From e263420ea33d7ad9b8182642ed565ad6cea13010 Mon Sep 17 00:00:00 2001
From: Jared Boone <jboone@earfeast.com>
Date: Fri, 24 Jun 2016 11:32:24 -0700
Subject: [PATCH] Enable M4 interrupt on M0 core only when M4 image is running.

---
 firmware/application/baseband_api.cpp | 4 ++++
 firmware/application/event_m0.cpp     | 4 ----
 2 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/firmware/application/baseband_api.cpp b/firmware/application/baseband_api.cpp
index a1eb30cb..71c41fe9 100644
--- a/firmware/application/baseband_api.cpp
+++ b/firmware/application/baseband_api.cpp
@@ -85,9 +85,13 @@ void stop() {
 
 void run_image(const portapack::spi_flash::region_t image_region) {
 	m4_init(image_region, portapack::memory::map::m4_code);
+
+	creg::m4txevent::enable();
 }
 
 void shutdown() {
+	creg::m4txevent::disable();
+
 	ShutdownMessage shutdown_message;
 	shared_memory.baseband_queue.push_and_wait(shutdown_message);
 }
diff --git a/firmware/application/event_m0.cpp b/firmware/application/event_m0.cpp
index 6d387cf0..7966152a 100644
--- a/firmware/application/event_m0.cpp
+++ b/firmware/application/event_m0.cpp
@@ -105,14 +105,10 @@ EventDispatcher::EventDispatcher(
 }
 
 void EventDispatcher::run() {
-	creg::m4txevent::enable();
-
 	while(is_running) {
 		const auto events = wait();
 		dispatch(events);
 	}
-
-	creg::m4txevent::disable();
 }
 
 void EventDispatcher::request_stop() {