/************************************************************************************ * arch/arm/include/tiva/irq.h * * Copyright (C) 2009-2011 Gregory Nutt. All rights reserved. * Author: Gregory Nutt * * 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_INCLUDE_TIVA_IRQ_H #define __ARCH_ARM_INCLUDE_TIVA_IRQ_H /************************************************************************************ * Included Files ************************************************************************************/ #include #include #include /************************************************************************************ * Pre-processor Definitions ************************************************************************************/ #if defined(CONFIG_ARCH_CHIP_LM3S) || defined(CONFIG_ARCH_CHIP_LM4F) || \ defined(CONFIG_ARCH_CHIP_CC3200) /* I don't believe that any of these families support interrupts on port J. Many * do not support interrupts on port H either. */ # undef CONFIG_TIVA_GPIOJ_IRQS #elif defined(CONFIG_ARCH_CHIP_TM4C) /* The TM4C123GH6PMI supports ports A-F of which any can support interrupts */ # if defined(CONFIG_ARCH_CHIP_TM4C123GH6PMI) # undef CONFIG_TIVA_GPIOP_IRQS /* P-Q */ # undef CONFIG_TIVA_GPIOQ_IRQS /* The TM4C123GH6PGE supports interrupts on port P */ # elif defined(CONFIG_ARCH_CHIP_TM4C123GH6PGE) # undef CONFIG_TIVA_GPIOA_IRQS /* A-F */ # undef CONFIG_TIVA_GPIOB_IRQS # undef CONFIG_TIVA_GPIOC_IRQS # undef CONFIG_TIVA_GPIOD_IRQS # undef CONFIG_TIVA_GPIOE_IRQS # undef CONFIG_TIVA_GPIOF_IRQS # undef CONFIG_TIVA_GPIOQ_IRQS /* Q */ /* The TM4C123GH6ZRB and the TM4C129x support interrupts only on ports P and Q. */ # else # undef CONFIG_TIVA_GPIOA_IRQS /* A-F */ # undef CONFIG_TIVA_GPIOB_IRQS # undef CONFIG_TIVA_GPIOC_IRQS # undef CONFIG_TIVA_GPIOD_IRQS # undef CONFIG_TIVA_GPIOE_IRQS # undef CONFIG_TIVA_GPIOF_IRQS # endif /* No supported architecture supports interrupts on ports G-N or R-T */ # undef CONFIG_TIVA_GPIOG_IRQS /* G-N */ # undef CONFIG_TIVA_GPIOH_IRQS # undef CONFIG_TIVA_GPIOJ_IRQS # undef CONFIG_TIVA_GPIOK_IRQS # undef CONFIG_TIVA_GPIOL_IRQS # undef CONFIG_TIVA_GPIOM_IRQS # undef CONFIG_TIVA_GPION_IRQS # undef CONFIG_TIVA_GPIOR_IRQS /* R-T */ # undef CONFIG_TIVA_GPIOS_IRQS # undef CONFIG_TIVA_GPIOT_IRQS #endif /* Mark GPIO interrupts as disabled for non-existent GPIO ports. */ #if TIVA_NPORTS < 1 # undef CONFIG_TIVA_GPIOA_IRQS #endif #if TIVA_NPORTS < 2 # undef CONFIG_TIVA_GPIOB_IRQS #endif #if TIVA_NPORTS < 3 # undef CONFIG_TIVA_GPIOC_IRQS #endif #if TIVA_NPORTS < 4 # undef CONFIG_TIVA_GPIOD_IRQS #endif #if TIVA_NPORTS < 5 # undef CONFIG_TIVA_GPIOE_IRQS #endif #if TIVA_NPORTS < 6 # undef CONFIG_TIVA_GPIOF_IRQS #endif #if TIVA_NPORTS < 7 # undef CONFIG_TIVA_GPIOG_IRQS #endif #if TIVA_NPORTS < 8 # undef CONFIG_TIVA_GPIOH_IRQS #endif #if TIVA_NPORTS < 9 # undef CONFIG_TIVA_GPIOJ_IRQS #endif #if TIVA_NPORTS < 10 # undef CONFIG_TIVA_GPIOK_IRQS #endif #if TIVA_NPORTS < 11 # undef CONFIG_TIVA_GPIOL_IRQS #endif #if TIVA_NPORTS < 12 # undef CONFIG_TIVA_GPIOM_IRQS #endif #if TIVA_NPORTS < 13 # undef CONFIG_TIVA_GPION_IRQS #endif #if TIVA_NPORTS < 14 # undef CONFIG_TIVA_GPIOP_IRQS #endif #if TIVA_NPORTS < 15 # undef CONFIG_TIVA_GPIOQ_IRQS #endif #if TIVA_NPORTS < 16 # undef CONFIG_TIVA_GPIOQ_IRQS #endif #if TIVA_NPORTS < 17 # undef CONFIG_TIVA_GPIOQ_IRQS #endif #if TIVA_NPORTS < 18 # undef CONFIG_TIVA_GPIOQ_IRQS #endif /* Processor Exceptions (vectors 0-15) */ #define TIVA_IRQ_RESERVED (0) /* Reserved vector (only used with CONFIG_DEBUG) */ /* Vector 0: Reset stack pointer value */ /* Vector 1: Reset (not handler as an IRQ) */ #define TIVA_IRQ_NMI (2) /* Vector 2: Non-Maskable Interrupt (NMI) */ #define TIVA_IRQ_HARDFAULT (3) /* Vector 3: Hard fault */ #define TIVA_IRQ_MEMFAULT (4) /* Vector 4: Memory management (MPU) */ #define TIVA_IRQ_BUSFAULT (5) /* Vector 5: Bus fault */ #define TIVA_IRQ_USAGEFAULT (6) /* Vector 6: Usage fault */ #define TIVA_IRQ_SVCALL (11) /* Vector 11: SVC call */ #define TIVA_IRQ_DBGMONITOR (12) /* Vector 12: Debug Monitor */ /* Vector 13: Reserved */ #define TIVA_IRQ_PENDSV (14) /* Vector 14: Pendable system service request */ #define TIVA_IRQ_SYSTICK (15) /* Vector 15: System tick */ #if defined(CONFIG_ARCH_CHIP_LM3S) # include #elif defined(CONFIG_ARCH_CHIP_LM4F) # include #elif defined(CONFIG_ARCH_CHIP_TM4C) # include #elif defined(CONFIG_ARCH_CHIP_CC3200) # include #else # error "Unsupported Stellaris IRQ file" #endif #define NR_VECTORS (NR_IRQS - 16) /* GPIO IRQs -- Note that support for individual GPIO ports can * be disabled in order to reduce the size of the implementation. */ #if defined(CONFIG_TIVA_GPIOA_IRQS) # define TIVA_IRQ_GPIOA_0 (NR_IRQS + 0) # define TIVA_IRQ_GPIOA_1 (NR_IRQS + 1) # define TIVA_IRQ_GPIOA_2 (NR_IRQS + 2) # define TIVA_IRQ_GPIOA_3 (NR_IRQS + 3) # define TIVA_IRQ_GPIOA_4 (NR_IRQS + 4) # define TIVA_IRQ_GPIOA_5 (NR_IRQS + 5) # define TIVA_IRQ_GPIOA_6 (NR_IRQS + 6) # define TIVA_IRQ_GPIOA_7 (NR_IRQS + 7) # define _NGPIOAIRQS (NR_IRQS + 8) #else # define _NGPIOAIRQS NR_IRQS #endif #if defined(CONFIG_TIVA_GPIOB_IRQS) # define TIVA_IRQ_GPIOB_0 (_NGPIOAIRQS + 0) # define TIVA_IRQ_GPIOB_1 (_NGPIOAIRQS + 1) # define TIVA_IRQ_GPIOB_2 (_NGPIOAIRQS + 2) # define TIVA_IRQ_GPIOB_3 (_NGPIOAIRQS + 3) # define TIVA_IRQ_GPIOB_4 (_NGPIOAIRQS + 4) # define TIVA_IRQ_GPIOB_5 (_NGPIOAIRQS + 5) # define TIVA_IRQ_GPIOB_6 (_NGPIOAIRQS + 6) # define TIVA_IRQ_GPIOB_7 (_NGPIOAIRQS + 7) # define _NGPIOBIRQS (_NGPIOAIRQS + 8) #else # define _NGPIOBIRQS _NGPIOAIRQS #endif #if defined(CONFIG_TIVA_GPIOC_IRQS) # define TIVA_IRQ_GPIOC_0 (_NGPIOBIRQS + 0) # define TIVA_IRQ_GPIOC_1 (_NGPIOBIRQS + 1) # define TIVA_IRQ_GPIOC_2 (_NGPIOBIRQS + 2) # define TIVA_IRQ_GPIOC_3 (_NGPIOBIRQS + 3) # define TIVA_IRQ_GPIOC_4 (_NGPIOBIRQS + 4) # define TIVA_IRQ_GPIOC_5 (_NGPIOBIRQS + 5) # define TIVA_IRQ_GPIOC_6 (_NGPIOBIRQS + 6) # define TIVA_IRQ_GPIOC_7 (_NGPIOBIRQS + 7) # define _NGPIOCIRQS (_NGPIOBIRQS + 8) #else # define _NGPIOCIRQS _NGPIOBIRQS #endif #if defined(CONFIG_TIVA_GPIOD_IRQS) # define TIVA_IRQ_GPIOD_0 (_NGPIOCIRQS + 0) # define TIVA_IRQ_GPIOD_1 (_NGPIOCIRQS + 1) # define TIVA_IRQ_GPIOD_2 (_NGPIOCIRQS + 2) # define TIVA_IRQ_GPIOD_3 (_NGPIOCIRQS + 3) # define TIVA_IRQ_GPIOD_4 (_NGPIOCIRQS + 4) # define TIVA_IRQ_GPIOD_5 (_NGPIOCIRQS + 5) # define TIVA_IRQ_GPIOD_6 (_NGPIOCIRQS + 6) # define TIVA_IRQ_GPIOD_7 (_NGPIOCIRQS + 7) # define _NGPIODIRQS (_NGPIOCIRQS + 8) #else # define _NGPIODIRQS _NGPIOCIRQS #endif #if defined(CONFIG_TIVA_GPIOE_IRQS) # define TIVA_IRQ_GPIOE_0 (_NGPIODIRQS + 0) # define TIVA_IRQ_GPIOE_1 (_NGPIODIRQS + 1) # define TIVA_IRQ_GPIOE_2 (_NGPIODIRQS + 2) # define TIVA_IRQ_GPIOE_3 (_NGPIODIRQS + 3) # define TIVA_IRQ_GPIOE_4 (_NGPIODIRQS + 4) # define TIVA_IRQ_GPIOE_5 (_NGPIODIRQS + 5) # define TIVA_IRQ_GPIOE_6 (_NGPIODIRQS + 6) # define TIVA_IRQ_GPIOE_7 (_NGPIODIRQS + 7) # define _NGPIOEIRQS (_NGPIODIRQS + 8) #else # define _NGPIOEIRQS _NGPIODIRQS #endif #if defined(CONFIG_TIVA_GPIOF_IRQS) # define TIVA_IRQ_GPIOF_0 (_NGPIOEIRQS + 0) # define TIVA_IRQ_GPIOF_1 (_NGPIOEIRQS + 1) # define TIVA_IRQ_GPIOF_2 (_NGPIOEIRQS + 2) # define TIVA_IRQ_GPIOF_3 (_NGPIOEIRQS + 3) # define TIVA_IRQ_GPIOF_4 (_NGPIOEIRQS + 4) # define TIVA_IRQ_GPIOF_5 (_NGPIOEIRQS + 5) # define TIVA_IRQ_GPIOF_6 (_NGPIOEIRQS + 6) # define TIVA_IRQ_GPIOF_7 (_NGPIOEIRQS + 7) # define _NGPIOFIRQS (_NGPIOEIRQS + 