From 1dc7d758f96dd2b9bd7b03f01ca032d68b696cf0 Mon Sep 17 00:00:00 2001 From: root Date: Sun, 2 Nov 2014 10:14:39 +0000 Subject: fish --- libopencm3/lib/cm3/scb.c | 47 +++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 47 insertions(+) create mode 100644 libopencm3/lib/cm3/scb.c (limited to 'libopencm3/lib/cm3/scb.c') diff --git a/libopencm3/lib/cm3/scb.c b/libopencm3/lib/cm3/scb.c new file mode 100644 index 0000000..8c5a2f3 --- /dev/null +++ b/libopencm3/lib/cm3/scb.c @@ -0,0 +1,47 @@ +/* + * This file is part of the libopencm3 project. + * + * Copyright (C) 2010 Gareth McMullin + * + * 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 . + */ + +#include + +#include + +/* Those are defined only on CM3 or CM4 */ +#if defined(__ARM_ARCH_7M__) || defined(__ARM_ARCH_7EM__) +void scb_reset_core(void) +{ + SCB_AIRCR = SCB_AIRCR_VECTKEY | SCB_AIRCR_VECTRESET; + + while (1); +} +#endif + +void scb_reset_system(void) +{ + SCB_AIRCR = SCB_AIRCR_VECTKEY | SCB_AIRCR_SYSRESETREQ; + + while (1); +} + +/* Those are defined only on CM3 or CM4 */ +#if defined(__ARM_ARCH_7M__) || defined(__ARM_ARCH_7EM__) +void scb_set_priority_grouping(uint32_t prigroup) +{ + SCB_AIRCR = SCB_AIRCR_VECTKEY | prigroup; +} +#endif -- cgit v1.2.3