SEGGER - Jobs
emWin upgrade     Trade-In program     Web shop

Cortex-M, Embedded Studio

embOS-MPU for Cortex-M was developed for and with Embedded Studio and the GNU C compiler v4.9.3. It comes with various easy to use start projects for Embedded Studio. Initialization code for different Cortex-M starter boards is included. Software development with JTAG tools like J-Link is possible.

 

Pricing Trial download Notification Subscribe to embOS software notification Release Notes

 

Resources and performance data

Memory usage
Kernel size (ROM) Approx. 2300 bytes
Kernel RAM usage 95 bytes
RAM usage per task control block 240 bytes
RAM usage per resource semaphore 16 bytes
RAM usage per counting semaphore 8 bytes
RAM usage per mailbox 24 bytes
RAM usage per software timer 20 bytes
RAM usage event 0 bytes
Min. stack-size per task (RAM) 80 bytes
Timing
Context switch time 3.5 µs
Interrupt latency time Zero
Kernel CPU usage/TICK Less than .2% of total calculation time at 1000 interrupts/second (1ms TICK)
Basic time unit (TICK) Typ. 1 ms, min. 20 µs (50 kHz interrupt frequency)
Features
Max. no. of privileged tasks Unlimited (by available RAM only)
Max. no. of unprivileged tasks Unlimited (by available RAM only)
Max. no. of mailboxes Unlimited (by available RAM only)
Max. no. of semaphores Unlimited (by available RAM only)
Max. no. of software timers Unlimited (by available RAM only)
Max. no. of priorities Unlimited
Stack size idle task (RAM) 0 (no memory needed)
Nested interrupts Permitted
Task switches from within ISR Possible

Absolute values given above were measured using an embOS-MPU XRelease build on an STM32F457 CPU running at 168MHz.

Board support packages

embOS-MPU comes with ready to go start projects and support packages for various Cortex-M CPUs and starterboards.

CPU Eval board
NXP LPC1768 Keil MCB1700
ST STM32F207IG ST STM3220G‑EVAL
ST STM32F207ZG IAR STM3220G‑SK
ST STM32F303VC ST STM32303C‑EVAL
ST STM32F407IG ST STM3240G‑EVAL
ST STM32F407VG ST STM32F4‑DISCOVERY
ST STM32F407ZG Olimex STM32‑P407
ST STM32F429II IAR STM3242I‑SK
ST STM32F429ZI ST STM32F429I‑DISCOVERY
ST STM32F4x9NI ST STM324x9I‑EVAL
ST STM32F746NG ST STM32F746G‑DISCOVERY
ST STM32F756NG ST STM32F756G‑EVAL
ST STM32L053C8 ST STM32L053‑DISCOVERY
ST STM32L152VB ST STM32L152‑EVAL
ST STM32L152VB IAR STM32L152‑SK