diff options
Diffstat (limited to 'libopencm3/lib/stm32/f4/vector_chipset.c')
| -rw-r--r-- | libopencm3/lib/stm32/f4/vector_chipset.c | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/libopencm3/lib/stm32/f4/vector_chipset.c b/libopencm3/lib/stm32/f4/vector_chipset.c new file mode 100644 index 0000000..145be05 --- /dev/null +++ b/libopencm3/lib/stm32/f4/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); +} |