incubator-nuttx/arch/arm/include/sam34/sam4s_irq.h

288 lines
18 KiB
C

/****************************************************************************************
* arch/arm/include/sam34/sam4s_irq.h
*
* Copyright (C) 2013 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.
*
****************************************************************************************/
/* This file should never be included directed but, rather, only indirectly through
* nuttx/irq.h
*/
#ifndef __ARCH_ARM_INCLUDE_SAM34_SAM4S_IRQ_H
#define __ARCH_ARM_INCLUDE_SAM34_SAM4S_IRQ_H
/****************************************************************************************
* Included Files
****************************************************************************************/
/****************************************************************************************
* Pre-processor Definitions
****************************************************************************************/
/* SAM4S Peripheral Identifiers */
#define SAM_PID_SUPC (0) /* Supply Controller */
#define SAM_PID_RSTC (1) /* Reset Controller */
#define SAM_PID_RTC (2) /* Real Time Clock */
#define SAM_PID_RTT (3) /* Real Time Timer */
#define SAM_PID_WDT (4) /* Watchdog Timer */
#define SAM_PID_PMC (5) /* Power Management Controller */
#define SAM_PID_EEFC0 (6) /* Enhanced Embedded Flash Controller 0 */
#define SAM_PID_EEFC1 (7) /* Enhanced Embedded Flash Controller 1 */
#define SAM_PID_UART0 (8) /* Universal Asynchronous Receiver Transmitter 0 */
#define SAM_PID_UART1 (9) /* Universal Asynchronous Receiver Transmitter 1 */
#define SAM_PID_SMC (10) /* Static Memory Controller */
#define SAM_PID_PIOA (11) /* Parallel I/O Controller A */
#define SAM_PID_PIOB (12) /* Parallel I/O Controller B */
#define SAM_PID_PIOC (13) /* Parallel I/O Controller C */
#define SAM_PID_USART0 (14) /* USART 0 */
#define SAM_PID_USART1 (15) /* USART 1 */
#define SAM_PID_RESERVED_16 (16) /* Reserved */
#define SAM_PID_RESERVED_17 (17) /* Reserved */
#define SAM_PID_HSMCI (18) /* High Speed Multimedia Card Interface */
#define SAM_PID_TWI0 (19) /* Two-Wire Interface 0 */
#define SAM_PID_TWI1 (20) /* Two-Wire Interface 1 */
#define SAM_PID_SPI0 (21) /* Serial Peripheral Interface */
#define SAM_PID_SSC (22) /* Synchronous Serial Controller */
#define SAM_PID_TC0 (23) /* Timer Counter 0 */
#define SAM_PID_TC1 (24) /* Timer Counter 1 */
