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| Search found 11 matches |
| Author | Message |
|---|---|
 Topic: dsPIC33 only sends ID of 0x00 on CAN2 when using ext frame |
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| labviewman Replies: 3 Views: 11063 |
 Forum: General CCS C Discussion Posted: Tue Aug 12, 2014 9:39 am Subject: dsPIC33 only sends ID of 0x00 on CAN2 when using ext frame |
| Must have been a problem with the CANoe configuration I was using....tested again with CANalyzer and it worked perfectly....weird | |
| Topic: dsPIC33 only sends ID of 0x00 on CAN2 when using ext frame |
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| labviewman Replies: 3 Views: 11063 |
Forum: General CCS C Discussion Posted: Tue Aug 05, 2014 6:06 pm Subject: dsPIC33 only sends ID of 0x00 on CAN2 when using ext frame |
| Interesting posts...pretty frustrating MicroChip has so many issues, but I read the errata for this micro (33FJ64GP706A) but didn't see anything on ECAN that applied to my observation.
CCS tried th ... |
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| Topic: dsPIC33 only sends ID of 0x00 on CAN2 when using ext frame |
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| labviewman Replies: 3 Views: 11063 |
Forum: General CCS C Discussion Posted: Tue Aug 05, 2014 8:00 am Subject: dsPIC33 only sends ID of 0x00 on CAN2 when using ext frame |
| Is there an issue with the CCS compiler being able to correctly compile code to send CAN messages on CAN2 ? I have code that is pretty simple and uses both CAN ports and has identical function calls ... | |
| Topic: CAN bit timing with a dsPIC33 |
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| labviewman Replies: 10 Views: 12910 |
Forum: General CCS C Discussion Posted: Sun Jul 27, 2014 6:08 am Subject: CAN bit timing with a dsPIC33 |
| Thank you RF_Developer for testing on your equipment and telling me the bit rate and thank you Ttelmah for explaining why this is happening.
I said I would reward who ever helped so I'd like to mai ... |
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| Topic: CAN bit timing with a dsPIC33 |
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| labviewman Replies: 10 Views: 12910 |
Forum: General CCS C Discussion Posted: Mon Jul 21, 2014 3:56 am Subject: CAN bit timing with a dsPIC33 |
| Ha, I submitted that and didn't realize you had responded.
I will try changing the clock speed and baud rate when I get home to verify it's always 1/2 (we don't have the same compiler version at wo ... |
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| Topic: CAN bit timing with a dsPIC33 |
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| labviewman Replies: 10 Views: 12910 |
Forum: General CCS C Discussion Posted: Mon Jul 21, 2014 3:51 am Subject: CAN bit timing with a dsPIC33 |
| It has been a while since I have looked at a CAN waveform, but when I send 0xAA (no bit stuffing will occur), I get a period of 16 usec between rising edges, which if I'm thinking correctly would be 2 ... | |
| Topic: CAN bit timing with a dsPIC33 |
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| labviewman Replies: 10 Views: 12910 |
Forum: General CCS C Discussion Posted: Mon Jul 21, 2014 2:01 am Subject: CAN bit timing with a dsPIC33 |
| Duh, sorry I didn't include that!
I have a 10 MHz crystal (#use delay(crystal=10MHz)) and am trying to get HS CAN at 250 Kbps. I'm taking the board to work today to see what bit rate I actuall ... |
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| Topic: CAN bit timing with a dsPIC33 |
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| labviewman Replies: 10 Views: 12910 |
Forum: General CCS C Discussion Posted: Mon Jul 21, 2014 1:10 am Subject: CAN bit timing with a dsPIC33 |
| I am absolutely 100% sure the code is executing at the expected clock frequency by:
a) verifying the blink frequency of a LED driven by the uC is almost exactly as calculated (2 methods: via simple ... |
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| Topic: CAN bit timing with a dsPIC33 |
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| labviewman Replies: 10 Views: 12910 |
Forum: General CCS C Discussion Posted: Sun Jul 20, 2014 4:47 pm Subject: CAN bit timing with a dsPIC33 |
| I have struggled with CAN on a dsPIC33 for about 8 hours today and have been able to determine it does attempt to send a msg on the bus (by stepping thru the code I can see it reaches the point of req ... | |
| Topic: Printf problem |
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| labviewman Replies: 7 Views: 9126 |
Forum: General CCS C Discussion Posted: Mon Dec 05, 2011 8:48 pm Subject: Printf problem |
| Pretty simple:
int16 data; Printf("%lx\r",data); There were other issues with 4.127 which caused me to burn an entire day (Sunday) trying to make my code work with 4.127 which worke ... |
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| Topic: Printf problem |
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| labviewman Replies: 7 Views: 9126 |
Forum: General CCS C Discussion Posted: Mon Dec 05, 2011 9:19 am Subject: Printf problem |
| I had the same problem...printf code that worked fine in 4.125 didn't in 4.127 (didn't like %lX but was OK with %ld). I reverted back to 4.125 | |
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