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| Search found 36 matches |
| Author | Message |
|---|---|
 Topic: In circuit serial debugger with ICD-U64 on DSPIC33EP256GP504 |
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| levdev Replies: 3 Views: 39593 |
 Forum: CCS ICD / Mach X / Load-n-Go Posted: Fri May 18, 2018 5:48 pm Subject: In circuit serial debugger with ICD-U64 on DSPIC33EP256GP504 |
| Yes, ICD=3 means using the 3rd programming port, and yes I've got the right connections, as i can program and verify the device.
However today I managed to get it working. I updated the Firmware o ... |
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| Topic: In circuit serial debugger with ICD-U64 on DSPIC33EP256GP504 |
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| levdev Replies: 3 Views: 39593 |
Forum: CCS ICD / Mach X / Load-n-Go Posted: Thu May 17, 2018 4:45 pm Subject: In circuit serial debugger with ICD-U64 on DSPIC33EP256GP504 |
| I am using a board with DSPIC33EP256GP504, and programming with the ICD-U64 (latest HW and FW revisions). I am using compiler version 5.070. The device programs fine and runs, albeit with a few bugs ... | |
| Topic: Constant array returns wrong value with variable index value |
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| levdev Replies: 23 Views: 34216 |
Forum: General CCS C Discussion Posted: Fri Jan 13, 2012 8:50 am Subject: Constant array returns wrong value with variable index value |
| OK, last post on the subject. I've actually found the root cause and it's so simple I must be stupid not to have found it earlier.
#FUSES EBTR protects the memory from table reads. This stops ... |
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| Topic: Constant array returns wrong value with variable index value |
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| levdev Replies: 23 Views: 34216 |
Forum: General CCS C Discussion Posted: Thu Jan 12, 2012 4:44 pm Subject: Constant array returns wrong value with variable index value |
| The program memory is correct in both the source file and on the device. I have checked both. The new function I wrote confirms that because it reads the correct values. The problem I'm sure is wit ... | |
| Topic: Constant array returns wrong value with variable index value |
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| levdev Replies: 23 Views: 34216 |
Forum: General CCS C Discussion Posted: Thu Jan 12, 2012 11:43 am Subject: Constant array returns wrong value with variable index value |
| Well I've found a workable solution to this problem which is posted below. I don't know if the original problem is compiler version specific, or device specific, but I'm surprised no one else here ha ... | |
| Topic: Constant array returns wrong value with variable index value |
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| levdev Replies: 23 Views: 34216 |
Forum: General CCS C Discussion Posted: Wed Jan 11, 2012 2:51 pm Subject: Constant array returns wrong value with variable index value |
| OK, two strange things related to this issue. Take the following program:
#include <18F26K22.h> #ROM 0x07F0 = {1000,1001,1002,1003,0xFFFF,0xFFFF,0xFFFF,0xFFFF} #ROM 0x0800 = &# ... |
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| Topic: Constant array returns wrong value with variable index value |
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| levdev Replies: 23 Views: 34216 |
Forum: General CCS C Discussion Posted: Wed Jan 11, 2012 12:30 pm Subject: Constant array returns wrong value with variable index value |
| Your array will be 2048 bytes, which will just cross the boundary. Are you sure the last few variables are returned correctly? | |
| Topic: Constant array returns wrong value with variable index value |
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| levdev Replies: 23 Views: 34216 |
Forum: General CCS C Discussion Posted: Wed Jan 11, 2012 12:23 pm Subject: Constant array returns wrong value with variable index value |
| Actually scratch some of that, Ttelmah the function also doesn't work on data stored after memory location 0x7FF.
#include <18F26K22.h> #FUSES NOWDT //No Watch Dog Timer ... |
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| Topic: Constant array returns wrong value with variable index value |
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| levdev Replies: 23 Views: 34216 |
Forum: General CCS C Discussion Posted: Wed Jan 11, 2012 12:10 pm Subject: Constant array returns wrong value with variable index value |
| After some more testing it seems that any constant array placed after memory location 0x0800 will not return the correct value. It's not so much the transition past 7FF, but just anything beyond this ... | |
| Topic: Constant array returns wrong value with variable index value |
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| levdev Replies: 23 Views: 34216 |
Forum: General CCS C Discussion Posted: Tue Jan 10, 2012 4:55 pm Subject: Constant array returns wrong value with variable index value |
| Can you use this for constant arrays stored in program memory? This array is too big for the RAm available on the PIC18f26k22. | |
| Topic: Constant array returns wrong value with variable index value |
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| levdev Replies: 23 Views: 34216 |
Forum: General CCS C Discussion Posted: Tue Jan 10, 2012 4:35 pm Subject: Constant array returns wrong value with variable index value |
| Is there anyway of forcing the array into the start of a page, so it doesn't have to cross the boundary? | |
| Topic: Constant array returns wrong value with variable index value |
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| levdev Replies: 23 Views: 34216 |
Forum: General CCS C Discussion Posted: Mon Jan 09, 2012 5:40 pm Subject: Constant array returns wrong value with variable index value |
| Thanks for the fix. I had just been working on a similar fix myself, but haven't had time to test either yet.
The thing I don't understand is that for this function to work, the bytes of data must ... |
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| Topic: Constant array returns wrong value with variable index value |
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| levdev Replies: 23 Views: 34216 |
Forum: General CCS C Discussion Posted: Mon Jan 09, 2012 1:37 pm Subject: Constant array returns wrong value with variable index value |
| Thanks for your reply. I moved the variable declaration, this has made the two values consistently the same, but still wrong when the array index goes over 1014.
void main() { in ... |
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| Topic: Constant array returns wrong value with variable index value |
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| levdev Replies: 23 Views: 34216 |
Forum: General CCS C Discussion Posted: Mon Jan 09, 2012 12:42 pm Subject: Constant array returns wrong value with variable index value |
| I'm having a problem returning the correct value from an array when accessing it with a variable index. A constant index returns the correct value. They both return the correct value up to the index ... | |
| Topic: RS232 Receive Problem on UART |
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| levdev Replies: 6 Views: 13265 |
Forum: General CCS C Discussion Posted: Thu Jun 30, 2011 7:53 am Subject: RS232 Receive Problem on UART |
| Has anyone got any other ideas, I still can't get past this problem. | |
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