Matrix user forums

Hello Matrix team,
Have you got any idea about the problem between Timer1 and Timer2 ?

I confirm that the problem appears during simulation and when using control board.

I don't know what to do.

Hello Benj, I tried several tests tonight. First , I removed Interrupt on Timer0, keeping the interrupt of Timer1 on external clock RC0. No change, motor left affected, reversed. Second, I put back the 2 interrups, on both timers, but both on internal clock at 2441 Hz, motor left affected. 3rd test,...

I agree with you that Timer2 should not be affected by use of Timer1, that's something very disturbing. I did not try to run Timer1 without Timer0, I'll give it a try this evening. About clok sources, I'm not simulating, my program is running on my mobile plateform, with 2 motors and IR odometers. O...

Hello Benj, Still working on my robot, I found a new problem. Here we are, my project runs on a PIC 16F877a, I am using PWM component to run motors 1 and 2 separatly. I intend to measure distance of each wheel using odometers. I wanted to use interrupts, one wheel distance counted by timer 0, the ot...

Thanks Benj, Finally, after a couple of bad results, everything's clear, uploading ok, with the right configuration, and RS232 working well. At last, the mess I did was due to the fact that my PPP setting did not stand while doing all the tests. I should have check that, but you know ... Well, now, ...

Right Benj, So I have to put the configuration into an additionnal C code control box ? Actually I tried last night, but every time, what I've got was a compiling failure from C to asm : D:\Matrix Multimedia\Flowcode V3\Exemples 16F877\TUT_09_printf.c(303): error: missing semicolon D:\Matrix Multime...

Thanks Benj for the answer,I understand that the expert configuration screen is from PPP software. Unfortunatly, the 16F877 on which I try to load my programm is on a developpment board I built. And you know what, I have only the serial port to upload my program. And it seems to me that PPP has been...

Dear MatrixMultimedia team, One more post on this forum for tonight, I would have two requests about new components, the first one would be an I2C sonar sensor like the MSU10 or SFR08 , and the other would be the I2C compass CMP03 . Both of these components are widely used for personal robots and wo...

Hi MatrixMultimedia team, I've got another RS232 problem ... I recently purchased FlowCode, because of my poor software programming skills, Flowcode sound a lot easier. However, to debug my programs, which run on a PIC16F877A CPU board that I built, I use the RS232 trhough a MAX232 connected to my P...

Hi everybody,
I'm having troubles when compiling Flowcode. It happens sometimes on some programs, while on other it happens every try.
The error message is
"Error : Access Violation at 0x7C92084B (tried to write to 0x00030FFC), program terminated.

Have you got some ideas ?

Alain