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Diffstat (limited to 'src/lib/nvic.c')
-rw-r--r-- | src/lib/nvic.c | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/src/lib/nvic.c b/src/lib/nvic.c new file mode 100644 index 0000000..61e1d34 --- /dev/null +++ b/src/lib/nvic.c @@ -0,0 +1,41 @@ +/* ***************************************************************************** + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * This program 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 General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see <http://www.gnu.org/licenses/>. + * + * Created: 12/18/09 02:36:19 + * Copyright (c) 2009 Perry L. Hung. All rights reserved. + * + * ****************************************************************************/ + +/** + * @file nvic.c + * + * @brief Nested interrupt controller routines + */ + +#include "libmaple.h" +#include "nvic.h" +#include "systick.h" + +void nvic_disable_interrupts(void) { + /* Turn off all interrupts */ + REG_SET(NVIC_ICER0, 0xFFFFFFFF); + REG_SET(NVIC_ICER1, 0xFFFFFFFF); + + /* Turn off systick exception */ + REG_CLEAR_BIT(SYSTICK_CSR, 0); +} + +void nvic_set_vector_table(uint32_t *addr, uint32_t offset) { +// SCB->VTOR = NVIC_VectTab | (Offset & (u32)0x1FFFFF80); +} |