From 3780b775393ccc985c21c997598268e4e6585e5a Mon Sep 17 00:00:00 2001
From: Sympatron GmbH <35803463+Sympatron@users.noreply.github.com>
Date: Wed, 30 Oct 2024 17:33:37 +0100
Subject: [PATCH 1/3] Optionally remove dependency on gettimeofday

---
 src/utils.c | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)

diff --git a/src/utils.c b/src/utils.c
index 272cd38..071ebe1 100644
--- a/src/utils.c
+++ b/src/utils.c
@@ -148,12 +148,26 @@ int add_iso8601_utc_datetime(char *buf, size_t size)
 	return strftime(buf, size, "%Y-%m-%dT%H:%M:%SZ", &timeinfo);
 }
 
+#elif defined(NO_OS)
+
+int add_iso8601_utc_datetime(char *buf, size_t size)
+{
+	//TODO: Timestamp Generation
+	ARG_UNUSED(buf);
+	ARG_UNUSED(size);
+	return 0;
+}
+
+// Expect user to provide this function
+extern int64_t usec_now();
+
 #else
 
 #error Platform test failed
 
 #endif
 
+#if !defined(NO_OS)
 int64_t usec_now()
 {
 	int64_t usec;
@@ -173,6 +187,7 @@ void get_time(uint32_t *seconds, uint32_t *micro_seconds)
 	*seconds = tv.tv_sec;
 	*micro_seconds = tv.tv_usec;
 }
+#endif
 
 int64_t usec_since(int64_t last)
 {
@@ -205,6 +220,10 @@ void dump_trace(void)
 	puts("");
 	free(strings);
 }
+#elif defined(NO_OS)
+void dump_trace(void)
+{
+}
 #else
 void dump_trace(void)
 {

From 631583cab025a79123040ca5796f65156aa942ba Mon Sep 17 00:00:00 2001
From: Sympatron GmbH <35803463+Sympatron@users.noreply.github.com>
Date: Wed, 30 Oct 2024 17:34:55 +0100
Subject: [PATCH 2/3] Optionally remove logging to stdout for embedded
 platforms

---
 src/logger.c | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/src/logger.c b/src/logger.c
index e2f8418..3becb45 100644
--- a/src/logger.c
+++ b/src/logger.c
@@ -42,7 +42,11 @@ logger_t default_logger = {
 	.flags = LOGGER_FLAG_NONE,
 	.log_level = LOG_INFO,
 	.name = "GLOBAL",
+#if defined(NO_OS)
+	.puts = NULL,
+#else
 	.puts = puts,
+#endif
 	.root_path = NULL,
 	.cb = NULL,
 };
@@ -59,6 +63,10 @@ static const char *log_level_names[LOG_MAX_LEVEL] = {
 
 static inline void logger_log_set_color(logger_t *ctx, const char *color)
 {
+#if defined(NO_OS)
+	ARG_UNUSED(ctx);
+	ARG_UNUSED(color);
+#else
 	size_t ret, len;
 
 	if (ctx->flags & LOGGER_FLAG_NO_COLORS)
@@ -70,6 +78,7 @@ static inline void logger_log_set_color(logger_t *ctx, const char *color)
 		assert(ret == len);
 		ARG_UNUSED(ret); /* squash warning in Release builds */
 	}
+#endif
 }
 
 static const char *get_tstamp()
@@ -134,10 +143,17 @@ int __logger_log(logger_t *ctx, int log_level, const char *file, unsigned long l
 		ctx->cb(log_level, file, line, buf);
 	} else {
 		logger_log_set_color(ctx, log_level_colors[log_level]);
+#if defined(NO_OS)
+		if (ctx->puts)
+			ctx->puts(buf);
+		else
+			return -1;
+#else
 		if (ctx->file)
 			fputs(buf, ctx->file);
 		else
 			ctx->puts(buf);
+#endif
 		logger_log_set_color(ctx, RESET);
 	}
 

From 84aa08ed7acd2c05d99104039cec2215714959a2 Mon Sep 17 00:00:00 2001
From: Sympatron GmbH <35803463+Sympatron@users.noreply.github.com>
Date: Wed, 30 Oct 2024 17:35:30 +0100
Subject: [PATCH 3/3] Use global logger for asserts rather than printf

---
 include/utils/assert.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/include/utils/assert.h b/include/utils/assert.h
index aa10b90..cafc502 100644
--- a/include/utils/assert.h
+++ b/include/utils/assert.h
@@ -14,7 +14,7 @@
 extern "C" {
 #endif
 
-#define __ASSERT_PRINT(fmt, ...) printf(fmt, ##__VA_ARGS__)
+#define __ASSERT_PRINT(fmt, ...) __logger_log(NULL, LOG_EMERG,  __FILE__, __LINE__, fmt, ##__VA_ARGS__)
 
 #define __ASSERT_LOC(test) \
         __ASSERT_PRINT("ASSERTION FAIL [%s] @ %s:%d\n", \