Matrix user forums

hello Jorgen,
You are not Ben, but you master well too
you're right, i'm an idiot that i haven't seen this before.
Thank you very much

Hi Benj, First i wish you and the whole team a happy new year 2021. I have a problem with the ILI9341 with F9. There is confusion between the X and Y axes. The 0 of X1 is -80 and X2 is 240 (80 + 240 = 320) It also seems that there is a problem with the SetBackgroundColour macro. I attach a photo of ...

Thank you Benj, TMR0=0xFF it is, as you said, to reset the counter to 0 when overflowing. I tried without the C code and it's the same. It is incredible because this program work before, and it seems to me correct! The interrupt is on A2 (this is the external "clock" input, it is the signa...

Hello Benj, Everyone, I have a problem that I can not solve with the attached program, which was running Flowcode 7 I think or maybe 6 (I don't remember), whatever, it worked. Lately I opened it under Flowcode 8.1.1.11 and compiled, since it doesn't works (in simulation under Proteus) the displayed ...

Hello Benj, Thank you very much for your answers. I am sorry for this delay, I prepared, and now I am on an exhibition to present my products. It is very tiring ! I bought the XC8 compiler, 2 years ago and I use it every time. I tried to change the config 0x1; 0x2 and the OSCCON parameter. I calcula...

Hello everyone, I have a big problem with the operation of the DS18B20 and the PIC18F26K22. Usually I use a PIC 16F1829 with an OSCCON F0 configuration (32MHz) PLL enable and clock Flowcode at 32MHz and it works fine. Now I changed Pic for reasons of use of additional inputs and outputs, but here it...

Thank you Benj,
I will try the first solution.
As for the second that you propose, I tried in C but I was not successful, during the compilation I got a lot of errors. Do you have an example (under the elbow).
Luc

Hello Benj,All, I would like, for reasons of precision, to be able to memorize in the EEPROM for example a value U = 4.9542 I tried by creating a 16-bit shift variable, with a variable U as Integer MSB = U >> 8 LSB = U => EEVAL = (MSB << 8) + LSB eeprom1::write(0,MSB) eeprom1::write(1,LSB) It works ...

Medelec,
Forget all, sorry, I confused all.
But for a delay of 8 hours, if I set the timer 2 the minimum frequence is 122.070
for 8 hours 122.07 x 3600 x 8 =3515616
it is too much for the counter

Hello Medelec thank you for this answer, I understand the role of the interruption, by cons if I have a main program that runs at 32 MHz (for example OSCCON 0xF0 for the 16F1829) and I want to involve this delay triggered by an interruption every 15.259 Hz (OSCCON 0x38), I can not mix the 2 OSCCON, ...

Sorry, I unsheathe too quickly! lol
forget the question on 15.259 (the prescaler must be set to 1:
oh my God

Benj, I watched the demo you added. the OSCCON is settled: SCS = Oscillator Timer 1; IRCF = 31 KHz; SPLLEN = 4 x PLL disabled I do not understand : the interrupt frequency you wrotte at 15.259 Hz instead of 31 KHz; the timer is disabled (perhaps to avoid calling a macro, only for the demo). Do I hav...

Thank you very much Benj for all In my question, about 8, I forgot to add "Hours". Yes I wonder how one can manage to count several hours, knowing that at the bottom, in general, with a prescaler at 1 the frequency of interruption is around 125 Hz => 125x3600x8 = 3600000. Sorry Benj for th...

Hello All my question is about timers. If I want, for example, to turn on the backlight of an LCD for 2 minutes, by pressing a push button and otherwise the main program continues to run. I imagine that I can bring in a timer (interupt), but if the delay should last 8:00, how can I (PIC 16F1829). Th...

Sorry Benj,
Many thanks also, it is clear now for me.
Luc

thank you very much Martin, I finally understood!
I need time, but now it's ok.
I will follow your advice and avoid using divisions and multiplication
the bit shifting will do the trick.
Many thanks a new time
Luc

Many thanks Martin, For the osccon that's OK, thanks. but for the EEPROM, I took a look at the thread and I don't understand, because you wrote : ByteHigh = (IntValue/ 256) ByteLow = IntValue - ByteHigh* 256 for exemple, IntValue = 1000; ByteHigh = 1000/256 = 3.9; ByteLow = 1000 - (3.9*256) = 0. I a...

Thanks a lot Martin, I shall try your adding proposal. through my question and your answer, I discovered the "IntOsc Helper", (it's good to ask questions and especially to get good answers). unfortunately in the Helper it is not possible to go above 16 MHz, the Helper does not take into ac...

Hello All, I would like the speed clock of the PIC to be set to 64 MHz. I wrote in C Code "OSCCON = 0x7C", General Option (in Flowcode) 16000000Hz clock speed and Configure 0x1 = 39ff; 0x2 = 0x3cf9; 0x3 = 0x9bff My problem is that I am not sure of my 0x7C and I hesitate with 0x74 (OSCCON),...

Martin,

I have a very good news, the project work correctly.
My son will be very happy, me to.
Without your help, I don't think that I find the solution.

Many thanks really

Luc

Hi Martin,

Many thanks for your reply, I am very confuse.
I modify my program and I shall inform you of the result.

Luc

Bonjour, Je suis toujours sur mon projet et je ne m'en sors pas. Je n'arrive pas à "isoler" les 2 signaux lorsqu'ils sont à 1 (+5V), pous basculer ma sortie à 1. Je joins 2 fichiers, le premier en format Word montrant une image des signaux issue de Proteus et le second fichier le Flowcode....

Many Thanks Martin.
Now it is much more clear for me with your good explanation.

Luc

Je joins un fichier Excel montant le graph de la séquence du signal de sortie du récepteur et l'état de la sortie pour alimenter un relais. Si quelqu'un peut m'aider à comprendre pourquoi le TMR0 ne déclenche pas sur le front montant du signal de sortie du récepteur et que le comptage lorsque le sig...

Bonjour Pilou,

Lorsque je désire un prix, j'appelle Multipower dont voici les coordonnées:
Société MULTIPOWER
www.multipower.fr

Imane BENCHRIF
Responsable Administrative

Tél. : 01.53.94.79.90
Fax : 01.53.94.08.51
Mail : imane@multipower.fr

En espérant que cette info réponde à ton attente.
Luc