mirror of
https://github.com/RIOT-OS/RIOT.git
synced 2024-12-29 04:50:03 +01:00
85 lines
1.7 KiB
C
85 lines
1.7 KiB
C
/*
|
|
* Copyright (C) 2019 Gunar Schorcht
|
|
*
|
|
* This file is subject to the terms and conditions of the GNU Lesser
|
|
* General Public License v2.1. See the file LICENSE in the top level
|
|
* directory for more details.
|
|
*/
|
|
|
|
/**
|
|
* @ingroup cpu_esp8266
|
|
* @{
|
|
*
|
|
* @file
|
|
* @brief Implementation of the kernels irq interface
|
|
*
|
|
* @author Gunar Schorcht <gunar@schorcht.net>
|
|
*
|
|
* @}
|
|
*/
|
|
|
|
#ifndef IRQ_ARCH_H
|
|
#define IRQ_ARCH_H
|
|
|
|
#include "irq.h"
|
|
#include "sched.h"
|
|
#include "thread.h"
|
|
|
|
#ifdef __cplusplus
|
|
extern "C" {
|
|
#endif
|
|
|
|
/**
|
|
* @brief Indicates the interrupt nesting depth
|
|
*
|
|
* The variable is increment on entry into and decremented on exit from an ISR.
|
|
*/
|
|
extern uint32_t irq_interrupt_nesting;
|
|
|
|
/**
|
|
* @name Macros to enter and exit an ISR
|
|
*
|
|
* Since all the stuff is done in `_frxt_int_enter` and `_frxt_int_exit`, these
|
|
* macros are doing nothing and are kept only for source code compatibility.
|
|
*
|
|
* @{
|
|
*/
|
|
#define irq_isr_enter()
|
|
#define irq_isr_exit()
|
|
/** @} */
|
|
|
|
/**
|
|
* @name Macros to enter and exit a critical region
|
|
*
|
|
* @note since they use a local variable they can be used only in same function
|
|
*
|
|
* @{
|
|
*/
|
|
#define critical_enter() int _irq_state = irq_disable()
|
|
#define critical_exit() irq_restore(_irq_state)
|
|
/** @} */
|
|
|
|
/**
|
|
* @name Macros to enter and exit a critical region with state variable
|
|
* @{
|
|
*/
|
|
#define critical_enter_var(m) m = irq_disable()
|
|
#define critical_exit_var(m) irq_restore(m)
|
|
/** @} */
|
|
|
|
/**
|
|
* @name Software interrupt types
|
|
*
|
|
* These definitions are used to distinguish different types of software
|
|
* interrupts in software interrupt handler.
|
|
*/
|
|
#define ETS_SOFT_INT_NONE 0
|
|
#define ETS_SOFT_INT_YIELD 1
|
|
#define ETS_SOFT_INT_HDL_MAC 2
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|
|
|
|
#endif /* IRQ_ARCH_H */
|