From 77fb64043d49b87ab74afa15aab6c2ab5b82ad5e Mon Sep 17 00:00:00 2001
From: Peli de Halleux <pelikhan@users.noreply.github.com>
Date: Fri, 5 Jan 2018 22:56:11 -0800
Subject: [PATCH] stop all motors when pressing escape

---
 libs/core/buttons.ts | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/libs/core/buttons.ts b/libs/core/buttons.ts
index 0de89e8c..bd0b9292 100644
--- a/libs/core/buttons.ts
+++ b/libs/core/buttons.ts
@@ -165,8 +165,10 @@ namespace brick {
         }
         // this needs to be done in query(), which is run without the main JS execution mutex
         // otherwise, while(true){} will lock the device
-        if (ret & DAL.BUTTON_ID_ESCAPE)
+        if (ret & DAL.BUTTON_ID_ESCAPE) {
+            motors.stopAllMotors();
             control.reset()
+        }
         return ret
     }
 
@@ -190,7 +192,7 @@ namespace brick {
             initBtns()
             buttons.push(this)
         }
-    }
+    }    
 
     initBtns() // always ON as it handles ESCAPE button
 
@@ -231,6 +233,7 @@ namespace control {
     /**
      * Determine the version of system software currently running.
      */
+    //%
     export function deviceFirmwareVersion(): string {
         let buf = output.createBuffer(6)
         brick.internal.getBtnsMM().read(buf)