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| Search found 16 matches |
| Author | Message |
|---|---|
 Topic: 18F67J60 Ethernet Link Problem... |
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| zilot Replies: 14 Views: 27307 |
 Forum: General CCS C Discussion Posted: Thu Sep 25, 2008 7:54 am Subject: 18F67J60 Ethernet Link Problem... |
| This was just experiment, because I want to switch on ethernet LAN communication between hardware and PC in SCADA system for some industrial process. So far I've made systems with modbus, with 18f4520 ... | |
| Topic: 18F67J60 Ethernet Link Problem... |
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| zilot Replies: 14 Views: 27307 |
Forum: General CCS C Discussion Posted: Thu Sep 25, 2008 1:57 am Subject: 18F67J60 Ethernet Link Problem... |
| That point of 3.3v was whole problem, I didt conect and there where no bias current to ethernet moduel, now it works nicely. The problem one can have here is RJ45 connector with transformer isolation. ... | |
| Topic: 18F67J60 Ethernet Link Problem... |
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| zilot Replies: 14 Views: 27307 |
Forum: General CCS C Discussion Posted: Wed Sep 24, 2008 11:51 pm Subject: 18F67J60 Ethernet Link Problem... |
Thanks, now it is clear  |
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| Topic: 18F67J60 Ethernet Link Problem... |
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| zilot Replies: 14 Views: 27307 |
Forum: General CCS C Discussion Posted: Wed Sep 24, 2008 12:02 pm Subject: 18F67J60 Ethernet Link Problem... |
| So, due to high frequences, middle point of resistors can be considered as ground (AC sweep), and current of TPOut+- goes through 49.9 resistros and 1:1CT. If you say 49.9 resistors are for stand wave ... | |
| Topic: 18F67J60 Ethernet Link Problem... |
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| zilot Replies: 14 Views: 27307 |
Forum: General CCS C Discussion Posted: Wed Sep 24, 2008 8:12 am Subject: 18F67J60 Ethernet Link Problem... |
| Is ferrite bead necessary ? On this image, will circuit work without it, just connected to Vcc=3.3v at the middle point of resistors? I have problem to make this circuit working, I haven't put that f ... | |
| Topic: Simple State Machine Concept |
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| zilot Replies: 8 Views: 16241 |
Forum: General CCS C Discussion Posted: Fri Feb 09, 2007 2:12 am Subject: Simple State Machine Concept |
| Till today I've tried Matlab RTW code generator for State Machine, and some models from simulink, VisualState IAR product, and Rhapsody. None of producted c codes cant be easily modified for PIC CCS, ... | |
| Topic: Simple State Machine Concept |
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| zilot Replies: 8 Views: 16241 |
Forum: General CCS C Discussion Posted: Thu Feb 08, 2007 5:15 am Subject: Simple State Machine Concept |
| My first idea was to realise State Machine as structure, actually to define State Machine type, and to define States as type too. But was disapointed when realised that CCS doesnt support pointers to ... | |
| Topic: Simple State Machine Concept |
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| zilot Replies: 8 Views: 16241 |
Forum: General CCS C Discussion Posted: Thu Feb 08, 2007 1:50 am Subject: Simple State Machine Concept |
| I became frustrated when realised I cant do almost any modification of generated code from some embedded UML based software, to work with CCS compiler and PIC. There is visual state (IAR systems), but ... | |
| Topic: Simple State Machine Concept |
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| zilot Replies: 8 Views: 16241 |
Forum: General CCS C Discussion Posted: Wed Feb 07, 2007 10:23 am Subject: Simple State Machine Concept |
| Here is some simple state machine concept, maybe someone finds it
as usefull.Any comment? //////////////////////////////////////////////////////////////////////////// /////// ... |
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| Topic: Matlab RTW Single Tasking Program |
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| zilot Replies: 2 Views: 4381 |
Forum: General CCS C Discussion Posted: Mon Feb 05, 2007 12:49 pm Subject: Matlab RTW Single Tasking Program |
| Thanks
Seems thay offer software with no demo or evaluatin, cant have full image of their solutions. BTW, anyone who can recommend some good StateMachineCode automatic code generator that can be ... |
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| Topic: Matlab RTW Single Tasking Program |
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| zilot Replies: 2 Views: 4381 |
Forum: General CCS C Discussion Posted: Mon Feb 05, 2007 11:48 am Subject: Matlab RTW Single Tasking Program |
| Has any one tried to take advantages of Matlab Real Time Workshop in generating C source code and after compile it with CCS.
Does it have any sense to try to adapt generated sorce code of RTW for ... |
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| Topic: How many times can 16F877A EEPROM be written |
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| zilot Replies: 5 Views: 8403 |
Forum: General CCS C Discussion Posted: Mon Dec 11, 2006 9:01 am Subject: How many times can 16F877A EEPROM be written |
| Thank you Ttelmah for useful hints. I understood eveything, will bear in mind for future projects.
regards |
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| Topic: How many times can 16F877A EEPROM be written |
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| zilot Replies: 5 Views: 8403 |
Forum: General CCS C Discussion Posted: Sun Dec 10, 2006 6:30 am Subject: How many times can 16F877A EEPROM be written |
| Thank you both
It is also worth considering whether you really have to write at all. I have a number of systems, some of which have been running continuously now for years, using the older EEPROM v ... |
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| Topic: How many times can 16F877A EEPROM be written |
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| zilot Replies: 5 Views: 8403 |
Forum: General CCS C Discussion Posted: Sat Dec 09, 2006 4:01 am Subject: How many times can 16F877A EEPROM be written |
| In data sheet stands for EEPROM
Endurance 100K at 25C and 5V. Units are E/W (suppose erase, write), does it mean that in program that chip executes in its life you can call 100 000 times instructi ... |
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| Topic: modbus.c Driver in PCW 4.014 |
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| zilot Replies: 3 Views: 7492 |
Forum: General CCS C Discussion Posted: Wed Nov 22, 2006 1:01 am Subject: modbus.c Driver in PCW 4.014 |
| Actually this was my reply | |
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