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58 lines
1.9 KiB
58 lines
1.9 KiB
#include <stdbool.h> //定义布尔
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#include "lib_config.h"
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#include "system_ES8P5066.h"
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uint32_t g_sys_sick = 0;
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/***********************************************************************************************************************
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* ======================================================ticket======================================================= *
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***********************************************************************************************************************/
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void SysTick_IRQHandler(void) { g_sys_sick++; }
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void systicket_init(void) {
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SYSTICK_InitStruType x; //
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x.SysTick_Value = SystemCoreClock / 1000; //
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x.SysTick_ClkSource = SysTick_ClkS_Cpu; //时钟48M
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x.SysTick_ITEnable = Enable; //
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SysTick_Init(&x); //现在滴答定时器时钟用的48M，重装载值4800 t=1s/f(f=48M/48000)
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SysTick_Disable(); //
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SysTick_Enable();
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}
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/**
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* @brief 获得当前时间戳
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*/
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uint32_t systicket_get_now_ms(void) { return g_sys_sick; }
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/**
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* @brief 计算距离上一次ticket过去了多久
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*
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* @param ticket
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* @return uint32_t
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*/
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uint32_t systicket_haspassedms(uint32_t ticket) {
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uint32_t nowticket = systicket_get_now_ms();
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if (nowticket >= ticket) {
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return nowticket - ticket;
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}
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return UINT32_MAX - ticket + nowticket;
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}
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/**
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* @brief 延时多少ms
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*
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* @param nTime
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*/
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void systicket_delay_ms(uint32_t nTime) {
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uint32_t TimingDelay = 0;
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TimingDelay = systicket_get_now_ms();
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// printf("nTime%d\r\n",nTime);
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while (systicket_haspassedms(TimingDelay) < nTime)
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;
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}
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// void systicket_do_debug_light_state(void) {
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// static uint32_t lastprocess = 0;
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// static uint8_t debug_led_state = 1;
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// if (systicket_haspassedms(lastprocess) > 1000) {
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// lastprocess = systicket_get_now_ms();
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// debug_led_state = !debug_led_state;
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// systicket_debug_set(debug_led_state);
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// }
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// }
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