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################################################################################
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# AMiRo-BLT is an bootloader and toolchain designed for the Autonomous Mini    #
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# Robot (AMiRo) platform.                                                      #
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# Copyright (C) 2016..2017  Thomas Schöpping et al.                            #
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#                                                                              #
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# This program is free software: you can redistribute it and/or modify         #
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# it under the terms of the GNU General Public License as published by         #
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# the Free Software Foundation, either version 3 of the License, or            #
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# (at your option) any later version.                                          #
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#                                                                              #
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# This program is distributed in the hope that it will be useful,              #
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# but WITHOUT ANY WARRANTY; without even the implied warranty of               #
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the                #
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# GNU General Public License for more details.                                 #
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#                                                                              #
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# You should have received a copy of the GNU General Public License            #
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# along with this program.  If not, see <http://www.gnu.org/licenses/>.        #
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#                                                                              #
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# This research/work was supported by the Cluster of Excellence Cognitive      #
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# Interaction Technology 'CITEC' (EXC 277) at Bielefeld University, which is   #
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# funded by the German Research Foundation (DFG).                              #
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################################################################################
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#!/bin/bash
25

    
26
################################################################################
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# GENERIC FUNCTIONS                                                            #
28
################################################################################
29

    
30
### print an error message #####################################################
31
# Prints a error <message> to standard output.
32
#If variable 'LOG_FILE' is specified, the message is also appended to the given file.
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#
34
# usage:      printError <message>
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# arguments:  <message>
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#                 Message string to print.
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# return:     n/a
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#
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function printError {
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  local string="ERROR:   $1"
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  # if a log file is specified
42
  if [ -n "$LOG_FILE" ]; then
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    printf "[$(date '+%Y-%m-%d %H:%M:%S')] $string" >> $LOG_FILE
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  fi
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  printf "$(tput setaf 1)>>> $string$(tput sgr 0)" 1>&2
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}
47

    
48
### print a warning message ####################################################
49
# Prints a warning <message> to standard output.
50
#If variable 'LOG_FILE' is specified, the message is also appended to the given file.
51
#
52
# usage:      printMessage <message>
53
# arguments:  <message>
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#                 Message string to print.
55
# return:     n/a
56
#
57
function printWarning {
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  local string="WARNING: $1"
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  # if a log file is specified
60
  if [ -n "$LOG_FILE" ]; then
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    printf "[$(date '+%Y-%m-%d %H:%M:%S')] $string" >> $LOG_FILE
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  fi
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  printf "$(tput setaf 3)>>> $string$(tput sgr 0)"
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}
65

    
66
### print an information message ###############################################
67
# Prints an information <message> to standard output.
68
#If variable 'LOG_FILE' is specified, the message is also appended to the given file.
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#
70
# usage:      printInfo <message>
71
# arguments:  <message>
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#                 Message string to print.
73
# return:     n/a
74
#
75
function printInfo {
76
  local string="INFO:    $1"
77
  # if a log file is specified
78
  if [ -n "$LOG_FILE" ]; then
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    printf "[$(date '+%Y-%m-%d %H:%M:%S')] $string" >> $LOG_FILE
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  fi
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  printf "$(tput setaf 2)>>> $string$(tput sgr 0)"
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}
83

    
84
### print a message to file ####################################################
85
# Appends a <message> to a log file, specified by the variable 'LOG_FILE'.
86
#
87
# usage       printLog <message>
88
# arguments:  <message>
89
#                 Message string to print.
90
# return:     n/a
91
#
92
function printLog {
93
  local string="LOG:     $1"
94
  # if a log file is specified
95
  if [ -n "$LOG_FILE" ]; then
96
    printf "[$(date '+%Y-%m-%d %H:%M:%S')] $string" >> $LOG_FILE
97
  fi
98
}
99

    
100
### exit the script normally ###################################################
101
# Prints a delimiter and exits the script normally (returns 0).
102
#
103
# usage:      quitScript
104
# arguments:  n/a
105
# return:     0
106
#                 No error or warning occurred.
107
#
108
function quitScript {
109
  printInfo "exiting $(realpath ${BASH_SOURCE[0]})\n"
110
  printf "\n"
111
  printf "######################################################################\n"
112
  exit 0
113
}
114

