"""All GPIO-related drivers"""
import attr
from ..factory import target_factory
from ..protocol import DigitalOutputProtocol
from ..resource.remote import NetworkSysfsGPIO
from ..step import step
from .common import Driver
from ..util.agentwrapper import AgentWrapper
[docs]@target_factory.reg_driver
@attr.s(eq=False)
class GpioDigitalOutputDriver(Driver, DigitalOutputProtocol):
bindings = {
"gpio": {"SysfsGPIO", "NetworkSysfsGPIO"},
}
[docs] def __attrs_post_init__(self):
super().__attrs_post_init__()
self.wrapper = None
[docs] def on_activate(self):
if isinstance(self.gpio, NetworkSysfsGPIO):
host = self.gpio.host
else:
host = None
self.wrapper = AgentWrapper(host)
self.proxy = self.wrapper.load('sysfsgpio')
[docs] def on_deactivate(self):
self.wrapper.close()
self.wrapper = None
self.proxy = None
[docs] @Driver.check_active
@step(args=['status'])
def set(self, status):
self.proxy.set(self.gpio.index, status)
[docs] @Driver.check_active
@step(result=True)
def get(self):
return self.proxy.get(self.gpio.index)