/**
 * @file % !FILENAME %
 *
 * @section desc File description
 *
 * External interrupts init and acknowledge functions for % !CPUNAME %
 * Automatically generated by goil on % !TIMESTAMP %
 * from root OIL file % !OILFILENAME %
 *
 * @section copyright Copyright
 *
 * Trampoline OS
 *
 * Trampoline is copyright (c) LS2N 2005-2017
 * Trampoline is protected by the French intellectual property law.
 *
 * This software is distributed under the GNU Public Licence v2
 *
 ***
 *
 * External Interrupts initialization for the AVR-Arduino Microcontroller
 *
 * Inits are done according to the source(s) pin(s) selected for an interrupt
 * vector corresponding to an or a set of interrupt(s) line(s)
 *
 */
#include "tpl_machine.h"
#include "Arduino.h"


#define OS_START_SEC_CODE
#include "tpl_memmap.h"

%
# look for EXTERNAL IRQ interrupt sources in COUNTERS and ISR
let ITOBJ := COUNTER | ISR

foreach obj in ITOBJ do
  if [obj::SOURCE subString: 0, 3] == "PIN" then #external interrupt
    if exists obj::SOURCE_S then
      let P:=obj::SOURCE_S
      let pinId := [obj::SOURCE subString: 3, 4]
      %void %!obj::SOURCE%_Handler();\n%
    end if #SOURCE structure
  end if #external interrupt
end foreach


%
FUNC(void, OS_CODE) tpl_init_external_interrupts()
{
%

## check TODO

#program the EXTERNAL interrupt pin
foreach obj in ITOBJ do
  if [obj::SOURCE subString: 0, 3] == "PIN" then #external interrupt
    if exists obj::SOURCE_S then
      let P:=obj::SOURCE_S
      let pinId := [obj::SOURCE subString: 3, 4]
      #pullup?
      if P::PULL == "UP" then 
          %	pinMode(%!pinId%, INPUT_PULLUP);\n%
      else
          %	pinMode(%!pinId%, INPUT);\n%
      end if
      #interrupt
      %	attachInterrupt(digitalPinToInterrupt(%!pinId%), %!obj::SOURCE%_Handler, %!P::MODE%);\n%
    end if #SOURCE structure
  end if #external interrupt
end foreach

%}\n%


%
#define OS_STOP_SEC_CODE
#include "tpl_memmap.h"

/* End of file % !FILENAME % */