MSCANDRIVER Questions

ljs20104 — Tue, 21 Jan 2020 07:37:27 GMT

I am a s9keaz64amlh user.
I want to inquire about MSCAN.
I use 'MSCANDRIVER' provided by nxp.
CAN communication was confirmed.
So I try to do what I want, but I'm not good at it.

I try to run the motor when I get a certain CAN ID.
For example, I want to make a program where 0X81 is motor operation and 0X82 is motor reverse operation.
However, after writing the code as below, the specific CANID cannot be identified.

int main (void)
{
UINT8 err_status;

UINT32 a;

UINT8 data [7] = {6, 0, 0xff, 0, 0xff, 0, 0xff};
UINT8 Rdata [8];
UINT8 buffer_status [2];

Init_CAN (0, FAST);
Config_CAN_MB (0, 2, RXDF, 1);
GPIO_Init ();
Clk_Init ();
FAIL_APPLY ();
MSCAN_ModuleEn ();

GPIOB_PDDR | = (1 << 16);
GPIOB_PCOR = (1 << 16);

EnableInterrupts;

for (;;) {

}
}

What should I modify in this code and how do I set a specific id?

I would appreciate it if you let me know.

if( a == 0x81){

motor operation;

}

else if (a ==82){

motor reverse operation;

}

I want to know a function or variable that sets a == 0x81 or 0x82.

Re: MSCANDRIVER Questions

Alexis_A — Wed, 22 Jan 2020 22:31:47 GMT

Hi Jong,

To identify from where is received the CAN message one way could be to set a Mailbox with each ID that you mention, this could help you identify from which ID came the message.

Best Regards,
Alexis Andalon

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MSCANDRIVER Questions

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