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STM32+W5100S以太网芯片程序芯片解密

时间：2026-04-28 来源：芯片解密浏览：3次字号：大中小

芯片解密单片机源程序如下:

芯片解密#include "socket.h"
static uint16 local_port;
extern uint16 sent_ptr;
#define __MACRAW__
/**
@brief This Socket function initialize the channel in perticular mode, and set the port and wait for W5200 done it.
@return 1 for sucess else 0.
*/
void setkeepalive(SOCKET s);
uint8 socket(SOCKET s, uint8 protocol, uint16 port, uint8 flag) // 2017-07-17
{
uint8 ret;
if (
((protocol&0x0F) == Sn_MR_TCP) ||
((protocol&0x0F) == Sn_MR_UDP) ||
((protocol&0x0F) == Sn_MR_IPRAW) ||
((protocol&0x0F) == Sn_MR_MACRAW)
)
{
close(s);
if((protocol&0x0F)==Sn_MR_TCP)
{
setkeepalive(s);
}
IINCHIP_WRITE(W5100S_Sn_MR(s) ,protocol | flag);
if (port != 0) {
IINCHIP_WRITE( W5100S_Sn_PORT0(s) ,(uint8)((port & 0xff00) >> 8));
IINCHIP_WRITE( W5100S_Sn_PORT1(s) ,(uint8)(port & 0x00ff));
} else {
local_port++; // if don't set the source port, set local_port number.
IINCHIP_WRITE(W5100S_Sn_PORT0(s) ,(uint8)((local_port & 0xff00) >> 8));
IINCHIP_WRITE(W5100S_Sn_PORT1(s) ,(uint8)(local_port & 0x00ff));
}
IINCHIP_WRITE( W5100S_Sn_CR(s) ,Sn_CR_OPEN); // run sockinit Sn_CR
/* wait to process the command... */
while( IINCHIP_READ(W5100S_Sn_CR(s)) )
;
/* ------- */
ret = 1;
}
else
{
ret = 0;
}
return ret;
}