98 lines
2.9 KiB
C
98 lines
2.9 KiB
C
/********************************** (C) COPYRIGHT *******************************
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* File Name : SLEEP.c
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* Author : WCH
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* Version : V1.2
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* Date : 2022/01/18
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* Description : 睡眠配置及其初始化
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*********************************************************************************
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* Copyright (c) 2021 Nanjing Qinheng Microelectronics Co., Ltd.
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* Attention: This software (modified or not) and binary are used for
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* microcontroller manufactured by Nanjing Qinheng Microelectronics.
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*******************************************************************************/
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/******************************************************************************/
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/* 头文件包含 */
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#include "HAL.h"
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/*******************************************************************************
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* @fn CH59x_LowPower
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*
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* @brief 启动睡眠
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*
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* @param time - 唤醒的时间点（RTC绝对值）
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*
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* @return state.
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*/
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uint32_t CH59x_LowPower(uint32_t time)
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{
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#if(defined(HAL_SLEEP)) && (HAL_SLEEP == TRUE)
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volatile uint32_t i;
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uint32_t time_sleep, time_curr;
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unsigned long irq_status;
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// 提前唤醒
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if (time <= WAKE_UP_RTC_MAX_TIME) {
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time = time + (RTC_MAX_COUNT - WAKE_UP_RTC_MAX_TIME);
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} else {
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time = time - WAKE_UP_RTC_MAX_TIME;
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}
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SYS_DisableAllIrq(&irq_status);
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time_curr = RTC_GetCycle32k();
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// 检测睡眠时间
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if (time < time_curr) {
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time_sleep = time + (RTC_MAX_COUNT - time_curr);
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} else {
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time_sleep = time - time_curr;
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}
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// 若睡眠时间小于最小睡眠时间或大于最大睡眠时间，则不睡眠
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if ((time_sleep < SLEEP_RTC_MIN_TIME) ||
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(time_sleep > SLEEP_RTC_MAX_TIME)) {
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SYS_RecoverIrq(irq_status);
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return 2;
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}
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RTC_SetTignTime(time);
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SYS_RecoverIrq(irq_status);
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#if(DEBUG == Debug_UART1) // 使用其他串口输出打印信息需要修改这行代码
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while((R8_UART1_LSR & RB_LSR_TX_ALL_EMP) == 0)
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{
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__nop();
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}
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#endif
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// LOW POWER-sleep模式
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if(!RTCTigFlag)
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{
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LowPower_Sleep(RB_PWR_RAM2K | RB_PWR_RAM24K | RB_PWR_EXTEND | RB_XT_PRE_EN );
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HSECFG_Current(HSE_RCur_100); // 降为额定电流(低功耗函数中提升了HSE偏置电流)
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i = RTC_GetCycle32k();
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while(i == RTC_GetCycle32k());
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return 0;
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}
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#endif
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return 3;
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}
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/*******************************************************************************
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* @fn HAL_SleepInit
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*
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* @brief 配置睡眠唤醒的方式 - RTC唤醒，触发模式
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*
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* @param None.
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*
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* @return None.
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*/
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void HAL_SleepInit(void)
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{
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#if(defined(HAL_SLEEP)) && (HAL_SLEEP == TRUE)
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sys_safe_access_enable();
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R8_SLP_WAKE_CTRL |= RB_SLP_RTC_WAKE; // RTC唤醒
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sys_safe_access_disable();
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sys_safe_access_enable();
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R8_RTC_MODE_CTRL |= RB_RTC_TRIG_EN; // 触发模式
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sys_safe_access_disable();
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PFIC_EnableIRQ(RTC_IRQn);
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#endif
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}
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