diff --git a/xy2-100-E/__init__.py b/xy2-100-E/__init__.py
new file mode 100644
index 0000000..676e1af
--- /dev/null
+++ b/xy2-100-E/__init__.py
@@ -0,0 +1,28 @@
+##
+## This file is part of the libsigrokdecode project.
+##
+## Copyright (C) 2019 Uli Huber
+##
+## This program is free software; you can redistribute it and/or modify
+## it under the terms of the GNU General Public License as published by
+## the Free Software Foundation; either version 2 of the License, or
+## (at your option) any later version.
+##
+## This program is distributed in the hope that it will be useful,
+## but WITHOUT ANY WARRANTY; without even the implied warranty of
+## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+## GNU General Public License for more details.
+##
+## You should have received a copy of the GNU General Public License
+## along with this program; if not, see <http://www.gnu.org/licenses/>.
+##
+
+'''
+XY2-100 is a serial bus for connecting galvo systems to controllers
+
+Details:
+
+http://www.newson.be/doc.php?id=XY2-100
+'''
+
+from .pd import Decoder
diff --git a/xy2-100-E/pd.py b/xy2-100-E/pd.py
new file mode 100644
index 0000000..6dacf56
--- /dev/null
+++ b/xy2-100-E/pd.py
@@ -0,0 +1,311 @@
+##
+## This file is part of the libsigrokdecode project.
+##
+## Copyright (C) 2019 Uli Huber
+## Copyright (C) 2020 Soeren Apel
+##
+## This program is free software; you can redistribute it and/or modify
+## it under the terms of the GNU General Public License as published by
+## the Free Software Foundation; either version 2 of the License, or
+## (at your option) any later version.
+##
+## This program is distributed in the hope that it will be useful,
+## but WITHOUT ANY WARRANTY; without even the implied warranty of
+## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+## GNU General Public License for more details.
+##
+## You should have received a copy of the GNU General Public License
+## along with this program; if not, see <http://www.gnu.org/licenses/>.
+##
+
+import sigrokdecode as srd
+
+ann_bit, ann_bit2, ann_bit3, ann_bit4, ann_stat_bit, ann_type, ann_command, ann_parameter, ann_parity, ann_pos, ann_pos2, ann_pos3, ann_pos4,  ann_status, ann_warning = range(15)
+frame_type_none, frame_type_command, frame_type_16bit_pos, frame_type_18bit_pos = range(4)
+
+class Decoder(srd.Decoder):
+    api_version = 3
+    id = 'xy2-100-E'
+    name = 'XY2-100-E'
+    longname = 'XY2-100-E(E) and XY-200(E) galvanometer protocol'
+    desc = 'Serial protocol for galvanometer positioning in laser systems'
+    license = 'gplv2+'
+    inputs = ['logic']
+    outputs = []
+    tags = ['Embedded/industrial']
+
+    # 你要的 options
+    options = (
+        {'id': 'worksize', 'desc': '振镜区域大小', 'default': 60},
+        {'id': 'resolution', 'desc': '振镜分辨率', 'default': 65536},
+        {'id': 'filename', 'desc': '解码输出文件名','default':'d:/xy2-100.csv'},
+    )
+
+    channels = (
+        {'id': 'clk', 'name': 'CLK', 'desc': 'Clock'},
+        {'id': 'sync', 'name': 'SYNC', 'desc': 'Sync'},
+        {'id': 'data', 'name': 'DATA X', 'desc': 'X axis data'},
+        {'id': 'data2', 'name': 'DATA Y', 'desc': 'Y axis data'},
+        {'id': 'data3', 'name': 'DATA X return', 'desc': 'X axis data return'},
+        {'id': 'data4', 'name': 'DATA Y return', 'desc': 'Y axis data return'},
+    )
+    optional_channels = (
+        {'id': 'status', 'name': 'STAT', 'desc': 'X, Y or Z axis status'},
+    )
+
+    annotations = (
+        ('bit', 'Data Bit X'),
+        ('bit2', 'Data Bit Y'),
+        ('bit3', 'Data Bit X Return'),
+        ('bit4', 'Data Bit Y Return'),
+        ('stat_bit', 'Status Bit'),
+        ('type', 'Frame Type'),
+        ('command', 'Command'),
+        ('parameter', 'Parameter'),
+        ('parity', 'Parity'),
+        ('position', 'Position X'),
+        ('position2', 'Position Y'),
+        ('position3', 'Position X Return'),
+        ('position4', 'Position Y Return'),
+        ('status', 'Status'),
+        ('warning', 'Human-readable warnings'),
+    )
+
+    annotation_rows = (
+        ('bits', 'Data Bits X', (ann_bit,)),
+        ('bits2', 'Data Bits Y', (ann_bit2,)),
+        ('bits3', 'Data Bits X Return', (ann_bit3,)),
+        ('bits4', 'Data Bits Y Return', (ann_bit4,)),
