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The following commit(s) were added to refs/heads/master by this push:
new 9c5a2ad06 mlearning/tflite-micro: add a config option to redirect
micro log to syslog
9c5a2ad06 is described below
commit 9c5a2ad062069cadc3209186f35338260360efd4
Author: chao an <anc...@lixiang.com>
AuthorDate: Mon Dec 9 13:25:11 2024 +0800
mlearning/tflite-micro: add a config option to redirect micro log to syslog
new config option TFLITEMICRO_SYSLOG to redirect micro log to syslog
Signed-off-by: chao an <anc...@lixiang.com>
---
mlearning/tflite-micro/CMakeLists.txt | 4 +++
mlearning/tflite-micro/Kconfig | 24 +++++++++++++
mlearning/tflite-micro/Makefile | 5 +++
mlearning/tflite-micro/tflm_syslog.cc | 66 +++++++++++++++++++++++++++++++++++
4 files changed, 99 insertions(+)
diff --git a/mlearning/tflite-micro/CMakeLists.txt
b/mlearning/tflite-micro/CMakeLists.txt
index abc9b9fa5..eb5221ec4 100644
--- a/mlearning/tflite-micro/CMakeLists.txt
+++ b/mlearning/tflite-micro/CMakeLists.txt
@@ -101,6 +101,10 @@ if(CONFIG_TFLITEMICRO)
# Remove test file
list(FILTER TFLITE_MICRO_SRCS EXCLUDE REGEX ".*test.cc")
+ if(CONFIG_TFLITEMICRO_SYSLOG)
+ list(FILTER TFLITE_MICRO_SRCS EXCLUDE REGEX "micro_log.cc")
+ list(APPEND TFLITE_MICRO_SRCS ${CMAKE_CURRENT_LIST_DIR}/tflm_syslog.cc)
+ endif()
if(CONFIG_MLEARNING_CMSIS_NN)
list(APPEND COMMON_FLAGS -DCMSIS_NN)
diff --git a/mlearning/tflite-micro/Kconfig b/mlearning/tflite-micro/Kconfig
index 06193fff1..359ea5819 100644
--- a/mlearning/tflite-micro/Kconfig
+++ b/mlearning/tflite-micro/Kconfig
@@ -32,6 +32,30 @@ config TFLITEMICRO_TOOL
bool "tflite-micro cmdline tool"
default n
+config TFLITEMICRO_SYSLOG
+ bool "tflite-micro syslog backend"
+ default n
+
+if TFLITEMICRO_SYSLOG
+
+config TFLITEMICRO_SYSLOG_LEVEL
+ int "tflite-micro syslog level"
+ default 6
+ ---help---
+ Syslog level mapping of tflm, This log level mapping is
consistent
+ with the nuttx syslog level, please refer to syslog.h:
+
+ define LOG_EMERG 0 /* System is unusable */
+ define LOG_ALERT 1 /* Action must be taken immediately */
+ define LOG_CRIT 2 /* Critical conditions */
+ define LOG_ERR 3 /* Error conditions */
+ define LOG_WARNING 4 /* Warning conditions */
+ define LOG_NOTICE 5 /* Normal, but significant, condition */
+ define LOG_INFO 6 /* Informational message */
+ define LOG_DEBUG 7 /* Debug-level message */
+
+endif # TFLITEMICRO_SYSLOG
+
if TFLITEMICRO_TOOL
config TFLITEMICRO_TOOL_PRIORITY
int "tflite-micro tool priority"
diff --git a/mlearning/tflite-micro/Makefile b/mlearning/tflite-micro/Makefile
index b5dbd7f81..dd0c1c6ad 100644
--- a/mlearning/tflite-micro/Makefile
+++ b/mlearning/tflite-micro/Makefile
@@ -78,6 +78,11 @@ CXXSRCS += $(wildcard
$(TFLM_DIR)/tensorflow/lite/micro/tflite_bridge/*.cc)
CXXSRCS += $(wildcard $(TFLM_DIR)/tensorflow/lite/schema/*.cc)
CXXSRCS := $(filter-out %test.cc, $(CXXSRCS))
+ifneq ($(CONFIG_TFLITEMICRO_SYSLOG),)
+ CXXSRCS := $(filter-out %micro_log.cc, $(CXXSRCS))
+ CXXSRCS += $(wildcard $(CURDIR)/tflm_syslog.cc)
+endif
+
# cmsis
ifneq ($(CONFIG_MLEARNING_CMSIS_NN),)
COMMON_FLAGS += -DCMSIS_NN
diff --git a/mlearning/tflite-micro/tflm_syslog.cc
b/mlearning/tflite-micro/tflm_syslog.cc
new file mode 100644
index 000000000..f306a9153
--- /dev/null
+++ b/mlearning/tflite-micro/tflm_syslog.cc
@@ -0,0 +1,66 @@
+/****************************************************************************
+ * apps/mlearning/tflite-micro/tflm_syslog.cc
+ *
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership. The
+ * ASF licenses this file to you 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
+ *
+ * http://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.
+ *
+ ****************************************************************************/
+
+#include "tensorflow/lite/micro/micro_log.h"
+
+#include <syslog.h>
+#include <stdio.h>
+
+#if !defined(TF_LITE_STRIP_ERROR_STRINGS)
+#include "tensorflow/lite/micro/debug_log.h"
+#endif
+
+#if !defined(TF_LITE_STRIP_ERROR_STRINGS)
+
+void VMicroPrintf(FAR const char *format, va_list ap)
+{
+ vsyslog(CONFIG_TFLITEMICRO_SYSLOG_LEVEL, format, ap);
+}
+
+void MicroPrintf(FAR const char *format, ...)
+{
+ va_list ap;
+
+ /* Let vsyslog do the work */
+
+ va_start(ap, format);
+ vsyslog(CONFIG_TFLITEMICRO_SYSLOG_LEVEL, format, ap);
+ va_end(ap);
+}
+
+int MicroSnprintf(FAR char *buffer, size_t buf_size, FAR const char *format,
...)
+{
+ va_list ap;
+ int ret;
+
+ va_start(ap, format);
+ ret = vsnprintf(buffer, buf_size, format, ap);
+ va_end(ap);
+
+ return ret;
+}
+
+int MicroVsnprintf(FAR char *buffer, size_t buf_size,
+ FAR const char *format, va_list vlist)
+{
+ return vsnprintf(buffer, buf_size, format, vlist);
+}
+
+#endif // !defined(TF_LITE_STRIP_ERROR_STRINGS)
