Change to use Transfer for one byte transfer on CMSIS-DAP

pyocd · Oct 26, 2023 · b13f482 · b13f482
1 parent 5f02a94
commit b13f482
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/pyocd/probe/pydapaccess/dap_access_cmsis_dap.py b/pyocd/probe/pydapaccess/dap_access_cmsis_dap.py
@@ -467,7 +467,7 @@ def encode_data(self):
         """
         assert self.get_empty() is False
         self._data_encoded = True
-        if self._block_allowed:
+        if self._block_allowed and (self._read_count > 1 or self._write_count > 1):
             data = self._encode_transfer_block_data()
         else:
             data = self._encode_transfer_data()
@@ -478,7 +478,7 @@ def decode_data(self, data):
         """
         assert self.get_empty() is False
         assert self._data_encoded is True
-        if self._block_allowed:
+        if self._block_allowed and (self._read_count > 1 or self._write_count > 1):
             data = self._decode_transfer_block_data(data)
         else:
             data = self._decode_transfer_data(data)