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Diffstat (limited to 'KSDK_1.2.0/platform/system/inc/fsl_interrupt_manager.h')
-rwxr-xr-x | KSDK_1.2.0/platform/system/inc/fsl_interrupt_manager.h | 147 |
1 files changed, 147 insertions, 0 deletions
diff --git a/KSDK_1.2.0/platform/system/inc/fsl_interrupt_manager.h b/KSDK_1.2.0/platform/system/inc/fsl_interrupt_manager.h new file mode 100755 index 0000000..fcce0e5 --- /dev/null +++ b/KSDK_1.2.0/platform/system/inc/fsl_interrupt_manager.h @@ -0,0 +1,147 @@ +/* + * Copyright (c) 2013 - 2014, Freescale Semiconductor, Inc. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without modification, + * are permitted provided that the following conditions are met: + * + * o Redistributions of source code must retain the above copyright notice, this list + * of conditions and the following disclaimer. + * + * o 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. + * + * o Neither the name of Freescale Semiconductor, Inc. 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 HOLDER 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. + */ +#if !defined(__FSL_INTERRUPT_MANAGER_H__) +#define __FSL_INTERRUPT_MANAGER_H__ + +#include <stdint.h> +#include <stdbool.h> +#include <assert.h> +#include "fsl_device_registers.h" + +/*! @addtogroup interrupt_manager*/ +/*! @{*/ + +/*! @file*/ + +/******************************************************************************* + * Definitions + ******************************************************************************/ +/*! @brief interrupt status return codes.*/ +typedef enum _interrupt_status_t { + kStatus_INT_Success = 0x0U, + kStatus_INT_NoVectorInRAM = 0x1U, +} interrupt_status_t; + +/******************************************************************************* + * API + ******************************************************************************/ + +#if defined(__cplusplus) +extern "C" { +#endif /* __cplusplus*/ + +/*! @name interrupt_manager APIs*/ +/*@{*/ + +/*! + * @brief Installs an interrupt handler routine for a given IRQ number. + * + * This function lets the application register/replace the interrupt + * handler for a specified IRQ number. The IRQ number is different than the vector + * number. IRQ 0 starts from the vector 16 address. See a chip-specific reference + * manual for details and the startup_MKxxxx.s file for each chip + * family to find out the default interrupt handler for each device. This + * function converts the IRQ number to the vector number by adding 16 to + * it. + * + * @param irqNumber IRQ number + * @param handler Interrupt handler routine address pointer + * @return Whether the installation succeed or not + */ +void * INT_SYS_InstallHandler(IRQn_Type irqNumber, void (*handler)(void)); + +/*! + * @brief Enables an interrupt for a given IRQ number. + * + * This function enables the individual interrupt for a specified IRQ + * number. It calls the system NVIC API to access the interrupt control + * register. The input IRQ number does not include the core interrupt, only + * the peripheral interrupt, from 0 to a maximum supported IRQ. + * + * @param irqNumber IRQ number + */ +static inline void INT_SYS_EnableIRQ(IRQn_Type irqNumber) +{ + /* check IRQ number */ + assert(0 <= irqNumber); + assert(irqNumber <= FSL_FEATURE_INTERRUPT_IRQ_MAX); + + /* call core API to enable the IRQ*/ + NVIC_EnableIRQ(irqNumber); +} + +/*! + * @brief Disables an interrupt for a given IRQ number. + * + * This function enables the individual interrupt for a specified IRQ + * number. It calls the system NVIC API to access the interrupt control + * register. + * + * @param irqNumber IRQ number + */ +static inline void INT_SYS_DisableIRQ(IRQn_Type irqNumber) +{ + /* check IRQ number */ + assert(0 <= irqNumber); + assert(irqNumber <= FSL_FEATURE_INTERRUPT_IRQ_MAX); + + /* call core API to disable the IRQ*/ + NVIC_DisableIRQ(irqNumber); +} + +/*! + * @brief Enables system interrupt. + * + * This function enables the global interrupt by calling the core API. + * + */ +void INT_SYS_EnableIRQGlobal(void); + +/*! + * @brief Disable system interrupt. + * + * This function disables the global interrupt by calling the core API. + * + */ +void INT_SYS_DisableIRQGlobal(void); + +/*@}*/ + +#if defined(__cplusplus) +} +#endif /* __cplusplus*/ + +/*! @}*/ + +#endif /* __FSL_INTERRUPT_MANAGER_H__*/ +/******************************************************************************* + * EOF + ******************************************************************************/ + |