From d52723d5bcf8a45735f438d172bba33df6b460d2 Mon Sep 17 00:00:00 2001
From: whitequark <whitequark@whitequark.org>
Date: Tue, 7 Mar 2017 07:28:24 +0000
Subject: [PATCH] runtime: allow setting log level in configuration.

---
 artiq/firmware/runtime/lib.rs | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/artiq/firmware/runtime/lib.rs b/artiq/firmware/runtime/lib.rs
index a48df593a..a3c603c68 100644
--- a/artiq/firmware/runtime/lib.rs
+++ b/artiq/firmware/runtime/lib.rs
@@ -68,6 +68,15 @@ fn startup() {
     }
     info!("continuing boot");
 
+    match config::read_str("log_level", |r| r?.parse()) {
+        Err(()) => (),
+        Ok(log_level_filter) => {
+            info!("log level set to {} in configuration", log_level_filter);
+            logger_artiq::BufferLogger::with_instance(|logger|
+                logger.set_max_log_level(log_level_filter));
+        }
+    }
+
     #[cfg(has_i2c)]
     board::i2c::init();
     #[cfg(has_ad9516)]