rt-thread/bsp/efm32/dev_keys.h

/***************************************************************************//**
 * @file 	dev_keys.h
 * @brief 	Keys driver of RT-Thread RTOS for EFM32
 *  COPYRIGHT (C) 2012, RT-Thread Development Team
 * @author 	onelife
 * @version 1.0
 *******************************************************************************
 * @section License
 * The license and distribution terms for this file may be found in the file
 *  LICENSE in this distribution or at http://www.rt-thread.org/license/LICENSE
 *******************************************************************************
 * @section Change Logs
 * Date			Author		Notes
 * 2011-12-29   onelife     Initial creation for EFM32GG_DK3750 board
 ******************************************************************************/
#ifndef __DEV_KEYS_H__
#define __DEV_KEYS_H__

/* Includes ------------------------------------------------------------------*/
/* Exported defines ----------------------------------------------------------*/
#define KEYS_INT_PORT       (gpioPortE)
#define KEYS_INT_PIN        (0)
#define KEYS_POLL_TIME      (RT_TICK_PER_SECOND / 10)

/* Exported types ------------------------------------------------------------*/
struct efm32_joy_device
{
    rt_int16_t x, y;
    rt_uint16_t min_x, max_x;
    rt_uint16_t min_y, max_y;

    struct rt_timer timer;
};

/* Exported constants --------------------------------------------------------*/
/* Exported macro ------------------------------------------------------------*/
/* Exported functions ------------------------------------------------------- */
void efm32_hw_keys_init(void);

#endif /* __DEV_KEYS_H__ */