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#127 #141

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6 changes: 4 additions & 2 deletions Ethernet/socket.c
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Original file line number Diff line number Diff line change
Expand Up @@ -240,13 +240,15 @@ int8_t close(uint8_t sn)

int8_t listen(uint8_t sn)
{
uint8_t getSR = 0;
CHECK_SOCKNUM();
CHECK_SOCKMODE(Sn_MR_TCP);
CHECK_SOCKINIT();
setSn_CR(sn,Sn_CR_LISTEN);
while(getSn_CR(sn));
while(getSn_SR(sn) != SOCK_LISTEN)
{
getSR = getSn_SR(sn);
while(getSR != SOCK_LISTEN && getSR != SOCK_ESTABLISHED)
{
close(sn);
return SOCKERR_SOCKCLOSED;
}
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