8) #else # define _NGPIOFIRQS _NGPIOEIRQS #endif #if defined(CONFIG_TIVA_GPIOG_IRQS) # define TIVA_IRQ_GPIOG_0 (_NGPIOFIRQS + 0) # define TIVA_IRQ_GPIOG_1 (_NGPIOFIRQS + 1) # define TIVA_IRQ_GPIOG_2 (_NGPIOFIRQS + 2) # define TIVA_IRQ_GPIOG_3 (_NGPIOFIRQS + 3) # define TIVA_IRQ_GPIOG_4 (_NGPIOFIRQS + 4) # define TIVA_IRQ_GPIOG_5 (_NGPIOFIRQS + 5) # define TIVA_IRQ_GPIOG_6 (_NGPIOFIRQS + 6) # define TIVA_IRQ_GPIOG_7 (_NGPIOFIRQS + 7) # define _NGPIOGIRQS (_NGPIOFIRQS + 8) #else # define _NGPIOGIRQS _NGPIOFIRQS #endif #if defined(CONFIG_TIVA_GPIOH_IRQS) # define TIVA_IRQ_GPIOH_0 (_NGPIOGIRQS + 0) # define TIVA_IRQ_GPIOH_1 (_NGPIOGIRQS + 1) # define TIVA_IRQ_GPIOH_2 (_NGPIOGIRQS + 2) # define TIVA_IRQ_GPIOH_3 (_NGPIOGIRQS + 3) # define TIVA_IRQ_GPIOH_4 (_NGPIOGIRQS + 4) # define TIVA_IRQ_GPIOH_5 (_NGPIOGIRQS + 5) # define TIVA_IRQ_GPIOH_6 (_NGPIOGIRQS + 6) # define TIVA_IRQ_GPIOH_7 (_NGPIOGIRQS + 7) # define _NGPIOHIRQS (_NGPIOGIRQS + 8) #else # define _NGPIOHIRQS _NGPIOGIRQS #endif #if defined(CONFIG_TIVA_GPIOJ_IRQS) # define TIVA_IRQ_GPIOJ_0 (_NGPIOHIRQS + 0) # define TIVA_IRQ_GPIOJ_1 (_NGPIOHIRQS + 1) # define TIVA_IRQ_GPIOJ_2 (_NGPIOHIRQS + 2) # define TIVA_IRQ_GPIOJ_3 (_NGPIOHIRQS + 3) # define TIVA_IRQ_GPIOJ_4 (_NGPIOHIRQS + 4) # define TIVA_IRQ_GPIOJ_5 (_NGPIOHIRQS + 5) # define TIVA_IRQ_GPIOJ_6 (_NGPIOHIRQS + 6) # define TIVA_IRQ_GPIOJ_7 (_NGPIOHIRQS + 7) # define _NGPIOJIRQS (_NGPIOHIRQS + 8) #else # define _NGPIOJIRQS _NGPIOHIRQS #endif #if defined(CONFIG_TIVA_GPIOK_IRQS) # define TIVA_IRQ_GPIOK_0 (_NGPIOJIRQS + 0) # define TIVA_IRQ_GPIOK_1 (_NGPIOJIRQS + 1) # define TIVA_IRQ_GPIOK_2 (_NGPIOJIRQS + 2) # define TIVA_IRQ_GPIOK_3 (_NGPIOJIRQS + 3) # define TIVA_IRQ_GPIOK_4 (_NGPIOJIRQS + 4) # define TIVA_IRQ_GPIOK_5 (_NGPIOJIRQS + 5) # define TIVA_IRQ_GPIOK_6 (_NGPIOJIRQS + 6) # define TIVA_IRQ_GPIOK_7 (_NGPIOJIRQS + 7) # define _NGPIOKIRQS (_NGPIOJIRQS + 8) #else # define _NGPIOKIRQS _NGPIOJIRQS #endif #if defined(CONFIG_TIVA_GPIOL_IRQS) # define TIVA_IRQ_GPIOL_0 (_NGPIOKIRQS + 0) # define TIVA_IRQ_GPIOL_1 (_NGPIOKIRQS + 1) # define TIVA_IRQ_GPIOL_2 (_NGPIOKIRQS + 2) # define TIVA_IRQ_GPIOL_3 (_NGPIOKIRQS + 3) # define TIVA_IRQ_GPIOL_4 (_NGPIOKIRQS + 4) # define TIVA_IRQ_GPIOL_5 (_NGPIOKIRQS + 5) # define TIVA_IRQ_GPIOL_6 (_NGPIOKIRQS + 6) # define TIVA_IRQ_GPIOL_7 (_NGPIOKIRQS + 7) # define _NGPIOLIRQS (_NGPIOKIRQS + 8) #else # define _NGPIOLIRQS _NGPIOKIRQS #endif #if defined(CONFIG_TIVA_GPIOM_IRQS) # define