From 5d8c636f4049813c1ea01e9683e1f6271ed03809 Mon Sep 17 00:00:00 2001
From: Jared Boone <jboone@earfeast.com>
Date: Tue, 1 Sep 2015 13:49:09 -0700
Subject: [PATCH] Halt M4 right after sending M0 the shutdown message.

Addresses issue #55.
---
 firmware/baseband/main.cpp | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/firmware/baseband/main.cpp b/firmware/baseband/main.cpp
index 82a27049..8952dcca 100755
--- a/firmware/baseband/main.cpp
+++ b/firmware/baseband/main.cpp
@@ -205,6 +205,13 @@ static void shutdown() {
 	systick_stop();
 }
 
+static void halt() {
+	port_disable();
+	while(true) {
+		port_wait_for_interrupt();
+	}
+}
+
 class EventDispatcher {
 public:
 	MessageHandlerMap& message_handlers() {
@@ -346,5 +353,7 @@ int main(void) {
 	ShutdownMessage shutdown_message;
 	shared_memory.application_queue.push(shutdown_message);
 
+	halt();
+
 	return 0;
 }