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I did your suggestions.
BAUD = 100000 Did the work !

adc_io works now. Still have problem with mcp32xx but feel more confident that the problem is on settings so i can focus on that.

Yes it has, i added one more just in case. The more the better. However i noticed that probes were responsible for the noise too. Adding a small ceramic on the probe itself while measuring, things wen ...

That's a LOT of noise on VDD !!!
It should be perfectly 'flat' and NOT have those 'spikes'. You need to find out what's causing them( looks like some kind of clock ?) and ELIMINATE it.

That's prob ...

Yes i use hardware spi
#use SPI (MASTER, DO = PIN_c7, DI = PIN_b5, CLK = PIN_B4, BITS = 8, Mode = 0)

Here is my v supply on main board and then on mcp board. They are ground coupled.

T ...

wow ! nice morning task.
Before i check it i should mention that

I was misunderstood. I use pic18f47j53. I do use lu to print int16 . I mention that the first 3 variables that i printed, was not ...

h and l are int.
It doesn't compile with lu .

actualy you can see adc1 variable which is shown with %lu and is over 255. This is the output .
I just added the rest variables in a destructive way ...

Hi. It's being too long since this thread was created.
I use mcp3208 with 3.7v supply (reference too).

I have an external power supply ( common ground with pic etc) and i test the digital output ...

Ok. Since string is variable, i will get the length with strln and adjust the command.
Thanks

No, _much_ cleaner.

fputs(&usb_buffer

Hi again. I'm not sure whether i should open a new thread since it's a follow up.
I used this code in this form:
sprintf(usb_buffer,"%s\r&quo ...

Well that was probably bad use of delay,
i wrote this code to replace my delay_ms and now its super fast..

dbg_printf("\r\nbuffer1 : %u",tx_buffer_bytes());
...

After making a big program that uses rs232, I found out that something is wrong with rs232. I realised that when i tried to send more bytes than my buffer is. I will try to print only things that matt ...

thank you so much

I want to figure out how to split my main.c into many files.
For example i have main.c , variables.h and functionA.h .

i use
#INCLUDE <variables.h>
in main.c , that's ok.

I want to move ...

No i don't add null. After the fputs however, i use putc; command as many times as the characters are to be sent and they leave.
By your sayings i understand that i didn't have to use putc! I will g ...

Shifting is for bits inside a variable. To move a string, you would have to use
strcpy, or memmove. However both would involve a lot of work.
Why move it?. Just don't copy this value out of the buff ...