#define SAM_PID_TC2 (25) /* Timer Counter 2 */
#define SAM_PID_TC3 (26) /* Timer Counter 3 */
#define SAM_PID_TC4 (27) /* Timer Counter 4 */
#define SAM_PID_TC5 (28) /* Timer Counter 5 */
#define SAM_PID_ADC (29) /* Analog To Digital Converter */
#define SAM_PID_DACC (30) /* Digital To Analog Converter */
#define SAM_PID_PWM (31) /* Pulse Width Modulation */
#define SAM_PID_CRCCU (32) /* CRC Calculation Unit */
#define SAM_PID_ACC (33) /* Analog Comparator */
#define SAM_PID_UDP (34) /* USB Device Port */
#define NR_PIDS (35) /* Number of peripheral identifiers */
/* External interrupts (vectors >= 16) */
#define SAM_IRQ_SUPC (SAM_IRQ_EXTINT+SAM_PID_SUPC) /* PID 0: Supply Controller */
#define SAM_IRQ_RSTC (SAM_IRQ_EXTINT+SAM_PID_RSTC) /* PID 1: Reset Controller */
#define SAM_IRQ_RTC (SAM_IRQ_EXTINT+SAM_PID_RTC) /* PID 2: Real Time Clock */
#define SAM_IRQ_RTT (SAM_IRQ_EXTINT+SAM_PID_RTT) /* PID 3: Real Time Timer */
#define SAM_IRQ_WDT (SAM_IRQ_EXTINT+SAM_PID_WDT) /* PID 4: Watchdog Timer */
#define SAM_IRQ_PMC (SAM_IRQ_EXTINT+SAM_PID_PMC) /* PID 5: Power Management Controller */
#define SAM_IRQ_EEFC0 (SAM_IRQ_EXTINT+SAM_PID_EEFC0) /* PID 6: Enhanced Embedded Flash Controller 0 */
#define SAM_IRQ_EEFC1 (SAM_IRQ_EXTINT+SAM_PID_EEFC1) /* PID 7: Enhanced Embedded Flash Controller 1 */
#define SAM_IRQ_UART0 (SAM_IRQ_EXTINT+SAM_PID_UART0) /* PID 8: Universal Asynchronous Receiver Transmitter 0 */
#define SAM_IRQ_UART1 (SAM_IRQ_EXTINT+SAM_PID_UART1) /* PID 9: Universal Asynchronous Receiver Transmitter 1 */
#define SAM_IRQ_SMC (SAM_IRQ_EXTINT+SAM_PID_SMC) /* PID 10: Static Memory Controller */
#define SAM_IRQ_PIOA (SAM_IRQ_EXTINT+SAM_PID_PIOA) /* PID 11: Parallel I/O Controller A */
#define SAM_IRQ_PIOB (SAM_IRQ_EXTINT+SAM_PID_PIOB) /* PID 12: Parallel I/O Controller B */
#define SAM_IRQ_PIOC (SAM_IRQ_EXTINT+SAM_PID_PIOC) /* PID 13: Parallel I/O Controller C */
#define SAM_IRQ_USART0 (SAM_IRQ_EXTINT+SAM_PID_USART0) /* PID 14: USART 0 */
#define SAM_IRQ_USART1 (SAM_IRQ_EXTINT+SAM_PID_USART1) /* PID 15: USART 1 */
#define SAM_IRQ_RESERVED_16 (SAM_IRQ_EXTINT+SAM_PID_RESERVED_16) /* PID 16: Reserved */
#define SAM_IRQ_RESERVED_17 (SAM_IRQ_EXTINT+SAM_PID_RESERVED_17) /* PID 17: Reserved */
#define SAM_IRQ_HSMCI (SAM_IRQ_EXTINT+SAM_PID_HSMCI) /* PID 18: High Speed Multimedia Card Interface */
