標(biāo)題: STM32+HX711電子稱數(shù)據(jù)采集 [打印本頁]

作者: keil_demo    時(shí)間: 2021-6-7 11:58
標(biāo)題: STM32+HX711電子稱數(shù)據(jù)采集
HX711源碼:
unsigned long Read_HX711(void)
{
unsigned long val1 = 0;
unsigned char i;
gpio_set_level(HX711_DATA_GPIO,1);
gpio_set_level(HX711_CLK_GPIO,0);
while(gpio_get_level(HX711_DATA_GPIO));
delay_us(10);
for(i = 0;i < 24;i++)
{
  gpio_set_level(HX711_CLK_GPIO,1);
  val1 = val1<<1;
  delay_us(1);
  gpio_set_level(HX711_CLK_GPIO,0);
  if(gpio_get_level(HX711_DATA_GPIO))
   val1++;
  delay_us(1);
}
gpio_set_level(HX711_CLK_GPIO,1);
val1 = val1^0x800000;
delay_us(1);
gpio_set_level(HX711_CLK_GPIO,0);
delay_us(1);
return val1;

}








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