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| Search found 11 matches |
| Author | Message |
|---|---|
 Topic: RS232 missing characters |
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| turpin62 Replies: 10 Views: 23769 |
 Forum: General CCS C Discussion Posted: Tue Oct 17, 2017 9:26 am Subject: Update |
| OK so I set up two laptops one monitoring the PIC UART and one monitoring the RS232 output from the FDTI serial port
This is data 3651 This is data3652 his is data 3653 This is data 3654 RS232 ... |
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| Topic: RS232 missing characters |
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| turpin62 Replies: 10 Views: 23769 |
Forum: General CCS C Discussion Posted: Thu Oct 12, 2017 7:40 am Subject: RS232 missing characters |
| Yeah, the baud rate is high. Reducing it even to 4k doesn't eliminate the problem, but does make it less frequent. Unfortunately, I have a lot of stuff going on with this card so I need the fast clock ... | |
| Topic: RS232 missing characters |
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| turpin62 Replies: 10 Views: 23769 |
Forum: General CCS C Discussion Posted: Thu Oct 12, 2017 5:47 am Subject: RS232 missing characters |
| That is a fair point. I have tried 2 different PCs with Hyperterm, Teraterm and an in house terminal emulator and they all see the same.
I am going to splice into the UART output with a signal anal ... |
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| Topic: Sleep mode for PIC 24HJ64GP504 |
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| turpin62 Replies: 23 Views: 45512 |
Forum: General CCS C Discussion Posted: Thu Oct 12, 2017 4:43 am Subject: Sleep mode for PIC 24HJ64GP504 |
| You should be able to use the same trick to monitor the CAN data line and wake up on message. You need to configure the CAN RX data pin to be an external interrupt during sleep and reconfigure it to b ... | |
| Topic: RS232 missing characters |
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| turpin62 Replies: 10 Views: 23769 |
Forum: General CCS C Discussion Posted: Thu Oct 12, 2017 3:14 am Subject: RS232 missing characters |
| I am working on a motor controller using a PIC24EP256MC204.
The controller uses I2C to communicate with another board, SPI for the control of local ADCs and UART via an FDTI UART to USB chip (FT232RL ... |
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| Topic: Subroutine returns to wrong point - any ideas |
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| turpin62 Replies: 11 Views: 8721 |
Forum: General CCS C Discussion Posted: Sun Mar 23, 2008 12:30 pm Subject: Subroutine returns to wrong point - any ideas |
| Finally had a bit of time to sort out a short code that shows the problem - below.
Used #ORG to force the getid function to call across the memory page boundary. As included here the sleep comma ... |
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| Topic: Subroutine returns to wrong point - any ideas |
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| turpin62 Replies: 11 Views: 8721 |
Forum: General CCS C Discussion Posted: Thu Mar 20, 2008 11:53 am Subject: Subroutine returns to wrong point - any ideas |
| Hi Ken,
I had the same thought this morning and so upgraded to 4.069. The compilation above is from 4.069. |
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| Topic: Subroutine returns to wrong point - any ideas |
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| turpin62 Replies: 11 Views: 8721 |
Forum: General CCS C Discussion Posted: Thu Mar 20, 2008 9:39 am Subject: Subroutine returns to wrong point - any ideas |
| The problem only occurs when the call to getid() is on a different memory page to the function code and the ID space. In my case the call is on the page above 0x200 and the function and ID space is be ... | |
| Topic: Subroutine returns to wrong point - any ideas |
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| turpin62 Replies: 11 Views: 8721 |
Forum: General CCS C Discussion Posted: Thu Mar 20, 2008 5:15 am Subject: Subroutine returns to wrong point - any ideas |
| Cutting down the code actually makes the problem go away which probably gives a clue as to the nature of the problem
The ID location is set up by #define to reserve some space #org 0x00ef, 0x00f ... |
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| Topic: Subroutine returns to wrong point - any ideas |
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| turpin62 Replies: 11 Views: 8721 |
Forum: General CCS C Discussion Posted: Wed Mar 19, 2008 1:49 pm Subject: Subroutine returns to wrong point - any ideas |
| 1) Not using #SEPARATE but .lst file reports
Stack: 2 worst case (1 in main + 1 for interrupts) 2) There is an ASM jump to pick up the ID. However, this code works on the same chip in anoth ... |
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| Topic: Subroutine returns to wrong point - any ideas |
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| turpin62 Replies: 11 Views: 8721 |
Forum: General CCS C Discussion Posted: Wed Mar 19, 2008 1:20 pm Subject: Subroutine returns to wrong point - any ideas |
| Hi,
I am writing a data transmision code for a PIC12F509 using PCWH compiler version 4.030. Thought this morning that this was a 20 minute job - ever the optimist! The programme has a call once r ... |
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