TIVA_IRQ_GPIOM_0 (_NGPIOLIRQS + 0) # define TIVA_IRQ_GPIOM_1 (_NGPIOLIRQS + 1) # define TIVA_IRQ_GPIOM_2 (_NGPIOLIRQS + 2) # define TIVA_IRQ_GPIOM_3 (_NGPIOLIRQS + 3) # define TIVA_IRQ_GPIOM_4 (_NGPIOLIRQS + 4) # define TIVA_IRQ_GPIOM_5 (_NGPIOLIRQS + 5) # define TIVA_IRQ_GPIOM_6 (_NGPIOLIRQS + 6) # define TIVA_IRQ_GPIOM_7 (_NGPIOLIRQS + 7) # define _NGPIOMIRQS (_NGPIOLIRQS + 8) #else # define _NGPIOMIRQS _NGPIOLIRQS #endif #if defined(CONFIG_TIVA_GPION_IRQS) # define TIVA_IRQ_GPION_0 (_NGPIOMIRQS + 0) # define TIVA_IRQ_GPION_1 (_NGPIOMIRQS + 1) # define TIVA_IRQ_GPION_2 (_NGPIOMIRQS + 2) # define TIVA_IRQ_GPION_3 (_NGPIOMIRQS + 3) # define TIVA_IRQ_GPION_4 (_NGPIOMIRQS + 4) # define TIVA_IRQ_GPION_5 (_NGPIOMIRQS + 5) # define TIVA_IRQ_GPION_6 (_NGPIOMIRQS + 6) # define TIVA_IRQ_GPION_7 (_NGPIOMIRQS + 7) # define _NGPIONIRQS (_NGPIOMIRQS + 8) #else # define _NGPIONIRQS _NGPIOMIRQS #endif #if defined(CONFIG_TIVA_GPIOP_IRQS) # define TIVA_IRQ_GPIOP_0 (_NGPIONIRQS + 0) # define TIVA_IRQ_GPIOP_1 (_NGPIONIRQS + 1) # define TIVA_IRQ_GPIOP_2 (_NGPIONIRQS + 2) # define TIVA_IRQ_GPIOP_3 (_NGPIONIRQS + 3) # define TIVA_IRQ_GPIOP_4 (_NGPIONIRQS + 4) # define TIVA_IRQ_GPIOP_5 (_NGPIONIRQS + 5) # define TIVA_IRQ_GPIOP_6 (_NGPIONIRQS + 6) # define TIVA_IRQ_GPIOP_7 (_NGPIONIRQS + 7) # define _NGPIOPIRQS (_NGPIONIRQS + 8) #else # define _NGPIOPIRQS _NGPIONIRQS #endif #if defined(CONFIG_TIVA_GPIOQ_IRQS) # define TIVA_IRQ_GPIOQ_0 (_NGPIOPIRQS + 0) # define TIVA_IRQ_GPIOQ_1 (_NGPIOPIRQS + 1) # define TIVA_IRQ_GPIOQ_2 (_NGPIOPIRQS + 2) # define TIVA_IRQ_GPIOQ_3 (_NGPIOPIRQS + 3) # define TIVA_IRQ_GPIOQ_4 (_NGPIOPIRQS + 4) # define TIVA_IRQ_GPIOQ_5 (_NGPIOPIRQS + 5) # define TIVA_IRQ_GPIOQ_6 (_NGPIOPIRQS + 6) # define TIVA_IRQ_GPIOQ_7 (_NGPIOPIRQS + 7) # define _NGPIOQIRQS (_NGPIOPIRQS + 8) #else # define _NGPIOQIRQS _NGPIOPIRQS #endif #if defined(CONFIG_TIVA_GPIOR_IRQS) # define TIVA_IRQ_GPIOR_0 (_NGPIOQIRQS + 0) # define TIVA_IRQ_GPIOR_1 (_NGPIOQIRQS + 1) # define TIVA_IRQ_GPIOR_2 (_NGPIOQIRQS + 2) # define TIVA_IRQ_GPIOR_3 (_NGPIOQIRQS + 3) # define TIVA_IRQ_GPIOR_4 (_NGPIOQIRQS + 4) # define TIVA_IRQ_GPIOR_5 (_NGPIOQIRQS + 5) # define TIVA_IRQ_GPIOR_6 (_NGPIOQIRQS + 6) # define TIVA_IRQ_GPIOR_7 (_NGPIOQIRQS + 7) # define _NGPIORIRQS (_NGPIOQIRQS + 8) #else # define _NGPIORIRQS _NGPIOQIRQS #endif #if defined(CONFIG_TIVA_GPIOS_IRQS) # define TIVA_IRQ_GPIOS_0 (_NGPIORIRQS + 0) # define TIVA_IRQ_GPIOS_1 (_NGPIORIRQS + 1) # define