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Can i use RTC , COM3 and Timer1 functions on a BX24chip

Hello Can i use RTC , COM3 and Timer1 functions on a BX24chip. can i do Timer action with 1 or is their free timer to use. Thanks ------------------------------------ ...

How do I set the date and time of the BasicX-24 RTC?   [2 Articles]

I just recieved my BasicX-24 development kit and am having some problems setting the RTC. I've loaded the serial 2x16 LCD demo and it works great! The problem I've having is ...

GPS NMEA $GPRMC =>$GPRMB

Hello With DateTimeNMEA example $GPRMC data I can see very well, now I want to change this code so I can see in $GPRMB protocol Letters R and L, they ar here, after 3th comma:...

Re: GPS NMEA problems   [3 Articles]

> ... > 1999-01-01 00:00:01 > 1999-01-01 00:00:02 > 1999-01-01 00:00:03 > DateTimeNMEA.bas sets the BX-24 RTC to a decoded and checksummed $GPRMC NMEA sentence. ...

Re: Re: Random Doesnt Stop well multi Tasking   [5 Articles]

> Calling Randomize messed it up... Randomize appears to use the current RTC tick count to create a new randomizer seed. Unfortunately, the RTC tick count always starts at ...

Faster!

Ever looked at your output on a scope and wished that the occasional one-tick glitch wasn't there? You might be able to get rid of it. If you do not need the RTC, you can tur...

Re: Run time timer   [2 Articles]

Determining elapsed time from start of the current execution is trivial, Patrick; that's the value currently in the RTC, which starts at midnight every time you apply power. Your...

Re: High resolution timers?

No, I did not. I ended up using the DS3231. This is a combo of a precsion oscillator good to 2ppm over an industrial temp range. It is a RTC with date and time down to the...

Push and Hold Timer   [6 Articles]

OK, I'm out of RAM, and the application just keeps getting bigger... This is going to be interesting.. As I look for ways to reduce RAM usage, I am open to suggestions for th...

Task Scheduler

Does anyone tried to implement an RTC-based task scheduler for BX-24? Yahoo! Groups Links ...

Re: Hobbs Meter   [7 Articles]

Ah, the devil is in the details. Basically this is a ring buffer: similar to FIFO, but LIFO. So you would have to maintain a head address, a tail address, and a data count in ...

Re: 20 Hz squarewave

> > ... to produce a 20Hz squarewave... > ... Task switching will result in some irregularity with this method. I spent some time looking at a couple of techniques to generate ...

Dallas DS2404   [4 Articles]

Anyone have any BASICX code for this RTC/MEM ? JC ...

Re: RTC on the BX-24P   [10 Articles]

--- In basicx@basi..., "Bookwalter, Dan" wrote: > > Does the real time clock on the latest version of the BX-24 still have > 1.95 ms resolution...

Re: code timing (was ADC sampling)   [2 Articles]

> ... I need to somehow prove that the BX-24 is indeed sampling at 50Hz... On rereading your message, John, I have the thought that you will tailor your code loop so that...

Re: C programming for BX-24

I had not thought of that... wiping out the AVR's BASIC interpreter and programming it directly. I THINK that there are less expensive (than the BX-24) BX-style DIP p...

A Code Challenge   [3 Articles]

A common task is timestamping and logging an event. I propose a simple challenge: what is _the_ elegant code that produces an 8-byte ASCII string in the form "HHMMSShh" (hh ...

Re: Keypad interface using a PCF8574

--- In basicx@basi..., "Don Kinzer" wrote: > > The other cool thing about this method is that you can get the > expander to generate an interrupt signa...

Re: Re: RPM to BX24   [4 Articles]

Thanks Don ! I allready have build a rpm meter to a diesel car , using a hall sensor to sense the gears but now I should move on to petrol cars ... I used a F / V conv...

Re: Midi problems

--- In basicx@basi..., "Don Lewis" wrote: > ... wouldn't changing the x'tal also effect the regular serial > communications behaviour? Yes, along with ev...

