://github.com/hsdenx/tbot/blob/master/ToDo + +- cleanup tbot code: + - remove all retry / timeout pieces of code + - clean up tbot function names, as I am not good in + giving function a understandable name ;-) + - as I am not a python programmer, cleanup whole tbot code + +- introduce a "layering" like yocto do, so U-Boot TC can integrated + into U-Boot source code. + + Proposal: + introduce subdirs in "src/tc" + + lab: all lab specific stuff + lab/common: common lab stuff (for example ssh handling) + lab/ssh_std: ssh_std specific stuff + + u-boot: all u-boot tests + u-boot/common: common u-boot tc + u-boot/duts: DUTS tc + u-boot-dxr2: all u-boot dxr2 board specific tc + + board: board tc + board/common: common board tc + board/dxr2: all tc for dxr2 board + + linux: all linux tc + linux/common: common linux tc + linux/dxr2 + + - move U-Boot special TC to U-Boot source + -> need a mechanism in tbot, how it gets automatically for example + U-Boot TC from U-Boot source... + -> add a consistency checker + +- simplify tbot log output (seperate a lot of output which is currently + in INFO logging level, to another logging level) + started (new loglevel "CON", whih prints read/write from console only), see: + https://github.com/hsdenx/tbot/commit/b4ab2567ad8c19ad53f785203159d3c8465a21... + - make the timestamp configurable + +- Open more than 2 filehandles ? + Do we need for more complex TC more than 2 filehandles? + +- Find a way to document all TC and document all variables they use in an + automated way. + +- write a lot of more TC + +- get U-Boot configuration settings from current U-Boot code and use + them in U-Boot TC-es diff --git a/tools/tbot/README.create_a_new_testcase b/tools/tbot/README.create_a_new_testcase new file mode 100644 index 0000000..fbf8ae8 --- /dev/null +++ b/tools/tbot/README.create_a_new_testcase @@ -0,0 +1,117 @@ +# Copyright (c) 2016 DENX Software Engineering GmbH +# Heiko Schocher hs@denx.de +# +# SPDX-License-Identifier: GPL-2.0+ +# + +write a new testcase +===================== + +A TC is written in python, so you can use python as usual. For accessing +the boards console, use functions from the tbotlib, therefore + +First import the tbotlib with the line: + + from tbotlib import tbot + +If your TC uses variables, please add a line which adds them to +the log file (for debugging purposes): + + logging.info("args: %s ...", tb.varname, ...) + +Say tbot, for which board state your TC is valid with: + + tb.set_board_state("u-boot") + +Then you are ready ... and you can use the tbotlib funtions +for writting/reading to the boards console. + +Big fat warning: + +A TC must worry about to end only if a board has finished the shell +command! + +Not following this rule, will end in unpredictable behaviour. + +(hopefully) useful tbotlib functions +==================================== +- set the board state, you want to test + tb.set_board_state(state) + states are: "u-boot" or "linux" + If tbot could not set the board state, tbot ends with failure. + +- write a command to the boards console: + tb.eof_write_con(command): + write the command to the boards console. If this + fails, tbot ends with failure + +- write a command to boards console and wait for prompt: + tb.eof_write_cmd(fd, command): + fd: filedescriptor which is used, use tb.channel_con for boards console + command: command which is written to fd + + Wait endless for board prompt + +- write a list of commands to boards console: + tb.eof_write_cmd_list(fd, cmdlist): + fd: filedescriptor which is used, use tb.channel_con for boards console + cmdlist: python list of commandstrings which is written to fd + +- wait for boards prompt: + tb.eof_read_end_state_con(retry): + retry: deprecated, not used anymore, cleanup needed here... + tbot waits endless for the boards prompt + +- write a command, wait for prompt and check, if a string is read + tb.write_cmd_check(fd, cmd, string): + fd: