"""
        PIX_PATHA_CHN    = "X04SA-ES3-CCD:PATHa"
        PIX_PATHB_CHN    = "X04SA-ES3-CCD:PATHb" 
        PIX_FNAM_FMT_CHN = "X04SA-ES3-CCD:FNAM_FMT"
        PIX_FNUM_CHN     = "X04SA-ES3-CCD:FNUM" 
        PIX_FNAM_CHN     = "X04SA-ES3-CCD:FNAM" 
        PIX_EXPOSE_CHN   = "X04SA-ES3-CCD:EXPOSE" 
        PIX_STATUS_CHN   = "X04SA-ES3-CCD:STATUS" 
        PIX_TRIG_CHN     = "X04SA-ES3-CCD:TRIG" 
"""        

class Pixel(DeviceBase, Readable):
    def __init__(self, name, prefix):
        DeviceBase.__init__(self, name)
        self.prefix = prefix
        self.image_root_folder = "/sls/X04SA/data/x04sa/ES3/pixel/images/"
                
    def get_image_filename(self):
          return self.image_root_folder + caget(self.prefix + ":PATHa") + caget(self.prefix + ":PATHb") + caget(self.prefix + ":FNAM") 

    def get_next_image_filename(self):
          return self.image_root_folder + caget(self.prefix + ":PATHa") + caget(self.prefix + ":PATHb") + ( self.get_image_format() % (self.get_count_id()+1))

    def get_image_format(self):
        return caget(self.prefix + ":FNAM_FMT")
              
    def set_image_format(self, fmt):
        caput(self.prefix + ":FNAM_FMT", fmt)

    def get_count_id(self):
          return caget (self.prefix + ":FNUM", 'i') 
            
    def doUpdate(self):
        pass
        
    def read(self):
        return None

add_device( Pixel("pixel", "X04SA-ES3-CCD"), True)
#mythen.polling = 1000
pixel.update()