基于STM32的HDC1080传感器程序

ID:958854 · 发表于 2021-12-14 12:29

TI公司的传感器芯片使用IIC通讯

单片机源程序如下:

/*
* HDC1080.c:
*/
#include "hdc1080.h"
#include <stdlib.h>
#include <stdio.h>
#define HDC1080_I2CADDR 0x40
#define HDC1080_TEMPERATURE 0x00
#define HDC1080_HUMIDITY 0x01
#define HDC1080_CONFIG 0x02
#define HDC1080_CONFIG_RST (1 << 15)
#define HDC1080_CONFIG_HEAT (1 << 13)
#define HDC1080_CONFIG_MODE (1 << 12)
#define HDC1080_CONFIG_BATT (1 << 11)
#define HDC1080_CONFIG_TRES_14 0
#define HDC1080_CONFIG_TRES_11 (1 << 10)
#define HDC1080_CONFIG_HRES_14 0
#define HDC1080_CONFIG_HRES_11 (1 << 8)
#define HDC1080_CONFIG_HRES_8 (1 << 9)
#define HDC1080_SERIAL_ID_FIRST 0xFB
#define HDC1080_SERIAL_ID_MID 0xFC
#define HDC1080_SERIAL_ID_LAST 0xFD
#define HDC1080_MANUFID 0xFE
#define HDC1080_DEVICEID 0xFF
bool HDC1080_Init(void)
{
uint16_t data;
uint8_t buf[2];
uint16_t config = HDC1080_CONFIG_RST | HDC1080_CONFIG_MODE | HDC1080_CONFIG_TRES_14 | HDC1080_CONFIG_HRES_14;
//soft reset
IIC_WriteReg(HDC1080_I2CADDR, HDC1080_CONFIG, (config>>8)&0x00FF);
DELAY_MS(15);
IIC_ReadData(HDC1080_I2CADDR, HDC1080_MANUFID, buf, 2);
data = (buf[0]<<8)+buf[1];
if(data!=0x5449)
return false;
IIC_ReadData(HDC1080_I2CADDR, HDC1080_DEVICEID, buf, 2);
data = (buf[0]<<8)+buf[1];
if(data!=0x1050)
return false;
Usart1_Send("HDC1080 initialize register finished.\r\n");
return true;
}
float HDC1080_Temperature(void)
{
float data;
uint8_t buf[2];
IIC_ReadData(HDC1080_I2CADDR, HDC1080_TEMPERATURE, buf, 2);
data=(buf[0]<<8)+buf[1];
data /= 65536;
data *= 165;
data -= 40;
return data;
}
float HDC1080_Humidity(void)
{
float data;
uint8_t buf[2];
IIC_ReadData(HDC1080_I2CADDR, HDC1080_HUMIDITY, buf, 2);
data=(buf[0]<<8)+buf[1];
data /= 65536;
data *= 100;
return data;
}

复制代码

Keil代码下载:

HDC1080.7z (183.2 KB, 下载次数: 44)

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基于STM32的HDC1080传感器程序

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