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Trampoline

Trampoline is a static RTOS for small embedded systems. Its API is aligned with OSEK/VDX OS and AUTOSAR OS 4.2 standards.

6 platforms are supported by now :

  • cortex
    • Cortex-M (M0+, M3 and M4 for now) instruction set
    • Cortex-A (A7) instruction set. This port is under heavy development.
  • riscv
    • PULPino microprocessor with 32bits RISC-V instruction set.
  • ppc: PowerPC 32bits instruction set
  • posix: virtual platform for POSIX systems (tested on Linux and OS X)
  • avr: AVR 8 bits microcontrollers
  • ARM: ARM 32 bits instruction set
  • virt-v7
    • Cortex-A9 - Cortex-A7 virtualized instruction set. This port is used with the hypervisor XVisor

And we welcome external contributors to extend this list.

Trampoline runs on the following platforms :

MCU Architecture Cores Evaluation Board
Atmel ATMega328p 8-bit AVR 1 Arduino Uno
Atmel ATMega2560 8-bit AVR 1 Arduino Mega
Atmel SAM D21 Cortex-M0+ 1 XPlainedPro
Broadcom BCM2836 Cortex-A7 4 Raspberry Pi 2 Model B
NXP LPC2294 ARM7 1 Olimex LPC-L2294-1MB
NXP / Freescale MK20DX256 Cortex-M4 1 Teensy31
NXP / Freescale MPC564xL Power Architecture 2 XPC56XX EVB + XPC56XL MINI-MODULE
PULPino RISC-V 1 ZedBoard
STMicroelectronics STM32F4xx Cortex-M4 1 STM32F4DISCOVERY with STM32F407VG
STMicroelectronics STM32F30x Cortex-M4 1 Nucleo-32 STM32F303
MicroSemi SmartFusion2 Cortex-M3 1 starterKit

Some examples have been added (check examples):

  • Cortex M4 with µC stm32f407: cortex/armv7em/stm32f407/stf32f4discovery
    • blink. Blinks a LED using an alarm and a task.
    • readButton. The example polls the button to start an alarm that activates a task to blink a LED
    • readButton_isr. Same but the button triggers an ISR.
    • alarms. It is the same example than readButton_isr but we test the return value of SetRelAlarm for return parameters when in kernel (system call) mode.
    • timer. ISR2 trigered by timer TIM2.
  • Cortex M4 with µC stm32f303K8: cortex/armv7em/stm32f303/Nucleo-32. There are few differences from the stm32f407 target, and examples should be easily imported.
    • blink. Blinks a LED using an alarm and a task.
  • Cortex M4 with µC mk20dx256 : cortex/armv7em/mk20dx256/teensy31
    • blink. Blinks the Teensy 3.1 LED using an alarm and a task.
    • startStopBlink. The example polls a button connected to pin 8 to start an alarm that activates a task to blink a LED.
    • liquidCrystal. startStopBlink extended. In addition the periodic task prints a value on a LCD.
    • isr2onPIT. Use the PIT channel 0 to trigger an ISR2.
    • isr1onFTM. Use the FTM0 to trigger an ISR1 and generate a variable width pulse.
  • Cortex M3 with µC SmartFusion2: cortex/armv7m/SmartFusion2.
    • blink. a simple periodic example which toggles the two green leds (DS3, DS4) of the board
    • fpgaInterrupt an interrupt from the FPGA fabriq toggles the green led DS4 of the board (and a periodic task blinks another Led).
  • Cortex M0+ with µC samd21: cortex/armv6m/samd21/XPlainedPro.
    • blink. Blinks a LED using an alarm and a task.
    • readButton. The example polls the button to start an alarm that activates a task to blink a LED
    • readButton_isr. Same but the button triggers an ISR.
  • Cortex A7 with bcm2836 - Raspberry Pi 2 : cortex-a/armv7/bcm2836/rpi2.
    • blink. A first runable blink example is available. We need a bootloader and and a console. This stuff will be soon available as well. Single core for the moment.
  • avr: 3 examples for Arduino Uno (ATMega328p chip) and Arduino Mega (ATMega2560 chip)
    • blink. Blinks a LED using an alarm and a task.
    • serial. improve 'blink': use the standard Arduino serial API.
    • extInterrupt. improve 'serial': add 2 ISRs to change the alarm period.
  • arm: 1 example for Olimex lpc2294 board
    • lonely. Blinks a led, 3 tasks, ISR category 1 or 2, counts interrupts from the push button.
  • ppc: 5 examples for MPC5643L
    • blink_1c. Blinks a LED using an alarm and a task.
    • blink_1c_withOrti. Blinks a LED using an alarm and a task. Creates an orti file.
    • blink_2c. Blinks two leds using two synchronized cores with one task and one alarm per core.
    • blink_2c_arxml. Same as the two cores blink example but uses an arxml config file.
    • blink_2c_opticks. Same as the two cores blink example but optimizes ticks.
    • button_2c. Waits for a button input to light a led. Switch it off using Timing Protection watchdog. Multicore example.
    • spinlocks. Producer/Consumer example.
  • PULPino : riscv/pulpino
    • blink. Has two tasks who alternate outputting on UART interface.
  • virt-v7 :
    • firmware. Builds a firmware that can be used as a guest on XVisor.

More examples are coming.

Precompiled binaries of goil, the OIL and ARXML compiler

Updated to version 3.1.9 on 2017, November 28.

Useful links

The OSEK-VDX portal is down since at least june because the working group has been disbanded in favor of AUTOSAR. Here are copies of a part of the documents that were available for download: