cap_keys_task.h

NXP LPC系列AMR7的开发程序源码（LCD

/*************************************************************************
 *
 *    Used with ICCARM and AARM.
 *
 *    (c) Copyright IAR Systems 2007
 *
 *    File name   : cap_keys_task.h
 *    Description : Capacitive keys include file
 *
 *    History :
 *    1. Date        : January 18, 2007
 *       Author      : Stanimir Bonev
 *       Description : Create
 *
 *    $Revision: 1.0 $
 **************************************************************************/
#ifndef __CAP_KEY_TASK_H
#define __CAP_KEY_TASK_H

#include "bsp.h"
#include "RTOS.H"
#include "OS_Config.h"

#ifdef __CAP_KEY_TASK_GLOBALS
#define __CAP_KEY_TASK_EXT
#else
#define __CAP_KEY_TASK_EXT extern
#endif

#define KEYS_SCAN_TO 10

#pragma pack(1)
typedef union _CapKeysMessage_t
{
  unsigned int Data;
  struct
  {
    unsigned short PressedKeysMask;
    unsigned short KeyErrorMask;
  };
} CapKeysMessage_t, *pCapKeysMessage_t;
#pragma pack()

__CAP_KEY_TASK_EXT OS_TASK TCBCapKeys;
__CAP_KEY_TASK_EXT int StackCapKeys[128];
__CAP_KEY_TASK_EXT OS_MAILBOX CapKeyMb;

/*************************************************************************
 * Function Name: CapKeysTask
 * Parameters: none
 * Return: none
 *
 * Description: Check all keys on every 25 ms, analyze result and send
 * message to control task
 *
 *************************************************************************/
void CapKeysTask (void);

#endif // __CAP_KEY_TASK_H