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Hi,

I find these threads incredibly annoying. The OP engages in lots of back and forth here on the forum - ie. he benefits from the collective wisdom of the forum members - and then suddenly posts ...

great, now we're back to square one. You've got the CCS bootloader up and running.
You should never,ever alter or edit the CCS examples ! Simply copy and rename them,do the editing on your versions. ...

Greetings,

i could make the example of the bootloader work and it does what it has to.

i wonder if theres an option to increase the size of the bootloader to add some code i tried to modify this ...

I would try setting the handshake in device manager for the port, as well as in TeraTerm.
I have found a number of machines (and possibly may be TeraTerm version related), where the TeraTerm setting ...

Hi thanks for your comments,

I'm using the r232 example with a ftdi

1) i compile a led project with 1Hz and seems to work well

2) i made the test with the ftdi and tera term terminal and i re ...

Hi,

I'm not able to compile your code,
here are code that works :

bootloader :#include <18F2550.h>
#fuses NOWDT
#use delay(clock=8000000,internal=8000000)
// #use delay(cry ...

hmm..
any time you use serial you need to add 'errors' to the use rs232(....options...)
..
I'm surprised the ccs example doesn't have it...
though as I said before, I haven't used their bootloader ...

https://www.dropbox.com/s/mlv8zym0yf6g73i/2016-03-15_183355582.mp4?dl=0

here´s a video so you can see what i see,

the blue line its the data from the pic to pc and de yellow one its from the pc ...

OK... time to go back a few steps

Have you been able to compile/load and execute a simple '1Hz LED' program? All it needs to do is 'toggle' an LED on an I/O pin ?

Jay

done i compile one with ...

I didn't use bootloader before but I had a work with 18f2550 and these are my config settings, you can use as referance if you suspect on your config.
(I used USB functions so I use both internal and ...

I haven't played with bootloaders but..... have you confirmed that the PB on A1 does function ?
Perhaps add code after PB is pressed to say 'PB pressed...now downloading', or something to that effect ...

Hello everyone,

I have been trying to use the bootloader for r232 with a 18f2550, i'm using the example provided by CCS (ex_bootloader and ex_bootload) but something seems to be missing.

This is ...