filedescriptor which is used, use tb.channel_con for boards console + cmd: command, which is send to fd + string: string which should be read from fd + + return value: + True, if string is read and tbot got back boards prompt + False, else + + tb.eof_write_cmd_check(fd, cmd, string): + same as tb.write_cmd_check(fd, cmd, string) except, that tbot + ends immediately with Failure, if string is not read. + +- read until prompt and search strings: + tb.readline_and_search_strings(fd, strings): + fd: filedescriptor which is used, use tb.channel_con for boards console + strings: python list of strings, which can be read + If one of this strings is read, this function return the index, which + string is read. This function shoud be called in a while loop, + until this function returns 'prompt' + +- read a line from filedescriptor: + not recommended to use, as the TC must check, if tprompt is read for every + readen line. Also TC must ensure, that it ends only, if prompt is read. + tb.read_line(fd, retry) + fd: filedescriptor which is used, use tb.channel_con for boards console + retry: retry of trying to reead a line + + return values: + True, if a line is read. Readen line in tb.buf[fd] + False, if something read, but not a complete line + None, if nothing is read + + check if string contains prompt with: + tb.is_end_fd(fd, string) + fd: filedescriptor which is used, use tb.channel_con for boards console + string: buffer, in which a prompt gets searched. + +- calling other TC: + eof_call_tc(name): + call another TC from "src/tc" + if the called TC fails with failure, tbot ends with failure + + call_tc(name): + call another TC from "src/tc" + if the TC which call_tc calls fails, call_tc() returns False, else True + +There are more functions, but for writting TC this should be enough. But +its software, so new useful functions can always pop up. + +Heiko Schocher hs@denx.de +v1 2016.01.23 diff --git a/tools/tbot/README.install b/tools/tbot/README.install new file mode 100644 index 0000000..24c67bc --- /dev/null +++ b/tools/tbot/README.install @@ -0,0 +1,370 @@ +# Copyright (c) 2016 DENX Software Engineering GmbH +# Heiko Schocher hs@denx.de +# +# SPDX-License-Identifier: GPL-2.0+ +# + +install tbot on your PC (linux only tested): +============================================ + +- get the source code: + +$ git clone https://github.com/hsdenx/tbot.git +[...] +$ + + cd into the tbot directory. + +- you need the for running tbot the python paramiko module, see: + http://www.paramiko.org/installing.html + + paramiko is used for handling ssh sessions, and open filedescriptors + on a ssh connection. Tbot open a ssh connection to a "lab PC" and + opens on that connection 2 filehandles, one for control functions + and one for the connection to the boards console. May it is worth + to think about to open more filehandles and use them in tbot, but + thats a point in the Todo list ... + + See [1] for more infos about tbot principles. + +- prepare a directory for storing the logfiles + and pass it with the commandline option "-l" + to tbot. Default is the directory "log" in the tbot + root (don;t forget to create it, if you want to use it) + +- If your VL is not yet in tbot source, integrate it + (This task has only to be done once for your VL): + + A VL has, as described in [2] "necessary tasks for a Lab PC" explained, + 3 tasks: + + a) power on/off the board + b) get power state of the board + c) connect to the boards console + + As tbot sends only shell commands (also to the Lab PC) + this tasks must be executable through shell commands on your + Lab PC: + + Task a) power on/off board: + default TC for this task is: + https://github.com/hsdenx/tbot/blob/master/src/tc/tc_lab_denx_power.py + + - now copy this file to for example + cp src/tc/tc_lab_denx_power.py src/tc/tc_lab_denx_power_XXX.py + (replace XXX to a proper value) + and adapt the "remote_power" command from the denx