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Discussion Groups | 68HC12 | Re: problem regarding Succesful Transmission of CAN message
Join our technical discussions about Freescale Microcontrollers: M68HC12. (Freescale Semiconductor is a Subsidiary of Motorola).
Re: problem regarding Succesful Transmission of CAN message - cisc...@tom.com - Mar 26 2:08:49 2009
how application knows when arbitration lost? will msCAN retry later?
thanks!
helo everybody
>
> i am working on S12MSCAN-v2....for data transmission
>between any test equipment and an ECU...the Microcontroller I am
>using in the using ECU is MC9S12D64..
>
> i have a question regarding this....
>
> how can we know that the CAN transmission is
>completed...instead of cheking the MSCAN transmitter register
>(CAN0TFLG (TXE))..
>
> how can we check the status of the CAN bus..i.e., when we
>send a data to the Data segement register....CANTFLG will be set to 1
>automatically stating that the transmitter buffer is empty that
>means the transmission is completed succesfully..but how can we know
>about the successful transmission if the CAN Bus is Open or any error
>occured in the CAN bus...please provide the sample code for this if u
>have...
>it will help me alot..
>thanks and regards
>Yadunandan
------------------------------------
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thanks!
helo everybody
>
> i am working on S12MSCAN-v2....for data transmission
>between any test equipment and an ECU...the Microcontroller I am
>using in the using ECU is MC9S12D64..
>
> i have a question regarding this....
>
> how can we know that the CAN transmission is
>completed...instead of cheking the MSCAN transmitter register
>(CAN0TFLG (TXE))..
>
> how can we check the status of the CAN bus..i.e., when we
>send a data to the Data segement register....CANTFLG will be set to 1
>automatically stating that the transmitter buffer is empty that
>means the transmission is completed succesfully..but how can we know
>about the successful transmission if the CAN Bus is Open or any error
>occured in the CAN bus...please provide the sample code for this if u
>have...
>it will help me alot..
>thanks and regards
>Yadunandan
------------------------------------
(You need to be a member of 68hc12 -- send a blank email to 68hc12-subscribe@yahoogroups.com )