Quality RTOS & Embedded Software

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


"Trouble Reading Memory Block at ...

Posted by Mohammad on February 25, 2012
Hallo Everyone,

i have again another problem:
i am using TI MSP430f5438 with code composer:

i create receiving-task and a sender ISR is already given in Hardware Abstraction Layer "HAL".
after the first sending and receiving, the second sending is not working well.

here is the sending ISR:
#pragma vector=USCI_A1_VECTOR
__interrupt void USCI_A1_ISR (void)
char cChar= NULL;
portBASE_TYPE xHigherPriorityTaskWoken = pdFALSE;
cChar = UCA1RXBUF;
xQueueSendFromISR( xPROTQueue, &cChar, &xHigherPriorityTaskWoken );

with the debuging and making Step into i found that the code stops at this ISR in port.c :
#pragma vector=configTICK_VECTOR
interrupt void vTickISREntry( void )
extern void vPortTickISR( void );

#if configUSE_PREEMPTION == 1
extern void vPortPreemptiveTickISR( void );
extern void vPortCooperativeTickISR( void );

and then i get this error:

MSP430: Trouble Reading Memory Block at 0xca5a4 on Page 0 of Length 0xc9: Invalid parameter(s)

can anyone say what the problem here can be.

Best Regards,

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

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

Latest News

NXP tweet showing LPC5500 (ARMv8-M Cortex-M33) running FreeRTOS.

Version 10.1.1 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