第十一届蓝桥杯嵌入式组别底层驱动程序-拓展板(光敏电阻②)
PA4-TRA0
PA4根据AD采样的值来判断光强大小
int main(void)
{
u16 tmp = 0;
SysTick_Config(SystemCoreClock/1000);
STM3210B_LCD_Init();
LCD_Clear(White);
LCD_SetTextColor(White);
LCD_SetBackColor(Blue);
LCD_DisplayStringLine(Line1,(u8*)" R-Photo DEMO ");
LCD_SetTextColor(Blue);
LCD_SetBackColor(White);
ADC_Config();
while(1)
{
tmp = Read_ADC();
snprintf((char *)str, sizeof(str), " R-P:%.2fK ", tmp/(4096.-tmp)*10);
LCD_DisplayStringLine(Line6, str);
Delay_Ms(200);
}
}
原文链接:https://blog.csdn.net/Zach_z/article/details/80548423