Register definitions for ST HTS221 devices. More...

Detailed Description

Register definitions for ST HTS221 devices.

Author
Sebastian Meiling s@mln.nosp@m.g.ne.nosp@m.t

Definition in file hts221_regs.h.

#include "board.h"
#include "hts221.h"
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Go to the source code of this file.

Macros

#define HTS221_REGS_AVGT_SHIFT   (3U)
 Shift for AVG oftemperature configuration set in HTS221_REGS_AV_CONF. More...
 
#define HTS221_DEVICE_ID   (0xBC)
 
Register Map
#define HTS221_REGS_WHO_AM_I   (0x0F)
 
#define HTS221_REGS_AV_CONF   (0x10)
 
#define HTS221_REGS_CTRL_REG1   (0x20)
 
#define HTS221_REGS_CTRL_REG2   (0x21)
 
#define HTS221_REGS_CTRL_REG3   (0x22)
 data ready output signal
 
#define HTS221_REGS_STATUS_REG   (0x27)
 
#define HTS221_REGS_HUMIDITY_OUT_L   (0x28)
 
#define HTS221_REGS_HUMIDITY_OUT_H   (0x29)
 
#define HTS221_REGS_TEMP_OUT_L   (0x2A)
 
#define HTS221_REGS_TEMP_OUT_H   (0x2B)
 
Calibration Register Map
#define HTS221_REGS_H0_RH_X2   (0x30)
 
#define HTS221_REGS_H1_RH_X2   (0x31)
 
#define HTS221_REGS_T0_DEGC_X8   (0x32)
 
#define HTS221_REGS_T1_DEGC_X8   (0x33)
 
#define HTS221_REGS_T1_T0_MSB   (0x35)
 
#define HTS221_REGS_H0_T0_OUT_L   (0x36)
 
#define HTS221_REGS_H0_T0_OUT_H   (0x37)
 
#define HTS221_REGS_H1_T0_OUT_L   (0x3A)
 
#define HTS221_REGS_H1_T0_OUT_H   (0x3B)
 
#define HTS221_REGS_T0_OUT_L   (0x3C)
 
#define HTS221_REGS_T0_OUT_H   (0x3D)
 
#define HTS221_REGS_T1_OUT_L   (0x3E)
 
#define HTS221_REGS_T1_OUT_H   (0x3F)
 
Config bits of HTS221_REGS_CTRL_REG1
#define HTS221_REGS_CTRL_REG1_PD_ACTIVE   (1 << 7)
 power-down control, set active mode
 
#define HTS221_REGS_CTRL_REG1_BDU   (1 << 2)
 Block data update.
 
Config bits of HTS221_REGS_CTRL_REG2
#define HTS221_REGS_CTRL_REG2_BOOT   (1 << 7)
 Reboot memory content.
 
#define HTS221_REGS_CTRL_REG2_HEATER   (1 << 1)
 Heater ON.
 
#define HTS221_REGS_CTRL_REG2_OS_EN   (1 << 2)
 One-shot enable, start new dataset.
 
Data ready config bits of HTS221_REGS_CTRL_REG3
#define HTS221_REGS_CTRL_REG3_DRDY_HL   (1 << 7)
 Data Ready output signal active high, low.
 
#define HTS221_REGS_CTRL_REG3_PP_OD   (1 << 6)
 Push-pull / Open Drain selection on pin 3.
 
#define HTS221_REGS_CTRL_REG3_DRDY_EN   (1 << 2)
 Data Ready enable.
 
Status bits to check data availability, HTS221_REGS_STATUS_REG[1:0]
#define HTS221_REGS_STATUS_REG_TDA   (1 << 0)
 temperature data available
 
#define HTS221_REGS_STATUS_REG_HDA   (1 << 1)
 humidity data available
 

Enumerations

enum  { HTS221_REGS_CTRL_REG1_ODR_ONE_SHOT = 0, HTS221_REGS_CTRL_REG1_ODR_1HZ, HTS221_REGS_CTRL_REG1_ODR_7HZ, HTS221_REGS_CTRL_REG1_ODR_12HZ }
 Output data rate settings, HTS221_REGS_CTRL_REG1[1:0].
 
Humidity average over number of samples 4 to 512
enum  {
  HTS221_REGS_AVGH_4 = 0, HTS221_REGS_AVGH_8, HTS221_REGS_AVGH_16, HTS221_REGS_AVGH_32,
  HTS221_REGS_AVGH_64, HTS221_REGS_AVGH_128, HTS221_REGS_AVGH_256, HTS221_REGS_AVGH_512
}
 
Temperature average over number of samples 2 to 256
enum  {
  HTS221_REGS_AVGT_2 = 0, HTS221_REGS_AVGT_4, HTS221_REGS_AVGT_8, HTS221_REGS_AVGT_16,
  HTS221_REGS_AVGT_32, HTS221_REGS_AVGT_64, HTS221_REGS_AVGT_128, HTS221_REGS_AVGT_256
}
 

Macro Definition Documentation

◆ HTS221_REGS_AVGT_SHIFT

#define HTS221_REGS_AVGT_SHIFT   (3U)

Shift for AVG oftemperature configuration set in HTS221_REGS_AV_CONF.

Register HTS221_REGS_AV_CONF= [7:6] reserved, [5:3] AVGT2-0, [2:0] AVGH2-0

Definition at line 70 of file hts221_regs.h.