// #################################################################################################
// # << NEORV32: neorv32_xirq.h - External Interrupt controller HW Driver >>                       #
// # ********************************************************************************************* #
// # BSD 3-Clause License                                                                          #
// #                                                                                               #
// # Copyright (c) 2021, Stephan Nolting. All rights reserved.                                     #
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// # The NEORV32 Processor - https://github.com/stnolting/neorv32              (c) Stephan Nolting #
// #################################################################################################


/**********************************************************************//**
 * @file neorv32_xirq.h
 * @author Stephan Nolting
 * @brief External Interrupt controller HW driver header file.
 **************************************************************************/

#ifndef neorv32_xirq_h
#define neorv32_xirq_h

// prototypes
int neorv32_xirq_available(void);
int neorv32_xirq_setup(void);
void neorv32_xirq_global_enable(void);
void neorv32_xirq_global_disable(void);
int neorv32_xirq_get_num(void);
void neorv32_xirq_clear_pending(uint8_t ch);
void neorv32_xirq_channel_enable(uint8_t ch);
void neorv32_xirq_channel_disable(uint8_t ch);

int neorv32_xirq_install(uint8_t ch, void (*handler)(void));
int neorv32_xirq_uninstall(uint8_t ch);


#endif // neorv32_xirq_h