    
115
### read a user input ##########################################################
116
# Reads a single character user input from a set up <options> and stores it in
117
# a given <return> variable.
118
#
119
# usage:      readUserInput <options> <return>
120
# arguments:  <options>
121
#                 String definiing the set of valid characters.
122
#                 If the string is empty, the user can input any character.
123
#             <return>
124
#                 Variable to store the selected character to.
125
# return:     n/a
126
#
127
function readUserInput {
128
  local input=""
129
  # read user input
130
  while [ -z $input ] || ( [ -n "$1" ] && [[ ! $input =~ ^[$1]$ ]] ); do
131
    read -p "your selection: " -n 1 -e input
132
    if [ -z $input ] || ( [ -n "$1" ] && [[ ! $input =~ ^[$1]$ ]] ); then
133
      printWarning "[$input] is no valid action\n"
134
    fi
135
  done
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  printLog "[$input] has been selected\n"
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  eval $2="$input"
138
}
139

    
140
### check whether argument is an option ########################################
141
# Checks a <string> whether it is an option.
142
# Options are defined to either start with '--' followed by any string, or
143
# to start with a single '-' followed by a single character, or
144
# to start with a single '-' followed by a single character, a '=' and any string.
145
# Examples: '--option', '--option=arg', '-o', '-o=arg', '--'
146
#
147
# usage:      parseIsOption <string>
148
# arguments:  <string>
149
#                 A string to check whether it is an option.
150
# return:     0
151
#                 <string> is an option.
152
#             -1
153
#                 <string> is not an option.
154
#
155
function parseIsOption {
156
  if [[ "$1" =~ ^-(.$|.=.*) ]] || [[ "$1" =~ ^--.* ]]; then
157
    return 0
158
  else
159
    return -1
160
  fi
161
}
162

    
163
### set the log file ###########################################################
164
# Sets a specified <infile> as log file and checks whether it already exists.
165
# If so, the log may either be appended to the file, its content can be cleared,
166
# or no log is generated at all.
167
# The resulting path is stored in <outvar>.
168
#
169
# usage:      setLogFile [--option=<option>] [--quiet] <infile> <outvar>
170
# arguments:  --option=<option>
171
#                 Select what to do if <file> already exists.
172
#                 Possible values are 'a', 'r' and 'n'.
173
#                 - a: append
174
#                 - r: delete and restart
175
#                 - n: no log
176
#                 If no option is secified but <file> exists, an interactive selection is provided.
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#             --quiet
178
#                 Suppress all messages.
179
#             <infile>
180
#                 Path of the wanted log file.
181
#             <outvar>
182
#                 Variable to store the path of the log file to.
183
# return:     0
184
#                 No error or warning occurred.
185
#             -1
186
#                 Error: invalid input
187
#
188
function setLogFile {
189
  local filepath=""
190
  local option=""
191
  local quiet=false
192

    
193
  # parse arguments
194
  local otherargs=()
195
  while [ $# -gt 0 ]; do
196
    if ( parseIsOption $1 ); then
197
      case "$1" in
198
        -o=*|--option=*)
199
          option=${1#*=}; shift 1;;
200
        -o*|--option*)
201
          option="$2"; shift 2;;
202
        -q|--quiet)
203
          quiet=true; shift 1;;
204
        *)
205
          printError "invalid option: $1\n"; shift 1;;
206
      esac
207
    else
208
      otherargs+=("$1")
209
      shift 1
210
    fi
211
  done
212
  filepath=$(realpath ${otherargs[0]})
213

    
214
  # if file already exists
215
  if [ -e $filepath ]; then
216
    # if no option was specified, ask what to do
217
    if [ -z "$option" ]; then
218
      printWarning "log file $filepath already esists\n"
219
      local userinput=""
220
      printf "Select what to do:\n"
221
      printf "  [A] - append log\n"
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      printf "  [R] - restart log (delete existing file)\n"
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      printf "  [N] - no log\n"
224
      readUserInput "AaRrNn" userinput
225
      option=${userinput,,}
226
    fi
227
    # evaluate option
228
    case "$option" in
229
      a)
230
        if [ $quiet = false ]; then
231
          printInfo "appending log to $filepath\n"
232
        fi
233
        printf "\n" >> $filepath
234
        printf "######################################################################\n" >> $filepath
235
        printf "\n" >> $filepath
236
        ;;
237
      r)
238
        echo -n "" > $filepath
239
        if [ $quiet = false ]; then
240
          printInfo "content of $filepath wiped\n"
241
        fi
242
        ;;
243
      n)
244
        if [ $quiet = false ]; then
245
          printInfo "no log file will be generated\n"
246
        fi
247
        filepath=""
248
        ;;
249
      *) # sanity check (return error)
250
        printError "unexpected argument: $option\n"; return -1;;
251
    esac
252
  else
253
    if [ $quiet = false ]; then
254
      printInfo "log file set to $filepath\n"
255
    fi
256
  fi
257

