User manual

505
mikoPascal PRO for dsPIC30/33 and PIC24
MikroElektronika
SPI_Ethernet_24j600_Disable
Prototype
procedure SPI_Ethernet_24j600_Disable(disFlt : word);
Description This is MAC module routine. This routine disables appropriate network trafc on the ENC24J600
module by the means of it’s receive lters (unicast, multicast, broadcast, crc). Specic type of network
trafc will be disabled if a corresponding bit of this routine’s input parameter is set. Therefore, more
than one type of network trafc can be disabled at the same time. For this purpose, predened library
constants (see the table below) can be ORed to form appropriate input value.
Parameters - disFlt: network trafc/receive lter ags. Each bit corresponds to the appropriate network trafc/
receive lter:
Returns Nothing.
Requires Ethernet module has to be initialized. See SPI_Ethernet_24j600_Init.
Example
SPI_Ethernet_24j600_Disable(_SPI_Ethernet_24j600_CRC or _SPI_
Ethernet_24j600_UNICAST); // disable CRC checking and Unicast trafc
Notes Advanced ltering available in the ENC24J600 module such as Pattern Match, Magic Packet
and Hash Table can not be disabled by this routine.
This routine will change receive lter conguration on-the-y. It will not, in any way, mess with enabling/
disabling receive/transmit logic or any other part of the ENC24J600 module. The ENC24J600 module
should be properly cogured by the means of SPI_Ethernet_24j600_Init routine.
The ENC24J600 module should be properly cogured by the means of SPI_Ethernet_24j600_Init
routine.
Bit Mask Description Predened library const
0
0x01
MAC Broadcast trafc/receive lter ag. When set, MAC
broadcast trafc will be disabled.
_SPI_Ethernet_24j600_
BROADCAST
1
0x02
MAC Multicast trafc/receive lter ag. When set, MAC
multicast trafc will be disabled.
_SPI_Ethernet_24j600_
MULTICAST
2
0x04
not used
none
3
0x08
not used
none
4
0x10
not used
none
5
0x20
CRC check ag. When set, CRC check will be disabled
and packets with invalid CRC eld will be accepted.
_SPI_Ethernet_24j600_CRC
6
0x40
not used
none
7
0x80
MAC Unicast trafc/receive lter ag. When set, MAC
unicast trafc will be disabled.
_SPI_Ethernet_24j600_
UNICAST