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| Search found 19 matches |
| Author | Message |
|---|---|
 Topic: Using a 74HC4052 to switch between serial devices |
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| Ed Arnold Replies: 8 Views: 13369 |
 Forum: General CCS C Discussion Posted: Tue Jun 21, 2005 7:06 pm Subject: Using a 74HC352 to switch between serial devices |
| I was unable to find a data sheet for this part. TI's web site states this part is no longer in production. Digikey, Mouser, etc do not sell them. The only hits I got on Google were the japan surpl ... | |
| Topic: Using a 74HC4052 to switch between serial devices |
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| Ed Arnold Replies: 8 Views: 13369 |
Forum: General CCS C Discussion Posted: Tue Jun 21, 2005 6:49 pm Subject: Using a 74HC4052 to switch between serial devices |
| Thank you all for your replies. I got the answers I needed and your info clearified many confusions from the data sheets. I will also look into the 74HC352 that was mentioned.
Thanks Again :grin ... |
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| Topic: Using a 74HC4052 to switch between serial devices |
|
| Ed Arnold Replies: 8 Views: 13369 |
Forum: General CCS C Discussion Posted: Mon Jun 20, 2005 7:16 pm Subject: Using a 74HC4052 to switch between serial devices |
| This is a little off topic, sorry. I have a project which needs 4 serial ports to be polled off of one hardware serial port. I don't wish to use RS422/485. My question is, has anyone tried to use o ... | |
| Topic: multiple serial ports using 1 USART |
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| Ed Arnold Replies: 4 Views: 12377 |
Forum: General CCS C Discussion Posted: Mon Dec 27, 2004 9:53 pm Subject: multiple serial ports using 1 USART |
| Thanks for all of the replies. After looking at my original ideas and now with your suggestions, it would be most cost effective to use the Mux/Demux idea. It only requires 2 chips, 1 HC139 and 1 HC ... | |
| Topic: multiple serial ports using 1 USART |
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| Ed Arnold Replies: 4 Views: 12377 |
Forum: General CCS C Discussion Posted: Fri Dec 24, 2004 5:23 pm Subject: multiple serial ports using 1 USART |
| I have a project which will need up to 4 serial ports on 1 USART. For many reasons, I don't wish to use software serial ports. I also don't want to use an external SPI UART like a MAX3100. Since th ... | |
| Topic: OT - Shelf Life of Electronic Components |
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| Ed Arnold Replies: 2 Views: 8217 |
Forum: General CCS C Discussion Posted: Wed Nov 10, 2004 12:29 am Subject: OT - Shelf Life of Electronic Components |
| I would like to inquire about the average shelf life of electronic components. Specifically surface mount components. IC, Semiconductors, Caps, and Resistors. I did a search on Google and found sev ... | |
| Topic: cannot compile with new version |
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| Ed Arnold Replies: 1 Views: 7412 |
Forum: General CCS C Discussion Posted: Fri Jun 18, 2004 3:24 pm Subject: Problem Solved |
| Okay, that was easy. The compiler must have seen two #device directives and produced an error. 1 directive was in my header file and the other was in the devices' header file.
Ed Arnold |
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| Topic: cannot compile with new version |
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| Ed Arnold Replies: 1 Views: 7412 |
Forum: General CCS C Discussion Posted: Fri Jun 18, 2004 2:37 pm Subject: cannot compile with new version |
| I recently purchased a 1 year maintenance with CCS. My old version was 3.148. Now I am trying to compile code that worked perfectly with 3.148, but doesn't compile with 3.191 or 3.202. I get the er ... | |
| Topic: Function won't return anything other than 0. |
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| Ed Arnold Replies: 6 Views: 14962 |
Forum: General CCS C Discussion Posted: Sat Jun 05, 2004 1:20 pm Subject: same problem |
| I have had the same problem with my code. I ended up scraping the code. I am using version 3.148? Keep us posted with any new finding you may have. | |
| Topic: pointer to array of structures |
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| Ed Arnold Replies: 2 Views: 10134 |
Forum: General CCS C Discussion Posted: Sat Apr 10, 2004 9:25 pm Subject: pointer to array of structures |
| I have two PICs communicating thru i2c. I want to send an entire structure to the slave PIC. So I need to use a pointer, right. Only, this is an array of stuctures. I have never done this before a ... | |
| Topic: BCD to binary |
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| Ed Arnold Replies: 1 Views: 10363 |
Forum: General CCS C Discussion Posted: Sat Apr 10, 2004 8:38 pm Subject: BCD to binary |
| I have created a conversion between BCD to binary so that I can manage data from a DS1307 RTC a little easier. When I use the following function, it usually returns zero. I also have a binary to BCD ... | |
| Topic: send an entire structure thru i2c |
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| Ed Arnold Replies: 4 Views: 14148 |
Forum: General CCS C Discussion Posted: Mon Mar 01, 2004 1:23 pm Subject: send stucture thru i2c followup |
| Thanks for all of the replies. First, Ttelmah, this stucture is part of pre-existing code which works fine. When I tried to use a name or tag and pointers with this stucture, I got a compiler error, ... | |
| Topic: send an entire structure thru i2c |
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| Ed Arnold Replies: 4 Views: 14148 |
Forum: General CCS C Discussion Posted: Sun Feb 29, 2004 9:54 pm Subject: send an entire structure thru i2c |
| I first searched for this subject on this forum, but got a bunch of similar related i2c or stucture topics. But still not the answers I an looking for. Well here goes. The following code should exp ... | |
| Topic: Revision control manager |
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| Ed Arnold Replies: 2 Views: 12539 |
Forum: General CCS C Discussion Posted: Mon Feb 23, 2004 9:15 pm Subject: Revision control manager |
| Does anyone out there know of a good software package or even better shareware or freeware which will track project revisions? This would be better than having to do it all by hand. Any comments, su ... | |
| Topic: use preproccer #if to set column width on lcd |
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| Ed Arnold Replies: 6 Views: 18670 |
Forum: General CCS C Discussion Posted: Sun Feb 22, 2004 11:42 pm Subject: I made a mistake, imagine that |
| I made a mistake on the code posted earlier. Once I figured it out, it now compiles and I hope it runs. Here is the code again.
#if LINE_SIZE == 16 #define lcd_col_offset 0 #elif LINE_SIZE == ... |
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