license: remove FSF postal address from boiler plate license text

[libsigrokdecode.git] / decoders / usb_request / pd.py

diff --git a/decoders/usb_request/pd.py b/decoders/usb_request/pd.py
index 4526e693fd1abb255551152557d28fe269300a70..c1f00cdb008568eca7c19102853d58bbbf453ca6 100644 (file)
--- a/decoders/usb_request/pd.py
+++ b/decoders/usb_request/pd.py
@@ -14,8 +14,7 @@
 ## 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, write to the Free Software
-## Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
+## along with this program; if not, see <http://www.gnu.org/licenses/>.
 ##
 
 import sigrokdecode as srd
@@ -137,13 +136,12 @@ class Decoder(srd.Decoder):
     )
 
     def __init__(self):
-        self.samplerate = 8e6 # None
-        self.secs_per_sample = float(1) / float(self.samplerate)
+        self.samplerate = None
         self.request = {}
         self.request_id = 0
         self.transaction_state = 'IDLE'
-        self.transaction_ss = None
-        self.transaction_es = None
+        self.ss_transaction = None
+        self.es_transaction = None
         self.transaction_ep = None
         self.transaction_addr = None
         self.wrote_pcap_header = False
@@ -152,7 +150,7 @@ class Decoder(srd.Decoder):
         self.put(ss, es, self.out_ann, data)
 
     def putb(self, ts, data):
-        self.put(ts, ts, self.out_bin, data)
+        self.put(ts, ts, self.out_binary, data)
 
     def pcap_global_header(self):
         # See https://wiki.wireshark.org/Development/LibpcapFileFormat.
@@ -173,7 +171,7 @@ class Decoder(srd.Decoder):
             self.secs_per_sample = float(1) / float(self.samplerate)
 
     def start(self):
-        self.out_bin = self.register(srd.OUTPUT_BINARY)
+        self.out_binary = self.register(srd.OUTPUT_BINARY)
         self.out_ann = self.register(srd.OUTPUT_ANN)
 
     def handle_transfer(self):
@@ -183,7 +181,7 @@ class Decoder(srd.Decoder):
         addr = self.transaction_addr
         if not (addr, ep) in self.request:
             self.request[(addr, ep)] = {'setup_data': [], 'data': [],
-                'type': None, 'ss': self.transaction_ss, 'es': None,
+                'type': None, 'ss': self.ss_transaction, 'es': None,
                 'id': self.request_id, 'addr': addr, 'ep': ep}
             self.request_id += 1
             request_started = 1
@@ -193,16 +191,16 @@ class Decoder(srd.Decoder):
         if request['type'] in (None, 'BULK IN') and self.transaction_type == 'IN':
             request['type'] = 'BULK IN'
             request['data'] += self.transaction_data
-            request['es'] = self.transaction_es
+            request['es'] = self.es_transaction
             self.handle_request(request_started, request_end)
         elif request['type'] in (None, 'BULK OUT') and self.transaction_type == 'OUT':
             request['type'] = 'BULK OUT'
             request['data'] += self.transaction_data
-            request['es'] = self.transaction_es
+            request['es'] = self.es_transaction
             self.handle_request(request_started, request_end)
 
         # CONTROL, SETUP stage
-        elif request['type'] == None and self.transaction_type == 'SETUP':
+        elif request['type'] is None and self.transaction_type == 'SETUP':
             request['setup_data'] = self.transaction_data
             request['wLength'] = struct.unpack('<H',
                 bytes(self.transaction_data[6:8]))[0]
@@ -224,11 +222,11 @@ class Decoder(srd.Decoder):
 
         # CONTROL, STATUS stage
         elif request['type'] == 'SETUP IN' and self.transaction_type == 'OUT':
-            request['es'] = self.transaction_es
+            request['es'] = self.es_transaction
             self.handle_request(0, request_end)
 
         elif request['type'] == 'SETUP OUT' and self.transaction_type == 'IN':
-            request['es'] = self.transaction_es
+            request['es'] = self.es_transaction
             self.handle_request(0, request_end)
 
         else:
@@ -242,7 +240,7 @@ class Decoder(srd.Decoder):
 
     def write_pcap_header(self):
         if not self.wrote_pcap_header:
-            self.put(0, 0, self.out_bin, (0, self.pcap_global_header()))
+            self.put(0, 0, self.out_binary, [0, self.pcap_global_header()])
             self.wrote_pcap_header = True
 
     def request_summary(self, request):
@@ -270,8 +268,8 @@ class Decoder(srd.Decoder):
             # Issue PCAP 'SUBMIT' packet.
             ts = self.ts_from_samplenum(ss)
             pkt = pcap_usb_pkt(request, ts, True)
-            self.putb(ss, (0, pkt.record_header()))
-            self.putb(ss, (0, pkt.packet()))
+            self.putb(ss, [0, pkt.record_header()])
+            self.putb(ss, [0, pkt.packet()])
 
         if request_end == 1:
             # Write annotation.
@@ -288,8 +286,8 @@ class Decoder(srd.Decoder):
             # Issue PCAP 'COMPLETE' packet.
             ts = self.ts_from_samplenum(es)
             pkt = pcap_usb_pkt(request, ts, False)
-            self.putb(ss, (0, pkt.record_header()))
-            self.putb(ss, (0, pkt.packet()))
+            self.putb(ss, [0, pkt.record_header()])
+            self.putb(ss, [0, pkt.packet()])
             del self.request[(addr, ep)]
 
     def decode(self, ss, es, data):
@@ -307,11 +305,12 @@ class Decoder(srd.Decoder):
             if pname == 'SOF':
                 return
             if self.transaction_state == 'TOKEN RECEIVED':
-                transaction_timeout = self.transaction_es
-                # token length is 35 bits, timeout is 16..18 bit times (USB 2.0 7.1.19.1)
-                transaction_timeout += int((self.transaction_es - self.transaction_ss) / 2)
-                if (ss > transaction_timeout):
-                    self.transaction_es = transaction_timeout
+                transaction_timeout = self.es_transaction
+                # Token length is 35 bits, timeout is 16..18 bit times
+                # (USB 2.0 7.1.19.1).
+                transaction_timeout += int((self.es_transaction - self.ss_transaction) / 2)
+                if ss > transaction_timeout:
+                    self.es_transaction = transaction_timeout
                     self.handshake = 'timeout'
                     self.handle_transfer()
                     self.transaction_state = 'IDLE'
@@ -323,8 +322,8 @@ class Decoder(srd.Decoder):
 
             sync, pid, addr, ep, crc5 = pinfo
             self.transaction_data = []
-            self.transaction_ss = ss
-            self.transaction_es = es
+            self.ss_transaction = ss
+            self.es_transaction = es
             self.transaction_state = 'TOKEN RECEIVED'
             self.transaction_ep = ep
             self.transaction_addr = addr
@@ -347,7 +346,7 @@ class Decoder(srd.Decoder):
 
             self.handshake = pname
             self.transaction_state = 'IDLE'
-            self.transaction_es = es
+            self.es_transaction = es
             self.handle_transfer()
 
         elif pname == 'PRE':