#ifndef TASK01_MUTEX_H
#define TASK01_MUTEX_H

#include <stdint.h>

#include "FreeRTOS.h"
#include "semphr.h"
#include "task.h"
#include "task01_mutex_model.h"

#define FC08_TASK_STACK_WORDS       256U
#define FC08_LOW_PRIORITY           1U
#define FC08_MEDIUM_PRIORITY        2U
#define FC08_HIGH_PRIORITY          3U
#define FC08_VERIFIER_PRIORITY      0U
#define FC08_EVENT_CAPACITY         12U
#define FC08_TIMEOUT_TICKS          20U

typedef struct MutexExperiment
{
    SemaphoreHandle_t mutex;
    TaskHandle_t low_handle;
    TaskHandle_t medium_handle;
    TaskHandle_t high_handle;
    TaskHandle_t verifier_handle;
    UBaseType_t inherited_priority;
    UBaseType_t restored_priority;
    TaskHandle_t holder_while_contended;
    eTaskState medium_state_while_inherited;
    uintptr_t low_sp;
    uintptr_t high_sp;
    uintptr_t medium_sp;
    uint32_t protected_value;
    uint32_t medium_started;
    uint32_t medium_started_while_inherited;
    uint32_t high_acquired;
    uint32_t low_done;
    uint32_t high_done;
    uint32_t medium_done;
    uint32_t pass;
    uint32_t evidence_digest;
} MutexExperiment;

extern MutexExperiment g_fc08;
extern MutexEvidence g_fc08_events[ FC08_EVENT_CAPACITY ];
extern volatile uint32_t g_fc08_event_count;
extern volatile uint32_t g_fc08_last_checkpoint;
extern volatile uint32_t g_fc08_pass;

void fc08_checkpoint_committed( uint32_t point, const void * subject );
void fc08_low_entry( void * context );
void fc08_medium_entry( void * context );
void fc08_high_entry( void * context );
void fc08_verifier_entry( void * context );

#endif