#define SAM_IRQ_TWI0 (SAM_IRQ_EXTINT+SAM_PID_TWI0) /* PID 19: Two-Wire Interface 0 */
#define SAM_IRQ_TWI1 (SAM_IRQ_EXTINT+SAM_PID_TWI1) /* PID 20: Two-Wire Interface 1 */
#define SAM_IRQ_SPI0 (SAM_IRQ_EXTINT+SAM_PID_SPI0) /* PIC 21: Serial Peripheral Interface */
#define SAM_IRQ_SSC (SAM_IRQ_EXTINT+SAM_PID_SSC) /* PID 22: Synchronous Serial Controller */
#define SAM_IRQ_TC0 (SAM_IRQ_EXTINT+SAM_PID_TC0) /* PID 23: Timer Counter 0 */
#define SAM_IRQ_TC1 (SAM_IRQ_EXTINT+SAM_PID_TC1) /* PID 24: Timer Counter 1 */
#define SAM_IRQ_TC2 (SAM_IRQ_EXTINT+SAM_PID_TC2) /* PID 25: Timer Counter 2 */
#define SAM_IRQ_TC3 (SAM_IRQ_EXTINT+SAM_PID_TC3) /* PID 26: Timer Counter 3 */
#define SAM_IRQ_TC4 (SAM_IRQ_EXTINT+SAM_PID_TC4) /* PID 27: Timer Counter 4 */
#define SAM_IRQ_TC5 (SAM_IRQ_EXTINT+SAM_PID_TC5) /* PID 28: Timer Counter 5 */
#define SAM_IRQ_ADC (SAM_IRQ_EXTINT+SAM_PID_ADC) /* PID 29: Analog To Digital Converter */
#define SAM_IRQ_DACC (SAM_IRQ_EXTINT+SAM_PID_DACC) /* PID 30: Digital To Analog Converter */
#define SAM_IRQ_PWM (SAM_IRQ_EXTINT+SAM_PID_PWM) /* PID 31: Pulse Width Modulation */
#define SAM_IRQ_CRCCU (SAM_IRQ_EXTINT+SAM_PID_CRCCU) /* PID 32: CRC Calculation Unit */
#define SAM_IRQ_ACC (SAM_IRQ_EXTINT+SAM_PID_ACC) /* PID 33: Analog Comparator */
#define SAM_IRQ_UDP (SAM_IRQ_EXTINT+SAM_PID_UDP) /* PID 34: USB Device Port */
#define SAM_IRQ_NEXTINT NR_PIDS /* Total number of external interrupt numbers */
#define SAM_IRQ_NIRQS (SAM_IRQ_EXTINT + NR_PIDS) /* The number of real IRQs */
/* GPIO interrupts (derived from SAM_IRQ_PIOA/B/C) */
#ifdef CONFIG_SAM34_GPIOA_IRQ
# define SAM_IRQ_GPIOA_PINS (SAM_IRQ_EXTINT + SAM_IRQ_NEXTINT)
# define SAM_IRQ_PA0 (SAM_IRQ_GPIOA_PINS+0) /* GPIOA, PIN 0 */
# define SAM_IRQ_PA1 (SAM_IRQ_GPIOA_PINS+1) /* GPIOA, PIN 1 */
# define SAM_IRQ_PA2 (SAM_IRQ_GPIOA_PINS+2) /* GPIOA, PIN 2 */
# define SAM_IRQ_PA3 (SAM_IRQ_GPIOA_PINS+3) /* GPIOA, PIN 3 */
# define SAM_IRQ_PA4 (SAM_IRQ_GPIOA_PINS+4) /* GPIOA, PIN 4 */
# define SAM_IRQ_PA5 (SAM_IRQ_GPIOA_PINS+5) /* GPIOA, PIN 5 */
# define SAM_IRQ_PA6 (SAM_IRQ_GPIOA_PINS+6) /* GPIOA, PIN 6 */
# define SAM_IRQ_PA7 (SAM_IRQ_GPIOA_PINS+7) /* GPIOA, PIN 7 */
# define SAM_IRQ_PA8 (SAM_IRQ_GPIOA_PINS+8) /* GPIOA, PIN 8 */
# define SAM_IRQ_PA9 (SAM_IRQ_GPIOA_PINS+9) /* GPIOA, PIN 9 */
# define SAM_IRQ_PA10 (SAM_IRQ_GPIOA_PINS+10) /* GPIOA, PIN 10 */
# define SAM_IRQ_PA11 (SAM_IRQ_GPIOA_PINS+11) /* GPIOA, PIN 