From c895df19a5ca703bc62b970ae62e4ba2b0794daf Mon Sep 17 00:00:00 2001
From: pichenettes <ol.gillet@gmail.com>
Date: Fri, 13 Sep 2013 10:29:25 +0200
Subject: [PATCH] Rule for slow uploads for chips using the internal oscillator

---
 makefile.mk | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/makefile.mk b/makefile.mk
index c8a49bb..f22fd16 100644
--- a/makefile.mk
+++ b/makefile.mk
@@ -143,6 +143,10 @@ upload:    $(TARGET_HEX)
 		$(AVRDUDE) $(AVRDUDE_COM_OPTS) $(AVRDUDE_ISP_OPTS) \
 			-B 1 -U flash:w:$(TARGET_HEX):i -U lock:w:0x$(LOCK):m
 
+slow_upload:    $(TARGET_HEX)
+		$(AVRDUDE) $(AVRDUDE_COM_OPTS) $(AVRDUDE_ISP_OPTS) \
+			-B 4 -U flash:w:$(TARGET_HEX):i -U lock:w:0x$(LOCK):m
+
 clean:
 		$(REMOVE) $(OBJS) $(TARGETS) $(DEP_FILE) $(DEPS)