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ubbctl/ubbctl.c: add actions "on" and "off" to control nPWR

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This commit is contained in:
Werner Almesberger 2013-01-06 11:38:01 -03:00
parent 246a8a0a5f
commit fd5707ee72
1 changed files with 7 additions and 1 deletions
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8
ubbctl/ubbctl.c
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@ -69,6 +69,11 @@ static int setup_pin(const char *s, int doit)
const struct pin *p; const struct pin *p;
const char *eq; const char *eq;
if (!strcasecmp(s, "on"))
s = "nPWR=0";
else if (!strcasecmp(s, "off"))
s = "nPWR=1";
eq = strchr(s, '='); eq = strchr(s, '=');
if (!eq) if (!eq)
return 0; return 0;
@ -117,9 +122,10 @@ static void usage(const char *name)
{ {
fprintf(stderr, fprintf(stderr,
"usage: %s\n" "usage: %s\n"
" %s name=value ...\n\n" " %s name=value|action ...\n\n"
"Names: nPWR, CMD, CLK, DAT0, DAT1, DAT2, DAT3\n" "Names: nPWR, CMD, CLK, DAT0, DAT1, DAT2, DAT3\n"
"Values: F, 0, 1, Z, R\n" "Values: F, 0, 1, Z, R\n"
"Actions: ON, OFF\n"
, name, name); , name, name);
exit(1); exit(1);
} }