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Topics - FAQ

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Is the use of uTaskerStateChange(OWN_TASK, UTASKER_GO);
as suitable method to allow a task to operate continuously to allow code that originally ran in a forever loop to be used in a task?

NXPTM M522XX, KINETIS and i.MX RT / Hard Fault Handler
« on: March 06, 2020, 11:09:02 PM »
There is a hard fault handler suggested  here:, which is really useful as it tells you the program counter (and other info) when the hardfault occurred. It’s great for finding the source – maybe it’s something worth including in uTasker?

µTasker general / Updating bootloader from main application
« on: February 20, 2020, 11:13:34 PM »
I have used uTasker serial boat loader to update the main application via SdCard/ serial.

But is it possible to update serial boat loader from Main application?

µTasker general / Embedded Trace
« on: September 29, 2017, 01:40:43 PM »
Have you ever tried using Embedded Trace Buffer or ETM with embedded ARM microcontrollers? Usually I find I don't need it but it may help significantly especially with issues  that occur rarely and timing related issues.

µTasker general / Writing to a single UART from multiple tasks
« on: January 05, 2017, 09:18:48 PM »
If I have two tasks running and both need to access the same serial port, is there a mutex or semaphore method in uTasker?


I would like to receive files from a remote FTP server and save them to an SD card. I have seen that when I do this with the FTP client in the uTasker project the file's content is displayed on the debug interface - what needs to be done to save it to a file instead?

How do I understand the use of USER_LED_1, FIRST_USER_PORT etc.? - for example in the LPC17xx project.

µTasker general / memcpy() missing when linking with GCC
« on: August 02, 2012, 10:38:11 PM »
Although memcpy() is not used in a project it sometimes is reported as being missing by the GCC linker. Why is this?

µTasker general / PIC32 support
« on: May 06, 2012, 03:49:01 PM »

Any plans to support Microchip PIC32 in near future?




I would like to work with both LPC21xx and LPC23xx parts and any using Rowely Crossworks. How do I change between the both?

NXPTM M522XX, KINETIS and i.MX RT / Kinetis CW10.1 Linker problem
« on: June 27, 2011, 10:10:38 AM »

When trying to build the the uTasker project on a 64 bit Windows PC the following linker error ocurred:

No library file found matching 'libC:/Program Files/Freescale/CW MCU v10.1/MCU/ARM_EABI_Support/ewl/EWL_Runtime/Runtime_ARM/Mathlib/lib/
FP_fixedI_Thumb_LE_v7M.a{.dylib|.a}' or 'C:/Program Files/Freescale/CW MCU v10.1/MCU/ARM_EABI_Support/ewl/EWL_Runtime/Runtime_ARM/Mathlib/lib/

Why is this?



Luminary Micro TM LM3SXXXX / Adding LM3S811 and LM3S611 configurations
« on: April 08, 2011, 10:42:37 PM »
What do I need to do to add configurations for the LM3S811 and LM3S611 parts?

Luminary Micro TM LM3SXXXX / PWM generation
« on: December 25, 2010, 03:10:08 PM »

How do we configure 8 channel PWM timer hardware block(for LM3S1776) in uTasker?

µTasker general / malloc()/free() with IAR project
« on: December 25, 2010, 03:07:47 PM »

I trying to use the malloc() and free() function on the utasker.
can you please tell me what are changes to be done on the uTasker project.
My platform is IAR on luminary Micro.


When building for a spacial case (example to work together with the SREC loader) I need to be able to use a modified linker script file. How can I configure the project to use the new .lcf file that I have prepared for this?

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