OCEOS Tutorials - Revision history

Dtimofejevs: /* Tutorial 5 – Using dataq with timed action */

2022-03-07T17:38:44Z

Tutorial 5 – Using dataq with timed action

← Older revision		Revision as of 17:38, 7 March 2022
Line 2,098:		Line 2,098:
	} // if		} // if


	// 3) Action: Task 0 does read_restart on queue_0		// 3) Action: Task 0 does read_restart on queue_0
	oceos_dataq_read_restart_timeout(queue_0, 0);		oceos_dataq_read_restart_timeout(queue_0, 0);
Line 2,319:		Line 2,318:
	// Check: Task 1 exit message		// Check: Task 1 exit message
	printf("t_producer is exiting\n");		printf("t_producer is exiting\n");



	// 15) Action: CPU placed in sleep mode		// 15) Action: CPU placed in sleep mode

Dtimofejevs: /* Tutorial 5 – Using dataq with timed action */

2022-03-07T17:34:09Z

Tutorial 5 – Using dataq with timed action

Show changes

Dtimofejevs: /* Tutorial 5 – Using dataq with timed action */

2022-03-07T15:17:49Z

Tutorial 5 – Using dataq with timed action

Show changes

Dtimofejevs: /* Tutorial 4 – Timer interrupt starts task */

2022-03-07T15:12:18Z

Tutorial 4 – Timer interrupt starts task

Show changes

Dtimofejevs: /* Tutorial 3 – Using Semaphores */

2022-03-07T15:05:36Z

Tutorial 3 – Using Semaphores

Show changes

Dtimofejevs: /* Tutorial 2 – Using a mutex */

2022-03-07T15:00:14Z

Tutorial 2 – Using a mutex

Show changes

Dtimofejevs: /* Tutorial 1 – Starting tasks */

2022-03-07T14:52:44Z

Tutorial 1 – Starting tasks

← Older revision		Revision as of 14:52, 7 March 2022
Line 292:		Line 292:
	}		}
	</syntaxhighlight>		</syntaxhighlight>


	'''''tut1.c'''''		'''''tut1.c'''''

Dtimofejevs: /* Tutorial 1 – Starting tasks */

2022-03-07T14:51:43Z

Tutorial 1 – Starting tasks

← Older revision		Revision as of 14:51, 7 March 2022
Line 177:		Line 177:

	</syntaxhighlight>		</syntaxhighlight>

			'''''oceos_config.c'''''

	<syntaxhighlight lang="C" line>		<syntaxhighlight lang="C" line>
	~~'''''oceos_config.c'''''~~

	/*		/*

Dtimofejevs: /* Tutorial 1 – Starting tasks */

2022-03-07T14:50:44Z

Tutorial 1 – Starting tasks

← Older revision		Revision as of 14:50, 7 March 2022
Line 291:		Line 291:
	}		}
	</syntaxhighlight>		</syntaxhighlight>


	'''''tut1.c'''''		'''''tut1.c'''''

	<syntaxhighlight lang="C" line>		<syntaxhighlight lang="C" line>

Line 386:		Line 388:
	return;		return;
	} // fun1()		} // fun1()



	</syntaxhighlight>		</syntaxhighlight>

Dtimofejevs: /* Tutorial 1 – Starting tasks */

2022-03-07T14:49:28Z

Tutorial 1 – Starting tasks

← Older revision		Revision as of 14:49, 7 March 2022
Line 178:		Line 178:
	</syntaxhighlight>		</syntaxhighlight>

			<syntaxhighlight lang="C" line>
	'''''oceos_config.c'''''		'''''oceos_config.c'''''

			/*
			*********************************************************************************************************
			* OCEOS
			* Real-Time Operating System
			* for
			* ARM Microcontroller
			*
			* Example implementation of OCEOS
			*
			*
			* (c) Copyright 2021, O.C.E. Technology
			* All Rights Reserved
			*
			*
			* Author: jfk
			********************************************************************************************************
			*/
			#include <stdio.h>
			#include "oceos_config.h"

			/*
			* OCEOS INTERNAL DATA STORAGE
			*
			* This application defines arrays to hold OCEOS internal data.
			* The array sizes are provided by DMON by running "oceos info" command:</br>
			* *Set all three arrays to guessed max zise, run application for the first time and exit.</br>
			* *Run DMON command "oceos info" to get size for each array.</br>
			* *Update array sizes below
			*/
			U32_t log_data[LOG_DATA_ARRAY_SIZE_U32S];

			U32_t fixed_data[FIXED_DATA_ARRAY_SIZE_U32S] = {0}; // will be in data segment

			U32_t dynamic_data[DYN_DATA_ARRAY_SIZE_U32S];

			const unsigned int __oceos_bsp_sysfreq = BSP_SYSFREQ * 1000 * 1000;// TODO

			static BOOLE_t log_full_was_called = FALSE;

			/**
			* Must be defined if Application is using :
			* Dataq with timeout
			* Semaphore with timeout
			* Timed Actions
			*/
			/*
			* Set up the application configuration structure and pass it to oceos_init
			* (done this way the memory used for the structure is returned automatically)
			*/

			int application_init(){

			/*
			* Create the application configuration structure
			*/
			struct application_configuration app_config = {0};

			/*
			* Fill in the application parameters
			*/
			app_config.log_address = (adrs_t)log_data; // required
			app_config.fixed_data_address = (adrs_t)fixed_data; // required
			app_config.dynamic_data_address = (adrs_t)dynamic_data; // required

			app_config.stack_start_address = OCEOS_STACK_START_ADDRESS; // 0 => no check
			app_config.stack_lower_bound_address = OCEOS_STACK_LOW_BOUND_ADDRESS; // 0 => no check

			app_config.system_error_function = &oceos_on_error; // NULL => ignore
			app_config.log_full_function = &oceos_on_full_log; // NULL => ignore
			// used in setting up system log and fixed data array
			app_config.log_number_of_entries = NUMBER_OF_LOG_ENTRIES; // 0 => use default

			app_config.number_of_tasks = NUMBER_OF_TASKS; // >= 1
			app_config.number_of_readyQ_entries = NUMBER_OF_READYQ_ENTRIES; // 0 => calculate size

			app_config.number_of_mutexes = NUMBER_OF_MUTEXES;
			app_config.number_of_counting_semaphores = NUMBER_OF_SEMAPHORES;
			app_config.number_of_data_queues = NUMBER_OF_DATAQS;

			app_config.timed_actions_queue_size = NUMBER_OF_ACTION_ENTRIES;
			app_config.CS_log_entries_base2 = CS_LOG_DEF_ENTRIES_BASE2;
			app_config.use_oceos_system_time = TRUE;

			// initialise OCEOS
			enum DIRECTIVE_STATUS status;
			status = oceos_init(app_config);

			if (SUCCESSFUL == status) {
			return 1;
			} else {
			printf("\n oceos_init failure\n");
			return -1;
			} // else
			} // application_init()
			/**
			* User to implement in case of system error;
			* Comment it out if not used and set field system_error_function in app_config to NULL
			*/
			void oceos_on_error() {
			return;
			}
			/**
			* User to implement in case of system log is 2/3 full;
			* Comment it out if not used and set field log_full_function in app_config to NULL
			*/
			void oceos_on_full_log(){
			log_full_was_called = TRUE;
			return;
			}
			</syntaxhighlight>

	'''''tut1.c'''''		'''''tut1.c'''''