Chau Vo / mbed-dev

mbed library sources. Supersedes mbed-src. RTC working even after reset

Fork of mbed-dev by mbed official

targets/hal/TARGET_Atmel/common/utils/interrupt.h@0:9b334a45a8ff, 2015-10-01 (annotated)

Committer:
bogdanm
Date:
Thu Oct 01 15:25:22 2015 +0300
Revision:
0:9b334a45a8ff
Child:
144:ef7eb2e8f9f7
Initial commit on mbed-dev



Replaces mbed-src (now inactive)

Who changed what in which revision?

UserRevisionLine numberNew contents of line
bogdanm 0:9b334a45a8ff 1 #ifndef UTILS_INTERRUPT_H
bogdanm 0:9b334a45a8ff 2 #define UTILS_INTERRUPT_H
bogdanm 0:9b334a45a8ff 3
bogdanm 0:9b334a45a8ff 4 #include <parts.h>
bogdanm 0:9b334a45a8ff 5
bogdanm 0:9b334a45a8ff 6 #if XMEGA || MEGA || TINY
bogdanm 0:9b334a45a8ff 7 # include "interrupt/interrupt_avr8.h"
bogdanm 0:9b334a45a8ff 8 #elif UC3
bogdanm 0:9b334a45a8ff 9 # include "interrupt/interrupt_avr32.h"
bogdanm 0:9b334a45a8ff 10 #elif SAM
bogdanm 0:9b334a45a8ff 11 # include "interrupt/interrupt_sam_nvic.h"
bogdanm 0:9b334a45a8ff 12 #else
bogdanm 0:9b334a45a8ff 13 # error Unsupported device.
bogdanm 0:9b334a45a8ff 14 #endif
bogdanm 0:9b334a45a8ff 15
bogdanm 0:9b334a45a8ff 16 /**
bogdanm 0:9b334a45a8ff 17 * \defgroup interrupt_group Global interrupt management
bogdanm 0:9b334a45a8ff 18 *
bogdanm 0:9b334a45a8ff 19 * This is a driver for global enabling and disabling of interrupts.
bogdanm 0:9b334a45a8ff 20 *
bogdanm 0:9b334a45a8ff 21 * @{
bogdanm 0:9b334a45a8ff 22 */
bogdanm 0:9b334a45a8ff 23
bogdanm 0:9b334a45a8ff 24 #if defined(__DOXYGEN__)
bogdanm 0:9b334a45a8ff 25 /**
bogdanm 0:9b334a45a8ff 26 * \def CONFIG_INTERRUPT_FORCE_INTC
bogdanm 0:9b334a45a8ff 27 * \brief Force usage of the ASF INTC driver
bogdanm 0:9b334a45a8ff 28 *
bogdanm 0:9b334a45a8ff 29 * Predefine this symbol when preprocessing to force the use of the ASF INTC driver.
bogdanm 0:9b334a45a8ff 30 * This is useful to ensure compatibility across compilers and shall be used only when required
bogdanm 0:9b334a45a8ff 31 * by the application needs.
bogdanm 0:9b334a45a8ff 32 */
bogdanm 0:9b334a45a8ff 33 # define CONFIG_INTERRUPT_FORCE_INTC
bogdanm 0:9b334a45a8ff 34 #endif
bogdanm 0:9b334a45a8ff 35
bogdanm 0:9b334a45a8ff 36 //! \name Global interrupt flags
bogdanm 0:9b334a45a8ff 37 //@{
bogdanm 0:9b334a45a8ff 38 /**
bogdanm 0:9b334a45a8ff 39 * \typedef irqflags_t
bogdanm 0:9b334a45a8ff 40 * \brief Type used for holding state of interrupt flag
bogdanm 0:9b334a45a8ff 41 */
bogdanm 0:9b334a45a8ff 42
bogdanm 0:9b334a45a8ff 43 /**
