ens160_i2c_regs.h

00001 #include "mbed.h"
00002 #include <stdint.h>
00003 
00004 #define SFE_ENS160_PART_ID    0x00
00005 
00006 typedef struct
00007 {
00008     uint8_t part_id_msb : 8; // Value = 0x01
00009     uint8_t part_id_lsb : 8; // Value = 0x60
00010 }   sfe_ens160_part_id_t;
00011 
00012 #define SFE_ENS160_OP_MODE    0x10
00013 // Possible Operating Mode defines:
00014 #define SFE_ENS160_DEEP_SLEEP 0x00
00015 #define SFE_ENS160_IDLE       0x01
00016 #define SFE_ENS160_STANDARD   0x02
00017 #define SFE_ENS160_RESET      0xF0
00018 typedef struct
00019 {
00020     uint8_t op_mode : 8;
00021 }   sfe_ens160_op_mode_t;
00022 
00023 #define SFE_ENS160_CONFIG          0x11
00024 typedef struct
00025 {
00026     uint8_t reserved_three :  1;
00027     uint8_t int_pol        :  1;
00028     uint8_t int_cfg        :  1;
00029     uint8_t reserved_two   :  1;
00030     uint8_t int_gpr        :  1;
00031     uint8_t reserved_one   :  1;
00032     uint8_t int_dat        :  1;
00033     uint8_t int_en         :  1;
00034 }   sfe_ens160_config_t;
00035 
00036 #define SFE_ENS160_COMMAND                          0x12
00037 // All commands must be issued when device is idle. 
00038 #define SFE_ENS160_COMMAND_NOP                0x00
00039 // Get Firwmware App Version - version is placed in General Purpose Read Registers as follows:
00040 // GPR_READ04 - Version (Major)
00041 // GPR_READ05 - Version (Minor)
00042 // GPR_READ06 - Version (Release)
00043 #define SFE_ENS160_COMMAND_GET_APPVER   0x0E
00044 // Clear General Purpose Read Register
00045 #define SFE_ENS160_COMMAND_CLRGPR       0xCC
00046 typedef struct
00047 {
00048     uint8_t command : 8;    
00049 }   sfe_ens160_command_t;
00050 
00051 #define SFE_ENS160_TEMP_IN         0x13
00052 // Temperature compensation can be given to the sensor for more accurate
00053 // readings. 
00054 // Temperature should be given in Kelvin in the following format:
00055 // Value: Temperature in Kelvin * 64 
00056 // Converting Celsius to Kelvin = Temp + 273.15
00057 // Ergo: (Temp + 273.15) * 64
00058 typedef struct
00059 {
00060     uint8_t temp_in_msb : 8;    //0x14 -- Integer Part
00061     uint8_t temp_in_lsb : 8;    //0x13 -- Fractions Part
00062 }   sfe_ens160_temp_in_t;
00063 
00064 #define SFE_ENS160_RH_IN           0x15
00065 // Relative Humidity compensation can be given to the sensor for more accurate
00066 // readings. 
00067 // RH should be given in %rH * 512
00068 typedef struct
00069 {
00070     uint8_t rh_in_msb   : 8; //0x16 -- Integer Part
00071     uint8_t rh_in_lsb   : 8; //0x15 -- Fraction Part
00072 }   sfe_ens160_rh_in_t;
00073 
00074 #define SFE_ENS160_DEVICE_STATUS   0x20
00075 typedef struct
00076 {
00077     uint8_t stat_as       :  1;
00078     uint8_t stat_er       :  1;
00079     uint8_t reserved_two  :  1;
00080     uint8_t reserved_one  :  1;
00081     uint8_t validity_flag :  2;
00082     uint8_t new_dat             :  1;
00083     uint8_t new_gpr       :  1;
00084 }   sfe_ens160_device_status_t;
00085 
00086 #define SFE_ENS160_DATA_AQI        0x21
00087 typedef struct
00088 {
00089     uint8_t reserved_one :  6;
00090     uint8_t aqi_uba      :  2;
00091 }   sfe_ens160_data_aqi_t;
00092 
00093 #define SFE_ENS160_DATA_TVOC       0x22
00094 // TVOC Data - shares register with ethanol data
00095 typedef struct
00096 {
00097     uint8_t tvoc_msb : 8;
00098     uint8_t tvoc_lsb : 8;
00099 }   sfe_ens160_data_tvoc_t;
00100 
00101 #define SFE_ENS160_DATA_ETOH       0x22
00102 // Ethanol Data - shares register with TVOC data
00103 typedef struct
00104 {
00105     uint8_t etoh_msb : 8;
00106     uint8_t etoh_lsb : 8;
00107 }   sfe_ens160_data_etho_t;
00108 
00109 #define SFE_ENS160_DATA_ECO2       0x24
00110 // CO2 Data
00111 typedef struct
00112 {
00113     uint8_t eco2_msb : 8;
00114     uint8_t eco2_lsb : 8;
00115 }   sfe_ens160_data_eco2_t;
00116 
00117 #define SFE_ENS160_DATA_T          0x30
00118 // Reports the temperature data given to TEMP_IN in the following manner:
00119 // Temperature in Kelvin: Register Value / 64
00120 // Converting Kelvin to Celsius =  Temperature in Kelvin - 273.15
00121 // Ergo: (Register Value / 64) - 273.15
00122 typedef struct
00123 {
00124     uint8_t data_t_msb : 8; // Fractions -- 0x31
00125     uint8_t data_t_lsb : 8; // Integer -- 0x30
00126 }   sfe_ens160_data_t_t;
00127 
00128 #define SFE_ENS160_DATA_RH         0x32
00129 // Reports the Relative Humidity compensation given to RH_IN in the following manner
00130 // RH = Register Value / 512
00131 typedef struct
00132 {
00133     uint8_t data_rh_msb : 8; // Fractions -- 0x33
00134     uint8_t data_rh_lsb : 8; // Integer -- 0x32
00135 }   sfe_ens160_data_rh_t;
00136 
00137 #define SFE_ENS160_DATA_MISR       0x38
00138 #define POLY 0x1D
00139 // Gives calculated checksum of "DATA_" registers
00140 typedef struct
00141 {
00142     uint8_t data_misr : 8;
00143 }   sfe_ens160_data_misr_t;
00144 
00145 // General Purpose Write registers
00146 #define SFE_ENS160_GPR_WRITE0      0x40
00147 #define SFE_ENS160_GPR_WRITE1      0x41
00148 #define SFE_ENS160_GPR_WRITE2      0x42
00149 #define SFE_ENS160_GPR_WRITE3      0x43
00150 #define SFE_ENS160_GPR_WRITE4      0x44
00151 #define SFE_ENS160_GPR_WRITE5      0x45
00152 #define SFE_ENS160_GPR_WRITE6      0x46
00153 #define SFE_ENS160_GPR_WRITE7      0x47
00154 
00155 // General Purpose Read registers
00156 #define SFE_ENS160_GPR_READ0       0x48
00157 #define SFE_ENS160_GPR_READ1       0x49
00158 #define SFE_ENS160_GPR_READ2       0x4A
00159 #define SFE_ENS160_GPR_READ3       0x4B
00160 #define SFE_ENS160_GPR_READ4       0x4C
00161 #define SFE_ENS160_GPR_READ5       0x4D
00162 #define SFE_ENS160_GPR_READ6       0x4E
00163 #define SFE_ENS160_GPR_READ7       0x4F