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.

1 files changed, 9 insertions, 0 deletions

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);