void LowPower_Init(void)
{
LowPower_CLK_Config();
CLK_HaltConfig(CLK_Halt_FastWakeup,ENABLE);//快速唤醒
LowPower_GPIO_Config();
PWR_UltraLowPowerCmd(ENABLE);
}
static void Goto_HALT()
{
// Prepare for HALT mode
LED_OFF;
RFM_OFF;
btn_pressed = 0;
CLK->PCKENR1 = 0x00; //Stop all peripheral clocks
CLK->PCKENR2 = 0x00;
CLK->PCKENR3 = 0x00;
PWR_FastWakeUpCmd(ENABLE); //Enables or disables the Fast WakeUp from Ultra Low Power mode, system does not wait for VrefINT to stabilize (around 3ms)
PWR_UltraLowPowerCmd(ENABLE); //Enables or disables the Ultra Low Power mode, disable VrefINT during Halt or Active-Halt modes
CLK_HaltConfig(CLK_Halt_FastWakeup, ENABLE); //Configures clock during halt and active halt modes
//Fast wakeup from Halt/Active-halt modes enabled: HSI/8 used as system clock source after wakeup from Halt/Active-halt
CLK_HaltConfig(CLK_Halt_SlowWakeup, ENABLE); //When it is set, the main voltage regulator is powered off as soon as the MCU enters Active-halt mode, so the wakeup time is longer
//1: MVR regulator OFF in Active-halt mode
halt(); /* go to HALT mode */
}
/***********************************************************************
* @brief IdleTask
* @param None
* @retval None
************************************************************************/
void IdleTask(void)
{
#ifdef DEBUG
printf("IdleTask ...\r\n");
AppTrace_DeInit();
#endif
PWR_UltraLowPowerCmd(ENABLE);
CLK_HaltConfig(CLK_Halt_FastWakeup, ENABLE);
PWR_FastWakeUpCmd(ENABLE);
halt();
#ifdef DEBUG
AppTrace_Init();
printf("Wakeup ...\r\n");
#endif
}
