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lpc111x-isp/lpc111x.c: new option -r to reset the target and let it run

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This commit is contained in:
Werner Almesberger 2012-12-31 01:54:36 -03:00
parent 66d091317a
commit c7a7d358bb
1 changed files with 42 additions and 3 deletions
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45
lpc111x-isp/lpc111x.c
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@ -563,17 +563,45 @@ static void start_isp(int power)
}
/* ----- Reset and run target ---------------------------------------------- */
static void run_target(int power)
{
if (ubb_open(0) < 0) {
perror("ubb_open");
exit(1);
}
if (power)
ubb_power(1);
SET(TGT_nRESET);
OUT(TGT_nRESET);
IN(TGT_nISP);
CLR(TGT_nRESET);
usleep(10); /* DS Table 9 pg 29 says min 50 ns */
SET(TGT_nRESET);
ubb_close(UBB_nPWR | TGT_nRESET | TGT_nISP);
}
/* ----- Command-line processing ------------------------------------------- */
static void usage(const char *name)
{
fprintf(stderr,
"usage: %s [-n] [-q] [-v ...] [file.bin]\n\n"
"usage: %s [-n] [-q] [-v ...] [file.bin]\n"
" %s [-n] -r\n\n"
" -n don't power the device\n"
" -q suppress basic progress messages\n"
" -r reset the target and let it run\n"
" -v increase verbosity level\n"
, name);
, name, name);
exit(1);
}
@ -582,9 +610,10 @@ int main(int argc, char **argv)
{
FILE *file = NULL;
int power = 1;
int run = 0;
int c;
while ((c = getopt(argc, argv, "nqv")) != EOF)
while ((c = getopt(argc, argv, "nqrv")) != EOF)
switch (c) {
case 'n':
power = 0;
@ -592,6 +621,9 @@ int main(int argc, char **argv)
case 'q':
quiet = 1;
break;
case 'r':
run = 1;
break;
case 'v':
verbose++;
break;
@ -599,6 +631,13 @@ int main(int argc, char **argv)
usage(*argv);
}
if (run) {
if (quiet || verbose || argc != optind)
usage(*argv);
run_target(power);
return 0;
}
switch (argc-optind) {
case 0:
break;