基本信息
源码名称:温湿度检测(SHT30温湿度检测 LCD1602显示 LV上位机)
源码大小:3.14M
文件格式:.zip
开发语言:C/C++
更新时间:2020-05-12
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源码介绍
温湿度检测
float TEMP;
u8 tmp1, tmp2;
u16 ST;
SHT2x_SCL_OUTPUT();
SHT2x_I2cStartCondition();
SHT2x_I2cWriteByte(I2C_ADR_W);
SHT2x_I2cWriteByte(TRIG_TEMP_MEASUREMENT_HM);
SHT2x_I2cStartCondition();
SHT2x_I2cWriteByte(I2C_ADR_R);
SHT2x_SCL_HIGH();
SHT2x_SCL_INPUT();
while(Bit_RESET == SHT2x_SCL_STATE())
{
SHT2x_Delay(20);
}
tmp1 = SHT2x_I2cReadByte();
SHT2x_I2cAcknowledge();
tmp2 = SHT2x_I2cReadByte();
SHT2x_I2cNoAcknowledge();
SHT2x_I2cStopCondition();
ST = (tmp1 << 8) | (tmp2 << 0);
ST &= ~0x0003;
TEMP = ((float)ST * 0.00268127) - 46.85;
SHT2x_SCL_OUTPUT();
return (TEMP);
温湿度检测
float TEMP;
u8 tmp1, tmp2;
u16 ST;
SHT2x_SCL_OUTPUT();
SHT2x_I2cStartCondition();
SHT2x_I2cWriteByte(I2C_ADR_W);
SHT2x_I2cWriteByte(TRIG_TEMP_MEASUREMENT_HM);
SHT2x_I2cStartCondition();
SHT2x_I2cWriteByte(I2C_ADR_R);
SHT2x_SCL_HIGH();
SHT2x_SCL_INPUT();
while(Bit_RESET == SHT2x_SCL_STATE())
{
SHT2x_Delay(20);
}
tmp1 = SHT2x_I2cReadByte();
SHT2x_I2cAcknowledge();
tmp2 = SHT2x_I2cReadByte();
SHT2x_I2cNoAcknowledge();
SHT2x_I2cStopCondition();
ST = (tmp1 << 8) | (tmp2 << 0);
ST &= ~0x0003;
TEMP = ((float)ST * 0.00268127) - 46.85;
SHT2x_SCL_OUTPUT();
return (TEMP);