69 lines
1.9 KiB
C
69 lines
1.9 KiB
C
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/****************************************************************************
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Copyright(c) 2019 by Aerospace C.Power (Chongqing) Microelectronics. ALL RIGHTS RESERVED.
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This Information is proprietary to Aerospace C.Power (Chongqing) Microelectronics and MAY NOT
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be copied by any method or incorporated into another program without
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the express written consent of Aerospace C.Power. This Information or any portion
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thereof remains the property of Aerospace C.Power. The Information contained herein
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is believed to be accurate and Aerospace C.Power assumes no responsibility or
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liability for its use in any way and conveys no license or title under
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any patent or copyright and makes no representation or warranty that this
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Information is free from patent or copyright infringement.
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****************************************************************************/
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#include "os_types.h"
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#include "sec_cpu_utils.h"
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#include "sec_cpu_timer.h"
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#include "sec_cpu_crypto_share.h"
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#define SEC_CPU_FSM_LOOP_US (10 * 1000)
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#define SEC_CPU_FSM_EVENT_LOOP_TIMEOUT (1 << 31)
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typedef struct _sec_cpu_fsm {
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/* fsm loop timestamp */
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uint32_t loop_ts;
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} sec_cpu_fsm_t;
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static sec_cpu_fsm_t g_sec_cpu_fsm = { 0 };
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static uint32_t sec_cpu_fsm_loop(uint32_t events)
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{
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(void)events;
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sec_cpu_crypto_share_query();
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return 0;
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}
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static uint32_t sec_cpu_fsm_event_wait(uint32_t timeout_us)
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{
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uint32_t wait_time, ts;
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do {
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ts = sec_cpu_timer_sys_get();
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wait_time = (uint32_t)(ts - g_sec_cpu_fsm.loop_ts);
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} while (wait_time < timeout_us);
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g_sec_cpu_fsm.loop_ts = ts;
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return SEC_CPU_FSM_EVENT_LOOP_TIMEOUT;
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}
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void sec_cpu_fsm_main(void)
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{
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uint32_t events;
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for (;;) {
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events = sec_cpu_fsm_event_wait(SEC_CPU_FSM_LOOP_US);
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sec_cpu_fsm_loop(events);
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}
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}
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void sec_cpu_fsm_init(void)
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{
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sec_cpu_crypto_share_init();
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}
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