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rt-thread-official/bsp/wch/arm/ch579m/libraries/StdPeriphDriver/CH57x_pwr.c

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/********************************** (C) COPYRIGHT *******************************
* File Name : CH57x_pwr.c
* Author : WCH
* Version : V1.0
* Date : 2018/12/15
* Description
*******************************************************************************/
#include "CH57x_common.h"
/*******************************************************************************
* Function Name : PWR_DCDCCfg
* Description : 启用内部DC/DC电源，用于节约系统功耗
* Input : s:
ENABLE - 打开DCDC电源
DISABLE - 关闭DCDC电源
* Return : None
*******************************************************************************/
void PWR_DCDCCfg( UINT8 s )
{
if(s == DISABLE)
{
R8_SAFE_ACCESS_SIG = SAFE_ACCESS_SIG1;
R8_SAFE_ACCESS_SIG = SAFE_ACCESS_SIG2;
R16_POWER_PLAN &= ~(RB_PWR_DCDC_EN|RB_PWR_DCDC_PRE); // 旁路 DC/DC
R8_SAFE_ACCESS_SIG = SAFE_ACCESS_SIG0;
}
else
{
R8_SAFE_ACCESS_SIG = SAFE_ACCESS_SIG1;
R8_SAFE_ACCESS_SIG = SAFE_ACCESS_SIG2;
R16_POWER_PLAN |= RB_PWR_DCDC_PRE;
DelayUs(10);
R8_SAFE_ACCESS_SIG = SAFE_ACCESS_SIG1;
R8_SAFE_ACCESS_SIG = SAFE_ACCESS_SIG2;
R16_POWER_PLAN |= RB_PWR_DCDC_EN;
R8_SAFE_ACCESS_SIG = SAFE_ACCESS_SIG0;
}
}
/*******************************************************************************
* Function Name : PWR_UnitModCfg
* Description : 可控单元模块的电源控制
* Input : s:
ENABLE - 打开
DISABLE - 关闭
unit:
please refer to unit of controllable power supply
* Return : None
*******************************************************************************/
void PWR_UnitModCfg( UINT8 s, UINT8 unit )
{
if(s == DISABLE) //关闭
{
R8_SAFE_ACCESS_SIG = SAFE_ACCESS_SIG1;
R8_SAFE_ACCESS_SIG = SAFE_ACCESS_SIG2;
if(unit&UNIT_ETH_PHY) R8_SLP_POWER_CTRL |= RB_SLP_ETH_PWR_DN;
R8_HFCK_PWR_CTRL &= ~(unit&0x1c);
R8_CK32K_CONFIG &= ~(unit&0x03);
}
else //打开
{
R8_SAFE_ACCESS_SIG = SAFE_ACCESS_SIG1;
R8_SAFE_ACCESS_SIG = SAFE_ACCESS_SIG2;
if(unit&UNIT_ETH_PHY) R8_SLP_POWER_CTRL &= ~RB_SLP_ETH_PWR_DN;
R8_HFCK_PWR_CTRL |= (unit&0x1c);
R8_CK32K_CONFIG |= (unit&0x03);
}
R8_SAFE_ACCESS_SIG = 0;
}
/*******************************************************************************
* Function Name : PWR_PeriphClkCfg
* Description : 外设时钟控制位
* Input : s:
ENABLE - 打开外设时钟
DISABLE - 关闭外设时钟
perph:
please refer to Peripher CLK control bit define
* Return : None
*******************************************************************************/
void PWR_PeriphClkCfg( UINT8 s, UINT16 perph )
{
if( s == DISABLE )
{
R8_SAFE_ACCESS_SIG = SAFE_ACCESS_SIG1;
R8_SAFE_ACCESS_SIG = SAFE_ACCESS_SIG2;
R32_SLEEP_CONTROL |= perph;
}
else
{
R8_SAFE_ACCESS_SIG = SAFE_ACCESS_SIG1;
R8_SAFE_ACCESS_SIG = SAFE_ACCESS_SIG2;
R32_SLEEP_CONTROL &= ~perph;
}
R8_SAFE_ACCESS_SIG = 0;
}
/*******************************************************************************
* Function Name : PWR_PeriphWakeUpCfg
