標(biāo)題:
STM32+HX711電子稱數(shù)據(jù)采集
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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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