From ad8cdf727bca357841b30c78bf035303c12dd648 Mon Sep 17 00:00:00 2001
From: alex <alex@cloudware.io>
Date: Mon, 13 Mar 2023 13:37:03 +0100
Subject: [PATCH] ngui: yield CPU during standby mode

when the screen turns off, the idle loop never gave a chance CPU to
do other work and pegged at 100%. adding a short sleep each cycle
yields CPU to the OS.

closes https://git.qcode.ch/nakamochi/ndg/issues/15
---
 src/ui/screen.zig | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/ui/screen.zig b/src/ui/screen.zig
index 7004ade..16894d0 100644
--- a/src/ui/screen.zig
+++ b/src/ui/screen.zig
@@ -30,6 +30,7 @@ pub fn sleep(wake: *const Thread.ResetEvent) void {
             return;
         }
         std.atomic.spinLoopHint();
+        std.time.sleep(10 * std.time.ns_per_ms);
     }
 }