短信操作 2

#pragma once
#include "SIM_Card.h"

class SIM_ReadMessage: public SIM_Card
{
public:
 SIM_ReadMessage(void);
 SIM_ReadMessage(Comm* pC);
 ~SIM_ReadMessage(void);

 // 读取短消息，仅发送命令，不读取应答
 // 用+CMGL代替+CMGR，可一次性读出全部短消息
 int gsmReadMessageList(SM_PARAM* pMsg, int& iMsg_Count);

 int gsmParseMessageList(SM_PARAM* pMsg, SM_BUFF* pBuff);
};

 

#include "StdAfx.h"
#include "SIM_ReadMessage.h"

SIM_ReadMessage::SIM_ReadMessage(void)
{
}

SIM_ReadMessage::SIM_ReadMessage(Comm* pC):SIM_Card(pC)
{
}

SIM_ReadMessage::~SIM_ReadMessage(void)
{
}

// 读取短消息，仅发送命令，不读取应答
// 用+CMGL代替+CMGR，可一次性读出全部短消息
int SIM_ReadMessage::gsmReadMessageList(SM_PARAM* pMsg, int& iMsg_Count)
{
 pComm->WriteComm("AT+CMGF=0/r", 20);
 SM_BUFF Buff;
 int k = gsmGetResponse(&Buff, 10, "OK","ERROR");
 if( GSM_OK == k)
 {
  pComm->WriteComm("AT+CMGL=4/r", 20);
  k = gsmGetResponse(&Buff, 10, "OK","ERROR");
  if( GSM_OK == k)
  {
   iMsg_Count = gsmParseMessageList(pMsg, &Buff);
  }
 }
 return k;
}

int SIM_ReadMessage::gsmParseMessageList(SM_PARAM* pMsg, SM_BUFF* pBuff)
{
 int nMsg;   // 短消息计数值
 char* ptr;   // 内部用的数据指针

 nMsg = 0;
 ptr = pBuff->data;

 // 循环读取每一条短消息, 以"+CMGL:"开头
 while((ptr = strstr(ptr, "+CMGL:")) != NULL)
 {
  ptr += 6;  // 跳过"+CMGL:", 定位到序号
  sscanf(ptr, "%d", &pMsg->index); // 读取序号
//  TRACE("  index=%d/n",pMsg->index);

  ptr = strstr(ptr, "/r/n"); // 找下一行
  if (ptr != NULL)
  {
   ptr += 2;  // 跳过"/r/n", 定位到PDU
   
   gsmDecodePdu(ptr, pMsg); // PDU串解码

   //cout<<"序号 - "<<pMsg->index<<endl;
   //cout<<"回复号码 - "<<pMsg->TPA<<endl;
   //cout<<"短信中心号码 - "<<pMsg->SCA<<endl;
   //cout<<"发送时间 - "<<pMsg->TP_SCTS<<endl;
   //cout<<"短信内容 - "<<pMsg->TP_UD<<endl;
   //cout<<endl<<endl;
   pMsg++;  // 准备读下一条短消息
   nMsg++;  // 短消息计数加1
  }
 }

 return nMsg;
}