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HWI & SWI syncronization   [3 Articles]

I am trying to syncronize execution between HWI and SWI threads: HWI--\ --> Start Function X SWI--/ Either HWI thread or SWI thread needs to call Function X after ...

TI's DSP/BIOS : McBSP --> HWI   [2 Articles]

DSPers, I am working on McBSP to receive data, and map it to HWI (already use dispatcher to be able to use HWI function that was written in C), so that when M...

memory alloc from HWI or SWI

Hi all, I read that MEM_alloc can't be used from HWI or SWI... and also BUF_create can't be used from HWI or SWI. So I'm searching info about allocating memory from HWI or SWI...

bypassing BIOS' HWI manager   [4 Articles]

Hi all! Please, does anyone know if we can bypass the HWI interrupts configuration made by DSP/BIOS HWI manager? I'd like to configure HWI manually because I thi...

Mem_Alloc and tsk 62x   [3 Articles]

What is the problem? I'm trying to allocate external SDRAM memory in a TSK function defined in a Configuration CDB file. However Mem_alloc in TSK function fails. To test Mem_allo...

HWI configuration

Hail, We are working on a DSK6455 and using the IO pin to connect to a daugther broad to get INT4 from external device. We actually reading the status on that vaule from 0...

Having difficulty trigger an HWI via McBSP0 transmit   [2 Articles]

Hello all. I am trying to trigger an HWI via McBSP0 transmit but am unable to do so. I have my system designed to perform some numerical analysis on an input s...

How to add a GPIO pin signal as HWI   [5 Articles]

Hi all, I was searching all the tutorial given by TI-DSP, but no where it is given clearly how to add a GPIO pin as a HWI. I am working with EVM-DM6437 board. In this boar...

Mem_Alloc and tsk 62x

Thanks for your help Jeff, I've created a 5sec timer that "simulates" the interrupt that you suggested. In the timer function I am able to call the Mem_alloc and Mem_free with ...

Can not add the SWI object?

If i set total 4 DMA HWI(int8,9,11,12) in CCS2.0 DSPBIOS config tools, I can not add new SWI obj in the config tools. But i clear any one of the HWI, such as HWI12 ...

RTDX with HWI   [3 Articles]

Hi, I am building a program which captures data from the PCM3003 audio card, by means of HWIs, and sends it to a PC, via JTAG, when 512 samples are available. ...

McBSP + EDMA + HWI + SWI   [6 Articles]

Hi, I'm working with the 6711 DSK and using DSP/BIOS. I'm trying to write code that receives on the McBSP (configured as a UART), uses EDMA to transfer that data ...

HWI and PRD   [2 Articles]

Hi ! C6x , I have been trying to send frame of processed data periodically to Matlab by using RTDX. Here are some problems I couldn't figure out. I am using 67...

Posting SWI (or TSK) from HWI

Hi   I need to post an SWI or TSK (to process data) each time I get a HWI ISR. While I'm able to post an SWI from outside of the ISR, I'm not able to do so ...

CCS 1.2 to CCS2.1 upgrade   [2 Articles]

I recently upgraded my CCS for 6211 from version 1.2 to version 2.12. I have had/am having all kinds of difficulties and am hoping someone here has seen these issue...

dspbios interrupt problem

Hi everyone I have some problem. I try to operation of hardware interrupt using external pins. Used DSP chip is TMS320C6203 and DSP BIOS II environment. But Har...

Posting SWI from HWI   [3 Articles]

Dear Support, Background information (C6711): At Philips Lighting we are developing a system which detects little metal pieces in glass tubes. This is done ...

C672x and DSP/BIOS ?

Hi all! has anyone of you worked with the C672x series, especially with DSP/BIOS? I have a 6727 and the latest version of DSP/BIOS but the problem is that the HWI module ...

Re: NDK & SRIO together , fails

Hi , I got the solution for the problem mentioned .This problem was occuring when i use CSL library API for for enabling HWI Interrupt handler .If i use HWI Module API of bios ...

