mirror of
https://github.com/RIOT-OS/RIOT.git
synced 2024-12-29 04:50:03 +01:00
5aa00a4f8b
* fixed documentation in irq.h * moved tools folder to dist * added check for disk space in build_gnuarm script * fixed gcc check in this script, too
59 lines
1.2 KiB
C
59 lines
1.2 KiB
C
#ifndef IRQ_H_
|
|
#define IRQ_H_
|
|
|
|
/**
|
|
* @defgroup irq IRQ Handling
|
|
* @ingroup kernel
|
|
*
|
|
* Provides an API to control interrupt processing.
|
|
*
|
|
* @{
|
|
*/
|
|
|
|
/**
|
|
* @file
|
|
* @brief IRQ driver interface
|
|
*
|
|
* @author Freie Universität Berlin, Computer Systems & Telematics
|
|
*
|
|
*/
|
|
|
|
#include <stdbool.h>
|
|
|
|
/**
|
|
* @brief This function sets the IRQ disable bit in the status register
|
|
*
|
|
* @note This function should be used in favour of dINT().
|
|
*
|
|
* @return previous value of status register
|
|
*/
|
|
unsigned disableIRQ(void);
|
|
|
|
/**
|
|
* @brief This function clears the IRQ disable bit in the status register
|
|
* @return previous value of status register
|
|
*
|
|
* @see restoreIRQ
|
|
*/
|
|
unsigned enableIRQ(void);
|
|
|
|
/**
|
|
* @brief This function restores the IRQ disable bit in the status register
|
|
* to the value contained within passed state
|
|
* @param state state to restore
|
|
*
|
|
* @note This function should be used in favour of eINT().
|
|
*
|
|
* @see disableIRQ
|
|
*/
|
|
void restoreIRQ(unsigned state);
|
|
|
|
/**
|
|
* @brief Checks if the mcu is currently processing an interrupt.
|
|
* @return true, if in interrupt service routine
|
|
*/
|
|
int inISR(void);
|
|
|
|
/** @} */ // end of group dev_irq
|
|
#endif /* IRQ_H_ */
|