mc_keys.h

来自「ARM_CORTEX-M3应用实例开发详解光盘」· C头文件 代码 · 共 47 行

/******************** (C) COPYRIGHT 2008 STMicroelectronics ********************
* File Name          : MC_Keys.h
* Author             : IMS Systems Lab 
* Date First Issued  : 21/11/07
* Description        : This file contains the prototypes for the push-buttons
*                      and joystick unit module related functions.
********************************************************************************
* History:
* 21/11/07 v1.0
* 29/05/08 v2.0
********************************************************************************
* THE PRESENT SOFTWARE WHICH IS FOR GUIDANCE ONLY AIMS AT PROVIDING CUSTOMERS
* WITH CODING INFORMATION REGARDING THEIR PRODUCTS IN ORDER FOR THEM TO SAVE TIME.
* AS A RESULT, STMICROELECTRONICS SHALL NOT BE HELD LIABLE FOR ANY DIRECT,
* INDIRECT OR CONSEQUENTIAL DAMAGES WITH RESPECT TO ANY CLAIMS ARISING FROM THE
* CONTENT OF SUCH SOFTWARE AND/OR THE USE MADE BY CUSTOMERS OF THE CODING
* INFORMATION CONTAINED HEREIN IN CONNECTION WITH THEIR PRODUCTS.
*
* THIS SOURCE CODE IS PROTECTED BY A LICENSE.
* FOR MORE INFORMATION PLEASE CAREFULLY READ THE LICENSE AGREEMENT FILE LOCATED
* IN THE ROOT DIRECTORY OF THIS FIRMWARE PACKAGE.
*******************************************************************************/
/* Define to prevent recursive inclusion -------------------------------------*/
#ifndef __MCx_KEYS_H
#define __MCx_KEYS_H

/* Exported constants --------------------------------------------------------*/
// These are defines for reading the joystick and SEL button
#define  NOKEY      (u8)0
#define  SEL        (u8)1
#define  RIGHT      (u8)2
#define  LEFT       (u8)3
#define  UP         (u8)4
#define  DOWN       (u8)5
#define  KEY_HOLD   (u8)6

/* Exported variables ------------------------------------------------------- */
extern u8 bMenu_index;

/* Exported functions ------------------------------------------------------- */
void KEYS_process(void);
void KEYS_Init(void);
u8 KEYS_ExportbKey(void);
#endif //__MCx_KEYS_H

/******************* (C) COPYRIGHT 2008 STMicroelectronics *****END OF FILE****/