/****************************************************************************

Copyright(c) 2019 by Aerospace C.Power (Chongqing) Microelectronics. ALL RIGHTS RESERVED.

This Information is proprietary to Aerospace C.Power (Chongqing) Microelectronics and MAY NOT
be copied by any method or incorporated into another program without
the express written consent of Aerospace C.Power. This Information or any portion
thereof remains the property of Aerospace C.Power. The Information contained herein
is believed to be accurate and Aerospace C.Power assumes no responsibility or
liability for its use in any way and conveys no license or title under
any patent or copyright and makes no representation or warranty that this
Information is free from patent or copyright infringement.

****************************************************************************/

#include "os_types.h"
#include "sec_cpu_utils.h"
#include "sec_cpu_timer.h"
#include "sec_cpu_crypto_share.h"

#define SEC_CPU_FSM_LOOP_US                     (10 * 1000)

#define SEC_CPU_FSM_EVENT_LOOP_TIMEOUT          (1 << 31)

typedef struct _sec_cpu_fsm {
    /* fsm loop timestamp */
    uint32_t loop_ts;
} sec_cpu_fsm_t;

static sec_cpu_fsm_t g_sec_cpu_fsm = { 0 };

static uint32_t sec_cpu_fsm_loop(uint32_t events)
{
    (void)events;

    sec_cpu_crypto_share_query();

    return 0;
}

static uint32_t sec_cpu_fsm_event_wait(uint32_t timeout_us)
{
    uint32_t wait_time, ts;

    do {
        ts = sec_cpu_timer_sys_get();
        wait_time = (uint32_t)(ts - g_sec_cpu_fsm.loop_ts);
    } while (wait_time < timeout_us);
    g_sec_cpu_fsm.loop_ts = ts;

    return SEC_CPU_FSM_EVENT_LOOP_TIMEOUT;
}

void sec_cpu_fsm_main(void)
{
    uint32_t events;

    for (;;) {
        events = sec_cpu_fsm_event_wait(SEC_CPU_FSM_LOOP_US);

        sec_cpu_fsm_loop(events);
    }
}

void sec_cpu_fsm_init(void)
{
    sec_cpu_crypto_share_init();
}