46 lines
2.5 KiB
C
46 lines
2.5 KiB
C
#ifndef _EC20TCP_H
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#define _EC20TCP_H
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#include "ec20net.h"
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#define TCP_CONTEXTID 1 //1~16 本驱动强制规定，TCP/IP协议只用一个链路1D（即contextID=1）用于TCP链路
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/*****************************************
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*自定义变量类型
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****************************************/
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typedef enum //The URC of TCP/IP AT commands will be reported to the host in the format of beginning with “+QIURC:”
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{
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CLOSED = 0 , //Socket service connection is closed
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RECV = 1 , //receiving data, the module will report a URC to the host
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INCOMING_FULL = 2 , //incoming connection reaches the limit
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INCOMING_CONT = 3 , //he <service_type> is “TCP LISTENER”, when a remote client connects to this server
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PDPDEACT = 4, //PDP context may be deactivated by the network
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UNKNOWM = 5 //未知的URC
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} TcpUrcType ; //《Quectel_EC20_R2.1_AT_Commands_Manual_V1.0》 P31
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typedef struct //contextID:链路ID connetcID：通道ID
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{
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uint8_t connectId ; //TCP链路通道ID
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uint8_t serverIP[MAX_IP_LEN] ; //TCP链路通道 的Server IP
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uint16_t serverPort ; //TCP链路通道 的Server PORT
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uint16_t localPort ; //TCP链路通道 的Local PORT
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}ChannalP_s ; //存放TCP通道参数结构体变量类型
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/*****************************************
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*内部函数声明
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****************************************/
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RunResult EC20_SendTcpCmd( uint8_t cmdNum, char *format,... ) ; // EC20通过串口发送TCP相关命令
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RunResult Open_Socket(uint8_t connectId, uint8_t *serverIp, uint16_t serverPortNum, uint16_t localPortNum ) ; // 打开一个tcp通道
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RunResult Close_Socket(uint8_t connectId) ; // 关闭一个tcp通道
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RunResult Query_Socket(uint8_t connectId) ; // 查询一个tcp通道状态
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/*****************************************
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*对外接口函数声明
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*注意：所有共外部调用的接口入口参数全部统一为ChannalP_s *channal
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****************************************/
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extern RunResult Tcp_PDP_Init( void ) ; //EC20 TCP context的初始化，只需要调用一次即可
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extern RunResult Tcp_Channal_Init( ChannalP_s *channal ) ; //TCP通道初始化
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extern RunResult Tcp_SendData(ChannalP_s *channal, uint8_t *sendBuf, uint16_t sendLen) ; //通过TCP通道发送TCP上行数据
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extern TcpUrcType TcpUrcHandle( char *recvBuf, uint16_t recvLen ) ; //TCP/IP协议中模块返回的一写URC分类处理
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#endif
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