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Re: help   [2 Articles]

plz help people i am copyingmy program here, which shows error "multiple define:__interrupt_vector " my vector table is as follows: extern void int_handler( void); ...

C code for MC68C711E9 controller using Freeware GCC Ver.3.3.6   [2 Articles]

Hi All, =20=20=20 I had written a simple C program for M68HC711E9 Controller using Freeware= GCC version 3.3.6. Also i compiled using GCC with vectors.c file and Linke= r fi...

Simple C program for MC68HC711E9 Controller to display a LED

Hi All, =20=20=20 I had written a simple C program for M68HC711E9 Controller using Freeware= GCC version 3.3.6. Also i compiled using GCC with vectors.c file and Linke= r fi...

Fwd: C code for MC68C711E9 controller using Freeware GCC Ver.3.3.6

=20=20 Hi All, =20=20=20 I had written a simple C program for M68HC711E9 Controller using Freeware= GCC version 3.3.6. Also i compiled using GCC with vectors.c file an...

Re: buffalo isr problem

Brian Traffis wrote: > Mike, > > First off, should I be responding to the yahoo group for the benefit of all on this subject? As > you know I am new here so I am not s...

IRQ in special bootstrap   [2 Articles]

running BUFFALO monitor...using external IRQ to restart from WAI... works fine in single chip mode but will not restart in special bootstrap mode...do the IRQ and/or WAI f...

Interrupts   [13 Articles]

HI I'm currently writing a program for the 68hc11 on my Thrism11 simulator. The program uses the irq interrupt. What I don't understand is how you can edit the int...

IRQ on adapt11   [5 Articles]

Hello I wrote a small program to test the IRQ interrupt. i am using edge sensitive. Everytime i turn the switch off, I get something weird. and my 7 seg led...

IRQ   [2 Articles]

Hello I am trying to read the data from an external device ( assuming that it doesnt have its internal clock). I am using IRQ (IRQE set to 1 for edge sensit...

IRQ Interrupt   [3 Articles]

Hello all I am trying to build a voice activated alarm clock. I am using adapt11 board with 68hc11E2 to connect to a voice recognition board. so once a word...

Re: using optical encoder for feedback to MicroCore11

Your best bet is that if the optical encoders have an index output pin, use that to determine speed. That pin produces a pulse every time the enocder makes a ...

Re: ISR

On Dec 12, 2004, at 12:01 PM, bal_gill21 wrote: > My ISR is below. It compiles fine but my development board refuses to > let me debug it. Is there something ...

Re: Re: RTS problem

On Nov 25, 2004, at 12:37 PM, Mark Schultz wrote: > There are still a lot of *current* microcontrollers on the market > that are very code- or RAM-size constr...

ARRRRRRRRGGGGGGGG!!!!!!!

The currect HC11 project (the one with the slow LCD display) is for my darkroom - it has a whole series of (adjustable) timers, one for each step in color processin...

ICC11 and Interrupt Vectors   [3 Articles]

Hi. When I compile my program, I am receiving this error: "!E vectors.o(9): multiple define: '_interrupt_vectors'" My project contains my main C program and a...

Basic irq question   [4 Articles]

Hey all, I am trying to build a device that is going to use the IRQ line for interrupts. I have realized that i dont know how to do this. I had assumed th...

Re: help with the 68hc24 pru   [2 Articles]

> hello everyone im trying to connect the 68hc24 pru to a hc11e1. i > have made the follwoing connections and still cant get the pru to > interface with the h...

Interuppts   [5 Articles]

DOes anyone now how to write an IRQ handler that will just stop until a switch is released? ...

RE: luck with pure software

> Anyone here have luck interfacing the 68hc11 with a keypad with pure assembly code? It's straight forward. Sample the keypad input in a timed IRQ loop thats ...

HC11 IRQ AND XIRQ PIN 40 AND 41   [3 Articles]

I WAS WANTING TO KNOW IF IM UNDERSTANDING THE OPERATION OF THE IRQ PIN41 ON THE HC11. FROM WHAT I HAVE READ THE PIN IS USED TO SEND A INTERRUPT REQUEST TO THE HC1...

