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The reason for wanting to embed a code in the beginning of the binary filewas so that the file can be accepted/rejected early in a transfer process when transmitted over a low bandwidth link.

I know about the ID location features, but I specifically want a form of ID that is embedded within the first few bytes of the binary/hex file.

Most 18Fxxx PICS I have used have the reset vector at 0x0000 in ROM, and the IRQ vectors table at 0x0008 and 0x0018

My question is - can I embedded Data at 0x0006 and 0x0007 without
upsetting any ...

Apologies if this seems a bit off-topic.

I notice in your Timer1 and Timer2 interrupt code you call delay_us(), and by the looks of your arguments, may be expecting delays of over 1ms.

Given tha ...

My basic problem with the 18F25K22 part is now resolved - see the new thread I started. Turns out it related to port C pins defaulting to analog inputs and this not being set correctly by the complier ...

I am pleased to report that I can now answer my own question!

YES.

The gotcha is as follows : On the 18F25K223 part, many of the port A, B and C inputs default to being ANALOG, not digital. See ...

Has anyone successfully used the I2C functions on the 18F25K22 ?

I am using compiler v4.112, and my simple test code works when compiled for an 18F252, but not when compiled for the 18F25K22.

I ...

Hi

Have you got anywhere with this? As I posted earlier, I have a very similar issue with a PIC18F25K22 part (compiler version 4.112), although I have not yet tried taking out the FORCE_HW in #use ...

Have you configured the two port pins as INPUTS? This may not be intuitive, but I seem to recall it is mentioned as a requirement in some of the POC data sheets.

Can you post the code generated by ...

Hi Joerg

I have found the problem.

If you use setup_oscillator(OSC_64MHZ | OSC_INTRC) the compiler initialises OSCCON to 0x72

This does not allow the PLL to be seen as the clock source, even ...

Has anyone experience of using the CCS compiler (I have 4.112) with the PIC 18F25K22 ?

I have a simple led flash program running user timer0 to generate a 10mS RTC, but cannot get my head around th ...

Thanks

I had also emailed ccs support with details of the problems encountered, so let's hope that between the two of us we get some resolution.

When I switch to Diagnostics/Check for SW updates I get a green tik, and ??? and a pop-up that says '?.??' is not a valid floating point value along side a red cross and one button to click on that is ...

I have a similar problem.

I bought a Machx some years ago, but have only just now needed to use it, so I attempted to find the latest code from CCS. I too found that all mention of machx.exe had di ...

I am using PCWH 3.249 and PCWHD 4.073.

PIC 18F252

At background in my code I call write_eeprom(), but as it masks interrupts for the entire time it takes to write data to the internal eeprom, I ...