From 2d9b8a83a2d9f495199033e43f519d26f27938fe Mon Sep 17 00:00:00 2001
From: Keith Packard <keithp@keithp.com>
Date: Mon, 6 Apr 2009 11:31:49 -0700
Subject: Add support for a serial-connected custom debug dongle

This uses the cc1111 board as a custom debug dongle with faster
methods for communicating with the debug target.
---
 lib/ccdbg-debug.c | 9 +++++++++
 1 file changed, 9 insertions(+)

(limited to 'lib/ccdbg-debug.c')

diff --git a/lib/ccdbg-debug.c b/lib/ccdbg-debug.c
index 847361c7..6eb4e0c5 100644
--- a/lib/ccdbg-debug.c
+++ b/lib/ccdbg-debug.c
@@ -34,11 +34,20 @@ ccdbg_clear_debug(int level)
 	ccdbg_level &= ~level;
 }
 
+static int initialized;
+
 void
 ccdbg_debug(int level, char *format, ...)
 {
 	va_list	ap;
 
+	if (!initialized) {
+		char *level;
+		initialized = 1;
+		level = getenv("CCDEBUG");
+		if (level)
+			ccdbg_level |= strtoul(level, NULL, 0);
+	}
 	if (ccdbg_level & level) {
 		va_start(ap, format);
 		vprintf(format, ap);
-- 
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