Re: Scheduling

--- Aizezi Abuding <> wrote: > I am using TI6711 DSP with PCM3003 daughter card. > And I have used > herdware interrupt for interface with input and > output si...

interrupts CSL3   [3 Articles]

Hello All I am trying to write a program for DSK 6455 in this way (using the DSP/BIOS): 1- Transfer data to MyBuffer using EDMA3 2- at the end of the transfer call MyISR. ...

Problem with Task Switching..   [6 Articles]

Hi all, My C program contains one interrupt service routine corresponding to serial port interrupt (coming at 8khz,every 125us.) and one Task(created, using ...

HWI made by Oscilloscope

I'm trying to do this example, using HWI, and input //Loop_intr.c Loop program using interrupt. Output = delayed input #include "dsk6713_aic23.h" //codec-DSK support ...

Need a suggestion in design flow   [2 Articles]

Hi everyone, Thanks for your previous replies. Being new to the DSP world I have some queries, if some can help me it would be really great. 1. I do have my Algori...

Nested Interrupts (Timer->MCBSP) ????

Hi, I have a problem!!! How it's possible to nest HWI ISR? For example in the ISR of the timer reading port MCBSP when a data frame is received? Thanks Cia...

How to setup HWI ISR for C6201 EVM under CCS

Hi, I need some help on setting up hardware interrupt service routine for C6201EVM under CCS. Can someone tell me what are the general steps to setup the vecto...

Interrupt configuration under DSP/BIOS

Hi all, I am uncertain of the HWI and SWI interrupt configuration under DSP/BIOS. Though there is a sample code on the timer interrupt, I would like to fin...

Integrating Audio and Video on 6711

Hi, I've an IDK along with the DSK.Can anybody suggest me how can I manage audio and video simultaneously through the chip.I want to pass audio and video simult...

DSP/BIOS and hardware interrupts

Hi I am using the DSP/BIOS to handle hardware interrupts (using the HWI Dispatcher). The interrupt I am interested in is set for a low-to-high transition and I can see the i...

asking abt swi object of bios

hi i m using the c6711 . i have used SWI_dec routine in isr of mcbsp rx but swi is not posted and the file xxcfg.h is not updated with the changes i have made in ...

receive interrupt McBSP0   [2 Articles]

Hi guys, i'm using McBSP0(6711) , and i can't receive any data . My transmition data is ok, but the DSP(6711) is not generating any receive interrupt . I was using...

Doubt in GPIO Interrupt

Hi, I am using the GPIO pins of the DM648 DSP. I am able to write and clear the GPIO SET_DATA and CLR_DATA registers of the GPIO peripheral and toggle the GPIO pins. But I wan...

DSK67613 AIC23 Channel Bug   [2 Articles]

I have a strange problem in an application using the AIC23 codec with DSP/BIOS on Code Composer Studio v2.21 on my 6713DSK. I use the SIO issue-reclaim model, i use the TSK module...

Re: C62xx ISR

Dear Paul Calvert, If you use the dispatcher for 'C' HWI : 1.The interrupt keyword or INTERRUPT pragma must not be used. The HWI_enter/HWI_exit macros and the HW...

Timer in DSP/BIOS

Hello everybody, I have a problem with timer in DSP/BIOS: I would like to associate a function to a selected timer. I created an object timerCfg0 in "timer configuration manage...

Software pipeline - wrong number of cycles   [6 Articles]

Hi everybody, I'm new and glad to be here I am working on a C6713DSK. I wrote a pipelined optimized ASM code, and it consumed more than twice execution cycles than expected. To...

HPI loading of a DSP/BIOS application   [2 Articles]

I am trying something similar. I can compile and run a program under CCS correctly. Taking the same .out file and loading via HPI does not work. I have included ...

intrupts handling   [2 Articles]

Hello everyone! i am having problems with hardware intrupt. i am using HWI 4 for trigring EMDA. in main programm i first clear all the intrups then i do the setting for EDM...

return from HWI- interrupts   [2 Articles]

Hello c6x, I have desined Matlab GUI which sends and receives data from CCS version 2.10. In CCS , the hardware interrupt was used and the interrupt requests t...

Re: TSK_yield problem   [2 Articles]

Charles, When you say "PRD module to be driven by a process" what exactly do you mean. Is the process a TSK or a SWI or ? If you are synching with the CODEC, does that mean...