STM8S led熄灭后不能再次开机的问题

jackyang0507 提问时间：2019-4-22 17:12 /

问答
是否解决:

最近改了一个程式如下，调试时发现运行M_LowBatteryPower时，第一次可以有LED闪烁，led灯灭之后开不了机，必须断电重来。
void main(void)
{
u8 button_test=1;

/*!<Set High speed internal clock */
CLK_HSIPrescalerConfig(CLK_PRESCALER_HSIDIV1); //16MHz

/* TIM4 counter 1ms  */
Tim4_Init(); //1ms counter interrupts

/* ADC Ch4 & Ch3 Init */
ADCPin_Init();
__enable_interrupt();

/* LED_GPIO */
LED_Init();

/* GPIO_input */
INGPIO_Init();

POWER(OFF);

t25minstop = T25MIN_STOP;

while(ADCBatteryFirstOK) // power on check battery Level low power or not
{
LED_3(OFF);
LED_4(OFF);
SetUltrasound_PWM(0); // Ultrasound OFF
Get_Battery_ADC();

            if(Conversion_Value[0] < 2.1)
{    batterylow_flg = 1;
//BatteryLV = 5;//2改为
//Dischargeindicator_stage = BatteryL;
}

            if(fbtadc)
if(Conversion_Value[0] > 2.1) // 1.875/20190417
ADCBatteryFirstOK = 0;
                              batterylow_flg = 0;
};

while(1)
{

KeyNo = GetKey();

Get_Battery_Ultrasound_ADC(); // 1ms get battery adc *20 = 20ms & 1ms get ultsound adc*20 = 20ms

GetBattery_Level_Process(Run_Mode);
            Get_Battery_ADC();
            BatteryIndicator_Process(Run_Mode,Dischargeindicator_stage);
            if(batterylow_flg)
Run_Mode = M_LowBatteryPower;//0421

         switch(Run_Mode)
{
case M_WaitKey: // check key = enter or 3s enter
{
// workingtime.Tcut_flg = disable;
t1secstop = 1750;
t25minstop = T25MIN_STOP;
offsetcut = 0;
                           // t10secstop = 5000;
                              LED_3(OFF);
LED_4(OFF);

if(KeyNo == KEY_ENTER)
Run_Mode = M_Standard;
else if(KeyNo == KEY_3SENTER)
Run_Mode = M_Inverse;
}
break;

case M_Inverse: // M_Inverse mode
{
POWER(ON); // power latch
                              LED_3(ON);
LED_4(ON);
EN_Inverse = 1; // disable no water auto stop

if(t1secstop == 0 && KeyNo == NO_KEY)
Run_Mode = M_Standard;
}
break;

case M_Standard: // standard mode
{
while(button_test)
{
POWER(ON);
                                    LED_3(OFF);
LED_4(ON);// power latch
TIM2_PWM_Init(); //Ultrasound PWM init
button_test = 0;
// workingtime.Tcut_flg = enable;
/*
for(n=0;n<30;n++)
{
wt.buff1[n] = 0;
wt.buff2[n] = 0;
wt.buff3[n] = 0;
}
*/
wt.ost_gap = 0;
wt.ost_old = 0;
wt.ost_new = 0;
}

if(scan_ultrasound_PWM) // ultrasound
{
scan_ultrasound_PWM = 0;
UltSound_Scanfrequency_process(Dischargeindicator_stage);
}

if(KeyNo != NO_KEY)
Run_Mode = M_PowerOFF;
}
break;

                     case M_LowBatteryPower:
{


if(lowpowercut >= 5)
{    //SetUltrasound_PWM(0);//放在这里闪烁5次灯，只有才不喷雾
//Run_Mode = M_PowerOFF;
                                    SetUltrasound_PWM(0);


}
else
//{
if(lowledstep == 0) // Red On
{
if(tLowbatteryshutter == 0)
{
tLowbatteryshutter = 500;
//LED_1(OFF);
//LED_2(OFF);
LED_3(ON);
LED_4(OFF);
//LED_5(OFF);
lowledstep = 1;
}
}
else if(lowledstep == 1) //Red Off
{
if(tLowbatteryshutter == 0)
{
tLowbatteryshutter = 500;
//LED_1(OFF);
//LED_2(OFF);
LED_3(OFF);
LED_4(OFF);
//LED_5(OFF);
lowledstep = 0;
lowpowercut++;
}
}
//}

                     }
break;




////////////////////////////////////////////////////////////////////////////////////////////
default:
case M_PowerOFF:
{
// workingtime.Tcut_flg = disable;
SetUltrasound_PWM(0);
LED_3(OFF);
LED_4(OFF);
POWER(OFF);
Run_Mode = M_WaitKey;
button_test = 1;
scan_step = 0;
t25minstop = T25MIN_STOP;
BatteryLV = 0;
wt.adc_old = 0;
wt.cut = 0;
wt.tTemp = 0;
wt.adc_gap = 0;
wt.adc_new = 0;
wt.n = 0;
offsetcut = 0;
EN_Inverse = 0;
                              batterylow_flg = 0;//0421
                           // t10secstop= 5000;//0417

}
break;