From d7d796b80d80e2a66fa5ccdf5d7e10b046569aac Mon Sep 17 00:00:00 2001
From: Kaspar Schleiser <kaspar@schleiser.de>
Date: Thu, 18 May 2017 12:10:10 +0200
Subject: [PATCH] makefiles: add edbg tool support

---
 makefiles/boards/sam0.inc.mk | 13 ++++++++++++-
 makefiles/tools/edbg.inc.mk  | 10 ++++++++++
 2 files changed, 22 insertions(+), 1 deletion(-)
 create mode 100644 makefiles/tools/edbg.inc.mk

diff --git a/makefiles/boards/sam0.inc.mk b/makefiles/boards/sam0.inc.mk
index 89a76ea42c..ef7578e528 100644
--- a/makefiles/boards/sam0.inc.mk
+++ b/makefiles/boards/sam0.inc.mk
@@ -10,6 +10,7 @@ include $(RIOTMAKE)/tools/serial.inc.mk
 #   Usage: SERIAL="ATML..." BOARD=<board> make flash
 ifneq (,$(SERIAL))
     export OPENOCD_EXTRA_INIT += "-c cmsis_dap_serial $(SERIAL)"
+    EDBG_ARGS += "--serial $(SERIAL)"
     SERIAL_TTY = $(firstword $(shell $(RIOTBASE)/dist/tools/usb-serial/find-tty.sh $(SERIAL)))
     ifeq (,$(SERIAL_TTY))
         $(error Did not find a device with serial $(SERIAL))
@@ -17,5 +18,15 @@ ifneq (,$(SERIAL))
     PORT_LINUX := $(SERIAL_TTY)
 endif
 
-# this board uses openocd
+# set this to either openocd or edbg
+PROGRAMMER ?= edbg
+
+# use edbg if selected and a device type has been set
+ifeq ($(PROGRAMMER),edbg)
+  ifneq (,$(EDBG_DEVICE_TYPE))
+    include $(RIOTMAKE)/tools/edbg.inc.mk
+  endif
+endif
+
+# this board uses openocd for debug and possibly flashing
 include $(RIOTMAKE)/tools/openocd.inc.mk
diff --git a/makefiles/tools/edbg.inc.mk b/makefiles/tools/edbg.inc.mk
new file mode 100644
index 0000000000..353be21a90
--- /dev/null
+++ b/makefiles/tools/edbg.inc.mk
@@ -0,0 +1,10 @@
+RIOT_EDBG = $(RIOTBASE)/dist/tools/edbg/edbg
+EDBG ?= $(RIOT_EDBG)
+FLASHER ?= $(EDBG)
+OFLAGS ?= -O binary
+HEXFILE = $(ELFFILE:.elf=.bin)
+FFLAGS ?= $(EDBG_ARGS) -t $(EDBG_DEVICE_TYPE) -b -e -v -p -f $(HEXFILE)
+
+ifeq ($(RIOT_EDBG),$(FLASHER))
+  FLASHDEPS += $(RIOT_EDBG)
+endif