DCF77   [2 Articles]

I need to measure incoming pulses of 100 and 200 milliseconds. The PulseIn in not suitable for this, it's rangs is to short. Before I start doing difficult things with the r...

Re: Java and the RTC   [3 Articles]

--- In basicx@basi..., "G. Kramer Herzog" wrote: > It seems to me that the RS-232 ports interrupt the clock's tick > and may cause a bit of a slow down. ...

RTC   [7 Articles]

What would be the best way to keep the real time clock synchronized? Am i right in saying the bx-24 rtc has to be reset each time it is powered on an if so what would be ...

Re: Parallel port vs Serial

Basic is really for quick programming projects and beginners. Java is more C like. You might want to go to C directly, but then you lose the hand-holding that the BX desig...

Re: Two-button interface?

Not sure if I fully understand what you want to do Tom, but I have done this sort of thing several times. A couple of years ago I built a number of sewage level gauges usi...

Re: Sensors, Motors and Stuff

>Input Devices >============= > >Could someone point me in the right direction for these. Ideally I >want to spend as little as possible whilst still retaining ...

BX-24p T1 pin available

Chris hasn't responded to a query yet, but it appears that the BX-24p T1 pin (ATmega8535 processor pin 41) is available. It is used on the BX-24 for ATN, but the BX-24p ha...

Fastest/Best Code for BCD conversion

I am writing a BasicX API for the Dallas real time clock family (specifically, right now, the 1307), and I need to convert the date and time data to BCD. It is a pretty si...

Re: RISC big or small. Harvard Architecture or pseudo-Von Neuman?

I. too, must disagree, Kramer. The whole point of a high level language like basic is to insulate you from the internals of the hardware. This basic running on the li...

RE: Q: BX-24 as IR remote sender (to be attached to NSLU2)

Ralf, I recently created a project that controls a Sony Camcorder with a Parallax SX18/SX28 chip. I was able to do all the timing with software. Even the 40kHz ca...

An available processor time measure

I'm hitting a BX-24 processor interrupt line pretty quickly - between 480Hz and 1.6KHz. I needed to know how much processor time was available at these interrupt rates. Fo...

Dallas DS1302 RTC problem   [4 Articles]

I have 4 new DS1302 chips and 4 new 32khz watch crystals intending to make a persistent RTC for my BX35 project. Problem is that after finally connecting all the stuff tog...

Serial Binary Counter and Shift Registers   [2 Articles]

Hello I'm working with an anemometer which sends pulses every time it makes a complete tour. I was thinkin about using the CountTransitions function... The thing is I will h...

Re: Re: Artificial Intelligence / Neural Nets with BasicX ??

Enigma - It sounds like you need to change the time on your BX-24 RTC because it is slow - must be all of those calls to PlaySound. April fool's day was 2 weeks ago. ...

Re: Alternating Rising and Falling Edge Interrupts   [2 Articles]

I have been thinking about something like that. I have been progressing with my little (in importance, not in code size or effort) rally computer. I off loaded the 1H...

Re: Keeping track of date and time   [2 Articles]

--- In basicx@basi..., davidsousamendes@h... wrote: > Is there any way of keeping track of date and time after pressing > the reset button? A calender and watch have...

Re: Imbedded Controllers   [4 Articles]

Tony, first looking at your original project. The first thing I noticed is the accuracy requirements on the clock. I see no reason why the built-in BX-24 RTC would not ...

Re: Re: High resolution timers?

Tom is right in both respects. I have a particular interest in "time" and in my office I have 4 old electro-mechanical pendulum master clocks. A Gents, an IBM, an TMC and ...

Re: handling multiple interrupt sources?   [2 Articles]

Well, It is mostly an exercise to see if I can reproduce the rally computer. It would be hard to make it a BETTER computer, that is for sure. The Alfa Elite is really r...