1 files changed, 58 insertions, 0 deletions
diff --git a/pw_log_tokenized/public/pw_log_tokenized/config.h b/pw_log_tokenized/public/pw_log_tokenized/config.h
new file mode 100644
index 000000000..9c92d9f64
--- /dev/null
+++ b/pw_log_tokenized/public/pw_log_tokenized/config.h
@@ -0,0 +1,58 @@
+// Copyright 2021 The Pigweed Authors
+//
+// Licensed under the Apache License, Version 2.0 (the "License"); you may not
+// use this file except in compliance with the License. You may obtain a copy of
+// the License at
+//
+//     https://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+// WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+// License for the specific language governing permissions and limitations under
+// the License.
+#pragma once
+
+#include <assert.h>
+
+#include "pw_log/options.h"
+#include "pw_preprocessor/concat.h"
+
+// This macro takes the PW_LOG format string and optionally transforms it. By
+// default, the PW_LOG_MODULE_NAME is prepended to the string if present.
+#ifndef PW_LOG_TOKENIZED_FORMAT_STRING
+
+#define PW_LOG_TOKENIZED_FORMAT_STRING(string) \
+  PW_CONCAT(PW_LOG_TOKENIZED_FMT_, PW_LOG_MODULE_NAME_DEFINED)(string)
+
+#define PW_LOG_TOKENIZED_FMT_0(string) string
+#define PW_LOG_TOKENIZED_FMT_1(string) PW_LOG_MODULE_NAME " " string
+
+#endif  // PW_LOG_TOKENIZED_FORMAT_STRING
+
+// The log level, module token, and flag bits are packed into the tokenizer's
+// payload argument, which is typically 32 bits. These macros specify the number
+// of bits to use for each field.
+#ifndef PW_LOG_TOKENIZED_LEVEL_BITS
+#define PW_LOG_TOKENIZED_LEVEL_BITS 6
+#endif  // PW_LOG_TOKENIZED_LEVEL_BITS
+
+#ifndef PW_LOG_TOKENIZED_MODULE_BITS
+#define PW_LOG_TOKENIZED_MODULE_BITS 16
+#endif  // PW_LOG_TOKENIZED_MODULE_BITS
+
+#ifndef PW_LOG_TOKENIZED_FLAG_BITS
+#define PW_LOG_TOKENIZED_FLAG_BITS 10
+#endif  // PW_LOG_TOKENIZED_FLAG_BITS
+
+static_assert((PW_LOG_TOKENIZED_LEVEL_BITS + PW_LOG_TOKENIZED_MODULE_BITS +
+               PW_LOG_TOKENIZED_FLAG_BITS) == 32,
+              "Log metadata must fit in a 32-bit integer");
+
+// The macro to use to tokenize the log and its arguments. Defaults to
+// PW_TOKENIZE_TO_GLOBAL_HANDLER_WITH_PAYLOAD. Projects may define their own
+// version of this macro that uses a different underlying function, if desired.
+#ifndef PW_LOG_TOKENIZED_ENCODE_MESSAGE
+#define PW_LOG_TOKENIZED_ENCODE_MESSAGE \
+  PW_TOKENIZE_TO_GLOBAL_HANDLER_WITH_PAYLOAD
+#endif  // PW_LOG_TOKENIZED_ENCODE_MESSAGE