/**
 * @file kernel_config.h
 * @brief Kernel configuration for Automotive RTOS
 */

#ifndef KERNEL_CONFIG_H
#define KERNEL_CONFIG_H

/* ============================================================================
 * Kernel Version Information
 * ============================================================================ */
#define KERNEL_VERSION_MAJOR        1
#define KERNEL_VERSION_MINOR        0
#define KERNEL_VERSION_PATCH        0
#define KERNEL_VERSION_STRING       "1.0.0"

/* ============================================================================
 * Basic Kernel Configuration
 * ============================================================================ */

/* Maximum number of tasks */
#define MAX_TASKS                   32

/* Maximum priority levels (0 = highest, 15 = lowest) */
#define MAX_PRIORITY_LEVELS         16

/* Idle task priority (lowest) */
#define IDLE_TASK_PRIORITY          (MAX_PRIORITY_LEVELS - 1)

/* Maximum task name length */
#define MAX_TASK_NAME_LENGTH        16

/* System tick rate in Hz */
#define TICK_RATE_HZ                1000

/* Tick period in milliseconds */
#define TICK_PERIOD_MS              (1000 / TICK_RATE_HZ)

/* ============================================================================
 * Scheduler Configuration
 * ============================================================================ */

/* Scheduler type */
#define SCHEDULER_TYPE              SCHEDULER_PRIORITY_PREEMPTIVE

/* Enable round-robin scheduling for same priority tasks */
#define ENABLE_ROUND_ROBIN          1

/* Round-robin time slice in ticks */
#define ROUND_ROBIN_TIME_SLICE      10

/* Enable deadline monitoring */
#define ENABLE_DEADLINE_MONITORING  1

/* Maximum allowed deadline misses before fault */
#define MAX_DEADLINE_MISSES         10

/* ============================================================================
 * Synchronization Primitives
 * ============================================================================ */

/* Maximum number of semaphores */
#define MAX_SEMAPHORES              32

/* Maximum number of mutexes */
#define MAX_MUTEXES                 16

/* Maximum number of message queues */
#define MAX_QUEUES                  16

/* Maximum queue size */
#define MAX_QUEUE_SIZE              256

/* Maximum number of event groups */
#define MAX_EVENT_GROUPS            8

/* Maximum number of software timers */
#define MAX_TIMERS                  16

/* ============================================================================
 * Memory Management
 * ============================================================================ */

/* Enable memory protection */
#define ENABLE_MEMORY_PROTECTION    1

/* Enable stack overflow detection */
#define ENABLE_STACK_CHECK          1

/* Stack fill pattern for overflow detection */
#define STACK_FILL_PATTERN          0xA5A5A5A5

/* Default task stack size */
#define DEFAULT_TASK_STACK_SIZE     1024

/* Minimum task stack size */
#define MIN_TASK_STACK_SIZE         256

/* Idle task stack size */
#define IDLE_TASK_STACK_SIZE        512

/* ISR stack size */
#define ISR_STACK_SIZE              2048

/* Heap size for dynamic allocation */
#define HEAP_SIZE                   65536

/* Enable heap usage tracking */
#define ENABLE_HEAP_TRACKING        1

/* ============================================================================
 * Interrupt Management
 * ============================================================================ */

/* Maximum number of ISR handlers */
#define MAX_ISR_HANDLERS            128

/* Maximum interrupt nesting level */
#define MAX_INTERRUPT_NESTING       8

/* Kernel interrupt priority (highest) */
#define KERNEL_INTERRUPT_PRIORITY   0

/* System call interrupt priority */
#define SYSCALL_INTERRUPT_PRIORITY  1

/* PendSV interrupt priority (lowest) */
#define PENDSV_INTERRUPT_PRIORITY   (MAX_PRIORITY_LEVELS - 1)

/* SysTick interrupt priority */
#define SYSTICK_INTERRUPT_PRIORITY  (MAX_PRIORITY_LEVELS - 1)

/* ============================================================================
 * Fault Handling
 * ============================================================================ */

/* Enable fault handlers */
#define ENABLE_FAULT_HANDLERS       1

/* Enable hard fault handler */
#define ENABLE_HARD_FAULT_HANDLER   1

/* Enable bus fault handler */
#define ENABLE_BUS_FAULT_HANDLER    1

/* Enable usage fault handler */
#define ENABLE_USAGE_FAULT_HANDLER  1

/* Enable memory management fault handler */
#define ENABLE_MEM_FAULT_HANDLER    1

/* Maximum number of fault records */
#define MAX_FAULT_RECORDS           16

/* ============================================================================
 * Debug and Trace
 * ============================================================================ */

/* Enable debug output */
#define ENABLE_DEBUG_OUTPUT         1

/* Debug level (0=off, 1=error, 2=warning, 3=info, 4=debug) */
#define DEBUG_LEVEL                 3

/* Enable trace functionality */
#define ENABLE_TRACE                0

/* Trace buffer size */
#define TRACE_BUFFER_SIZE           4096

/* Enable assertions */
#define ENABLE_ASSERT               1

/* Enable runtime statistics */
#define ENABLE_RUNTIME_STATS        1

/* ============================================================================
 * Power Management
 * ============================================================================ */

/* Enable power management */
#define ENABLE_POWER_MANAGEMENT     1

/* Enable sleep modes */
#define ENABLE_SLEEP_MODE           1

/* Enable deep sleep modes */
#define ENABLE_DEEP_SLEEP           0

/* Idle task uses WFI */
#define IDLE_TASK_USES_WFI          1

/* ============================================================================
 * Safety Features
 * ============================================================================ */

/* Enable watchdog integration */
#define ENABLE_WATCHDOG             1

/* Watchdog timeout in milliseconds */
#define WATCHDOG_TIMEOUT_MS         100

/* Enable task supervision */
#define ENABLE_TASK_SUPERVISION     1

/* Enable E2E protection */
#define ENABLE_E2E_PROTECTION       1

/* Enable memory ECC */
#define ENABLE_MEMORY_ECC           1

/* Enable clock monitoring */
#define ENABLE_CLOCK_MONITORING     1

/* Enable temperature monitoring */
#define ENABLE_TEMP_MONITORING      1

/* ============================================================================
 * Communication
 * ============================================================================ */

/* Enable CAN support */
#define ENABLE_CAN                  1

/* Enable LIN support */
#define ENABLE_LIN                  0

/* Enable FlexRay support */
#define ENABLE_FLEXRAY              0

/* Enable Ethernet support */
#define ENABLE_ETHERNET             0

/* ============================================================================
 * Diagnostics
 * ============================================================================ */

/* Enable UDS support */
#define ENABLE_UDS                  1

/* Enable OBD-II support */
#define ENABLE_OBD_II               1

/* Enable DTC management */
#define ENABLE_DTC_MANAGEMENT       1

/* Maximum number of DTCs */
#define MAX_DTC_COUNT               100

/* ============================================================================
 * Configuration Validation
 * ============================================================================ */

#if MAX_TASKS > 255
#error "MAX_TASKS must be less than 256"
#endif

#if MAX_PRIORITY_LEVELS > 32
#error "MAX_PRIORITY_LEVELS must be less than 33"
#endif

#if TICK_RATE_HZ < 100 || TICK_RATE_HZ > 10000
#error "TICK_RATE_HZ must be between 100 and 10000"
#endif

#endif /* KERNEL_CONFIG_H */