fixing check_error in AWG.py

.gitignore

@@ -145,3 +145,7 @@ _Pvt_Extensions
 /Cpp/lib/spcm_win64_msvcpp_symbols.txt
 /Cpp/out
 /Python/data
+README.md
+Python/*.ipynb
+Python/*.xml
+*.ipynb
\ No newline at end of file

Python/lib/AWG.py

@@ -85,13 +85,13 @@ class AWG:
         """
         err_reg = uint32(0)
         err_val = int32(0)
-        err_text = ""
-        err_code = spcm_dwGetErrorInfo_i32(self.card, byref(err_reg), byref(err_val), err_text)
+        err_text = create_string_buffer(256)
+        err_code = spcm_dwGetErrorInfo_i32(self.card, byref(err_reg), byref(err_val), byref(err_text))
         if err_code:
             print(
                 f"{message}\n"
                 f"error code (see spcerr.py): {hex(err_code)}\n"
-                # f"error text: {err_text}"
+                f"error text: {err_text}\n"
                 f"error register: {err_reg.value}\n"
                 f"error val: {err_val.value}\n"
             )