Quality RTOS & Embedded Software

 Real time embedded FreeRTOS RSS feed 
Quick Start Supported MCUs PDF Books Trace Tools Ecosystem


Bug using pvPortMalloc

Posted by Nobody/Anonymous on March 22, 2006
we have ported FreeRTOS on the ADUC7026 Microcontroller and have sucessfully used pvPortMalloc from Heap_2.c for many purpose.
But since we try to allocate memory for a certain Datastructure, it works correctly with the Keil simulator but abort when testing on the Ucontroller.

Here is the datastructure.

typedef struct txmsg {
struct txmsg *next; /* Next in linked list. */
ABCSP_TXMSG *m; /* The message (reference) itself. */
unsigned chan:4; /* BCSP channel. */
unsigned seq:3; /* Sequence number. */

And here the code using that datastructure * ********************/

void testCalloc(void){

TXMSG * m;
m = ( TXMSG * ) malloc ( sizeof ( TXMSG ) );
if ( m ==(( TXMSG * ) NULL ) ) /*Panic*/ ;
else {
/********** End of the code ******************/

We stepped with the Keil Debugger on the Heap_2.c
pvPortMalloc code and found that the System allways abort when trying to call:

/* Insert the new block into the list of free blocks. */
prvInsertBlockIntoFreeList( ( pxNewBlockLink ) );

Please have even had a such problem ? Or do you have any solution for this?

Thank you in advance.


RE: Bug using pvPortMalloc

Posted by Nobody/Anonymous on March 22, 2006
Do you have portBYTE_ALLIGNMENT set correctly?

RE: Bug using pvPortMalloc

Posted by Nobody/Anonymous on March 22, 2006
portBYTE_ALIGNMENT is set to 4.


[ Back to the top ]    [ About FreeRTOS ]    [ Privacy ]    [ Sitemap ]    [ ]

Copyright (C) Amazon Web Services, Inc. or its affiliates. All rights reserved.

Latest News

Version 10.1.0 of the FreeRTOS kernel is available for immediate download. MIT licensed.

View a recording of the "OTA Update Security and Reliability" webinar, presented by TI and AWS.


FreeRTOS and other embedded software careers at AWS.

FreeRTOS Partners

ARM Connected RTOS partner for all ARM microcontroller cores

Espressif ESP32

IAR Partner

Microchip Premier RTOS Partner

RTOS partner of NXP for all NXP ARM microcontrollers


STMicro RTOS partner supporting ARM7, ARM Cortex-M3, ARM Cortex-M4 and ARM Cortex-M0

Texas Instruments MCU Developer Network RTOS partner for ARM and MSP430 microcontrollers

OpenRTOS and SafeRTOS

Xilinx Microblaze and Zynq partner