+        ('stat_bits', 'Status Bits', (ann_stat_bit,)),
+        ('data', 'Data', (ann_type, ann_command, ann_parameter, ann_parity)),
+        ('positions', 'Positions X', (ann_pos,)),
+        ('positions2', 'Positions Y', (ann_pos2,)),
+        ('positions3', 'Positions X Return', (ann_pos3,)),
+        ('positions4', 'Positions Y Return', (ann_pos4,)),
+        ('statuses', 'Statuses', (ann_status,)),
+        ('warnings', 'Warnings', (ann_warning,)),
+    )
+
+    def __init__(self):
+        self.samplerate = None
+        self.filename = ""
+        self.file = None        
+        self.x=0
+        self.y=0
+        self.x1=0
+        self.y1=0
+        self.reset()
+
+    def reset(self):
+        self.bits = []
+        self.bits2 = []
+        self.bits3 = []
+        self.bits4 = []
+        self.stat_bits = []
+        self.stat_skip_bit = True        
+
+    def metadata(self, key, value):
+        if key == srd.SRD_CONF_SAMPLERATE:
+            self.samplerate = value
+        self.filename = self.options['filename']
+
+    def start(self):
+        self.out_ann = self.register(srd.OUTPUT_ANN)
+        # 读取配置参数
+        self.worksize = self.options['worksize']
+        self.resolution = self.options['resolution']
+        self.half_res = self.resolution / 2
+
+    def put_ann(self, ss, es, ann_class, value):
+        self.put(ss, es, self.out_ann, [ann_class, value])
+
+    # 计算逻辑坐标
+    def calc_logic(self, raw_pos):
+        return (raw_pos - self.half_res) * self.worksize / self.resolution
+
+    def process_bit(self, sync, bit_ss, bit_es, bit_value, bit_value2):
+        # X 轴
+        self.put_ann(bit_ss, bit_es, ann_bit, ['%d' % bit_value])
+        self.bits.append((bit_ss, bit_es, bit_value))
+        # Y 轴
+        self.put_ann(bit_ss, bit_es, ann_bit2, ['%d' % bit_value2])
+        self.bits2.append((bit_ss, bit_es, bit_value2))
+
+        if sync == 0:
+            self.process_frame(self.bits, ann_pos,  0)
+            self.process_frame(self.bits2, ann_pos2,  1)
+            self.process_frame(self.bits3, ann_pos3,  2)
+            self.process_frame(self.bits4, ann_pos4,  3)
+            self.reset()
+    def process_bit2(self, sync, bit_ss, bit_es, bit_value3, bit_value4):
+        self.put_ann(bit_ss, bit_es, ann_bit3, ['%d' % bit_value3])
+        self.bits3.append((bit_ss, bit_es, bit_value3))
+        self.put_ann(bit_ss, bit_es, ann_bit4, ['%d' % bit_value4])
+        self.bits4.append((bit_ss, bit_es, bit_value4))
+
+    def process_frame(self, bits, pos_ann_id, ch):
+        if len(bits) < 20:
+            if bits:
+                self.put_ann(bits[0][0], bits[-1][1], ann_warning, ['Not enough data bits'])
+            return
+
+        parity = 0
+        for ss, es, value in bits[:-1]:
+            parity ^= value
+
+        par_ss, par_es, par_value = bits[19]
+        parity_even = (par_value == parity)
+        parity_odd = not parity_even
+
+        type_1_value = bits[0][2]
+        type_3_value = (bits[0][2] << 2) | (bits[1][2] << 1) | bits[2][2]
+
+        type = frame_type_none
+        parity_status = ['OK'] if parity_even else ['NOK']
+        type_ss = bits[0][0]
+        type_es = bits[2][1]
+
+        if (type_1_value == 1) and (parity_odd == 1):
+            type = frame_type_18bit_pos
+            type_es = bits[0][1]
+        elif (type_3_value == 1):
+            type = frame_type_16bit_pos
+            #if not parity_even:
+             #   self.put_ann(bits[0][0], bits[-1][1], ann_warning, ['Parity error'])
+        elif (type_3_value == 7) and (parity_even == 1):
+            type = frame_type_command
+        else:        
+            type = frame_type_16bit_pos
+            # self.put_ann(bits[0][0], bits[-1][1], ann_warning, ['Unknown frame'])
+            # return
+
+        if type == frame_type_16bit_pos:
+            self.put_ann(type_ss, type_es, ann_type, ['16bit Position'])
+        if type == frame_type_18bit_pos:
+            self.put_ann(type_ss, type_es, ann_type, ['18bit Position'])
+        if type == frame_type_command:
+            self.put_ann(type_ss, type_es, ann_type, ['Command'])
+
+        self.put_ann(par_ss, par_es, ann_parity, parity_status)
+
+        pos = 0
