X-Git-Url: https://git.gag.com/?a=blobdiff_plain;f=src%2Ftarget%2Ftarget_request.c;h=1fedfb222dd27e35eafb19db345f2645a432e0fd;hb=ed028542edef963acfea6b67a07ba2dd396543de;hp=d22b8a2b9e7447cabd838bc008e2531f309176f9;hpb=38e376d232ecb3d6a436a20c09019d1a13b0d42b;p=fw%2Fopenocd

diff --git a/src/target/target_request.c b/src/target/target_request.c
index d22b8a2b9..1fedfb222 100644
--- a/src/target/target_request.c
+++ b/src/target/target_request.c
@@ -36,6 +36,15 @@
 #include "trace.h"
 
 
+static bool got_message = false;
+
+bool target_got_message(void)
+{
+	bool t = got_message;
+	got_message = false;
+	return t;
+}
+
 static int charmsg_mode = 0;
 
 static int target_asciimsg(struct target *target, uint32_t length)
@@ -118,6 +127,9 @@ int target_request(struct target *target, uint32_t request)
 {
 	target_req_cmd_t target_req_cmd = request & 0xff;
 
+	/* Record that we got a target message for back-off algorithm */
+	got_message = true;
+
 	if (charmsg_mode) {
 		target_charmsg(target, target_req_cmd);
 		return ERROR_OK;
@@ -182,11 +194,9 @@ static int add_debug_msg_receiver(struct command_context *cmd_ctx, struct target
 static struct debug_msg_receiver* find_debug_msg_receiver(struct command_context *cmd_ctx, struct target *target)
 {
 	int do_all_targets = 0;
-	struct debug_msg_receiver **p = &target->dbgmsg;
 
 	/* if no target has been specified search all of them */
-	if (target == NULL)
-	{
+	if (target == NULL) {
 		/* if no targets haven been specified */
 		if (all_targets == NULL)
 			return NULL;
@@ -195,8 +205,9 @@ static struct debug_msg_receiver* find_debug_msg_receiver(struct command_context
 		do_all_targets = 1;
 	}
 
-	do
-	{
+	/* so we target != null */
+	struct debug_msg_receiver **p = &target->dbgmsg;
+	do {
 		while (*p)
 		{
 			if ((*p)->cmd_ctx == cmd_ctx)
@@ -303,10 +314,10 @@ COMMAND_HANDLER(handle_target_request_debugmsgs_command)
 static const struct command_registration target_req_exec_command_handlers[] = {
 	{
 		.name = "debugmsgs",
-		.handler = &handle_target_request_debugmsgs_command,
+		.handler = handle_target_request_debugmsgs_command,
 		.mode = COMMAND_EXEC,
-		.help = "set reception of debug messages from target",
-		.usage = "(enable|disable)",
+		.help = "display and/or modify reception of debug messages from target",
+		.usage = "['enable'|'charmsg'|'disable']",
 	},
 	COMMAND_REGISTRATION_DONE
 };