    
258
  eval ${otherargs[1]}="$filepath"
259

    
260
  return 0
261
}
262

    
263
################################################################################
264
# SPECIFIC FUNCTIONS                                                           #
265
################################################################################
266

    
267
### print welcome text #########################################################
268
# Prints a welcome message to standard out.
269
#
270
# usage:      printWelcomeText
271
# arguments:  n/a
272
# return:     n/a
273
#
274
function printWelcomeText {
275
  printf "######################################################################\n"
276
  printf "#                                                                    #\n"
277
  printf "#                  Welcome to the AMiRo-BLT setup!                   #\n"
278
  printf "#                                                                    #\n"
279
  printf "######################################################################\n"
280
  printf "#                                                                    #\n"
281
  printf "# Copyright (c) 2016..2017  Thomas Schöpping                         #\n"
282
  printf "#                                                                    #\n"
283
  printf "# This is free software; see the source for copying conditions.      #\n"
284
  printf "# There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR  #\n"
285
  printf "# A PARTICULAR PURPOSE. The development of this software was         #\n"
286
  printf "# supported by the Excellence Cluster EXC 227 Cognitive Interaction  #\n"
287
  printf "# Technology. The Excellence Cluster EXC 227 is a grant of the       #\n"
288
  printf "# Deutsche Forschungsgemeinschaft (DFG) in the context of the German #\n"
289
  printf "# Excellence Initiative.                                             #\n"
290
  printf "#                                                                    #\n"
291
  printf "######################################################################\n"
292
}
293

    
294
### print help #################################################################
295
# Prints a help text to standard out.
296
#
297
# usage:      printHelp
298
# arguments:  n/a
299
# return:     n/a
300
#
301
function printHelp {
302
  printInfo "printing help text\n"
303
  printf "usage:    $(basename ${BASH_SOURCE[0]}) [-h|--help] [-f|--stm32flash] [-s|--SerialBoot] [-e|--IDE] [-c|--compiler] [-q|--quit] [--log=<file>]\n"
304
  printf "\n"
305
  printf "options:  -h, --help\n"
306
  printf "              Print this help text.\n"
307
  printf "          -f, --stm32flash\n"
308
  printf "              Run st,32flash tool setup.\n"
309
  printf "          -s, --SerialBoot\n"
310
  printf "              Run SerialBoot tool setup.\n"
311
  printf "          -e, --IDE\n"
312
  printf "              Enter IDE setup.\n"
313
  printf "          -c, --compiler\n"
314
  printf "              Enter compiler setup.\n"
315
  printf "          -q, --quit\n"
316
  printf "              Quit the script.\n"
317
  printf "          --log=<file>\n"
318
  printf "              Specify a log file.\n"
319
}
320

    
321
### stm32flash tool setup ######################################################
322
# Fetches the source code for the stm32flash tool and builds the binary.
323
# If the tool was already initialized, it can be wiped and rebuilt.
324
#
325
# usage:      stm32flashSetup
326
# arguments:  n/a
327
# return:     0
328
#                 No error or warning occurred.
329
#             1
330
#                 Warning: Setup aborted by user.
331
#             -1
332
#                 Error: Unexpected user input.
333
#
334
function stm32flashSetup {
335
  local stm32flashdir=$(dirname $(realpath ${BASH_SOURCE[0]}))/Host/Source/stm32flash/
336
  local userdir=$(pwd)
337

    
338
  # if the stm32flash folder is not empty
339
  if [ ! -z "$(ls -A $stm32flashdir)" ]; then
340
    printWarning "$stm32flashdir is not empty. Delete and reinitialize? [y/n]\n"
341
    local userinput=""
342
    readUserInput "YyNn" userinput
343
    case "$userinput" in
344
      Y|y)
345
        printInfo "wiping ${stm32flashdir}...\n"
346
        # checkout base commit and delete all local branches
347
        git submodule update --force --checkout $stm32flashdir | tee -a $LOG_FILE
348
        cd $stm32flashdir
349
        local git_branches=($(git for-each-ref --format="%(refname)"))
350
        for branch in $git_branches ; do
351
          if [[ $branch = *"heads/"* ]]; then
352
            git branch -D ${branch##*/} | tee -a $LOG_FILE
353
          fi
354
        done
355
        cd $userdir
356
        # deinit stm32flash submodule and delete any remaining files
357
        git submodule deinit -f $stm32flashdir 2>&1 | tee -a $LOG_FILE
358
        rm -rf $stm32flashdir/*
359
        ;;
360
      N|n)
361
        printWarning "stm32flash setup aborted by user\n"
362
        return 1
363
        ;;
364
      *) # sanity check (return error)
365
        printError "unexpected input: $userinput\n";
366
        return -1
367
        ;;
368
    esac
369
  fi
370