bogdanm 0:9b334a45a8ff 44 * \def cpu_irq_enable
bogdanm 0:9b334a45a8ff 45 * \brief Enable interrupts globally
bogdanm 0:9b334a45a8ff 46 */
bogdanm 0:9b334a45a8ff 47
bogdanm 0:9b334a45a8ff 48 /**
bogdanm 0:9b334a45a8ff 49 * \def cpu_irq_disable
bogdanm 0:9b334a45a8ff 50 * \brief Disable interrupts globally
bogdanm 0:9b334a45a8ff 51 */
bogdanm 0:9b334a45a8ff 52
bogdanm 0:9b334a45a8ff 53 /**
bogdanm 0:9b334a45a8ff 54 * \fn irqflags_t cpu_irq_save(void)
bogdanm 0:9b334a45a8ff 55 * \brief Get and clear the global interrupt flags
bogdanm 0:9b334a45a8ff 56 *
bogdanm 0:9b334a45a8ff 57 * Use in conjunction with \ref cpu_irq_restore.
bogdanm 0:9b334a45a8ff 58 *
bogdanm 0:9b334a45a8ff 59 * \return Current state of interrupt flags.
bogdanm 0:9b334a45a8ff 60 *
bogdanm 0:9b334a45a8ff 61 * \note This function leaves interrupts disabled.
bogdanm 0:9b334a45a8ff 62 */
bogdanm 0:9b334a45a8ff 63
bogdanm 0:9b334a45a8ff 64 /**
bogdanm 0:9b334a45a8ff 65 * \fn void cpu_irq_restore(irqflags_t flags)
bogdanm 0:9b334a45a8ff 66 * \brief Restore global interrupt flags
bogdanm 0:9b334a45a8ff 67 *
bogdanm 0:9b334a45a8ff 68 * Use in conjunction with \ref cpu_irq_save.
bogdanm 0:9b334a45a8ff 69 *
bogdanm 0:9b334a45a8ff 70 * \param flags State to set interrupt flag to.
bogdanm 0:9b334a45a8ff 71 */
bogdanm 0:9b334a45a8ff 72
bogdanm 0:9b334a45a8ff 73 /**
bogdanm 0:9b334a45a8ff 74 * \fn bool cpu_irq_is_enabled_flags(irqflags_t flags)
bogdanm 0:9b334a45a8ff 75 * \brief Check if interrupts are globally enabled in supplied flags
bogdanm 0:9b334a45a8ff 76 *
bogdanm 0:9b334a45a8ff 77 * \param flags Currents state of interrupt flags.
bogdanm 0:9b334a45a8ff 78 *
bogdanm 0:9b334a45a8ff 79 * \return True if interrupts are enabled.
bogdanm 0:9b334a45a8ff 80 */
bogdanm 0:9b334a45a8ff 81
bogdanm 0:9b334a45a8ff 82 /**
bogdanm 0:9b334a45a8ff 83 * \def cpu_irq_is_enabled
bogdanm 0:9b334a45a8ff 84 * \brief Check if interrupts are globally enabled
bogdanm 0:9b334a45a8ff 85 *
bogdanm 0:9b334a45a8ff 86 * \return True if interrupts are enabled.
bogdanm 0:9b334a45a8ff 87 */
bogdanm 0:9b334a45a8ff 88 //@}
bogdanm 0:9b334a45a8ff 89
bogdanm 0:9b334a45a8ff 90 //! @}
bogdanm 0:9b334a45a8ff 91
bogdanm 0:9b334a45a8ff 92 /**
bogdanm 0:9b334a45a8ff 93 * \ingroup interrupt_group
bogdanm 0:9b334a45a8ff 94 * \defgroup interrupt_deprecated_group Deprecated interrupt definitions
bogdanm 0:9b334a45a8ff 95 */
bogdanm 0:9b334a45a8ff 96
bogdanm 0:9b334a45a8ff 97 #endif /* UTILS_INTERRUPT_H */