Author |
Message |
Topic: SMBus / I2C Problem |
JeffLewcock
Replies: 32
Views: 55209
|
Forum: General CCS C Discussion Posted: Mon Dec 22, 2014 3:19 pm Subject: SMBus / I2C Problem |
Hi PCM
I cant remember why this was but there are nearly 50 of these systems in the field all working with no reported problems
See earlier discussion
Jeff |
Topic: SMBus / I2C Problem |
JeffLewcock
Replies: 32
Views: 55209
|
Forum: General CCS C Discussion Posted: Mon Dec 22, 2014 2:52 pm Subject: SMBus / I2C Problem |
Hi,
I had to restore a backup to find my original IR reader program.
My pullups were 3K3 or 3K0 from memory
As I said on the original post, be very carefull with decoupling keep cap real clos ... |
Topic: StrFnd Function |
JeffLewcock
Replies: 5
Views: 7650
|
Forum: General CCS C Discussion Posted: Wed Jan 30, 2013 3:46 pm Subject: StrFnd Function |
I made a mistake, I assumed strfnd was the same as strfind I don't think it is
as strfnd is defined in the program thus
////////////////////////////////////////////////////////////////////////// ... |
Topic: StrFnd Function |
JeffLewcock
Replies: 5
Views: 7650
|
Forum: General CCS C Discussion Posted: Wed Jan 30, 2013 3:28 pm Subject: StrFnd Function |
Hi Temtronic
No I dont think you're missing anything thats what I though.
I cannot find a good explanation of the strfnd function so cant see what the p1+1 bit is doing either
The code is fro ... |
Topic: StrFnd Function |
JeffLewcock
Replies: 5
Views: 7650
|
Forum: General CCS C Discussion Posted: Wed Jan 30, 2013 3:07 pm Subject: StrFnd Function |
Not sure if this question is really for this forum but here goes
I need but cannot find a good description of strfnd in string.h
I'm trying to work out how it is used in this code snippet
p1 ... |
Topic: (SOLVED) Problem reading data from RS232 |
JeffLewcock
Replies: 11
Views: 13421
|
Forum: General CCS C Discussion Posted: Tue Jan 29, 2013 5:11 am Subject: (SOLVED) Problem reading data from RS232 |
Thanks Guys !
I have solved the problem, one of the cables I was using crossed pins 2 and 3 on the DB9
Feel a bit silly now !
jeff |
Topic: (SOLVED) Problem reading data from RS232 |
JeffLewcock
Replies: 11
Views: 13421
|
Forum: General CCS C Discussion Posted: Mon Jan 28, 2013 12:42 pm Subject: (SOLVED) Problem reading data from RS232 |
Hi Ttelmah
Thanks for your input, I did realise this but could not work out whether somehow kbhit was being ignored so added the "interrupted" flag as a double check.
The weird thing i ... |
Topic: (SOLVED) Problem reading data from RS232 |
JeffLewcock
Replies: 11
Views: 13421
|
Forum: General CCS C Discussion Posted: Mon Jan 28, 2013 10:15 am Subject: (SOLVED) Problem reading data from RS232 |
Sorry Example code removed !!!
Brain not in gear.
I have transmitted data from both streams to the PC terminal both streams have level shifting hardware.
I have changed the example EX.SISR.c to ... |
Topic: (SOLVED) Problem reading data from RS232 |
JeffLewcock
Replies: 11
Views: 13421
|
Forum: General CCS C Discussion Posted: Mon Jan 28, 2013 9:33 am Subject: (SOLVED) Problem reading data from RS232 |
I am trying to program a device to control a clock using GPS input for time.
I am having a problem getting data from the 232 I have read all the posts regarding this but cannot get even the simplest ... |
Topic: Melexis 90615 connection problem |
JeffLewcock
Replies: 49
Views: 45141
|
Forum: General CCS C Discussion Posted: Sat Jan 21, 2012 5:29 pm Subject: Melexis 90615 connection problem |
As Ttelmah has said, you need to left shift the address by one bit, multiplying by 2 does this in my code. You can just shift if you want
As I said this is a small part of a much larger program mat ... |
Topic: Melexis 90615 connection problem |
JeffLewcock
Replies: 49
Views: 45141
|
Forum: General CCS C Discussion Posted: Mon Jan 09, 2012 2:11 pm Subject: Melexis 90615 connection problem |
Hi Marco
If you are going to copy my code from this post
http://www.ccsinfo.com/forum/viewtopic.php?t=45147&highlight=mlx90615
You should really have read it !! I was asking for help for ... |
Topic: Melexis 90615 connection problem |
JeffLewcock
Replies: 49
Views: 45141
|
Forum: General CCS C Discussion Posted: Mon Jan 09, 2012 1:53 pm Subject: Melexis 90615 connection problem |
Hi Marco
Here is my code for reading the MLX90615
I was able to access it from home !
int8 TempLSB,TempMSB,PEC;
int16 TempRAW;
float Temperature;
float MLX90615_Read_Device_Temp(in ... |
Topic: Melexis 90615 connection problem |
JeffLewcock
Replies: 49
Views: 45141
|
Forum: General CCS C Discussion Posted: Mon Jan 09, 2012 1:38 pm Subject: Melexis 90615 connection problem |
Hi Marco
First as someone has already pointed out the PIC should be a 3.3v type I'm not entirley sure that is will work with a 5v PIC
The second from memory there was a "GOTCHA" in the ... |
Topic: MS5607B Calculations |
JeffLewcock
Replies: 11
Views: 14348
|
Forum: General CCS C Discussion Posted: Wed May 18, 2011 3:36 pm Subject: MS5607B Calculations |
Hi Ttelmah
I will look into the "pow" operator !
Thanks
Jeff |
Topic: MS5607B Calculations |
JeffLewcock
Replies: 11
Views: 14348
|
Forum: General CCS C Discussion Posted: Wed May 18, 2011 3:19 pm Subject: MS5607B Calculations |
HI Ttelmah
I have tried casting the multiplier as int32 and float
but both ways the answer is incorrect the correct answer is 5764677632
Offset = ((float)C[1] * (flo ... |
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