From be16028cda8509d971dda42afb8307b95ff243a4 Mon Sep 17 00:00:00 2001 From: Walter Bender Date: Thu, 07 Apr 2011 14:58:27 +0000 Subject: cleaning up after git mv to rearrange plugin compartmentalization --- (limited to 'plugins/lib/rfid/tis2000.py') diff --git a/plugins/lib/rfid/tis2000.py b/plugins/lib/rfid/tis2000.py deleted file mode 100644 index 91d1991..0000000 --- a/plugins/lib/rfid/tis2000.py +++ /dev/null @@ -1,252 +0,0 @@ -from device import RFIDDevice -from serial import Serial -import dbus -from dbus.mainloop.glib import DBusGMainLoop -import gobject -import re -from time import sleep - -HAL_SERVICE = 'org.freedesktop.Hal' -HAL_MGR_PATH = '/org/freedesktop/Hal/Manager' -HAL_MGR_IFACE = 'org.freedesktop.Hal.Manager' -HAL_DEV_IFACE = 'org.freedesktop.Hal.Device' -REGEXP_SERUSB = '\/org\/freedesktop\/Hal\/devices\/usb_device['\ - 'a-z,A-Z,0-9,_]*serial_usb_[0-9]' - -STATE_WAITING = 0 -STATE_WAITING2 = 1 -STATE_READING = 2 - -class RFIDReader(RFIDDevice): - """ - TIS-2000 interface. - """ - - def __init__(self): - - RFIDDevice.__init__(self) - self.last_tag = "" - self.ser = Serial() - self.device = '' - self.device_path = '' - self._connected = False - self._state = STATE_WAITING - - loop = DBusGMainLoop() - self.bus = dbus.SystemBus(mainloop=loop) - hmgr_iface = dbus.Interface(self.bus.get_object(HAL_SERVICE, - HAL_MGR_PATH), HAL_MGR_IFACE) - - hmgr_iface.connect_to_signal('DeviceRemoved', self._device_removed_cb) - - def get_present(self): - """ - Checks if TI-S2000 device is present. - Returns True if so, False otherwise. - """ - hmgr_if = dbus.Interface(self.bus.get_object(HAL_SERVICE, HAL_MGR_PATH), - HAL_MGR_IFACE) - tiusb_devices = set(hmgr_if.FindDeviceStringMatch('serial.type', - 'usb')) & set(hmgr_if.FindDeviceStringMatch( - 'info.product', 'TUSB3410 Microcontroller')) - for i in tiusb_devices: - tiusb_if = dbus.Interface(self.bus.get_object(HAL_SERVICE, i), - HAL_DEV_IFACE) - if tiusb_if.PropertyExists('linux.device_file'): - self.device = str(tiusb_if.GetProperty('linux.device_file')) - self.device_path = i - return True - return False - - def do_connect(self): - """ - Connects to the device. - Returns True if successfull, False otherwise. - """ - retval = False - if self.get_present(): - try: - self.ser = Serial(self.device, 9600, timeout=0.1) - self._connected = True - self._escape() - self._clear() - self._format() - gobject.idle_add(self._loop) - retval = True - except: - self._connected = False - return retval - - def do_disconnect(self): - """ - Disconnect from the device. - """ - self.ser.close() - self._connected = False - - def read_tag(self): - """ - Returns the last read value. - """ - return self.last_tag - - def write_tag(self, hexval): - """ - Usage: write_tag(hexval) - - Writes the hexadecimal string "hexval" into the tag. - Returns True if successfull, False otherwise. - """ - #self.ser.flushInput() - reg = re.compile('([^0-9A-F]+)') - if not (hexval.__len__() == 16 and reg.findall(hexval) == []): - return False - self.ser.read(100) - self.ser.write('P') - for i in hexval: - self.ser.write(i) - sleep(1) - resp = self.ser.read(64) - resp = resp.split()[0] - if resp == "P0": - return True - else: - return False - - def _escape(self): - """ - Sends the scape command to the TIS-2000 device. - """ - try: - #self.ser.flushInput() - self.ser.read(100) - self.ser.write('\x1B') - resp = self.ser.read() - if resp == 'E': - return True - else: - return False - except: - return False - - def _format(self): - """ - Sends the format command to the TIS-2000 device. - """ - try: - #self.ser.flushInput() - self.ser.read(100) - self.ser.write('F') - resp = self.ser.read() - if resp == 'F': - return True - else: - return False - except: - return False - - def _clear(self): - """ - Sends the clear command to the TIS-2000 device. - """ - try: - #self.ser.flushInput() - self.ser.read(100) - self.ser.write('C') - resp = self.ser.read() - if resp == 'C': - return True - else: - return False - except: - return False - - def get_version(self): - """ - Sends the version command to the TIS-2000 device and returns - a string with the device version. - """ - #self.ser.flushInput() - self.ser.read(100) - self.ser.write('V') - version = [] - tver = "" - while 1: - resp = self.ser.read() - if resp == '\x0A' or resp == '': - break - if resp != '\n' and resp != '\r': - version.append(resp) - for i in version: - tver = tver + i - if tver != "": - return tver - return "Unknown" - - def _device_removed_cb(self, path): - """ - Called when a device is removed. - Checks if the removed device is itself and emits the "disconnected" - signal if so. - """ - if path == self.device_path: - self.device_path = '' - self.ser.close() - self._connected = False - self.emit("disconnected","TIS-2000") - - def _loop(self): - """ - Threaded loop for reading data sent from the TIS-2000. - """ - if not self._connected: - return False - - if self._state is STATE_WAITING: - data = self.ser.read() - if data in ['W', 'R']: - self._state = STATE_WAITING2 - return True - - elif self._state is STATE_WAITING2: - data = self.ser.read() - if data.isspace(): - self._state = STATE_READING - else: - self._clear() - self._state = STATE_WAITING - return True - - elif self._state is STATE_READING: - data = self.ser.read(16) - if data.__len__() < 16: - self._clear() - self._state = STATE_WAITING - else: - reg = re.compile('([^0-9A-F]+)') - if reg.findall(data) == []: - self.emit("tag-read", data) - self.last_tag = data - self._clear() - self._state = STATE_WAITING - return True - return True - -# Testing -#if __name__ == '__main__': -# def handler(device, idhex): -# """ -# Handler for "tag-read" signal. -# Prints the tag id. -# """ -# print "ID: ", idhex -# -# dev = RFIDReader() -# if dev.get_present(): -# dev.do_connect() -# dev.connect('tag-read', handler) -# else: -# print "Not connected" -# -# mloop = gobject.MainLoop() -# mloop.run() -- cgit v0.9.1