Author |
Message |
Topic: UART PIC to PIC communication |
red32terra
Replies: 0
Views: 3113
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Forum: General CCS C Discussion Posted: Thu Mar 05, 2009 4:29 am Subject: UART PIC to PIC communication |
Hi, i want to communicate multiple PIC16F877a. One is sort of a master and the rest are slaves. I am using CCS version 4.084 with MPLAB ICD2 debugger. Sorry for the long code.
Here is the code of t ... |
Topic: sending string/characters during zero crossing |
red32terra
Replies: 8
Views: 7472
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Forum: General CCS C Discussion Posted: Wed Dec 10, 2008 2:40 pm Subject: sending string/characters during zero crossing |
Hi sir.
You are right. We are injecting (asynchronously) serial characters onto zero crossings of a power line (sort of a timed transmission data communication) which somehow lessen noise during tran ... |
Topic: sending string/characters during zero crossing |
red32terra
Replies: 8
Views: 7472
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Forum: General CCS C Discussion Posted: Wed Dec 10, 2008 5:20 am Subject: sending string/characters during zero crossing |
Hi.
I am sort of a newbie in this thing and I am looking for any help on putc/puts characters during zero crossing. I am using PIC16F877A.
I want to send:
for (Ctr1=0;Ctr1<=7;Ctr1++& ... |
Topic: PIC operated FSK modem help |
red32terra
Replies: 6
Views: 12361
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Forum: General CCS C Discussion Posted: Tue Nov 18, 2008 12:51 am Subject: PIC operated FSK modem help |
Hi, FvM. thanks for replying . You are right. we are currently developing a signal conditioning circuit (optoisolator, amplifiers) between xr2206 and line interface.
But I'm much more concerned wit ... |
Topic: PIC operated FSK modem help |
red32terra
Replies: 6
Views: 12361
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Forum: General CCS C Discussion Posted: Wed Nov 12, 2008 11:46 pm Subject: PIC operated FSK modem help |
Hi, thank you guys for your quick reply.
Sorry, I forgot to tell you the detail that we'll be communicating over powerline, we are "tasked" to use VEPC-2 as an line coupling interface(L ... |
Topic: PIC operated FSK modem help |
red32terra
Replies: 6
Views: 12361
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Forum: General CCS C Discussion Posted: Wed Nov 12, 2008 3:43 am Subject: PIC operated FSK modem help |
hi, i'm interested building a FSK modem around a PIC microcontroller (PIC16F877A to be exact). we had XR2206/XR2211 as mod/demod, and zero a crossing detector. The modem will be used to communicate w ... |
Topic: communication between multiple 16f877 |
red32terra
Replies: 10
Views: 10648
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Forum: General CCS C Discussion Posted: Thu Nov 06, 2008 3:40 am Subject: Re: master/slave rs232 |
if each slave has his own address and have int_RDA enabled can use rs232 when all on the same wire. the addressed will answer.
with max485 (or others) you can enable/disable each one, separate wires. ... |
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