// $Id: TestUartSimpleM.nc,v 1.1.4.2 2003/08/18 22:09:37 cssharp Exp $/*									tab:4 * "Copyright (c) 2000-2003 The Regents of the University  of California.   * All rights reserved. * * Permission to use, copy, modify, and distribute this software and its * documentation for any purpose, without fee, and without written agreement is * hereby granted, provided that the above copyright notice, the following * two paragraphs and the author appear in all copies of this software. *  * IN NO EVENT SHALL THE UNIVERSITY OF CALIFORNIA BE LIABLE TO ANY PARTY FOR * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES ARISING OUT * OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN IF THE UNIVERSITY OF * CALIFORNIA HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. *  * THE UNIVERSITY OF CALIFORNIA SPECIFICALLY DISCLAIMS ANY WARRANTIES, * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY * AND FITNESS FOR A PARTICULAR PURPOSE.  THE SOFTWARE PROVIDED HEREUNDER IS * ON AN "AS IS" BASIS, AND THE UNIVERSITY OF CALIFORNIA HAS NO OBLIGATION TO * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS." * * Copyright (c) 2002-2003 Intel Corporation * All rights reserved. * * This file is distributed under the terms in the attached INTEL-LICENSE      * file. If you do not find these files, copies can be found by writing to * Intel Research Berkeley, 2150 Shattuck Avenue, Suite 1300, Berkeley, CA,  * 94704.  Attention:  Intel License Inquiry. */module UartUser {  provides {    interface StdControl;  }  uses {    interface Leds;    interface Timer;    interface HPLUART;  }}implementation {  uint8_t cnt;  uint8_t D_Led;//leds data  uint8_t S_Data;  uint8_t S_Cnt;    command result_t StdControl.init() {    cnt = 0;//modify by qin    call HPLUART.init();    return SUCCESS;  }  command result_t StdControl.start() {    call Timer.start(TIMER_REPEAT, 1000);    return SUCCESS;  }  command result_t StdControl.stop() {    call Timer.stop();    return SUCCESS;  }  event result_t Timer.fired() {    call HPLUART.put(cnt);    /*接收數據注釋掉*/    //顯示發送數據低四位到LED4-LED7    S_Cnt = cnt;    S_Data = inp(PORTA);    S_Data &=0x0f;//保留LED0-LED3    S_Cnt &=0x0f;//獲取收到數據的低四位     S_Cnt = S_Cnt<<4;    S_Data |= S_Cnt;    outp(S_Data, PORTA);       cnt++;    if( cnt >= 255)        cnt = 0;           call Leds.redToggle();    return SUCCESS;  }  async event result_t HPLUART.get(uint8_t data) {    call Leds.greenToggle();    /*發送數據注釋掉        //顯示接收數據低四位到LED4-LED7    D_Led = inp(PORTA);    D_Led &=0x0f;//保留LED0-LED3    data &=0x0f;//獲取收到數據的低四位     data = data<<4;    D_Led |= data;    outp(D_Led, PORTA);    */    return SUCCESS;  }  async event result_t HPLUART.putDone() {    call Leds.yellowToggle();    return SUCCESS;  }}