From 09ea7a8695f4e5eb770558982de706ef77c464b7 Mon Sep 17 00:00:00 2001
From: Karl Palsson <karlp@tweak.net.au>
Date: Wed, 30 Mar 2016 17:22:52 +0000
Subject: rules: attempt to connect to a running openocd first.

---
 rules.mk | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

(limited to 'rules.mk')

diff --git a/rules.mk b/rules.mk
index c063c3a..d812d73 100644
--- a/rules.mk
+++ b/rules.mk
@@ -152,12 +152,14 @@ $(PROJECT).elf: $(OBJS) $(LDSCRIPT)
 %.flash: %.elf
 	@printf "  FLASH\t$<\n"
 ifeq (,$(OOCD_FILE))
-	$(Q)$(OOCD) -f interface/$(OOCD_INTERFACE).cfg \
+	$(Q)(echo "halt; program $(*).elf verify reset" | nc -4 localhost 4444 ) || \
+		$(OOCD) -f interface/$(OOCD_INTERFACE).cfg \
 		-f target/$(OOCD_TARGET).cfg \
 		-c "program $(*).elf verify reset exit" \
 		$(NULL)
 else
-	$(Q)$(OOCD) -f $(OOCD_FILE) \
+	$(Q)(echo "halt; program $(*).elf verify reset" | nc -4 localhost 4444 ) || \
+		$(OOCD) -f $(OOCD_FILE) \
 		-c "program $(*).elf verify reset exit" \
 		$(NULL)
 endif
-- 
cgit