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| Search found 13 matches |
| Author | Message |
|---|---|
 Topic: signal and interrupt detection on 12F |
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| Alanis Replies: 7 Views: 5866 |
 Forum: General CCS C Discussion Posted: Wed Feb 27, 2008 11:50 am Subject: signal and interrupt detection on 12F |
| Any idea about my signal detection problem ?
If someone knows how to solve this please give a tip where to start. Thank you. |
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| Topic: signal and interrupt detection on 12F |
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| Alanis Replies: 7 Views: 5866 |
Forum: General CCS C Discussion Posted: Mon Feb 25, 2008 1:16 pm Subject: signal and interrupt detection on 12F |
| Hi friends!
I got myself the 16F877 chip and am testing this on demo board. Now i want to continue with my project in this enviroment. What would be the first step, should i go with external inte ... |
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| Topic: signal and interrupt detection on 12F |
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| Alanis Replies: 7 Views: 5866 |
Forum: General CCS C Discussion Posted: Sat Dec 22, 2007 12:19 pm Subject: signal and interrupt detection on 12F |
| Please read this post:
http://www.ccsinfo.com/forum/viewtopic.php?t=32324&highlight= |
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| Topic: signal and interrupt detection on 12F |
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| Alanis Replies: 7 Views: 5866 |
Forum: General CCS C Discussion Posted: Wed Dec 19, 2007 3:35 pm Subject: signal and interrupt detection on 12F |
| Hi.
Am not sure how to use the interrupt routine for such problem. To be true i dont know if this is the right way to do something like this, because i dont think that external interrupt can detec ... |
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| Topic: signal and interrupt detection on 12F |
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| Alanis Replies: 7 Views: 5866 |
Forum: General CCS C Discussion Posted: Sun Dec 16, 2007 2:01 pm Subject: signal and interrupt detection on 12F |
| After some time offline...
I write this small code to test the interrupt that i want to use as signal detector input. I dont know if this is the wright way to do this, so i need your suggestions.Pl ... |
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| Topic: Connecting MAX232 pcb to Pickit 1 demo board |
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| Alanis Replies: 1 Views: 4058 |
Forum: General CCS C Discussion Posted: Sat Dec 08, 2007 4:17 am Subject: Connecting MAX232 pcb to Pickit 1 demo board |
| Hello!
I made some pcb with max232 that i want to use as connection between pickit1 and PC, so i can output processed data. I dont know what is wrong but i can not get any output on the PC. I did g ... |
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| Topic: Outputing binary data |
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| Alanis Replies: 10 Views: 8707 |
Forum: General CCS C Discussion Posted: Tue Oct 09, 2007 9:44 am Subject: Outputing binary data |
| @Ttelmah
There is just one small part that i want to talk about per PM. Please be so kind and send me PM ( cuz i dont know if you are registred ), so i can explain you the main thing behind this dat ... |
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| Topic: Outputing binary data |
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| Alanis Replies: 10 Views: 8707 |
Forum: General CCS C Discussion Posted: Fri Oct 05, 2007 5:45 am Subject: Outputing binary data |
| Hi.
If the digital data is represented in 1 and 0 then logical low would be 1 or 0. Unbelievable huh 
What i want to do is to pass this digital data per port A4, at 19200 b/s but on the way ... |
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| Topic: low - high + interrupt |
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| Alanis Replies: 3 Views: 3484 |
Forum: General CCS C Discussion Posted: Fri Oct 05, 2007 3:04 am Subject: low - high + interrupt |
| Setup a timer with the correct speed and enable interupt.
-If my internal ring oscillator is 8 MHZ, what is the correct timer setup ? Start the timer in the middle of the first bit. - I dont und ... |
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| Topic: low - high + interrupt |
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| Alanis Replies: 3 Views: 3484 |
Forum: General CCS C Discussion Posted: Thu Oct 04, 2007 4:58 am Subject: low - high + interrupt |
| Hi guys !
Do you have and idea how to make this ? In general, i dont know how to define that L-H read out. e.g. how to read the levels if i get 3 time L L L or H H H ... Alan p.s. incoming ... |
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| Topic: low - high + interrupt |
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| Alanis Replies: 3 Views: 3484 |
Forum: General CCS C Discussion Posted: Tue Oct 02, 2007 12:31 pm Subject: low - high + interrupt |
| Hi !
How to read out this low - high sample: L- L- L- H- H- H- H- L- L- H- H- L- L- H- H Maybe with some interrupt routine ? The chip that am using is 16F877. Alan |
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| Topic: How to detect input - output signal |
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| Alanis Replies: 16 Views: 16990 |
Forum: General CCS C Discussion Posted: Sat Sep 29, 2007 3:00 am Subject: How to detect input - output signal |
| wire (bidirectional input/output) + Reference?
- thats the one. the shortest pulse time duration (in usec) - if i use freq of 3,5 MHZ the puls is cca 110 uS. - if i use 5 MHz the puls is cca 82 ... |
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| Topic: How to detect input - output signal |
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| Alanis Replies: 16 Views: 16990 |
Forum: General CCS C Discussion Posted: Fri Sep 28, 2007 9:09 am Subject: How to detect input - output signal |
| 1) From what device the signal is coming from?
- from embedded system based on prepaid cards. 2) How many wires are carrying such signals? - one input - output 3) How did you determine the 9 ... |
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