HsTCPIPv4 - Embedded TCP IP Protocol Stack.

HsTCPIPv4 is a suite of cross platform ANSI C source code libraries which fully implement TCP IP protocol.
HsTCPIPv4 as a whole or any of its included components can be used in an embedded system or on PC.
HsTCPIPv4 is supplied with full ANSI C source code and binaries.
HsTCPIPv4 has been tested on both Little-endian (Intel x86) and Big-endian (Freescale / Motorola PowerQUICC) memory architectures.

HsTCPIPv4 includes C source code for ARP, IP, ICMP, UDP, TCP, DHCP / BOOTP, DNS, TFTP, FTP, NTP / SNTP, POP3, SMTP.

The use of HsTCPIPv4 source code is royalty free

HsTCPIPv4 is designed in a modular way, you can use only the specific modules you need for your application.

At the top level are sample applications supplied with HsTCPIPv4 protocol stack: SMTP client, POP3 client, FTP client, TFTP server and client, NTP client and ICMP Ping.

These applications use their respective library part of HsTCPIPv4: HsSmtp, HsPop3, HsFtp, HsTftp, HsNtp, HsIcmp

The above protocol modules interface to a common socket layer HsSock.

HsSock library is talking to TCP (HsTcp) and UDP (HsUdp) modules

Both TCP and UDP modules and ICMP module interface to IP module (HsIp)

HsIp interfaces to ARP (HsArp) module. Both ARP and IP libraries interface to user supplied ethernet packet driver.

HsTCPIPv4 protocol stack parameter configuration is done through HsSock module either using static parameters (IP address, Router IP address, subnet mask, DNS server IP address) or using dynamic configuration via HsDhcp library

All protocol modules use HsDns API if it is necessary to resolve target domain name to an IP address

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