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authorpatacongo <patacongo@42af7a65-404d-4744-a932-0658087f49c3>2012-09-17 18:18:44 +0000
committerpatacongo <patacongo@42af7a65-404d-4744-a932-0658087f49c3>2012-09-17 18:18:44 +0000
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Resync new repository with old repo r5166
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+/************************************************************************************
+ * arch/arm/src/stm32/chip/stm32_exti.h
+ *
+ * Copyright (C) 2009 Gregory Nutt. All rights reserved.
+ * Author: Gregory Nutt <gnutt@nuttx.org>
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in
+ * the documentation and/or other materials provided with the
+ * distribution.
+ * 3. Neither the name NuttX nor the names of its contributors may be
+ * used to endorse or promote products derived from this software
+ * without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+ * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
+ * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+ * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
+ * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *
+ ************************************************************************************/
+
+#ifndef __ARCH_ARM_SRC_STM32_CHIP_STM32_EXTI_H
+#define __ARCH_ARM_SRC_STM32_CHIP_STM32_EXTI_H
+
+/************************************************************************************
+ * Included Files
+ ************************************************************************************/
+
+#include <nuttx/config.h>
+#include "chip.h"
+
+/************************************************************************************
+ * Pre-processor Definitions
+ ************************************************************************************/
+
+#if defined(CONFIG_STM32_STM32F10XX)
+# ifdef CONFIG_STM32_CONNECTIVITYLINE
+# define STM32_NEXTI 20
+# define STM32_EXTI_MASK 0x000fffff
+# else
+# define STM32_NEXTI 19
+# define STM32_EXTI_MASK 0x0007ffff
+# endif
+#elif defined(CONFIG_STM32_STM32F20XX) || defined(CONFIG_STM32_STM32F40XX)
+# define STM32_NEXTI 23
+# define STM32_EXTI_MASK 0x007fffff
+#endif
+
+#define STM32_EXTI_BIT(n) (1 << (n))
+
+/* Register Offsets *****************************************************************/
+
+#define STM32_EXTI_IMR_OFFSET 0x0000 /* Interrupt mask register */
+#define STM32_EXTI_EMR_OFFSET 0x0004 /* Event mask register */
+#define STM32_EXTI_RTSR_OFFSET 0x0008 /* Rising Trigger selection register */
+#define STM32_EXTI_FTSR_OFFSET 0x000c /* Falling Trigger selection register */
+#define STM32_EXTI_SWIER_OFFSET 0x0010 /* Software interrupt event register */
+#define STM32_EXTI_PR_OFFSET 0x0014 /* Pending register */
+
+/* Register Addresses ***************************************************************/
+
+#define STM32_EXTI_IMR (STM32_EXTI_BASE+STM32_EXTI_IMR_OFFSET)
+#define STM32_EXTI_EMR (STM32_EXTI_BASE+STM32_EXTI_EMR_OFFSET)
+#define STM32_EXTI_RTSR (STM32_EXTI_BASE+STM32_EXTI_RTSR_OFFSET)
+#define STM32_EXTI_FTSR (STM32_EXTI_BASE+STM32_EXTI_FTSR_OFFSET)
+#define STM32_EXTI_SWIER (STM32_EXTI_BASE+STM32_EXTI_SWIER_OFFSET)
+#define STM32_EXTI_PR (STM32_EXTI_BASE+STM32_EXTI_PR_OFFSET)
+
+/* Register Bitfield Definitions ****************************************************/
+
+/* EXTI lines > 15 are associated with internal devices: */
+
+#if defined(CONFIG_STM32_STM32F10XX)
+# define EXTI_PVD_LINE (1 << 16) /* EXTI line 16 is connected to the PVD output */
+# define EXTI_RTC_ALARM (1 << 17) /* EXTI line 17 is connected to the RTC Alarm event */
+# define EXTI_USB_WAKEUP (1 << 18) /* EXTI line 18 is connected to the USB Wakeup event */
+# ifdef CONFIG_STM32_CONNECTIVITYLINE
+# define EXTI_ETH_WAKEUP (1 << 19) /* EXTI line 19 is connected to the Ethernet Wakeup event */
+# endif
+#elif defined(CONFIG_STM32_STM32F20XX) || defined(CONFIG_STM32_STM32F40XX)
+# define EXTI_PVD_LINE (1 << 16) /* EXTI line 16 is connected to the PVD output */
+# define EXTI_RTC_ALARM (1 << 17) /* EXTI line 17 is connected to the RTC Alarm event */
+# define EXTI_OTGFS_WAKEUP (1 << 18) /* EXTI line 18 is connected to the USB OTG FS Wakeup event */
+# define EXTI_ETH_WAKEUP (1 << 19) /* EXTI line 19 is connected to the Ethernet Wakeup event */
+# define EXTI_OTGHS_WAKEUP (1 << 20) /* EXTI line 20 is connected to the USB OTG HS Wakeup event */
+# define EXTI_RTC_TAMPER (1 << 21) /* EXTI line 21 is connected to the RTC Tamper and TimeStamp events */
+# define EXTI_RTC_TIMESTAMP (1 << 22) /* EXTI line 21 is connected to the RTC Tamper and TimeStamp events */
+# define EXTI_RTC_WAKEUP (1 << 23) /* EXTI line 22 is connected to the RTC Wakeup event */
+#endif
+
+/* Interrupt mask register */
+
+#define EXTI_IMR_BIT(n) STM32_EXTI_BIT(n) /* 1=Interrupt request from line x is not masked */
+#define EXTI_IMR_SHIFT (0) /* Bits 0-X: Interrupt Mask for all lines */
+#define EXTI_IMR_MASK STM32_EXTI_MASK
+
+/* Event mask register */
+
+#define EXTI_EMR_BIT(n) STM32_EXTI_BIT(n) /* 1=Event request from line x is not mask */
+#define EXTI_EMR_SHIFT (0) /* Bits Bits 0-X: Event Mask for all lines */
+#define EXTI_EMR_MASK STM32_EXTI_MASK
+
+/* Rising Trigger selection register */
+
+#define EXTI_RTSR_BIT(n) STM32_EXTI_BIT(n) /* 1=Rising trigger enabled (for Event and Interrupt) for input line */
+#define EXTI_RTSR_SHIFT (0) /* Bits 0-X: Rising trigger event configuration bit for all lines */
+#define EXTI_RTSR_MASK STM32_EXTI_MASK
+
+/* Falling Trigger selection register */
+
+#define EXTI_FTSR_BIT(n) STM32_EXTI_BIT(n) /* 1=Falling trigger enabled (for Event and Interrupt) for input line */
+#define EXTI_FTSR_SHIFT (0) /* Bits 0-X: Falling trigger event configuration bitfor all lines */
+#define EXTI_FTSR_MASK STM32_EXTI_MASK
+
+/* Software interrupt event register */
+
+#define EXTI_SWIER_BIT(n) STM32_EXTI_BIT(n) /* 1=Sets the corresponding pending bit in EXTI_PR */
+#define EXTI_SWIER_SHIFT (0) /* Bits 0-X: Software Interrupt for all lines */
+#define EXTI_SWIER_MASK STM32_EXTI_MASK
+
+/* Pending register */
+
+#define EXTI_IMR_BIT(n) STM32_EXTI_BIT(n) /* 1=Selected trigger request occurred */
+#define EXTI_IMR_SHIFT (0) /* Bits 0-X: Pending bit for all lines */
+#define EXTI_IMR_MASK STM32_EXTI_MASK
+
+#endif /* __ARCH_ARM_SRC_STM32_CHIP_STM32_EXTI_H */