lab to your needs. + + As this TC powers on the board for all your boards in your VL, + you can differ between the boards through the tbot class + variable "tb.boardlabpowername" (which is in the default case the + same as "tb.boardname"), but you may need to name the power target + with an other name than boardname, so you can configure this case. + The power state "tb.power_state" which the TC has to set + is "on" for power on, or "off" for power off. + + If switching on the power is successful, call "tb.end_tc(True)" + else "tb.end_tc(False)" + + - set in your board config file: + self.tc_lab_denx_power_tc = 'tc_lab_denx_power_XXX.py' + + Task b) power on/off board: + default TC for this task is: + https://github.com/hsdenx/tbot/blob/master/src/tc/tc_lab_denx_get_power_stat... + + - now copy this file to for example + (replace XXX to a proper value) + cp src/tc/tc_lab_denx_get_power_state.py src/tc/tc_lab_denx_get_power_state_XXX.py + and adapt the commands to your needs. + + If the power of the board is on, call "tb.end_tc(True)" + else "tb.end_tc(False)" + + - set in your board config file: + self.tc_lab_denx_get_power_state_tc = 'tc_lab_denx_get_power_state_XXX.py' + + Task c) connect to the boards console: + default TC for this task is: + https://github.com/hsdenx/tbot/blob/master/src/tc/tc_lab_denx_connect_to_boa... + + - now copy this file to for example + (replace XXX to a proper value) + cp src/tc/tc_lab_denx_connect_to_board.py src/tc/tc_lab_denx_connect_to_board_XXX.py + and adapt the commands to your needs. + + As this TC powers on the board for all your boards in your VL, + you can differ between the boards through the tbot class + variable "tb.boardlabname" (which is in the default case the + same as "tb.boardname"), but you may need to name the power target + with an other name than boardname, so you can configure this case. + + If connect fails end this TC with "tb.end_tc(False)" + else call "tb.end_tc(True)" + + If you want to use kermit for connecting to the boards console, you + can use: + + https://github.com/hsdenx/tbot/blob/master/src/tc/tc_workfd_connect_with_ker... + + Example for such a board in the VL from denx: + self.tc_lab_denx_connect_to_board_tc = 'tc_workfd_connect_with_kermit.py' + https://github.com/hsdenx/tbot/blob/master/tbot_dxr2.cfg#L24 + + Hopefully this works for you too. + + - set in your board config file: + self.tc_lab_denx_connect_to_board_tc = 'tc_lab_denx_connect_to_board_XXX.py' + + remarks while writting this: + - Currently there is only the denx VL. Original idea was to include + other VL through a seperate class/file in + https://github.com/hsdenx/tbot/tree/master/src/lab_api + but it turned out, that if we say "ssh" is the standard way to connect + to a VL, we can integrate the VL specific tasks through testcases, see + above, so we should do: + - rename the "denx" API to a more general name. + This is a point on my ToDo list ... done, renamed to 'ssh_std' + + - the VL specific configuration may moved from the board config files + and should be collected in VL specific config files, which boards + config file simple include. + +- prepare password.py file: + This file contains all passwords tbot needs (for example for + linux login on the boards) + tbot searches this file in the tbot root directory. + It is a simple python file, for example: + + # passwords for the lab + if (board == 'lab'): + if (user == 'hs'): + password = 'passwordforuserhs' + if (user == 'root'): + password = 'passwordforrootuser' + # passwords for the boards + elif (board == 'mcx'): + if (user == 'root'): + password = 'passwordformcxrootfs' + else: + if (user == 'root'): + password = '' + + In the above example passwords for logging into the Lab PC tbot finds + through: + if (board == 'lab'): + user = 'name': + password = 'gnlmpf' # password 'gnlmpf' for login of user 'name' + +- prepare board config file + Each board which is found