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iceprog: Add option to keep flash powered up 

Signed-off-by: Sylvain Munaut <tnt@246tNt.com>
This commit is contained in:
Sylvain Munaut 2019-12-28 16:51:14 +01:00
parent 0ec00d892a
commit dcda69d9f0
1 changed files with 8 additions and 2 deletions
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10
iceprog/iceprog.c
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@ -448,6 +448,7 @@ static void help(const char *progname)
fprintf(stderr, " (append 'k' to the argument for size in kilobytes,\n");
fprintf(stderr, " or 'M' for size in megabytes)\n");
fprintf(stderr, " -s slow SPI (50 kHz instead of 6 MHz)\n");
fprintf(stderr, " -k keep flash in powered up state (i.e. skip power down command)\n");
fprintf(stderr, " -v verbose output\n");
fprintf(stderr, "\n");
fprintf(stderr, "Mode of operation:\n");
@ -522,6 +523,7 @@ int main(int argc, char **argv)
bool slow_clock = false;
bool disable_protect = false;
bool disable_verify = false;
bool disable_powerdown = false;
const char *filename = NULL;
const char *devstr = NULL;
int ifnum = 0;
@ -539,7 +541,7 @@ int main(int argc, char **argv)
/* Decode command line parameters */
int opt;
char *endptr;
while ((opt = getopt_long(argc, argv, "d:I:rR:e:o:cbnStvspX", long_options, NULL)) != -1) {
while ((opt = getopt_long(argc, argv, "d:I:rR:e:o:cbnStvspXk", long_options, NULL)) != -1) {
switch (opt) {
case 'd': /* device string */
devstr = optarg;
@ -629,6 +631,9 @@ int main(int argc, char **argv)
case 'X': /* disable verification */
disable_verify = true;
break;
case 'k': /* disable power down command */
disable_powerdown = true;
break;
case -2:
help(argv[0]);
return EXIT_SUCCESS;
@ -956,7 +961,8 @@ int main(int argc, char **argv)
// Reset
// ---------------------------------------------------------
flash_power_down();
if (!disable_powerdown)
flash_power_down();
set_cs_creset(1, 1);
usleep(250000);