at.h

ppp拨号程序源代码采用atmel芯片c语言编

/*
 * Copyright (C) 2003-2004 by Clive Moss. Email [e-mail] All rights reserved.
 *
 * Help & Contributions from D.J.Armstrong Email [e-mail]
 
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. Neither the name of the copyright holders nor the names of
 *    contributors may be used to endorse or promote products derived
 *    from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY CLIVE MOSS 'AS IS' AND ANY EXPRESS OR
 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.
 * IN NO EVENT SHALL CLIVE MOSS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
 * INDIRECT, INCIDENTAL,SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
 * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
 * THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 */

#ifndef atH
#define atH

#include "common.h"

//*****************************************************************

#define AT_Timeout			3000		// 3 seconds
#define AT_Dial_Retry_Time	6000		// 6 seconds
#define AT_Dial_Timeout		30000		// 30 seconds
#define AT_Retries			3			//

typedef enum TATStage {AT_Idle, AT_DialInit1, AT_DialInit2, AT_DialInit3, AT_Dial, AT_PPP, AT_Disc1, AT_Disc2} T_AT_Stage;

typedef struct TAT
{
	u8				Retries;
	volatile u16	Retry_Timer;

	T_AT_Stage		Stage;
} T_AT;

//*****************************************************************

extern T_AT		AT;

//*****************************************************************

#ifdef Debug
extern bool AT_DisplayStage(void);
#endif

extern void AT_Stage(T_AT_Stage Stage);
extern bool AT_Start(void);
extern void AT_End(void);
extern void AT_10ms_Timer(void);
extern void AT_Process(void);

#endif