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author | patacongo <patacongo@42af7a65-404d-4744-a932-0658087f49c3> | 2012-09-17 18:18:44 +0000 |
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committer | patacongo <patacongo@42af7a65-404d-4744-a932-0658087f49c3> | 2012-09-17 18:18:44 +0000 |
commit | 57623d42ebb04f0a0b9e6eb7c0847a3ece2aa0ff (patch) | |
tree | 25d07d14e920d31c0b1947c9ca586f2a01fc32d8 /nuttx/arch/arm/src/stm32/chip/stm32_exti.h | |
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Resync new repository with old repo r5166
git-svn-id: http://svn.code.sf.net/p/nuttx/code/trunk@5153 42af7a65-404d-4744-a932-0658087f49c3
Diffstat (limited to 'nuttx/arch/arm/src/stm32/chip/stm32_exti.h')
-rw-r--r-- | nuttx/arch/arm/src/stm32/chip/stm32_exti.h | 141 |
1 files changed, 141 insertions, 0 deletions
diff --git a/nuttx/arch/arm/src/stm32/chip/stm32_exti.h b/nuttx/arch/arm/src/stm32/chip/stm32_exti.h new file mode 100644 index 000000000..5386a260f --- /dev/null +++ b/nuttx/arch/arm/src/stm32/chip/stm32_exti.h @@ -0,0 +1,141 @@ +/************************************************************************************ + * 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 */ |