226 lines
6 KiB
C
226 lines
6 KiB
C
/*
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sensor.h
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Author: pvvx
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*/
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#ifndef _SRC_SENSORS_H_
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#define _SRC_SENSORS_H_
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#include "config.h"
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#if (DEV_SERVICES & SERVICE_THS)
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#include "dev_i2c.h"
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// Timing
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#define SENSOR_POWER_TIMEOUT_ms 3
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#define SENSOR_RESET_TIMEOUT_ms 3
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#define SENSOR_MEASURING_TIMEOUT_ms 7
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#define CHT83xx_I2C_ADDR 0x40
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#define CHT83xx_REG_TMP 0x00
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#define CHT83xx_REG_HMD 0x01
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#define CHT83xx_REG_MID 0xfe
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#define CHT83xx_REG_VID 0xff
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#define CHT83xx_MID 0x5959
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/* CHT832x https://github.com/pvvx/pvvx.github.io/blob/master/THB2/CHT832X Advanced Datasheet Ver1.pdf */
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#define CHT832x_CMD_MID 0x3781 // Read Manufacturer ID
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#define CHT832x_MID_CRC 0x535959 // CRC, MID
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#define CHT832x_VID 0x2083 // VID
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#define CHT832x_CMD_OSM 0x2400 // start measure T/H (One-shot mode)
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/* CHT8310 https://github.com/pvvx/pvvx.github.io/blob/master/THB2/CHT8310 Advanced Datasheet Ver1.1 20230927.pdf */
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/* CHT8315 https://github.com/pvvx/pvvx.github.io/blob/master/THB2/CHT8315 Advanced Datasheet Ver1.6 20230927.pdf */
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// I2C addres
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#define CHT8215_I2C_ADDR0 0x40
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#define CHT8215_I2C_ADDR1 0x44
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#define CHT8215_I2C_ADDR2 0x48
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#define CHT8215_I2C_ADDR3 0x4C
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// Registers
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#define CHT8215_REG_TMP 0x00
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#define CHT8215_REG_HMD 0x01
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#define CHT8215_REG_STA 0x02
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#define CHT8215_REG_CFG 0x03
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#define CHT8215_REG_CRT 0x04
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#define CHT8215_REG_TLL 0x05
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#define CHT8215_REG_TLM 0x06
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#define CHT8215_REG_HLL 0x07
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#define CHT8215_REG_HLM 0x08
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#define CHT8215_REG_OST 0x0f
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#define CHT8215_REG_RST 0xfc
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#define CHT8215_REG_MID 0xfe
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#define CHT8215_REG_VID 0xff
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// Status register mask
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#define CHT8215_STA_BUSY 0x8000
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#define CHT8215_STA_THI 0x4000
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#define CHT8215_STA_TLO 0x2000
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#define CHT8215_STA_HHI 0x1000
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#define CHT8215_STA_HLO 0x0800
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// Config register mask
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#define CHT8215_CFG_MASK 0x8000
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#define CHT8215_CFG_SD 0x4000
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#define CHT8215_CFG_ALTH 0x2000
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#define CHT8215_CFG_EM 0x1000
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#define CHT8215_CFG_EHT 0x0100
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#define CHT8215_CFG_TME 0x0080
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#define CHT8215_CFG_POL 0x0020
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#define CHT8215_CFG_ALT 0x0018
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#define CHT8215_CFG_CONSEC_FQ 0x0006
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#define CHT8215_CFG_ATM 0x0001
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#define CHT8315_MID 0x5959
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#define CHT8215_VID 0x1582
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/* CHT8305 https://github.com/pvvx/pvvx.github.io/blob/master/THB2/CHT8305C Advanced Datasheet Ver2.5 2021-10-26.pdf */
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// I2C addres
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#define CHT8305_I2C_ADDR0 0x40
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#define CHT8305_I2C_ADDR1 0x41
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#define CHT8305_I2C_ADDR2 0x42
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#define CHT8305_I2C_ADDR3 0x43
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#define CHT8305_I2C_ADDR_MAX 0x43
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// Registers
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#define CHT8305_REG_TMP 0x00
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#define CHT8305_REG_HMD 0x01
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#define CHT8305_REG_CFG 0x02
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#define CHT8305_REG_ALR 0x03
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#define CHT8305_REG_VLT 0x04
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#define CHT8305_REG_MID 0xfe
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#define CHT8305_REG_VID 0xff
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// Config register mask
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#define CHT8305_CFG_SOFT_RESET 0x8000
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#define CHT8305_CFG_CLOCK_STRETCH 0x4000
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#define CHT8305_CFG_HEATER 0x2000
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#define CHT8305_CFG_MODE 0x1000
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#define CHT8305_CFG_VCCS 0x0800
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#define CHT8305_CFG_TEMP_RES 0x0400
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#define CHT8305_CFG_HUMI_RES 0x0300
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#define CHT8305_CFG_ALERT_MODE 0x00C0
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#define CHT8305_CFG_ALERT_PENDING 0x0020
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#define CHT8305_CFG_ALERT_HUMI 0x0010
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#define CHT8305_CFG_ALERT_TEMP 0x0008
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#define CHT8305_CFG_VCC_ENABLE 0x0004
