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[STM32F3] Split out F3 specific exti definitions.

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This commit is contained in:
Piotr Esden-Tempski
2013-07-04 18:10:42 -07:00
parent 590135b65f
commit 74eb5ab84a
8 changed files with 276 additions and 74 deletions
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89
include/libopencm3/stm32/exti.h
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@@ -1,7 +1,9 @@
/* This provides unification of code over STM32F subfamilies */
/*
* This file is part of the libopencm3 project.
*
* Copyright (C) 2010 Mark Butler <mbutler@physics.otago.ac.nz>
* Copyright (C) 2013 Piotr Esden-Tempski <piotr@esden.net>
*
* 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
@@ -17,78 +19,17 @@
* along with this library. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef LIBOPENCM3_EXTI_H
#define LIBOPENCM3_EXTI_H
#include <libopencm3/stm32/memorymap.h>
#include <libopencm3/cm3/common.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)
#if defined (STM32F3)
#define EXTI_IMR2 MMIO32(EXTI_BASE + 0x18)
#define EXTI_EMR2 MMIO32(EXTI_BASE + 0x1C)
#define EXTI_RTSR2 MMIO32(EXTI_BASE + 0x20)
#define EXTI_FTSR2 MMIO32(EXTI_BASE + 0x24)
#define EXTI_SWIER2 MMIO32(EXTI_BASE + 0x28)
#define EXTI_PR2 MMIO32(EXTI_BASE + 0x2C)
#if defined(STM32F1)
# include <libopencm3/stm32/f1/exti.h>
#elif defined(STM32F2)
# include <libopencm3/stm32/f2/exti.h>
#elif defined(STM32F3)
# include <libopencm3/stm32/f3/exti.h>
#elif defined(STM32F4)
# include <libopencm3/stm32/f4/exti.h>
#elif defined(STM32L1)
# include <libopencm3/stm32/l1/exti.h>
#else
# error "stm32 family not defined."
#endif
/* 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)
#if !defined(STM32F3)
#define EXTI20 (1 << 20)
#define EXTI21 (1 << 21)
#define EXTI22 (1 << 22)
#endif
/* Trigger types */
typedef enum trigger_e {
EXTI_TRIGGER_RISING,
EXTI_TRIGGER_FALLING,
EXTI_TRIGGER_BOTH,
} exti_trigger_type;
BEGIN_DECLS
void exti_set_trigger(uint32_t extis, 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