11 */
# define SAM_IRQ_PA12 (SAM_IRQ_GPIOA_PINS+12) /* GPIOA, PIN 12 */
# define SAM_IRQ_PA13 (SAM_IRQ_GPIOA_PINS+13) /* GPIOA, PIN 13 */
# define SAM_IRQ_PA14 (SAM_IRQ_GPIOA_PINS+14) /* GPIOA, PIN 14 */
# define SAM_IRQ_PA15 (SAM_IRQ_GPIOA_PINS+15) /* GPIOA, PIN 15 */
# define SAM_IRQ_PA16 (SAM_IRQ_GPIOA_PINS+16) /* GPIOA, PIN 16 */
# define SAM_IRQ_PA17 (SAM_IRQ_GPIOA_PINS+17) /* GPIOA, PIN 17 */
# define SAM_IRQ_PA18 (SAM_IRQ_GPIOA_PINS+18) /* GPIOA, PIN 18 */
# define SAM_IRQ_PA19 (SAM_IRQ_GPIOA_PINS+19) /* GPIOA, PIN 19 */
# define SAM_IRQ_PA20 (SAM_IRQ_GPIOA_PINS+20) /* GPIOA, PIN 20 */
# define SAM_IRQ_PA21 (SAM_IRQ_GPIOA_PINS+21) /* GPIOA, PIN 21 */
# define SAM_IRQ_PA22 (SAM_IRQ_GPIOA_PINS+22) /* GPIOA, PIN 22 */
# define SAM_IRQ_PA23 (SAM_IRQ_GPIOA_PINS+23) /* GPIOA, PIN 23 */
# define SAM_IRQ_PA24 (SAM_IRQ_GPIOA_PINS+24) /* GPIOA, PIN 24 */
# define SAM_IRQ_PA25 (SAM_IRQ_GPIOA_PINS+25) /* GPIOA, PIN 25 */
# define SAM_IRQ_PA26 (SAM_IRQ_GPIOA_PINS+26) /* GPIOA, PIN 26 */
# define SAM_IRQ_PA27 (SAM_IRQ_GPIOA_PINS+27) /* GPIOA, PIN 27 */
# define SAM_IRQ_PA28 (SAM_IRQ_GPIOA_PINS+28) /* GPIOA, PIN 28 */
# define SAM_IRQ_PA29 (SAM_IRQ_GPIOA_PINS+29) /* GPIOA, PIN 29 */
# define SAM_IRQ_PA30 (SAM_IRQ_GPIOA_PINS+30) /* GPIOA, PIN 30 */
# define SAM_IRQ_PA31 (SAM_IRQ_GPIOA_PINS+31) /* GPIOA, PIN 31 */
# define SAM_NGPIOAIRQS 32
#else
# define SAM_NGPIOAIRQS 0
#endif
#ifdef CONFIG_SAM34_GPIOB_IRQ
# define SAM_IRQ_GPIOB_PINS (SAM_IRQ_EXTINT + SAM_IRQ_NEXTINT + SAM_NGPIOAIRQS)
# define SAM_IRQ_PB0 (SAM_IRQ_GPIOB_PINS+0) /* GPIOB, PIN 0 */
# define SAM_IRQ_PB1 (SAM_IRQ_GPIOB_PINS+1) /* GPIOB, PIN 1 */
# define SAM_IRQ_PB2 (SAM_IRQ_GPIOB_PINS+2) /* GPIOB, PIN 2 */
# define SAM_IRQ_PB3 (SAM_IRQ_GPIOB_PINS+3) /* GPIOB, PIN 3 */
# define SAM_IRQ_PB4 (SAM_IRQ_GPIOB_PINS+4) /* GPIOB, PIN 4 */
# define SAM_IRQ_PB5 (SAM_IRQ_GPIOB_PINS+5) /* GPIOB, PIN 5 */
# define SAM_IRQ_PB6 (SAM_IRQ_GPIOB_PINS+6) /* GPIOB, PIN 6 */
# define SAM_IRQ_PB7 (SAM_IRQ_GPIOB_PINS+7) /* GPIOB, PIN 7 */
# define SAM_IRQ_PB8 (SAM_IRQ_GPIOB_PINS+8) /* GPIOB, PIN 8 */
# define SAM_IRQ_PB9 (SAM_IRQ_GPIOB_PINS+9) /* GPIOB, PIN 9 */
# define SAM_IRQ_PB10 (SAM_IRQ_GPIOB_PINS+10) /* GPIOB, PIN 10 */
# define SAM_IRQ_PB11 (SAM_IRQ_GPIOB_PINS+11) /* GPIOB, PIN 11 */
# define SAM_IRQ_PB12 (SAM_IRQ_GPIOB_PINS+12) /* GPIOB, PIN 12 */
# define SAM_IRQ_PB13 (SAM_IRQ_GPIOB_PINS+13) /* GPIOB, PIN 13 */
# define SAM_IRQ_PB14 (SAM_IRQ_GPIOB_PINS+14) /* GPIOB, PIN 14 */
# define SAM_IRQ_PB15 (SAM_IRQ_GPIOB_PINS+15) /* GPIOB, PIN 15 */
# define SAM_IRQ_PB16 (SAM_IRQ_GPIOB_PINS+16) /* GPIOB, PIN 16 */
# define SAM_IRQ_PB17 (SAM_IRQ_GPIOB_PINS+17) /* GPIOB, PIN 17 */
# define SAM_IRQ_PB18 (SAM_IRQ_GPIOB_PINS+18) /* GPIOB, PIN 18 */
# define SAM_IRQ_PB19 (SAM_IRQ_GPIOB_PINS+19) /* GPIOB, PIN 19 */
# define SAM_IRQ_PB20 (SAM_IRQ_GPIOB_PINS+20) /* GPIOB, PIN 20 */
# define SAM_IRQ_PB21 (SAM_IRQ_GPIOB_PINS+21) /* GPIOB, PIN 21 */
# define SAM_IRQ_PB22 (SAM_IRQ_GPIOB_PINS+22) /* GPIOB, PIN 22 */
# define SAM_IRQ_PB23 (SAM_IRQ_GPIOB_PINS+23) /* GPIOB, PIN 23 */
# define SAM_IRQ_PB24 (SAM_IRQ_GPIOB_PINS+24) /* GPIOB, PIN 24 */
# define SAM_IRQ_PB25 (SAM_IRQ_GPIOB_PINS+25) /* GPIOB, PIN 25 */
# define SAM_IRQ_PB26 (SAM_IRQ_GPIOB_PINS+26) /* GPIOB, PIN 26 */
# define SAM_IRQ_PB27 (SAM_IRQ_GPIOB_PINS+27) /* GPIOB, PIN 27 */
# define SAM_IRQ_PB28 (SAM_IRQ_GPIOB_PINS+28) /* GPIOB, PIN 28 */
# define SAM_IRQ_PB29 (SAM_IRQ_GPIOB_PINS+29) /* GPIOB, PIN 29 */
# define SAM_IRQ_PB30 (SAM_IRQ_GPIOB_PINS+30) /* GPIOB, PIN 30 */
# define SAM_IRQ_PB31 (SAM_IRQ_GPIOB_PINS+31) /* GPIOB, PIN 31 */
# define SAM_NGPIOBIRQS 32
#else
# define SAM_NGPIOBIRQS 0
#endif
#ifdef CONFIG_SAM34_GPIOC_IRQ
# define SAM_IRQ_GPIOC_PINS (SAM_IRQ_EXTINT + SAM_IRQ_NEXTINT + SAM_NGPIOAIRQS + SAM_NGPIOBIRQS)
# define SAM_IRQ_PC0 (SAM_IRQ_GPIOC_PINS+0) /* GPIOC, PIN 0 */
# define SAM_IRQ_PC1 (SAM_IRQ_GPIOC_PINS+1) /* GPIOC, PIN 1 */
# define SAM_IRQ_PC2 (SAM_IRQ_GPIOC_PINS+2) /* GPIOC, PIN 2 */
# define SAM_IRQ_PC3 (SAM_IRQ_GPIOC_PINS+3) /* GPIOC, PIN 3 */
# define SAM_IRQ_PC4 (SAM_IRQ_GPIOC_PINS+4) /* GPIOC, PIN 4 */
# define SAM_IRQ_PC5 (SAM_IRQ_GPIOC_PINS+5) /* GPIOC, PIN 5 */
# define SAM_IRQ_PC6 (SAM_IRQ_GPIOC_PINS+6) /* GPIOC, PIN 6 */
# define SAM_IRQ_PC7 (SAM_IRQ_GPIOC_PINS+7) /* GPIOC, PIN 7 */
# define SAM_IRQ_PC8 (SAM_IRQ_GPIOC_PINS+8) /* GPIOC, PIN 8 */
# define SAM_IRQ_PC9 (SAM_IRQ_GPIOC_PINS+9) /* GPIOC, PIN 9 */
# define SAM_IRQ_PC10 (SAM_IRQ_GPIOC_PINS+10) /* GPIOC, PIN 10 */
# define SAM_IRQ_PC11 (SAM_IRQ_GPIOC_PINS+11) /* GPIOC, PIN 11 */
# define SAM_IRQ_PC12 (SAM_IRQ_GPIOC_PINS+12) /* GPIOC, PIN 12 */
# define SAM_IRQ_PC13 (SAM_IRQ_GPIOC_PINS+13) /* GPIOC, PIN 13 */
# define SAM_IRQ_PC14 (SAM_IRQ_GPIOC_PINS+14) /* GPIOC, PIN 14 */
