56303 | 563xx | 5680 | 56805 | 5680x | 56F80 | 56F800DEMO | 56F805 | 56f807 | 56F830 | ADC | Bootloader | Codec | CodeWarrior | CW5 | CW6 | Debugger | DSP56303 | DSP56303EVM | DSP563xx | DSP5680 | DSP56800 | DSP56807 | DSP56858 | DSP56858EVM | DSP56F803 | DSP56F805 | DSP56F807 | DSP56F80x | DSP56F826 | DSP56F827 | DSP56F8xx | EVM | FFT | Flash_over_jtag | GPIO | Interrupt | Interrupts | JTAG | LCD | Linker | MCF5307 | Metrowerks | Modulus | MSCAN | PCMaster | PWM | Quad | Rif | RTOS | SDK | SPI

#pragma interrupt   [2 Articles]

Hello! I have a question on #pragma interrupt In the Isr_led example for the DSP56F805, all the #pragma interrupt directives (#pragma interrupt, pragma i...

A/D interrupt   [2 Articles]

HI, I work with DSP56F807.I sample two signals with two different A/D (T-sample=2us). Is it possible to minimize C code that control the A/D interrupt r...

IRQA interrupt flag on 56F803   [5 Articles]

I have a unique hardware problem that I am trying to resolve in software. The problem is that under some conditions, I am getting an edge triggered interrupt o...

IRQA interrupt handling....; Art Johnson   [2 Articles]

Hi, I am using 56F826 for my project. I have configured IRQA interrupt as edge triggred and it is connected to external ADC. After EOC (4.1 micro seconds) it will...

Use of #pragma interrupt (re-post)   [3 Articles]

Re-posting question to Yahoo group. Didn't get any help in Freescale forums. ================== Hello all, I'm working with 56F801 DSP for AC motor control. In my current soft...

DSP56F807 interrupts

hello, can someone explain me how can i do to interrupt an interrupt subrootine? With "pragma interrupt" it doesn't work. Thank you. ...

unexpected interrupt, dsp56858

This one's not earth shaking, but it is a puzzle. I'm using a dsp56858 evm, without all the SDK 'fog'. As a simple test, I wrote a handler for the IRQB interrupt, w...

Service interrupt during DFlash erase on 56F805 and 56F8345

Hi, I want to know if it's possible to continue to service interrupt during page erase or word program on Data Flash. I have a periodical timer interrupt (about 150 us) that st...

GPIO interrupt callback?   [6 Articles]

Hi all, using a 56F805 I want to use the level sensitive interrupt input on a GPIO line. While I find all sorts of high level routines to set various operation pa...

DSP56F827 - Un-handled Interrupt: finding source??

Hello all, It seems I'm getting Unhandled Interrupt from some source. I get to archUnhandledInterrupt() in arch.c file. How can I find the source of this...

Help with fast interrupt: CW/PE on 56f8232   [4 Articles]

Hi, I'm using Processor Expert under CW for a 56F8323 project and could use some help implementing the fast interrupt capability of the 56800E processor. I'm...

GPIO interrupts in DSP56F827   [3 Articles]

Hi, I am trying to use the GPIO interrupt mechanism but I have a problem: Immediately after I enable the pin interrupt - the interrupt occurs. It happens every...

read from the file   [2 Articles]

Dear all i am new to the motorola dsp processor and code warrior IDE for dsp56800e . please give the method to read elements from the file. i used the method as ...

UCOS-II and separate stack for interrupt

I'm trying UCOS-II for 56800. RAM usage is a problem for my application. Does anyone is interest or have develop a separate stack for interrupt level code feature ?...

SCI interrupt

Hi, all. Does anyone know how to construct interrupt driven SCI? I am using SDK for DSP56F805 with C. JS ...

Re: Interrupts on the 56303   [4 Articles]

Hi all Does anyone know how long in clock cycles it takes for an interrupt to be serviced form the time that the interrupt occurs? I have set up one of my h...

Strange DSP56F807 problem

Greetings: I have recently found a very unusual problem that to the best of my knowledge appears to be in the 807 hardware. I'm hoping the gurus on this list m...

Program xFlash & interrupt problem   [3 Articles]

Does anyone know if is necessary to disable all interrupt ISR when programming or erasing xFlash data ? I'm using 56805 microcontroller in single chip mode. Thank...

