Mikroelektronika MIKROE-724 データシート

mikroBasic PRO for dsPIC30/33 and PIC24

MikroElektronika

517

SPI_Ethernet_24j600_renewDHCP

sub function SPI_Ethernet_24j600_renewDHCP(dim tmax as byte) as byte 

Description This is DHCP module routine. It sends IP address lease time renewal request to DHCP server. 
Parameters - 

tmax

: time in seconds to wait for an reply. 

- 

1

 - upon success (lease time was renewed). 

- 

0

 - otherwise (renewal request timed out). 

Ethernet module has to be initialized. See SPI_Ethernet_24j600_Init.

while true 

  ...

  if(SPI_Ethernet_24j600_doDHCPLeaseTime() <> 0) then

    SPI_Ethernet_24j600_renewDHCP(5)  ‘ it’s time to renew the IP address 

None.