    
371
  # initialize submodule
372
  printInfo "initializing stm32flash submodule...\n"
373
  git submodule update --init $stm32flashdir 2>&1 | tee -a $LOG_FILE
374
  while [ ${PIPESTATUS[0]} -ne 0 ]; do
375
    printWarning "initialitaion failed. Retry? [y/n]\n"
376
    local userinput=""
377
    readUserInput "YyNn" userinput
378
    case "$userinput" in
379
      Y|y)
380
        git submodule update --init $stm32flashdir 2>&1 | tee -a $LOG_FILE;;
381
      N|n)
382
        printWarning "stm32flash initialization aborted by user\n"
383
        return 1
384
        ;;
385
      *) # sanity check (return error)
386
        printError "unexpected input: $userinput\n"; return -1;;
387
    esac
388
  done
389

    
390
  # build the stm32flash tool
391
  printInfo "compiling stm32flash\n"
392
  userdir=${PWD}
393
  cd "$stm32flashdir"
394
  make 2>&1 | tee -a $LOG_FILE
395
  cd "$userdir"
396

    
397
  return 0
398
}
399

    
400
### SerialBoot tool setup ######################################################
401
# Builds the SerialBoot tool.
402
# If the tool was built before, it can be deleted and rebuilt.
403
#
404
# usage:      serialBootSetup
405
# arguments:  n/a
406
# return:     0
407
#                 No errort or warning occurred.
408
#             1
409
#                 Warning: Setup aborted by user.
410
#             -1
411
#                 Error: Unexpected user input.
412
#
413
function serialBootSetup {
414
  local serialbootdir=$(dirname $(realpath ${BASH_SOURCE[0]}))/Host/Source/SerialBoot/
415
  local userdir=$(pwd)
416

    
417
  # if a build folder already exists
418
  if [ -d "${serialbootdir}/build/" ]; then
419
    printWarning "SerialBoot has been built before. Delete and rebuild? [y/n]\n"
420
    local userinput=""
421
    readUserInput "YyNn" userinput
422
    case "$userinput" in
423
      Y|y)
424
        printInfo "deleting ${serialbootdir}build/...\n"
425
        rm -rf "${serialbootdir}build/"
426
        ;;
427
      N|n)
428
        printWarning "SerialBoot setup aborted by user\n"
429
        return 1
430
        ;;
431
      *) # sanity check (return error)
432
        printError "unexpected input: $userinput\n";
433
        return -1
434
        ;;
435
    esac
436
  fi
437

    
438
  # build SerialBoot
439
  printInfo "compiling SerialBoot...\n"
440
  mkdir ${serialbootdir}build/
441
  cd ${serialbootdir}build/
442
  cmake .. 2>&1 | tee -a $LOG_FILE
443
  make 2>&1 | tee -a $LOG_FILE
444
  cd $userdir
445

    
446
  return 0
447
}
448

    
449
### IDE setup ##################################################################
450
# Enter the IDE setup.
451
#
452
# usage:      ideSetup
453
# arguments:  n/a
454
# return:     n/a
455
#
456
function ideSetup {
457
  printInfo "entering IDE setup\n"
458
  printf "\n"
459
  if [ -z "$LOG_FILE" ]; then
460
    $(dirname $(realpath ${BASH_SOURCE[0]}))/ide/idesetup.sh --noinfo
461
  else
462
    $(dirname $(realpath ${BASH_SOURCE[0]}))/ide/idesetup.sh --LOG="$LOG_FILE" --noinfo
463
  fi
464
}
465

    
466
### compiler setup #############################################################
467
# Enter the compiler setup.
468
#
469
# usage:      compilerSetup
470
# arguments:  n/a
471
# return:     n/a
472
#
473
function compilerSetup {
474
  printInfo "entering IDE setup\n"
475
  printf "\n"
476
  if [ -z "$LOG_FILE" ]; then
477
    $(dirname $(realpath ${BASH_SOURCE[0]}))/compiler/compilersetup.sh --noinfo
478
  else
479
    $(dirname $(realpath ${BASH_SOURCE[0]}))/compiler/compilersetup.sh --LOG="$LOG_FILE" --noinfo
480
  fi
481
}
482

