Matrix user forums

Martin,
Thank you,
That was a sticking point to a much larger program.
Is it not recommended, or just not possible to use the same port for
the A/D and display?
-Craig

Hello, I am trying to just sample a 16f877A AN0, and display it on a 2 x 16 LCD. I have done that, but now I am trying to show the digits behind the decimal point. I cannot seem to use float to string to accomplish this, Can someone show me a sample of this? There is something basic I am missing. I ...

Acestu,
I didn't see the downloadable program, I thought it was only online.
I've got it now, Thanks!
-Craig

Hello,
When I first bought my copy of Ver 4, I must have downloaded a version of a program called "intro to FlowCode programming".
It was an executable. You did not have to be online to use it. Is there a way to get another copy of this? I lost it in a system crash.

Thanks,
Craig C

Martin,
Thanks, works for me to.
What are the components after the loop for?
And how could the program get there?
Thanks,
-Craig

Hi Martin. I plan on using a multiplexor to send in the input signal to whatever is the best A/D to use. The output of the multiplexor will be in tristate until I do a read of whatever channel. Is there a way to access the a/d inputs on ports other than A? I don't see the option on the component mac...

Hey, Werner!
Thanks for the input. If you simmed it, I would imagine it will work.
I"ll give it a shot.
-Craig

Hi All!
Is it possible to use a A/D on Port A when running the 16 X 2 LCD on port A as well?
If not, what would be recommended?
Thanks,
-Craig

Ben, I believe you may not understand my goal. I want to be able to use 4 control lines to control a 1 of 16 analog switch, which will control which signal is read by the micro. I'll only be using 1 analog input. It sounds like you are proposing a form of window comparator. Which does give me an ide...

Ben,
Thanks for the reply.
Not quite sure what you mean by reading the ADC as a byte. Are you saying use the address of the data to select a switch perhaps?
I'm no neophyte, But you left me in the dust on this one!
-Craig

I have a 16F877A project that uses a 3 way rotary switch. Does something like this exist? Can I make one without knowing C? Or just stick with 3 standard switches and live with it? Not a big problem now that I think about it. Question 2: It would be very handy for me to be able to Sim a signal multi...

Hi all!
Is it possible to use connection points to jump from one macro to another?
It didn't work for me anyway. Am I missing declaring them correctly?
If not, what is the best way to accomplish this?
Thanks,
Craig

I was doing the LED exercise in the intro course. Trying to run a program to display 1234. This would instantly lock the program, and could only be shut down by ctr-alt-del, and cancelling in "applications running". Sometimes only resetting the computer. I simplified to a single digit, and it does d...

Martin,
First I re-connected the write line as it was toggling, and I thought maybe it need that. It did. No it doesn't make sense.
It also needed the one piece of code then that you supplied making the RA2 R/W line low.
Now I have a working LCD.
Thanks for your help!
-Craig

I do get a top row of filled segments when i crank up the contrast.
-craig

Martin, I tried your program with the same results, no output, even garbage or otherwise. I had pulled RA2 to ground. The QL200 has jumpers to connect or disconnect the display pins to the ports. I pulled the jumper to RA2 off, and connected the display side of the the jumper pins RA2 (R/W) by wire ...

Martin & Steve, Thanks for your input to date, it has been very helpful. I must be very close to getting it now. I was using incorrect pin assignments. All the data pins were wrong. The switch has been been re-assigned to RB0 only on Port B. RA4 is pulled up. I even tried pulling the chip, putting i...

Steve, "Of you have the connection pins wrong for the LCD within Flowcode". I have set the options of LVP, WDT, etc set "off". or disabled. so that shouldn't be an issue. Also I do have the "Start LCD" command in place, and as I said, it is working on the Sim. But on assigning the port pins I was of...

But not on my Ql200 board. But it seems to be trying, the data lines are toggling to port b, but except for the back light. it's blank. I did run the 1 led blinker at 1hz test, on the sim and on the QL200,and the clock *seems* OK. It was blinking at the same rate as the sim. The Sheep counter exerci...

Let me try to make my question a bit clearer. i am using a 16f877a. I will be multiplexing 14 analog signals to a a/d input on the Micro. There are also switches as part of the input controls as well. I then plan on comparing the sensor numbers, and have the program change the outputs in response. S...

a 74HC4067 multiplexor?
Kind of like the switches, LEDS Etc, provided by FC for the on screen component board.

Or even a way via straight FC, maybe creating a macro?

Thanks in advance.
Craig
1

John,
Thanks, I understand what you are saying.
I have written a test program and loaded it in via the QL200.
All is a go! thanks again!
-Lisa

Thank you! Very informational. It's good to know I can still use the QL200. As far as the addressing goes, " Before compiling you will have to make sure the connections on your board match the flowcode components. i.e. for the LCD RS = Bit4 Enable = Bit5." Does Flowcode not start addressing at 1 ins...

Hello all.
I have 2 Questions
1) I can connect via USB connector with matrix eb-006 multiprogrammer board,
but with the QL200 I am getting a "USB not connected" error.

Does Flowcode 4 support RS 232 (DB-9) connections?
Thanks,
Lisa L