text: /*
  Copyright (c) 2012, Philippe Retornaz
  Copyright (c) 2012, EPFL STI IMT LSRO1 -- Mobots group
  All rights reserved.
  
  Redistribution and use in source and binary forms, with or without
  modification, are permitted provided that the following conditions
  are met:
  1. Redistributions of source code must retain the above copyright
     notice, this list of conditions and the following disclaimer.
  2. Redistributions in binary form must reproduce the above copyright
     notice, this list of conditions and the following disclaimer in the
     documentation and/or other materials provided with the distribution.
  3. The name of the author may not be used to endorse or promote
     products derived from this software without specific prior
     written permission.
  
  THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
  OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
  WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
  DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
  GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
  WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
  NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
  SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
  
  #ifndef CC253x_P2_INTR_H_
  #define CC253x_P2_INTR_H_
  
  #include "contiki.h"
  
  #define CC253x_P2_ACK 	0x1
  #define CC253x_P2_NACK 0x0
  
  struct cc253x_p2_handler {
    struct cc253x_p2_handler *next;
    uint8_t (* cb)(void);
  };
  
  void cc253x_p2_register_handler(struct cc253x_p2_handler *h);
  
  void cc253x_p2_unregister_handler(struct cc253x_p2_handler *h);
  
  /* When the ISR is not needed, hide its prototype from the module containing
   * main() to prevent linking it */
  #if PORT_2_ISR_ENABLED
  void port_2_isr(void) __interrupt(P2INT_VECTOR);
  #endif
  
  #define cc253x_p2_irq_disable(flag) do { flag = IEN2 & 0x2; IEN2 &= ~0x2; } while(0)
  #define cc253x_p2_irq_enable(flag) do { IEN2 |= flag; } while(0)
  
  #define cc253x_p2_irq_force_enable() cc253x_p2_irq_enable(0x2)
  
  #endif
  