X-Git-Url: https://sigrok.org/gitweb/?p=libsigrokdecode.git;a=blobdiff_plain;f=decoders%2Fdcf77%2Fpd.py;h=acb6bdafce926465b0b3997b11cdccdb9712c5b8;hp=059d79c82df44564ab64149e57afc0fed95f62ac;hb=e144452bcdd5f2abbe6b6f3da41ad64f67e39def;hpb=e623c0fb15dcdca26fe181cddb9056630797a82d

diff --git a/decoders/dcf77/pd.py b/decoders/dcf77/pd.py
index 059d79c..acb6bda 100644
--- a/decoders/dcf77/pd.py
+++ b/decoders/dcf77/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
@@ -33,13 +32,14 @@ class Decoder(srd.Decoder):
     desc = 'European longwave time signal (77.5kHz carrier signal).'
     license = 'gplv2+'
     inputs = ['logic']
-    outputs = ['dcf77']
+    outputs = []
+    tags = ['Clock/timing']
     channels = (
         {'id': 'data', 'name': 'DATA', 'desc': 'DATA line'},
     )
     annotations = (
         ('start-of-minute', 'Start of minute'),
-        ('special-bits', 'Special bits (civil warnings, weather forecast)'),
+        ('special-bit', 'Special bit (civil warnings, weather forecast)'),
         ('call-bit', 'Call bit'),
         ('summer-time', 'Summer time announcement'),
         ('cest', 'CEST bit'),
@@ -55,9 +55,9 @@ class Decoder(srd.Decoder):
         ('month', 'Month'),
         ('year', 'Year'),
         ('date-parity', 'Date parity bit'),
-        ('raw-bits', 'Raw bits'),
-        ('unknown-bits', 'Unknown bits'),
-        ('warnings', 'Human-readable warnings'),
+        ('raw-bit', 'Raw bit'),
+        ('unknown-bit', 'Unknown bit'),
+        ('warning', 'Warning'),
     )
     annotation_rows = (
         ('bits', 'Bits', (17, 18)),
@@ -66,6 +66,9 @@ class Decoder(srd.Decoder):
     )
 
     def __init__(self):
+        self.reset()
+
+    def reset(self):
         self.samplerate = None
         self.state = 'WAIT FOR RISING EDGE'
         self.ss_bit = self.ss_bit_old = self.es_bit = self.ss_block = 0
@@ -76,9 +79,6 @@ class Decoder(srd.Decoder):
     def start(self):
         self.out_ann = self.register(srd.OUTPUT_ANN)
 
-        # Assume that the initial pin state is logic 1.
-        self.initial_pins = [1]
-
     def metadata(self, key, value):
         if key == srd.SRD_CONF_SAMPLERATE:
             self.samplerate = value
@@ -128,7 +128,7 @@ class Decoder(srd.Decoder):
             else:
                 self.tmp |= (bit << (c - 1))
             if c == 14:
-                s = bin(self.tmp)[2:].zfill(14)
+                s = '{:014b}'.format(self.tmp)
                 self.putb([1, ['Special bits: %s' % s, 'SB: %s' % s]])
         elif c == 15:
             s = '' if (bit == 1) else 'not '
@@ -211,9 +211,13 @@ class Decoder(srd.Decoder):
                 self.tmp |= (bit << (c - 42))
             if c == 44:
                 d = bcd2int(self.tmp)
-                dn = calendar.day_name[d - 1] # day_name[0] == Monday
-                self.putb([13, ['Day of week: %d (%s)' % (d, dn),
-                                'DoW: %d (%s)' % (d, dn)]])
+                try:
+                    dn = calendar.day_name[d - 1] # day_name[0] == Monday
+                    self.putb([13, ['Day of week: %d (%s)' % (d, dn),
+                                    'DoW: %d (%s)' % (d, dn)]])
+                except IndexError:
+                    self.putb([19, ['Day of week: %d (%s)' % (d, 'invalid'),
+                                    'DoW: %d (%s)' % (d, 'inv')]])
         elif c in range(45, 49 + 1):
             # Month (1-12): DCF77 bits 45-49 (BCD format).
             if c == 45:
@@ -223,9 +227,13 @@ class Decoder(srd.Decoder):
                 self.tmp |= (bit << (c - 45))
             if c == 49:
                 m = bcd2int(self.tmp)
-                mn = calendar.month_name[m] # month_name[1] == January
-                self.putb([14, ['Month: %d (%s)' % (m, mn),
-                                'Mon: %d (%s)' % (m, mn)]])
+                try:
+                    mn = calendar.month_name[m] # month_name[1] == January
+                    self.putb([14, ['Month: %d (%s)' % (m, mn),
+                                    'Mon: %d (%s)' % (m, mn)]])
+                except IndexError:
+                    self.putb([19, ['Month: %d (%s)' % (m, 'invalid'),
+                                    'Mon: %d (%s)' % (m, 'inv')]])
         elif c in range(50, 57 + 1):
             # Year (0-99): DCF77 bits 50-57 (BCD format).
             if c == 50:
@@ -242,7 +250,8 @@ class Decoder(srd.Decoder):
             self.putx([16, ['Date parity: %s' % s, 'DP: %s' % s]])
             self.datebits = []
         else:
-            raise Exception('Invalid DCF77 bit: %d' % c)
+            self.putx([19, ['Invalid DCF77 bit: %d' % c,
+                            'Invalid bit: %d' % c, 'Inv: %d' % c]])
 
     def decode(self):
         if not self.samplerate:
@@ -291,11 +300,12 @@ class Decoder(srd.Decoder):
                 elif len_high_ms in range(161, 260 + 1):
                     bit = 1
                 else:
-                    bit = -1 # TODO: Error?
+                    bit = -1
 
-                # There's no bit 59, make sure none is decoded.
-                if bit in (0, 1) and self.bitcount in range(0, 58 + 1):
+                if bit in (0, 1):
                     self.handle_dcf77_bit(bit)
                     self.bitcount += 1
+                else:
+                    self.putx([19, ['Invalid bit timing', 'Inv timing', 'Inv']])
 
                 self.state = 'WAIT FOR RISING EDGE'