FreeRTOS is free real-time operating systems for embedded systems that currently supports over 30 different CPU architectures. It has a small memory footprint making it suitable for microcontrollers that do not have an external memory bus.

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0answers
52 views

RTOS for Cortex M4 with 802.15.4/6LoWPAN stack

I'm evaluating operating systems to use in an Internet of Things Project and I don't know what's the best way to proceed. I'm using a TM4C123GH6PM MCU with 32k RAM and a CC2520 802.15.4 transceiver, ...
2
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3answers
83 views

CMSIS and sub millisecond delays

We are running FreeRTOS with CMSIS. Is it possible, using CMSIS on STM32F3 Discovery board, to have periodic tasks running with periods less than 1 millisecond resolution? We want to run tasks at 400 ...
3
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1answer
156 views

Unable to read file greater than 2K in FatFS

I am reading a file from the SPI Flash with FATFS file system, on STM32F103 platform running FreeRTOS. I can successfully read File of size less the 2048, but if read a file file of size greater than ...
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1answer
253 views

FATFS porting on STM32F103 SPI Flash

I have ported FATFS for Free RTOS on STM32F103 SPI Flash of 32 Mbit. In a demo Application I have successfully created a file, written a file, and read back from the file. My requirement is like I ...
1
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1answer
205 views

Porting Linux drivers specifically I2C

I am developing an I2C driver for an accelerometer. My objectives (actually it's the restriction I have as per the project guidelines given in my institute): use Linux flavour of operating systems ...
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1answer
133 views

Using RTOS support in OpenOCD

I can see that OpenOCD is RTOS aware and it supports FreeRTOS, which I'm using at the moment. I have looked at various sources and cannot seem to figure how to use this feature.
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0answers
214 views

How to config LAN8710A with PHY by STM32F4x7

I am using STM32F407ZGT6. FreeRTOS is running perfectly on board! I have included Ethernet files. According compilation of Windows Commander stating that it was compiled lacked free. But if one ...
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0answers
384 views

What shall be changed about stm32f4x7_eth_bsp.c

I am using STM32f407ZGT6. FreeRTOS is running perfectly on Board! I have included Ethernet files. According compilation of Windows Commander stating that it was compiled lacked free. But if one ...
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2answers
92 views

No boot messages are being diaplyed while booting FREERTOS

I asked a question on LCD display with FreeRTOS here. This time my question is a little bit different so I am posting as a new question. Normally I have seen that when we port Linux on any board ...
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0answers
63 views

Which will boot faster: FreeRTOS or MuCLINUX: need general guidelines?

Are there any general guidelines/thumb-rules to select OS? I have to port it on Cortex M3 based chip. Which OS should be selected: FreeRTOS or MuCLinux if I want the boot time minimum?
1
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1answer
197 views

How to display characters on LCD with FreeRTOS

I ported FreeRTOS on EFM32 based kit by EnergyMicro. After porting I want to develop a simple application that will display Hello World on the LCD. When we talk about windows OS, we have a function ...
1
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1answer
391 views

How to use FreeRTOS with MPLAB X that runs on a MAC OS

I'm programming my PIC microcontroller on a MAC OS. Can you use FreeRTOS with MPLAB X running on a MAC OS? I've noticed directions that include downloading a .exe file, but does that mean it's only ...
5
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2answers
546 views

FreeRTOS queues and IPC confusion

I'm struggling with my first real freeRTOS project. I am basically using an ATmega328P microcontroller and an nRF24L01+ radio as a "node". I have two of these nodes and I am using them to talk to each ...
2
votes
1answer
234 views

Do I need a RTOS?

My hardware would have a DSP with the following characteristics: Sound generation (internal parameter will generate pure tones, white noise, filtered white noise or the sum of them). I2C ...
0
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2answers
284 views

Booting FreeRTOS on ARM

I am building an embedded device (like a phone) that will run FreeRTOS. I am using an ARM Processor. How can I make my homebrew device boot FreeRTOS? Is there a special type of storage drive that I ...
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2answers
890 views

STM32F2 build environment

Would like to get an insight on how to build an environment with FreeRTOS +LWIP on eclipse for building a specific application on STM32. What do you recommend?