in the VL needs a tbot configuration file + pass the config file name with the option '-c' to tbot, tbot searches + in the root dir for them. + + board Example (dxr2 board): + https://github.com/hsdenx/tbot/blob/master/tbot_dxr2.cfg + + Necessary variables: + + line 3: boardname, here it is the "etamin" board + no default value, must be set. + line 4: boardlabname: name used for connecting to the board + may differ from tb.boardname, default tb.boardname + line 5: boardlabpowername: name used for power on/off + may differ from tb.boardname, default tb.boardname + line 6: tftpboardname: name used for tftp subdir (from where + U-Boot loads images for example). + may differ from tb.boardname, default tb.boardname + line 7: labprompt: linux prompt tbot sets + no defaultvalue, must be set (maybe we should introduce + "ttbott" as default ... + line 8: debug: If True, adds debug output on the tbot shell + line 9: debugstatus: enable status debug output on the shell + line 10: ip: Where tbot finds the Lab PC + line 11: user: As which user does tbot logs into the Lab PC + line 12: accept_all: passed to paramiko, accept all connections + line 13: keepalivetimout: passed to paramiko, timeout for sending + keepalive message. + line 14: channel_timeout: passed to paramiko + line 15: loglevel: tbots loglevel for adding entries into the logfile. + line 16: lap_api: used lap API (currently only 'ssh_std') + Should be declared as standard -> this line would be not needed + longer. + line 17: wdt_timeout: timeout in seconds for tbots watchdog. + Watchdog gets triggered if prompt get read. + line 20,21: include 'ssh_std' api + should be removed. + line 24: tc_lab_denx_connect_to_board_tc: Which TC is used for + connecting to the boards console the TC, here: + https://github.com/hsdenx/tbot/blob/master/src/tc/tc_workfd_connect_with_ker... + line 27: uboot_prompt: boards U-Boot prompt + line 28: linux_prompt: boards linux prompt + + Now comes a list of variables TC needs, this vary from which TC + you start on the board. + +Thats it ... you now can call tbot and hopefully, it works ;-) +Find an example log [3] for calling simple U-Boot TC for setting +an U-Boot Environmentvariable. + +If you have problems in setting tbot up, please contact me +(and may give me ssh access to your Lab PC ;-) + +If you have running your first TC [3], you may want to write now your own +TC (and hopefully share them), so continue with: +u-boot:tools/tbot/README.create_a_new_testcase + +Heiko Schocher hs@denx.de +v1 2016.01.22 + +-------------- + +[1] tbot Dokumentation: + [2] u-boot:/tools/tbot/README + https://github.com/hsdenx/tbot/blob/master/README.md + +[3] Example for a first U-Boot TC which should always work: + (with commandline option "-v" for verbose output): + +hs@localhost:tbot [master] $ python2.7 src/common/tbot.py -c tbot_dxr2.cfg -t tc_ub_setenv.py -v -l log/tbot.log +**** option cfg: tbot_dxr2.cfg log: log/tbot.log tc: tc_ub_setenv.py v 1 +('CUR WORK PATH: ', '/home/hs/data/Entwicklung/tbot') +('CFGFILE ', 'tbot_dxr2.cfg') +('LOGFILE ', '/home/hs/data/Entwicklung/tbot/log/tbot.log') +(<denx.tbot_lab_api object at 0x7f53ac1808d0>, <tbotlib.tbot object at 0x7f53a45fd410>, True) +(<denx.tbot_lab_api object at 0x7f53ac1808d0>, <tbotlib.tbot object at 0x7f53a45fd410>, True) +read 0: Last login: Fri Jan 22 12:20:12 2016 from 87.97.28.177 +read 0: +read 0: ************************************************************* +read 0: BDI2000 Assignment: (last updated: 2015-11-20 12:30 MET) +read 0: bdi1 => techem bdi2 => cetec_mx25 bdi3 => lpc3250 +read 0: bdi4 => - bdi5 => --Rev.B!