mips_sys

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/* MIPS I system
 * Copyright 2011-2012 Stefan Schuermans <stefan@schuermans.info>
 * Copyleft GNU public license V2 or later
 *          http://www.gnu.org/copyleft/gpl.html
 */
#include "switches.h"
static volatile unsigned int *const switches_ptr =
  (volatile unsigned int *)0x80000200;
/**
 * @brief get state of switch
 * @param[in] sw swich identifier
 * @return switch state
 */
int switches_get_state(t_switch sw)
{
  return switches_ptr[0] >> sw & 1;
}
/**
 * @brief get rotation counter of rotary switch
 * @return rotation counter
 */
unsigned int switches_get_rot_cnt(void)
{
  return switches_ptr[1];
}
 
 
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