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#define CHT8305_CFG_RESERVED 0x0003
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/*
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struct __attribute__((packed)) _cht8305_config_t{
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uint16_t reserved : 2;
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uint16_t vccen : 1;
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uint16_t talt : 1;
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uint16_t halt : 1;
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uint16_t aps : 1;
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uint16_t altm : 2;
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uint16_t h_res : 2;
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uint16_t t_res : 1;
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uint16_t vccs : 1;
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uint16_t mode : 1;
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uint16_t heater : 1;
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uint16_t clkstr : 1;
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uint16_t srst : 1;
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} cht8305_config_t;
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*/
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#define CHT8305_MID 0x5959
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#define CHT8305_VID 0x0583
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/*---------------------------------------
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Датчик влажности AHT25
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---------------------------------------*/
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#define AHT2x_I2C_ADDR 0x38
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#define AHT2x_CMD_INI 0x0E1 // Initialization Command
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#define AHT2x_CMD_TMS 0x0AC // Trigger Measurement Command
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#define AHT2x_DATA_TMS 0x3300 // Trigger Measurement data
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#define AHT2x_CMD_RST 0x0BA // Soft Reset Command
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#define AHT2x_DATA_LPWR 0x0800 // go into low power mode
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enum {
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TH_SENSOR_NONE = 0,
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TH_SENSOR_SHTC3, // 1
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TH_SENSOR_SHT4x, // 2
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TH_SENSOR_SHT30, // 3
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TH_SENSOR_CHT8305, // 4
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TH_SENSOR_AHT2x, // 5
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TH_SENSOR_CHT8215, // 6
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TH_SENSOR_CHT832x, // 6
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TH_SENSOR_TYPE_MAX // 7
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}; // TH_SENSOR_TYPES
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typedef struct __attribute__((packed)) _measured_flg_t {
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uint8_t pin_input : 1; // GPIO_INP input pin
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uint8_t trg_output : 1; // GPIO_TRG pin output value
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uint8_t comfort : 1; // Temperature or Humidity comfort
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uint8_t trg_on : 1; // Temperature or Humidity trigger on
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uint8_t temp_trg_on : 1; // Temperature trigger on
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uint8_t humi_trg_on : 1; // Humidity trigger on
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} measured_flg_t;
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typedef struct _measured_data_t {
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uint16_t count;
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int16_t temp; // x 0.01 C
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int16_t humi; // x 0.01 %
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uint16_t battery_mv; // mV
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uint8_t battery; // 0..100 %
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measured_flg_t flg;
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} measured_data_t;
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#define send_len_measured_data 10
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extern measured_data_t measured_data;
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typedef struct _thsensor_coef_t {
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uint32_t temp_k;
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uint32_t humi_k;
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int16_t temp_z;
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int16_t humi_z;
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} thsensor_coef_t; // [12]
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typedef struct _thsensor_def_cfg_t {
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thsensor_coef_t coef;
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// uint32_t measure_timeout;
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uint8_t sensor_type; // TH_SENSOR_TYPES
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} thsensor_def_cfg_t;
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typedef int (*psernsor_rd_t)(pdev_i2c_t pi2c_dev);
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//typedef void (*psernsor_sm_t)(void);
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typedef struct _thsensor_cfg_t {
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thsensor_coef_t coef;
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uint16_t mid;
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uint16_t vid;
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uint8_t i2c_addr;
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uint8_t sensor_type; // TH_SENSOR_TYPES
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psernsor_rd_t read_sensor;
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// psernsor_sm_t start_measure;
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} thsensor_cfg_t;
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extern thsensor_cfg_t thsensor_cfg;
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#define thsensor_cfg_send_size 19
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void init_sensor(void);
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void start_measure(void);
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int read_sensors(void);
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#else // (DEV_SERVICES & SERVICE_THS)
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typedef struct _measured_data_t {
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uint16_t count;
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// int16_t temp; // x 0.01 C
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// int16_t humi; // x 0.01 %
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uint16_t battery_mv; // mV
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uint8_t battery; // 0..100 %
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} measured_data_t;
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extern measured_data_t measured_data;
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#endif // (DEV_SERVICES & SERVICE_THS)
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#endif // _SRC_SENSORS_H_
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