diff options
Diffstat (limited to 'libopencm3/include/libopencm3/stm32/common/exti_common_all.h')
| -rw-r--r-- | libopencm3/include/libopencm3/stm32/common/exti_common_all.h | 87 |
1 files changed, 87 insertions, 0 deletions
diff --git a/libopencm3/include/libopencm3/stm32/common/exti_common_all.h b/libopencm3/include/libopencm3/stm32/common/exti_common_all.h new file mode 100644 index 0000000..317c267 --- /dev/null +++ b/libopencm3/include/libopencm3/stm32/common/exti_common_all.h @@ -0,0 +1,87 @@ +/** @addtogroup exti_defines + * + * @author @htmlonly © @endhtmlonly 2010 + * Mark Butler <mbutler@physics.otago.ac.nz> + */ +/* + * This file is part of the libopencm3 project. + * + * Copyright (C) 2010 Mark Butler <mbutler@physics.otago.ac.nz> + * + * 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/>. + */ + +/** @cond */ +#if defined(LIBOPENCM3_EXTI_H) +/** @endcond */ +#ifndef LIBOPENCM3_EXTI_COMMON_ALL_H +#define LIBOPENCM3_EXTI_COMMON_ALL_H +/**@{*/ + +/* --- EXTI registers ------------------------------------------------------ */ + +#define EXTI_IMR MMIO32(EXTI_BASE + 0x00) +#define EXTI_EMR MMIO32(EXTI_BASE + 0x04) +#define EXTI_RTSR MMIO32(EXTI_BASE + 0x08) +#define EXTI_FTSR MMIO32(EXTI_BASE + 0x0c) +#define EXTI_SWIER MMIO32(EXTI_BASE + 0x10) +#define EXTI_PR MMIO32(EXTI_BASE + 0x14) + +/* EXTI number definitions */ +#define EXTI0 (1 << 0) +#define EXTI1 (1 << 1) +#define EXTI2 (1 << 2) +#define EXTI3 (1 << 3) +#define EXTI4 (1 << 4) +#define EXTI5 (1 << 5) +#define EXTI6 (1 << 6) +#define EXTI7 (1 << 7) +#define EXTI8 (1 << 8) +#define EXTI9 (1 << 9) +#define EXTI10 (1 << 10) +#define EXTI11 (1 << 11) +#define EXTI12 (1 << 12) +#define EXTI13 (1 << 13) +#define EXTI14 (1 << 14) +#define EXTI15 (1 << 15) +#define EXTI16 (1 << 16) +#define EXTI17 (1 << 17) +#define EXTI18 (1 << 18) +#define EXTI19 (1 << 19) + +/* Trigger types */ +enum exti_trigger_type { + EXTI_TRIGGER_RISING, + EXTI_TRIGGER_FALLING, + EXTI_TRIGGER_BOTH, +}; + +BEGIN_DECLS + +void exti_set_trigger(uint32_t extis, enum exti_trigger_type trig); +void exti_enable_request(uint32_t extis); +void exti_disable_request(uint32_t extis); +void exti_reset_request(uint32_t extis); +void exti_select_source(uint32_t exti, uint32_t gpioport); +uint32_t exti_get_flag_status(uint32_t exti); + +END_DECLS +/**@}*/ + +#endif +/** @cond */ +#else +#warning "exti_common_all.h should not be included directly, only via exti.h" +#endif +/** @endcond */ |