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ca13734bf0
Add kernel (Cortex-M0/M3/M4, Tricore, S32K, RISC-V ports), drivers, middleware (CAN stack, diagnostics, safety), applications, board support, build/test tooling, and documentation.
103 lines
2.6 KiB
C
103 lines
2.6 KiB
C
/**
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* @file kernel.h
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* @brief Core kernel definitions and types for Automotive RTOS
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* @author Automotive RTOS Team
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* @version 1.0
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*/
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#ifndef KERNEL_H
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#define KERNEL_H
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#include <stdint.h>
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#include <stdbool.h>
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/* Kernel Version */
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#define KERNEL_VERSION_MAJOR 1
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#define KERNEL_VERSION_MINOR 0
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#define KERNEL_VERSION_PATCH 0
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/* Configuration Constants */
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#define MAX_TASKS 32
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#define MAX_PRIORITY_LEVELS 16
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#define MAX_TASK_NAME_LENGTH 16
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#define IDLE_TASK_PRIORITY (MAX_PRIORITY_LEVELS - 1)
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/* Task States */
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typedef enum {
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TASK_SUSPENDED = 0,
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TASK_READY = 1,
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TASK_RUNNING = 2,
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TASK_BLOCKED = 3,
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TASK_TERMINATED = 4
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} TaskState_t;
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/* Task Priority Type */
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typedef uint8_t TaskPriority_t;
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/* Task Handle */
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typedef struct TaskControlBlock* TaskHandle_t;
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/* Task Function */
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typedef void (*TaskFunction_t)(void* parameters);
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/* Time Types */
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typedef uint32_t TickType_t;
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typedef uint32_t TimeOut_t;
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/* Error Codes */
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typedef enum {
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KERNEL_OK = 0,
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KERNEL_ERROR = -1,
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KERNEL_INVALID_PARAMETER = -2,
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KERNEL_OUT_OF_MEMORY = -3,
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KERNEL_TASK_NOT_FOUND = -4,
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KERNEL_PRIORITY_INVALID = -5,
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KERNEL_TIMEOUT = -6,
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KERNEL_RESOURCE_BUSY = -7
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} KernelStatus_t;
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/* Task Creation Parameters */
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typedef struct {
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const char* name;
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TaskFunction_t function;
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void* parameters;
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uint32_t stack_size;
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TaskPriority_t priority;
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TickType_t period_ticks; /* 0 for aperiodic tasks */
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} TaskConfig_t;
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/* Task Statistics */
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typedef struct {
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uint32_t execution_count;
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TickType_t last_execution_time;
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TickType_t max_execution_time;
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TickType_t total_execution_time;
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uint32_t stack_high_water_mark;
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uint32_t deadline_misses;
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} TaskStatistics_t;
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/* Kernel Core Functions */
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KernelStatus_t kernel_init(void);
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KernelStatus_t kernel_start(void);
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void kernel_stop(void);
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TickType_t kernel_get_tick_count(void);
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KernelStatus_t kernel_delay(TickType_t ticks);
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/* Task Management Functions */
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TaskHandle_t task_create(const TaskConfig_t* config);
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KernelStatus_t task_delete(TaskHandle_t task);
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KernelStatus_t task_suspend(TaskHandle_t task);
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KernelStatus_t task_resume(TaskHandle_t task);
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KernelStatus_t task_set_priority(TaskHandle_t task, TaskPriority_t new_priority);
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TaskPriority_t task_get_priority(TaskHandle_t task);
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TaskState_t task_get_state(TaskHandle_t task);
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KernelStatus_t task_get_statistics(TaskHandle_t task, TaskStatistics_t* stats);
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/* Scheduler Control */
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void scheduler_yield(void);
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void scheduler_lock(void);
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void scheduler_unlock(void);
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TaskHandle_t scheduler_get_current_task(void);
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#endif /* KERNEL_H */
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