| #!/usr/bin/env python |
| |
| import gobject |
| import dbus |
| import dbus.service |
| import dbus.mainloop.glib |
| import System |
| |
| DBUS_NAME = 'org.openbmc.managers.Gpios' |
| OBJ_NAME = '/org/openbmc/managers/Gpios' |
| |
| gpio_config = System.BarreleyeGpios() |
| gpio_dev = '/sys/class/gpio' |
| |
| class GpioManager(dbus.service.Object): |
| def __init__(self,bus,name): |
| dbus.service.Object.__init__(self,bus,name) |
| bus = dbus.SessionBus() |
| self.gpio_locks = {} |
| |
| |
| @dbus.service.method(DBUS_NAME, |
| in_signature='s', out_signature='sis') |
| def init(self,name): |
| gpio_path = '' |
| if (gpio_config.has_key(name) == False): |
| # TODO: Error handling |
| print "ERROR: "+name+" not found in GPIO config table" |
| else: |
| gpio_num = gpio_config[name]['gpio_num'] |
| print "GPIO Lookup: "+name+" = "+str(gpio_num) |
| |
| return [gpio_dev, gpio_num, gpio_config[name]['direction']] |
| |
| @dbus.service.method(DBUS_NAME, |
| in_signature='s', out_signature='') |
| def open(self,name): |
| gpio_num = gpio_config[name]['gpio_num'] |
| self.gpio_locks[gpio_num] = 1 |
| |
| @dbus.service.method(DBUS_NAME, |
| in_signature='s', out_signature='') |
| def close(self,name): |
| # unexport? |
| gpio_num = gpio_config[name]['gpio_num'] |
| self.gpio_locks[gpio_num] = 0 |
| |
| |
| ## Signal handler |
| |
| |
| if __name__ == '__main__': |
| dbus.mainloop.glib.DBusGMainLoop(set_as_default=True) |
| |
| bus = dbus.SessionBus() |
| name = dbus.service.BusName(DBUS_NAME, bus) |
| obj = GpioManager(bus, OBJ_NAME) |
| mainloop = gobject.MainLoop() |
| |
| print "Running GpioManager" |
| mainloop.run() |
| |