DSP56824EVM GPIO_B interrupt

hi all, i'm having trouble using the GPIO_B on the DSP56824EVM board as input interrupt. Anyone have any pointers? help will be much appreciated. nick ...

Setting Interrupt Priorities in Software

Hi people, Is it possible to write the following assembler code that I find in CodeWarrior6-Manual (to control the Interrupt priority in software) with C...

Unhandled interrupt message?   [9 Articles]

Hi, I am using Quad timers and doing floating point calculation. [56F827] I am getting following message while debugging my code. how to know which interr...

Interrupt with SDK   [2 Articles]

Hello, I'm trying to implement an ISR for IRQA with SDK... So, I define it in appconfig.h: (as said in the SDK help) #define INTERRUPT_VECTOR_ADDR_8 FMy_...

ADC does not start

Hallo to all, I'm using a 58F4046, it has 2 adc converter module ADCA and ADCB. I've tried ADCA in simultaneous scan mode and it works fine and generates the " on...

Help with Interrupts witin SDK

** Help with Interrupts ** Exercise 3c has been created. It is available on the 56800 FAQs. In the future it will be included in the next version of the Training ...

Interrupt Code SCI [ motorola 56803 | codewarrior]

I know how to write regular sci code and just call them using a while loop. I want to use the SCI interrupt though, so when it recieves data, it does what i...

ADC Interrupts, SDK

Hello I am a DSP56F805 EVM user I am trying to run the ADC using SDK Section 5.4.2 of the SDK user's manual (Targeting the DSP56F8xx) says that "The AD...

Interrupt Concept

Hi all, I am trying to run a small interrupt program using IRQA(DSP56F801)but the interrupt action is not occuring when i press IRQA button . The foll...

Interrupt/context problem?   [15 Articles]

I have been having some tough problems all along, and had hoped that upgrading to CW5.0 + 5.02 patch would cure me, but it didnt... Heres what happens. ...

Output SPI commands from Timer Interrupt

Perhaps someone can give me some guidance here: On my 56F8346 EVM board I have an SPI D/A converter that requires 2 bytes sent out the SPI0 port to output a volt...

#pragma Interrupt   [3 Articles]

Hi, I am trying to program an ISR in MSCAN recieve routine. I went thru the archives and found a message frm Art Johnson which was regding the usage of #pragma Interrup...

Re: Trigger ADC by the decoder

You should be able to enable the A/D zero-crossing interrupt along with the ADC offset register to get generate an interrupt when any one of your encoder lines cros...

Re: Say what?

Assuming you're talking 563xx, only the PC and SR are stacked when the processor core detects the JSR. Your interrupt service routine must end in an RTI (not RTS) w...

Interrupt GPIO

Hi all! I do not understand. My code {.......... /*Initialize PORT B*/ hard.PortB = gpioOpen (BSP_DEVICE_NAME_GPIO_B, NULL); periphMemWrite(0,PORTB_BASE+POR...

#pragma interrupt error   [4 Articles]

Hi! I've urgent problem with "#pragma interrupt" directive compilation. Although compiled function uses Y0 register compiler don't save it. Can anyone explain this? And ca...

SCI Transmit Interrupts

I've spent almost two days trying to make the serial transmit interrupts working without any success! So, after crawling up several walls, I thought I'd see if anyo...

Interrupt Priorities

Hi, Is it  possible to write  the following assembler code that I find in CodeWarrior6-Manual (to control the Interrupt prio...

Software pll...

Dear forum members, I'm have experimented with Analog-PLL, but, Im'm new to DSP and software PLL. I believe that usually, the input signal is sampled at a very fast rate and...

ADC converter on DSP56F805   [2 Articles]

Hello! I am using a DSP56F805 EVM. I am trying to pass a signal through the on chip ADC then the DSP then on to the on chip SPI and external ADC (Maxim). I ...

AW: DSP56F807 interrupts

You habe to enable the interrupt(s) when entering one interrupt which is interruptable. Georg Bende Softwareentwickler Abteilung Elektronik Dr. Fritz Faulh...

archUnhandledInterrupt   [2 Articles]

Sometimes after debugging a program, i click 'run' and the arch.c file appears to get stuck in the following function. This results in my program not running. ...