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pwm1 fix

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unknown
2016-08-18 23:58:52 +03:00
parent faf062af8b
commit 08be30275d
5 changed files with 33 additions and 50 deletions
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42
gpio/gpio.c
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@@ -839,46 +839,8 @@ static void doPadDrive (int argc, char *argv [])
static void doUsbP (int argc, char *argv [])
{
int model, rev, mem, maker, overVolted ;
if (argc != 3)
{
fprintf (stderr, "Usage: %s usbp high|low\n", argv [0]) ;
exit (1) ;
}
// Make sure we're on a B+
piBoardId (&model, &rev, &mem, &maker, &overVolted) ;
if (model != PI_MODEL_BP)
{
fprintf (stderr, "USB power contol is applicable to B+ boards only.\n") ;
exit (1) ;
}
// Need to force BCM_GPIO mode:
wiringPiSetupGpio () ;
if ((strcasecmp (argv [2], "high") == 0) || (strcasecmp (argv [2], "hi") == 0))
{
digitalWrite (PI_USB_POWER_CONTROL, 1) ;
pinMode (PI_USB_POWER_CONTROL, OUTPUT) ;
printf ("Switched to HIGH current USB (1.2A)\n") ;
return ;
}
if ((strcasecmp (argv [2], "low") == 0) || (strcasecmp (argv [2], "lo") == 0))
{
digitalWrite (PI_USB_POWER_CONTROL, 0) ;
pinMode (PI_USB_POWER_CONTROL, OUTPUT) ;
printf ("Switched to LOW current USB (600mA)\n") ;
return ;
}
fprintf (stderr, "Usage: %s usbp high|low\n", argv [0]) ;
exit (1) ;
fprintf (stderr, "USB power is not supported\n", argv [0]) ;
return;
}