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command: Cleaned up in cmd_frequency and added some robustness

This commit is contained in:
dragonmux 2022-07-26 12:25:59 +01:00 committed by Piotr Esden-Tempski
parent 35f071c22e
commit 50457bac13
1 changed files with 11 additions and 7 deletions
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18
src/command.c
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@ -329,23 +329,27 @@ bool cmd_frequency(target *t, int argc, const char **argv)
{
(void)t;
if (argc == 2) {
char *p;
uint32_t frequency = strtol(argv[1], &p, 10);
switch (*p) {
char *multiplier = NULL;
uint32_t frequency = strtoul(argv[1], &multiplier, 10);
if (!multiplier) {
gdb_outf("Frequency must be an integral value possibly followed by 'k' or 'M'");
return false;
}
switch (*multiplier) {
case 'k':
frequency *= 1000;
frequency *= 1000U;
break;
case 'M':
frequency *= 1000 * 1000;
frequency *= 1000U * 1000U;
break;
}
platform_max_frequency_set(frequency);
}
uint32_t freq = platform_max_frequency_get();
const uint32_t freq = platform_max_frequency_get();
if (freq == FREQ_FIXED)
gdb_outf("SWJ freq fixed\n");
else
gdb_outf("Max SWJ freq %08" PRIx32 "\n", freq);
gdb_outf("Current SWJ freq %" PRIu32 "Hz\n", freq);
return true;
}