From ce9f2666e92763635437466611f2daf9189a9ab8 Mon Sep 17 00:00:00 2001
From: Fabien Le Mentec <texane@gmail.com>
Date: Sun, 16 Oct 2011 16:29:28 -0500
Subject: [PATCH] [update] flash tool, missing SWD mode entering and core reset

---
 flash/Makefile |  2 ++
 flash/main.c   | 10 +++++++++-
 2 files changed, 11 insertions(+), 1 deletion(-)

diff --git a/flash/Makefile b/flash/Makefile
index fe0dff7..aee2f37 100644
--- a/flash/Makefile
+++ b/flash/Makefile
@@ -1,3 +1,5 @@
+CC=gcc
+
 CFLAGS+=-g
 CFLAGS+=-DCONFIG_USE_LIBUSB
 CFLAGS+=-DCONFIG_USE_LIBSG
diff --git a/flash/main.c b/flash/main.c
index c8b15e0..5233405 100644
--- a/flash/main.c
+++ b/flash/main.c
@@ -14,7 +14,7 @@ int main(int ac, char** av)
   stlink_t* sl = NULL;
   stm32_addr_t addr;
   const char* path;
-  int err;
+  int err = -1;
 
   if (ac == 4) /* stlinkv1 */
   {
@@ -37,6 +37,11 @@ int main(int ac, char** av)
 
   if (sl == NULL) goto on_error;
 
+  if (stlink_current_mode(sl) == STLINK_DEV_DFU_MODE)
+    stlink_exit_dfu_mode(sl);
+  stlink_enter_swd_mode(sl);
+  stlink_reset(sl);
+
   err = stlink_fwrite_flash(sl, path, addr);
   if (err == -1)
   {
@@ -44,6 +49,9 @@ int main(int ac, char** av)
     goto on_error;
   }
 
+  /* success */
+  err = 0;
+
  on_error:
   if (sl != NULL) stlink_close(sl);
 
-- 
2.30.2