CAN – Ethernet Gateway
82 © SYS TEC electronic GmbH 2007 L-1032e_9
7.3.2.8 EthCanResetCan
Syntax:
DWORD PUBLIC EthCanResetCan(
tEthCanHandle,
dwResetCode_p)
Usability:
HW_INIT
Parameter:
EthCanHandle_p: Instance handle of the CAN-Ethernet Gateway
dwResetCode_p: Reset-Code for CAN
Description:
This function is used for performing a specific reset of the CAN
communication on the CAN-Ethernet Gateway and the DLL when
CAN errors occur as the result of a buffer overflow or interference on
the CAN-Bus. The parameter dwResetCode_p is used to determine
whether the send and receive buffer in the DLL as well as the send and
receive buffer of the CAN-Ethernet Gateway and its CAN interface
(CAN-controller) should be reset.
The following parameter values can be given for the reset code:
//Erase the send buffer for CAN messages in the DLL
#define RESET_TRANSMIT_QUEUE 0x00
//Erase the receive buffer for CAN messages in the DLL
#define RESET_RECEIVE_QUEUE 0x01
//Erase the send and receive buffer for CAN messages in the DLL
#define RESET_ALL_QUEUES 0x02
//Erase the send and receive buffer for CAN messages on
//the Gateway and reset the CAN controller
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