From a3bd09337b21458f6e1df63e406886a047f3bacb Mon Sep 17 00:00:00 2001
From: Juan Cruz Viotti <juan@balena.io>
Date: Sun, 17 Mar 2019 15:01:17 +0000
Subject: [PATCH] usbboot: Delay on each bulk transfer chunk

Change-type: patch
Signed-off-by: Juan Cruz Viotti <juan@balena.io>
---
 lib/sdk/adapters/usbboot/protocol.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/sdk/adapters/usbboot/protocol.js b/lib/sdk/adapters/usbboot/protocol.js
index 9452e029..dcc91914 100644
--- a/lib/sdk/adapters/usbboot/protocol.js
+++ b/lib/sdk/adapters/usbboot/protocol.js
@@ -249,7 +249,7 @@ exports.write = (device, endpoint, buffer) => {
         return Bluebird.fromCallback((callback) => {
           console.log(`SENDING CHUNK: ${chunk.length}`)
           endpoint.transfer(chunk, callback)
-        })
+        }).delay(USB_REQUEST_DELAY_MS)
       })
     })
 }