* Description : 睡眠唤醒源配置
* Input : s:
ENABLE - 打开此外设睡眠唤醒功能
DISABLE - 关闭此外设睡眠唤醒功能
perph:
RB_SLP_USB_WAKE - USB 为唤醒源
RB_SLP_ETH_WAKE - ETH 为唤醒源
RB_SLP_RTC_WAKE - RTC 为唤醒源
RB_SLP_GPIO_WAKE - GPIO 为唤醒源
RB_SLP_BAT_WAKE - BAT 为唤醒源
ALL - 以上所有
* Return : None
*******************************************************************************/
void PWR_PeriphWakeUpCfg( UINT8 s, UINT16 perph )
{
if( s == DISABLE )
{
R8_SAFE_ACCESS_SIG = SAFE_ACCESS_SIG1;
R8_SAFE_ACCESS_SIG = SAFE_ACCESS_SIG2;
R8_SLP_WAKE_CTRL &= ~perph;
}
else
{
R8_SAFE_ACCESS_SIG = SAFE_ACCESS_SIG1;
R8_SAFE_ACCESS_SIG = SAFE_ACCESS_SIG2;
R8_SLP_WAKE_CTRL |= perph;
}
R8_SAFE_ACCESS_SIG = 0;
}
/*******************************************************************************
* Function Name : PowerMonitor
* Description : 电源监控
* Input : s:
ENABLE - 打开此功能
DISABLE - 关闭此功能
* Return : None
*******************************************************************************/
void PowerMonitor( UINT8 s )
{
if( s == DISABLE )
{
R8_SAFE_ACCESS_SIG = SAFE_ACCESS_SIG1;
R8_SAFE_ACCESS_SIG = SAFE_ACCESS_SIG2;
R8_BAT_DET_CTRL = 0;
R8_SAFE_ACCESS_SIG = 0;
}
else
{
R8_SAFE_ACCESS_SIG = SAFE_ACCESS_SIG1;
R8_SAFE_ACCESS_SIG = SAFE_ACCESS_SIG2;
R8_BAT_DET_CFG = 1; // 2.05V - 2.33V
R8_BAT_DET_CTRL = RB_BAT_DET_EN;
R8_SAFE_ACCESS_SIG = 0;
mDelayuS(1);
R8_SAFE_ACCESS_SIG = SAFE_ACCESS_SIG1;
R8_SAFE_ACCESS_SIG = SAFE_ACCESS_SIG2;
R8_BAT_DET_CTRL = RB_BAT_LOW_IE|RB_BAT_LOWER_IE|RB_BAT_DET_EN;
R8_SAFE_ACCESS_SIG = 0;
}
}
/*******************************************************************************
* Function Name : LowPower_Idle
* Description : 低功耗-Idle模式
* Input : None
* Return : None
*******************************************************************************/
void LowPower_Idle( void )
{
SCB -> SCR &= ~SCB_SCR_SLEEPDEEP_Msk; // sleep
__WFI();
}
/*******************************************************************************
* Function Name : EnterCodeUpgrade
* Description : 跳入BOOT程序，准备代码升级
* Input : None
* Return : None
*******************************************************************************/
void EnterCodeUpgrade( void )
{
/* RTC wakeup */
UINT32 t;
R8_SAFE_ACCESS_SIG = SAFE_ACCESS_SIG1;
R8_SAFE_ACCESS_SIG = SAFE_ACCESS_SIG2;
R8_SLP_WAKE_CTRL |= RB_SLP_RTC_WAKE;
R16_POWER_PLAN = RB_PWR_PLAN_EN \
|RB_PWR_MUST_0010;
R8_SAFE_ACCESS_SIG = 0;
do{
t = R32_RTC_CNT_32K;
}while( t != R32_RTC_CNT_32K );
t = t + 10;
if( t>0xA8C00000 ) t -= 0xA8C00000;
if( t&0xFFFF ) t = t+0x10000;
R8_RTC_FLAG_CTRL = RB_RTC_TRIG_CLR|RB_RTC_TMR_CLR;
R8_SAFE_ACCESS_SIG = SAFE_ACCESS_SIG1;
R8_SAFE_ACCESS_SIG = SAFE_ACCESS_SIG2;
R32_RTC_TRIG = t;
R8_RTC_MODE_CTRL = 0x2f; // 进入boot下载必要条件
R8_SAFE_ACCESS_SIG = 0;
R8_SAFE_ACCESS_SIG = SAFE_ACCESS_SIG1;
R8_SAFE_ACCESS_SIG = SAFE_ACCESS_SIG2;
R16_CLK_SYS_CFG = 5; // 降频 HSI/5=6.4M
R8_SAFE_ACCESS_SIG = 0;
/* ready to BOOT */
__SEV();
__WFE();
__WFE();
while(1);
}
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