From 0ca18eb09fa648a3cfc3318274e610bb9b3c98aa Mon Sep 17 00:00:00 2001
From: Federico Ruiz Ugalde <fruiz@eie.ucr.ac.cr>
Date: Tue, 25 Jun 2013 20:47:05 -0600
Subject: [PATCH] Added interrupts for f3, Pre_main rutine in vector_chipset,
 nvic.h modified to include f3.

---
 include/libopencm3/dispatch/nvic.h |  2 ++
 lib/dispatch/vector_nvic.c         |  2 ++
 lib/stm32/f3/vector_chipset.c      | 27 +++++++++++++++++++++++++++
 3 files changed, 31 insertions(+)
 create mode 100644 lib/stm32/f3/vector_chipset.c

diff --git a/include/libopencm3/dispatch/nvic.h b/include/libopencm3/dispatch/nvic.h
index 868910d0..d7bf4795 100644
--- a/include/libopencm3/dispatch/nvic.h
+++ b/include/libopencm3/dispatch/nvic.h
@@ -2,6 +2,8 @@
 #	include <libopencm3/stm32/f1/nvic.h>
 #elif defined(STM32F2)
 #	include <libopencm3/stm32/f2/nvic.h>
+#elif defined(STM32F3)
+#	include <libopencm3/stm32/f3/nvic.h>
 #elif defined(STM32F4)
 #	include <libopencm3/stm32/f4/nvic.h>
 #elif defined(STM32L1)
diff --git a/lib/dispatch/vector_nvic.c b/lib/dispatch/vector_nvic.c
index 4241d0c1..edc92094 100644
--- a/lib/dispatch/vector_nvic.c
+++ b/lib/dispatch/vector_nvic.c
@@ -2,6 +2,8 @@
 #	include "../stm32/f1/vector_nvic.c"
 #elif defined(STM32F2)
 #	include "../stm32/f2/vector_nvic.c"
+#elif defined(STM32F3)
+#	include "../stm32/f3/vector_nvic.c"
 #elif defined(STM32F4)
 #	include "../stm32/f4/vector_nvic.c"
 #elif defined(STM32L1)
diff --git a/lib/stm32/f3/vector_chipset.c b/lib/stm32/f3/vector_chipset.c
new file mode 100644
index 00000000..145be057
--- /dev/null
+++ b/lib/stm32/f3/vector_chipset.c
@@ -0,0 +1,27 @@
+/*
+ * This file is part of the libopencm3 project.
+ *
+ * Copyright (C) 2010 Piotr Esden-Tempski <piotr@esden.net>
+ * Copyright (C) 2011 Fergus Noble <fergusnoble@gmail.com>
+ *
+ * This library is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this library.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <libopencm3/cm3/scb.h>
+
+static void pre_main(void)
+{
+	/* Enable access to Floating-Point coprocessor. */
+	SCB_CPACR |= SCB_CPACR_FULL * (SCB_CPACR_CP10 | SCB_CPACR_CP11);
+}