+        if type == frame_type_16bit_pos:
+            count = 15
+            for ss, es, value in bits[3:19]:
+                pos |= value << count
+                count -= 1
+        elif type == frame_type_18bit_pos:
+            count = 17
+            for ss, es, value in bits[3:19]:
+                pos |= value << count
+                count -= 1
+            pos = pos if pos < 131072 else pos - 262144
+        if ch == 0:
+            self.x=pos
+        elif ch == 1:
+            self.y=pos
+        elif ch == 2:
+            if pos>=32768:
+                pos=pos-32768
+            else :            
+                pos=pos+32768
+            self.x1=pos
+        elif ch == 3:
+            if pos>=32768:
+                pos=pos-32768
+            else :            
+                pos=pos+32768
+            self.y1=pos
+                
+            if self.file is not None:
+                self.file.write('%d,%d,%d,%d\n' % (self.x, self.y, self.x1, self.y1))
+
+        # 显示原始位置
+        if type in (frame_type_16bit_pos, frame_type_18bit_pos):
+            self.put_ann(type_es, par_ss, pos_ann_id, ['%d' % pos])        
+            
+        if type == frame_type_command:
+            count = 7
+            cmd = 0
+            cmd_es = 0
+            for ss, es, value in bits[3:11]:
+                cmd |= value << count
+                count -= 1
+                cmd_es = es
+            self.put_ann(type_es, cmd_es, ann_command, ['Cmd 0x%X' % cmd])
+
+            count = 7
+            param = 0
+            for ss, es, value in bits[11:19]:
+                param |= value << count
+                count -= 1
+            self.put_ann(cmd_es, par_ss, ann_parameter, ['Param 0x%X' % param])
+
+    def process_stat_bit(self, sync, bit_ss, bit_es, bit_value):
+        if self.stat_skip_bit:
+            self.stat_skip_bit = False
+            return
+
+        self.put_ann(bit_ss, bit_es, ann_stat_bit, ['%d' % bit_value])
+        self.stat_bits.append((bit_ss, bit_es, bit_value))
+
+        if (sync == 0) and (len(self.stat_bits) == 19):
+            stat_ss = self.stat_bits[0][0]
+            stat_es = self.stat_bits[18][1]
+            status = 0
+            count = 18
+            for ss, es, value in self.stat_bits:
+                status |= value << count
+                count -= 1
+            self.put_ann(stat_ss, stat_es, ann_status, ['Status 0x%X' % status])
+
+    def decode(self):
+        try:
+            self.decode_impl()
+        finally:
+            if self.file is not None:
+                self.file.close()
+                self.file = None
+
+    def decode_impl(self):
+        if self.filename != "":
+            try:
+                self.file = open(self.filename, 'w')
+                self.file.write('x,y,x1,y1\n')
+            except OSError as e:
+                print('xy2-100-E: cannot open %s: %s' % (self.filename, e))
+                self.file = None
+        bit_ss = None
+        bit2_ss = None
+        bit_value = 0
+        bit_value2 = 0
+        stat_ss = None
+        stat_value = 0
+        sync_value = 0
+        has_stat = self.has_channel(6)
+
+        while True:
+            clk, sync, data, data2, data3, data4, stat = self.wait({0: 'e'})
+
+            if clk == 1:# rising edge                
+                bit_value3 = data3
+                bit_value4 = data4
+                stat_value = stat
+                bit_es = self.samplenum
+                if bit_ss is not None:
+                    self.process_bit(sync_value, bit_ss, bit_es, bit_value, bit_value2)
+                bit_ss = self.samplenum
+            else:# falling edge
+                bit_value = data
+                bit_value2 = data2
+                sync_value = sync
+
+                bit2_es = self.samplenum
+                if bit2_ss is not None:
+                    self.process_bit2(sync_value, bit2_ss, bit2_es, bit_value3, bit_value4)
+                bit2_ss = self.samplenum
+
+                if stat_ss is not None and has_stat:
+                    stat_es = self.samplenum
+                    self.process_stat_bit(sync_value, stat_ss, stat_es, stat_value)
+                stat_ss = self.samplenum
\ No newline at end of file