TACOS

This is the Trajectory Analysis Control OS (TACOS) that serves as a starting point for developing TACOS-based projects, by implementing threads in the App directory. TACOS is a subset of the features provided by ALPAKA. In particular, TACOS consists of the STM32-specific components of sta-core, rtos-2 and rtos2-utils.

Setting Up TACOS

Clone the repository using --recurse-submodules and then add it to an existing CubeIDE FreeRTOS project. Be sure to add the include paths for Tacos, sta-core and rtos2-utils to the project with the following steps:

Properties -> C/C++ General -> Paths and Symbols -> Includes -> GNU C -> Add... 
Properties -> C/C++ General -> Paths and Symbols -> Includes -> GNU C++ -> Add... 
Properties -> C/C++ General -> Paths and Symbols -> Source Location -> Add Folder...

Under Core/Src/freertos.c you must call startALPAKA() from the default task. It should look like this:

void StartDefaultTask(void *argument)
{
  /* USER CODE BEGIN StartDefaultTask */
	extern void startALPAKA(void *);
	startALPAKA(argument);

  /* Infinite loop */
  for(;;)
  {
    osDelay(1);
  }
  /* USER CODE END StartDefaultTask */
}

Configuring TACOS

Be sure to add a "config.hpp" to the App/Inc/sta directory. This file could look like this:

#ifndef INC_STA_CONFIG_HPP_
#define INC_STA_CONFIG_HPP_

// Use the STM32F411 microprocessor.
#include <sta/devices/stm32/mcu/STM32F411xE.hpp>

// Doesn't really do too much right now. Has to be added for successful compilation.
#define STA_PRINTF_USE_STDLIB

// Enable debug serial output and assertions.
#define STA_ASSERT_FORCE
#define STA_DEBUGGING_ENABLED

// Activate the timer for microsecond delays.
// #define STA_STM32_DELAY_ENABLE
// #define STA_STM32_DELAY_US_TIM htim1

// Settings for the rtos-utils
#define STA_RTOS_SYSTEM_EVENTS_ENABLE
// #define STA_RTOS_SYSTEM_WATCHDOG_ENABLE
// #define STA_RTOS_WATCHDOG_ENABLE


// Settings for TACOS
#define STA_TACOS_MANAGER_PRIORITY osPriorityNormal
#define STA_TACOS_STATEMACHINE_PRIORITY osPriorityNormal

// Statemachine settings. Here, we only have a single state which is also the initial state.
#define STA_TACOS_NUM_STATES 3
#define STA_TACOS_INITIAL_STATE 0

#endif /* INC_STA_CONFIG_HPP_ */

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TACOS

Setting Up TACOS

Configuring TACOS

2.2 KiB

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