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Diffstat (limited to 'include/libopencm3/stm32/g0/exti.h')
-rw-r--r-- | include/libopencm3/stm32/g0/exti.h | 85 |
1 files changed, 85 insertions, 0 deletions
diff --git a/include/libopencm3/stm32/g0/exti.h b/include/libopencm3/stm32/g0/exti.h new file mode 100644 index 00000000..88a1c01b --- /dev/null +++ b/include/libopencm3/stm32/g0/exti.h @@ -0,0 +1,85 @@ +/** @defgroup exti_defines EXTI Defines + * + * @ingroup STM32G0xx_defines + * + * @brief <b>Defined Constants and Types for the STM32G0xx EXTI Control</b> + * + * @version 1.0.0 + * + * LGPL License Terms @ref lgpl_license + * */ +/* + * This file is part of the libopencm3 project. + * + * 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/>. + */ + +/**@{*/ +#ifndef LIBOPENCM3_EXTI_H +#define LIBOPENCM3_EXTI_H + +#include <libopencm3/stm32/common/exti_common_all.h> + +/* --- EXTI registers ------------------------------------------------------ */ +#define EXTI_RTSR1 MMIO32(EXTI_BASE + 0x00) +#define EXTI_RTSR EXTI_RTSR1 + +#define EXTI_FTSR1 MMIO32(EXTI_BASE + 0x04) +#define EXTI_FTSR EXTI_FTSR1 + +#define EXTI_SWIER1 MMIO32(EXTI_BASE + 0x08) +#define EXTI_RPR1 MMIO32(EXTI_BASE + 0x0c) +#define EXTI_FPR1 MMIO32(EXTI_BASE + 0x10) + +#define EXTI_EXTICR(i) MMIO32(EXTI_BASE + 0x60 + (i)*4) +#define EXTI_EXTICR1 MMIO32(EXTI_BASE + 0x60) +#define EXTI_EXTICR2 MMIO32(EXTI_BASE + 0x64) +#define EXTI_EXTICR3 MMIO32(EXTI_BASE + 0x68) +#define EXTI_EXTICR4 MMIO32(EXTI_BASE + 0x6c) + +#define EXTI_IMR1 MMIO32(EXTI_BASE + 0x80) +#define EXTI_IMR EXTI_IMR1 + +#define EXTI_EMR1 MMIO32(EXTI_BASE + 0x84) +#define EXTI_EMR EXTI_EMR1 + +#define EXTI_IMR2 MMIO32(EXTI_BASE + 0x90) +#define EXTI_EMR2 MMIO32(EXTI_BASE + 0x94) + +/* --- EXTI_EXTICR Values -------------------------------------------------*/ + +#define EXTI_EXTICR_FIELDSIZE 8 +#define EXTI_EXTICR_GPIOA 0 +#define EXTI_EXTICR_GPIOB 1 +#define EXTI_EXTICR_GPIOC 2 +#define EXTI_EXTICR_GPIOD 3 +#define EXTI_EXTICR_GPIOF 5 + +BEGIN_DECLS + +uint32_t exti_get_rising_flag_status(uint32_t exti); +uint32_t exti_get_falling_flag_status(uint32_t exti); + +void exti_reset_rising_request(uint32_t extis); +void exti_reset_falling_request(uint32_t extis); + +END_DECLS + +#else +/** @cond */ +#warning "exti_common_v1.h should not be included directly, only via exti.h" +#endif +/** @endcond */ + +/**@}*/ |