sdcard_sd: Convert to PD API version 3

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

diff --git a/decoders/sdcard_sd/pd.py b/decoders/sdcard_sd/pd.py
index a1eac2be2cc8de33305dcbcbf6db494a2cb2a741..02e78d72191c5a37b4b5b63efdfc603324629a73 100644 (file)
--- a/decoders/sdcard_sd/pd.py
+++ b/decoders/sdcard_sd/pd.py
@@ -1,5 +1,5 @@
 ##
-## This file is part of the sigrok project.
+## This file is part of the libsigrokdecode project.
 ##
 ## Copyright (C) 2015 Uwe Hermann <uwe@hermann-uwe.de>
 ##
@@ -14,15 +14,14 @@
 ## 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
-from .lists import *
+from common.sdcard import (cmd_names, acmd_names, accepted_voltages, card_status, sd_status)
 
 class Decoder(srd.Decoder):
-    api_version = 2
+    api_version = 3
     id = 'sdcard_sd'
     name = 'SD card (SD mode)'
     longname = 'Secure Digital card (SD mode)'
@@ -61,11 +60,9 @@ class Decoder(srd.Decoder):
         ('cmd', 'Commands', tuple(range(128))),
     )
 
-    def __init__(self, **kwargs):
+    def __init__(self):
         self.state = 'GET COMMAND TOKEN'
         self.token = []
-        self.oldpins = None
-        self.oldclk = 0
         self.is_acmd = False # Indicates CMD vs. ACMD
         self.cmd = None
         self.arg = None
@@ -404,19 +401,10 @@ class Decoder(srd.Decoder):
 
         self.token, self.state = [], 'GET COMMAND TOKEN'
 
-    def decode(self, ss, es, data):
-        for (self.samplenum, pins) in data:
-
-            # Ignore identical samples early on (for performance reasons).
-            if self.oldpins == pins:
-                continue
-            self.oldpins, (cmd, clk, dat0, dat1, dat2, dat3) = pins, pins
-
+    def decode(self):
+        while True:
             # Wait for a rising CLK edge.
-            if not (self.oldclk == 0 and clk == 1):
-                self.oldclk = clk
-                continue
-            self.oldclk = clk
+            (cmd, clk, dat0, dat1, dat2, dat3) = self.wait({1: 'r'})
 
             # State machine.
             if self.state == 'GET COMMAND TOKEN':