TIVA_IRQ_GPIOS_2 (_NGPIORIRQS + 2) # define TIVA_IRQ_GPIOS_3 (_NGPIORIRQS + 3) # define TIVA_IRQ_GPIOS_4 (_NGPIORIRQS + 4) # define TIVA_IRQ_GPIOS_5 (_NGPIORIRQS + 5) # define TIVA_IRQ_GPIOS_6 (_NGPIORIRQS + 6) # define TIVA_IRQ_GPIOS_7 (_NGPIORIRQS + 7) # define _NGPIOSIRQS (_NGPIORIRQS + 8) #else # define _NGPIOSIRQS _NGPIORIRQS #endif #if defined(CONFIG_TIVA_GPIOT_IRQS) # define TIVA_IRQ_GPIOT_0 (_NGPIOSIRQS + 0) # define TIVA_IRQ_GPIOT_1 (_NGPIOSIRQS + 1) # define TIVA_IRQ_GPIOT_2 (_NGPIOSIRQS + 2) # define TIVA_IRQ_GPIOT_3 (_NGPIOSIRQS + 3) # define TIVA_IRQ_GPIOT_4 (_NGPIOSIRQS + 4) # define TIVA_IRQ_GPIOT_5 (_NGPIOSIRQS + 5) # define TIVA_IRQ_GPIOT_6 (_NGPIOSIRQS + 6) # define TIVA_IRQ_GPIOT_7 (_NGPIOSIRQS + 7) # define _NGPIOTIRQS (_NGPIOSIRQS + 8) #else # define _NGPIOTIRQS _NGPIOSIRQS #endif #define NR_GPIO_IRQS (_NGPIOTIRQS - NR_IRQS) /************************************************************************************ * Public Types ************************************************************************************/ /************************************************************************************ * Public Data ************************************************************************************/ #ifndef __ASSEMBLY__ #ifdef __cplusplus extern "C" { #endif /************************************************************************************ * Public Functions ************************************************************************************/ /**************************************************************************** * Name: gpio_irqattach * * Description: * Attach the interrupt handler 'isr' to the GPIO IRQ 'irq' * ****************************************************************************/ int gpio_irqattach(int irq, xcpt_t isr); #define gpio_irqdetach(isr) gpio_irqattach(isr, NULL) /**************************************************************************** * Name: gpio_irqenable * * Description: * Enable the GPIO IRQ specified by 'irq' * ****************************************************************************/ void gpio_irqenable(int irq); /**************************************************************************** * Name: gpio_irqdisable * * Description: * Disable the GPIO IRQ specified by 'irq' * ****************************************************************************/ void gpio_irqdisable(int irq); #ifdef __cplusplus } #endif #endif #endif /* __ARCH_ARM_INCLUDE_TIVA_IRQ_H */