-- bdi6 => tqm5200s +read 0: bdi7 => [stefano] bdi8 => smartweb bdi9 => sigmatek-nand +read 0: bdi10 => pcm052 bdi11 => socrates bdi12 => aristainetos +read 0: bdi13 => imx53 bdi14 => ib8315 bdi15 => cairo +read 0: bdi16 => g2c1 bdi17 => lwe090 bdi18 => symphony +read 0: bdi19 => dxr2 bdi20 => ima3-mx6 bdi21 => sama5d3 +read 0: bdi98 => - bdi99 => - bdi0 => - +read 0: Please power off unused systems when you leave! Thanks, wd. +read 0: ************************************************************* +read no ret 0: +pollux:~ hs $ +write 0: export PS1="\u@\h [$(date +%k:%M:%S)] ttbott >" +read 0: export PS1="\u@\h [$(date +%k:%M:%S)] ttbott >" +read 0: hs@pollux [12:21:00] ttbott > +read 1: Last login: Fri Jan 22 12:20:59 2016 from 87.97.28.177 +read 1: +read 1: ************************************************************* +read 1: BDI2000 Assignment: (last updated: 2015-11-20 12:30 MET) +read 1: bdi1 => techem bdi2 => cetec_mx25 bdi3 => lpc3250 +read 1: bdi4 => - bdi5 => --Rev.B!-- bdi6 => tqm5200s +read 1: bdi7 => [stefano] bdi8 => smartweb bdi9 => sigmatek-nand +read 1: bdi10 => pcm052 bdi11 => socrates bdi12 => aristainetos +read 1: bdi13 => imx53 bdi14 => ib8315 bdi15 => cairo +read 1: bdi16 => g2c1 bdi17 => lwe090 bdi18 => symphony +read 1: bdi19 => dxr2 bdi20 => ima3-mx6 bdi21 => sama5d3 +read 1: bdi98 => - bdi99 => - bdi0 => - +read 1: Please power off unused systems when you leave! Thanks, wd. +read 1: ************************************************************* +read no ret 1: +pollux:~ hs $ +write 1: export PS1="\u@\h [$(date +%k:%M:%S)] ttbott >" +read 1: export PS1="\u@\h [$(date +%k:%M:%S)] ttbott >" +read 1: hs@pollux [12:21:02] ttbott > +write 0: remote_power dxr2 -l +read 0: hs@pollux [12:21:00] ttbott >remote_power dxr2 -l +read 0: dxr2 ON +read 0: hs@pollux [12:21:02] ttbott > +read no ret 1: +hs@pollux [12:21:02] ttbott > +write 1: ssh hs@lena +read 1: ssh hs@lena +read no ret 1: +hs@lena's password: +read 1: +read 1: Last login: Fri Jan 22 12:20:17 2016 from 192.168.1.1 +read 1: +read no ret 1: +[hs@lena ~]$ +write 1: export PS1="\u@\h [$(date +%k:%M:%S)] ttbott >" +read 1: export PS1="\u@\h [$(date +%k:%M:%S)] ttbott >" +read 1: hs@lena [12:21:07] ttbott > +read no ret 1: +hs@lena [12:21:07] ttbott > +write 1: stty cols 200 +read 1: stty cols 200 +read 1: hs@lena [12:21:08] ttbott > +write 1: export TERM=vt200 +read 1: hs@lena [12:21:08] ttbott >export TERM=vt200 +read 1: hs@lena [12:21:08] ttbott > +write 1: echo $COLUMNS +read 1: hs@lena [12:21:08] ttbott >echo $COLUMNS +read 1: 200 +read 1: hs@lena [12:21:08] ttbott > +write 1: kermit +read 1: hs@lena [12:21:08] ttbott >kermit +read 1: C-Kermit 8.0.211, 10 Apr 2004, for Linux +read 1: +read 1: Copyright (C) 1985, 2004, +read 1: Trustees of Columbia University in the City of New York. +read 1: Type ? or HELP for help. +read 1: +read 1: (/home/hs/) C-Kermit> +read 1: +read no ret 1: (/home/hs/) C-Kermit> +write 1: set line /dev/ttyUSB0 +read 1: set line /dev/ttyUSB0 +read 1: +read 1: (/home/hs/) C-Kermit> +write 1: set speed 115200 +read 1: +read 1: (/home/hs/) C-Kermit>set speed 115200 +read 1: /dev/ttyUSB0, 115200 bps +read 1: +read 1: (/home/hs/) C-Kermit> +write 1: set flow-control none +read 1: +read 1: (/home/hs/) C-Kermit>set flow-control none +read 1: +read 1: (/home/hs/) C-Kermit> +write 1: set carrier-watch off +read 1: +read 1: (/home/hs/) C-Kermit>set carrier-watch off +read 1: +read 1: (/home/hs/) C-Kermit> +write 1: connect +read 1: +read 1: (/home/hs/) C-Kermit>connect +read 1: Connecting to /dev/ttyUSB0, speed 115200 +read 1: +read 1: Escape character: Ctrl-\ (ASCII 28, FS): enabled +read 1: +read 1: Type the escape character followed by C to get back, +read 1: +read 1: or followed by ? to see other options. +read 1: +read 1: ---------------------------------------------------- +read no ret 1: + +write no ret 1: + +read 1: +read 1: Heiko=Schocher +read no ret 1: +U-Boot# +write no ret 1: +write no ret 1: + +read 1: <INTERRUPT> +read 1: U-Boot# +write 1: setenv Heiko Schocher +read 1: U-Boot# setenv Heiko Schocher +read no ret 1: +U-Boot# +write 1: printenv Heiko +read 1: printenv Heiko +read 1: Heiko=Schocher +read no ret 1: +U-Boot# +End of TBOT: success +hs@localhost:tbot [master] $