    
483
### main function of this script ###############################################
484
# A setup to initialize dependencies, setup IDE projects and configure the
485
# compiler setup.
486
#
487
# usage:      see function printHelp
488
# arguments:  see function printHelp
489
# return:     0
490
#                 No error or warning occurred.
491
#
492
function main {
493
  local userdir=$(pwd)
494
  cd $(realpath $(dirname ${BASH_SOURCE[0]}))
495

    
496
  # print welcome/info text if not suppressed
497
  if [[ $@ != *"--noinfo"* ]]; then
498
    printWelcomeText
499
  else
500
    printf "######################################################################\n"
501
  fi
502
  printf "\n"
503

    
504
  # if --help or -h was specified, print the help text and exit
505
  if [[ $@ == *"--help"* || $@ == *"-h"* ]]; then
506
    printHelp
507
    printf "\n"
508
    cd $userdir
509
    quitScript
510
  fi
511

    
512
  # set log file if specified
513
  if [[ $@ == *"--log"* ]] || [[ $@ == *"--LOG"* ]]; then
514
    # get the parameter (file name)
515
    local cmdidx=1
516
    while [[ ! "${!cmdidx}" = "--log"* ]] && [[ ! "${!cmdidx}" = "--LOG"* ]]; do
517
      cmdidx=$[cmdidx + 1]
518
    done
519
    local cmd="${!cmdidx}"
520
    local logfile=""
521
    if [[ "$cmd" = "--log="* ]] || [[ "$cmd" = "--LOG="* ]]; then
522
      logfile=${cmd#*=}
523
    else
524
      local filenameidx=$((cmdidx + 1))
525
      logfile="${!filenameidx}"
526
    fi
527
    # optionally force silent appending
528
    if [[ "$cmd" = "--LOG"* ]]; then
529
      setLogFile --option=a --quiet "$logfile" LOG_FILE
530
    else
531
      setLogFile "$logfile" LOG_FILE
532
      printf "\n"
533
    fi
534
  fi
535
  # log script name
536
  printLog "this is $(realpath ${BASH_SOURCE[0]})\n"
537

    
538
  # parse arguments
539
  local otherargs=()
540
  while [ $# -gt 0 ]; do
541
    if ( parseIsOption $1 ); then
542
      case "$1" in
543
        -h|--help) # already handled; ignore
544
          shift 1;;
545
        -f|--stm32flash)
546
          stm32flashSetup; printf "\n"; shift 1;;
547
        -s|--SerialBoot)
548
          serialBootSetup; printf "\n"; shift 1;;
549
        -e|--IDE)
550
          ideSetup; printf "\n"; shift 1;;
551
        -c|--compiler)
552
          compilerSetup; printf "\n"; shift 1;;
553
        -q|--quit)
554
          cd $userdir; quitScript; shift 1;;
555
        --log=*|--LOG=*) # already handled; ignore
556
          shift 1;;
557
        --log|--LOG) # already handled; ignore
558
          shift 2;;
559
        --noinfo) # already handled; ignore
560
          shift 1;;
561
        *)
562
          printError "invalid option: $1\n"; shift 1;;
563
      esac
564
    else
565
      otherargs+=("$1")
566
      shift 1
567
    fi
568
  done
569

    
570
  # interactive menu
571
  while ( true ); do
572
    # main menu info prompt and selection
573
    printInfo "AMiRo-BLT setup main menu\n"
574
    printf "Please select one of the following actions:\n"
575
    printf "  [F] - get and build stm32flash tool\n"
576
    printf "  [S] - build SerialBoot tool\n"
577
    printf "  [E] - IDE project setup\n"
578
    printf "  [C] - enter compiler setup\n"
579
    printf "  [Q] - quit this setup\n"
580
    local userinput=""
581
    readUserInput "FfSsEeCcQq" userinput
582
    printf "\n"
583

    
584
    # evaluate user selection
585
    case "$userinput" in
586
      F|f)
587
        stm32flashSetup; printf "\n";;
588
      S|s)
589
        serialBootSetup; printf "\n";;
590
      E|e)
591
        ideSetup; printf "\n";;
592
      C|c)
593
        compilerSetup; printf "\n";;
594
      Q|q)
595
        cd $userdir; quitScript;;
596
      *) # sanity check (exit with error)
597
        printError "unexpected argument: $userinput\n";;
598
    esac
599
  done
600

    
601
  cd $USER_DIR
602
  exit 0
603
}
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605
################################################################################
606
# SCRIPT ENTRY POINT                                                           #
607
################################################################################
608

    
609
main "$@"
610