4 * Copyright 2007 Develer S.r.l. (http://www.develer.com/)
5 * This file is part of DevLib - See README.devlib for information.
10 * \author Francesco Sacchi <batt@develer.com>
12 * \brief System irq handler for Atmel AT91 ARM7 processors (interface).
15 #ifndef DRV_AT91_SYSIRQ_H
16 #define DRV_AT91_SYSIRQ_H
18 typedef void (* sysirq_handler_t)(void); ///< Type for system irq handler.
19 typedef void (* sysirq_setEnable_t)(bool); ///< Type for system irq enable/disable function.
20 typedef bool (* sysirq_enable_t)(void); ///< Type for system irq enable getter.
21 typedef bool (* sysirq_trigger_t)(void); ///< Type for system irq trigger getter.
24 * Structure used to define a system interrupt source.
28 sysirq_enable_t enable; ///< Getter for irq enable/disable state.
29 sysirq_trigger_t trigger; ///< Getter for irq trigger state.
30 sysirq_setEnable_t setEnable; ///< Setter for irq enable/disable state.
31 sysirq_handler_t handler; ///< IRQ handler.
39 SYSIRQ_PIT, ///< Periodic Interval Timer
40 /* TODO: add all system irqs */
44 void sysirq_init(void);
45 void sysirq_setHandler(sysirq_t irq, sysirq_handler_t handler);
46 void sysirq_setEnable(sysirq_t irq, bool enable);
47 bool sysirq_enable(sysirq_t irq);
49 #endif /* ARCH_ARM_SYSIRQ_H */