Lines Matching full:low
36 - Output values are writable (high=1, low=0). Some chips also have
48 wakeup events, to wake the system from a low power state.
69 Active-High and Active-Low
72 ("high"), and inactive when it is 0 ("low"). However in practice the signal of a
76 being either active-high ("1" means "active", the default) or active-low ("0"
82 Sometimes shared signals need to use "open drain" (where only the low signal
85 used for TTL. A pullup or pulldown resistor causes the high or low signal level.
87 logic (low=true) perspective this is a "wire-OR".
89 One common example of an open drain signal is a shared active-low IRQ line.
97 **LOW**: ``gpiod_direction_output(gpio, 0)`` ... this drives the signal and
104 high signal and configuring the GPIO as input for low. This open drain/open
107 If you are "driving" the signal high but gpiod_get_value(gpio) reports a low
109 driving the shared signal low. That's not necessarily an error. As one common