logging: Add v2 support to RTT backend

Add support for logging v2 to RTT backend.

Signed-off-by: Krzysztof Chruscinski <[email protected]>

Author: nordic-krch

subsys/logging/Kconfig.backends

@@ -52,7 +52,6 @@ endif # LOG_BACKEND_SWO
 config LOG_BACKEND_RTT
 	bool "Enable Segger J-Link RTT backend"
 	depends on USE_SEGGER_RTT
-	depends on !LOG2
 	default y if !SHELL_BACKEND_RTT
 	help
 	  When enabled, backend will use RTT for logging. This backend works on a per

subsys/logging/log_backend_rtt.c

@@ -295,11 +295,20 @@ static void sync_hexdump(const struct log_backend *const backend,
 				     timestamp, metadata, data, length);
 }
 
+static void process(const struct log_backend *const backend,
+		union log_msg2_generic *msg)
+{
+	uint32_t flags = log_backend_std_get_flags();
+
+	log_output_msg2_process(&log_output_rtt, &msg->log, flags);
+}
+
 const struct log_backend_api log_backend_rtt_api = {
-	.put = IS_ENABLED(CONFIG_LOG_IMMEDIATE) ? NULL : put,
-	.put_sync_string = IS_ENABLED(CONFIG_LOG_IMMEDIATE) ?
+	.process = IS_ENABLED(CONFIG_LOG2) ? process : NULL,
+	.put = IS_ENABLED(CONFIG_LOG_MODE_DEFERRED) ? put : NULL,
+	.put_sync_string = IS_ENABLED(CONFIG_LOG_MODE_IMMEDIATE) ?
 			sync_string : NULL,
-	.put_sync_hexdump = IS_ENABLED(CONFIG_LOG_IMMEDIATE) ?
+	.put_sync_hexdump = IS_ENABLED(CONFIG_LOG_MODE_IMMEDIATE) ?
 			sync_hexdump : NULL,
 	.panic = panic,
 	.init = log_backend_rtt_init,