Re: HC11   [3 Articles]

In a message dated 8/18/03 7:25:05 PM Eastern Daylight Time, writes: >I hate to be pedantic, and I am probably showing how much of a Dinosaur I >am, but should...

LCD confusion

Hi we are trying to modify this code (given to us by the company) so that we can take a value from the A/D and ouput it to the LCD screen. This seems simple enoug...

Writing OPTION reg.

Hi, Our team has a problem with writing into OPTION reg. on 68HC11 E1 during first 64 cycles. It is done correctly on power on reset - value $33 is written (we wa...

RE: Need debugging techniques on ADC to LCD   [2 Articles]

I have tied the following pins high through a 10K resistor: IRQ, XIRQ, RESET, STRB,STRB(R/W),E and AS. The program stops after a few minutes. I still have to try th...

Re: stepper motor

On Saturday 08 February 2003 07:30 pm, wrote: > In a message dated 2/8/03 7:00:37 PM Eastern Standard Time, > > writes: > > i don't know how to write a pulse ...

Reg Interrupt ACK   [3 Articles]

Hi all I was wondering how the 68HC11 is identifying the device that has interrupted it by rising the IRQ* line? Usually the microprocessor gives a signal ...

Help interfacing MAX3100 with HC11?

Hello Everyone I'm trying to send a data stream that is moving at 250kbaud into the HC11 micro-controller. I was told that in order to make it work I would need a ...

Re: reset problem   [3 Articles]

I believe that the POR (power-on-reset) is the only reset guaranteed to always give you the same results unless you follow some rules: The most common things I c...

Re: RE: Processor lock-up

Dear Friends, Excuse me, Probably I don't understand this conversation but I just want to say that return is the only thing you can expect from empty brackets. N...

RE: RE: Processor lock-up

I think you're right chris. Having nothing inside the bracket will be like NOP. Thanks Musibau -----Original Message----- From: Christopher Darilek [mai...

Re: RE: Processor lock-up

Hmm, I would think you could. Nothing inside the brackets would make the thing do nothing, then return from that interrupt. It'd be like having a "return;" statement in...

Re: RE: Processor lock-up

You cannot assume that. I would try something like: for(;;) ; Regards, Roberto Guillermo Berner Boolean General ICQ 119529928 54 11 4308 3...

RE: RE: Processor lock-up

Are you Darrell ? -----Original Message----- From: Himanshu Trivedi [mailto:] Sent: Thursday, October 10, 2002 12:21 PM To: Subject: Re: [m68HC11] RE: Pro...

Re: RE: Processor lock-up

Hi Musibau, No , thats not endless loop! What am i thinking? Nevermind that answer. himanshu wrote: > Thanks Darrell, your comment is also a strong ...

Re: RE: Processor lock-up

hi Musibau, I think doing nothing inside the brackets is endless loop. himanshu wrote: > Thanks Darrell, your comment is also a strong possibility as to ...

Re: RE: Processor lock-up

Dear Musibau, I would first test the CPU board with a very simple program, not the one you are using right now, just to check if this is a hardware or a software...

RE: RE: Processor lock-up

Thanks Darrell, your comment is also a strong possibility as to the source of my problem. Out of the 20-interrupt vectors we are only using seven and the rest are u...

RE: Processor lock-up

Musibau: Another item to look for is uninitialized interrupt vectors. I have seen noise trigger an IRQ or XIRQ, even with pullups. Make sure that all unused ...

Re: FW: Processor lock-up

In a message dated 10/9/02 2:37:49 PM Eastern Daylight Time, writes: > >Has anyone ever experience this sort of thing or does anyone have a > >suggestion or ...

RE: What exactly happens when recovering from STOP Mode?   [5 Articles]

Recovery from STOP happens in one of three ways: -RESET, -XIRQ or -IRQ, if it isn't masked. If the XIRQ is not masked (X=0 in CCR), then waking on XIRQ will caus...