STM32的RTC和ADC问题

q598624337

把rtc的例程和内部温度传感器的例程写在一起后，rtc时钟老是闪烁，ADC和RTC有冲突？高手求解

正点原子

回复【3楼】q598624337:
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因为你在main函数有显示,中断里面也有显示
不乱才怪.
当main函数的显示,显示到一半的时候,突然来个中断,好了,这下中断接着设置坐标和显示地址,等你中断显示完了,回到main函数,main函数的显示函数还是接着之前的运行,这个时候,坐标早就物是人非了...
怎么能不乱?

正点原子

是你更新LCD的代码有bug吧...

q598624337

[mw_shl_code=c,true] [/mw_shl_code] [mw_shl_code=c,true]中断服务函数[/mw_shl_code] [mw_shl_code=c,true]void RTC_IRQHandler(void) { if(RTC->CRL&0x0001) { RTC_ClearITPendingBit(RTC_IT_SEC); if(funflag == 0) { RTC_Get(); LCD_ShowNum(60,130,timer.w_year,4,16); LCD_ShowNum(100,130,timer.w_month,2,16); LCD_ShowNum(124,130,timer.w_date,2,16); LCD_ShowNum(60,162,timer.hour,2,16); LCD_ShowNum(84,162,timer.min,2,16); LCD_ShowNum(108,162,timer.sec,2,16); switch(timer.week) { case 0: LCD_ShowString(60,148,"Sunday "); break; case 1: LCD_ShowString(60,148,"Monday "); break; case 2: LCD_ShowString(60,148,"Tuesday "); break; case 3: LCD_ShowString(60,148,"Wednesday"); break; case 4: LCD_ShowString(60,148,"Thursday "); break; case 5: LCD_ShowString(60,148,"Friday "); break; case 6: LCD_ShowString(60,148,"Saturday "); break; } } else if((funflag>0)&&(funflag<6)) { timer.sec=0; } RTC_ClearITPendingBit(RTC_IT_SEC); } if(RTC->CRL&0x0002) { RTC->CRL&=~(0x0002); LED1=!LED1; delay_init(3); LED1=!LED1; } RTC->CRL&=0X0FFA; while(!(RTC->CRL&(1<<5))); }[/mw_shl_code]

[mw_shl_code=c,true] [/mw_shl_code] [mw_shl_code=c,true]int main(void) { u16 adcx; float temp; float temperate; SystemInit(); delay_init(72); NVIC_Configuration(); uart_init(9600); LED_Init(); EXTIX_Init(); LCD_Init(); RTC_Init(); T_Adc_Init(); POINT_COLOR=RED; LCD_ShowString(60,50,"Mini STM32"); LCD_ShowString(60,70,"RTC TEST"); LCD_ShowString(60,90,"ATOM@ALIENTEK"); LCD_ShowString(60,110,"2010/12/30"); //?????±?? POINT_COLOR=BLUE; LCD_ShowString(60,130," - - "); LCD_ShowString(60,162," : : "); POINT_COLOR=RED; LCD_ShowString(60,182,"TEMP_VAL:"); LCD_ShowString(60,202,"TEMP_VOL:0.000V"); LCD_ShowString(60,222,"TEMPERATE:00.00C"); while(1) { adcx=T_Get_Temp(); LCD_ShowNum(132,182,adcx,4,16); temp=(float)adcx*(3.3/4096); temperate=temp; adcx=temp; LCD_ShowNum(132,202,adcx,1,16); temp-=(u8)temp; LCD_ShowNum(148,202,temp*1000,3,16); temperate=(1.43-temperate)/0.0043+25; LCD_ShowNum(140,222,(u8)temperate,2,16); temperate-=(u8)temperate; LCD_ShowNum(164,222,temperate*100,2,16); LED0=!LED0; delay_ms(250); }; }[/mw_shl_code]

原子哥帮我看一下

q598624337

回复【4楼】正点原子:
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原来如此，我一直以为是adc的原因 -。-