# define SAM_IRQ_PC15 (SAM_IRQ_GPIOC_PINS+15) /* GPIOC, PIN 15 */
# define SAM_IRQ_PC16 (SAM_IRQ_GPIOC_PINS+16) /* GPIOC, PIN 16 */
# define SAM_IRQ_PC17 (SAM_IRQ_GPIOC_PINS+17) /* GPIOC, PIN 17 */
# define SAM_IRQ_PC18 (SAM_IRQ_GPIOC_PINS+18) /* GPIOC, PIN 18 */
# define SAM_IRQ_PC19 (SAM_IRQ_GPIOC_PINS+19) /* GPIOC, PIN 19 */
# define SAM_IRQ_PC20 (SAM_IRQ_GPIOC_PINS+20) /* GPIOC, PIN 20 */
# define SAM_IRQ_PC21 (SAM_IRQ_GPIOC_PINS+21) /* GPIOC, PIN 21 */
# define SAM_IRQ_PC22 (SAM_IRQ_GPIOC_PINS+22) /* GPIOC, PIN 22 */
# define SAM_IRQ_PC23 (SAM_IRQ_GPIOC_PINS+23) /* GPIOC, PIN 23 */
# define SAM_IRQ_PC24 (SAM_IRQ_GPIOC_PINS+24) /* GPIOC, PIN 24 */
# define SAM_IRQ_PC25 (SAM_IRQ_GPIOC_PINS+25) /* GPIOC, PIN 25 */
# define SAM_IRQ_PC26 (SAM_IRQ_GPIOC_PINS+26) /* GPIOC, PIN 26 */
# define SAM_IRQ_PC27 (SAM_IRQ_GPIOC_PINS+27) /* GPIOC, PIN 27 */
# define SAM_IRQ_PC28 (SAM_IRQ_GPIOC_PINS+28) /* GPIOC, PIN 28 */
# define SAM_IRQ_PC29 (SAM_IRQ_GPIOC_PINS+29) /* GPIOC, PIN 29 */
# define SAM_IRQ_PC30 (SAM_IRQ_GPIOC_PINS+30) /* GPIOC, PIN 30 */
# define SAM_IRQ_PC31 (SAM_IRQ_GPIOC_PINS+31) /* GPIOC, PIN 31 */
# define SAM_NGPIOCIRQS 32
#else
# define SAM_NGPIOCIRQS 0
#endif
/* Total number of IRQ numbers */
#define NR_VECTORS SAM_IRQ_NIRQS
#define NR_IRQS (SAM_IRQ_EXTINT + SAM_IRQ_NEXTINT + \
SAM_NGPIOAIRQS + SAM_NGPIOBIRQS + SAM_NGPIOCIRQS)
/****************************************************************************************
* Public Types
****************************************************************************************/
/****************************************************************************************
* Inline functions
****************************************************************************************/
/****************************************************************************************
* Public Variables
****************************************************************************************/
/****************************************************************************************
* Public Function Prototypes
****************************************************************************************/
#ifndef __ASSEMBLY__
#ifdef __cplusplus
#define EXTERN extern "C"
extern "C" {
#else
#define EXTERN extern
#endif
#undef EXTERN
#ifdef __cplusplus
}
#endif
#endif
#endif /* __ARCH_ARM_INCLUDE_SAM34_SAM4S_IRQ_H */