#!/usr/bin/python2.5

# Example of using osso.DeviceState.display_state_on
# You need to set the display brightness period to 10 seconds. 
# This example will bright the display after each 9.9 seconds.
interval = 9000 #milliseconds
#and the program will run 50 minutes (ctrl-c to abort when running)
duration = 3 #minutes

#init and calc--------------------------------------------------------------------------------------------
import osso
import gobject

count = 0
maxcount = 60*1000/interval*duration

def blink_cb(device, loop):
    
    global count
    global maxcount
    device.display_state_on()
    count += 1 
    print count,maxcount
    if count == maxcount:
        loop.quit()
        return False
    return True

def main():
    global count
    loop = gobject.MainLoop()
    osso_c = osso.Context("osso_test_device_on", "0.0.1", False)
    device = osso.DeviceState(osso_c)  
    device.display_state_on()
    gobject.timeout_add(interval, blink_cb, device, loop)
    print maxcount
    loop.run()

if __name__ == "__main__":
    main()