Add dps310 sensor support (#3704)

Co-authored-by: Greg Arnold <greg@arnoldassociates.com>
This commit is contained in:
Keith Burzinski 2022-08-18 14:49:35 -05:00 committed by GitHub
parent d546ef941f
commit fc15ddfa91
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6 changed files with 325 additions and 0 deletions

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@ -59,6 +59,7 @@ esphome/components/debug/* @OttoWinter
esphome/components/delonghi/* @grob6000
esphome/components/dfplayer/* @glmnet
esphome/components/dht/* @OttoWinter
esphome/components/dps310/* @kbx81
esphome/components/ds1307/* @badbadc0ffee
esphome/components/dsmr/* @glmnet @zuidwijk
esphome/components/ektf2232/* @jesserockz

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@ -0,0 +1,189 @@
#include "dps310.h"
#include "esphome/core/log.h"
#include "esphome/core/hal.h"
namespace esphome {
namespace dps310 {
static const char *const TAG = "dps310";
void DPS310Component::setup() {
uint8_t coef_data_raw[DPS310_NUM_COEF_REGS];
auto timer = DPS310_INIT_TIMEOUT;
uint8_t reg = 0;
ESP_LOGCONFIG(TAG, "Setting up DPS310...");
// first, reset the sensor
if (!this->write_byte(DPS310_REG_RESET, DPS310_CMD_RESET)) {
this->mark_failed();
return;
}
delay(10);
// wait for the sensor and its coefficients to be ready
while (timer-- && (!(reg & DPS310_BIT_SENSOR_RDY) || !(reg & DPS310_BIT_COEF_RDY))) {
reg = this->read_byte(DPS310_REG_MEAS_CFG).value_or(0);
delay(5);
}
if (!(reg & DPS310_BIT_SENSOR_RDY) || !(reg & DPS310_BIT_COEF_RDY)) { // the flags were not set in time
this->mark_failed();
return;
}
// read device ID
if (!this->read_byte(DPS310_REG_PROD_REV_ID, &this->prod_rev_id_)) {
this->mark_failed();
return;
}
// read in coefficients used to calculate the compensated pressure and temperature values
if (!this->read_bytes(DPS310_REG_COEF, coef_data_raw, DPS310_NUM_COEF_REGS)) {
this->mark_failed();
return;
}
// read in coefficients source register, too -- we need this a few lines down
if (!this->read_byte(DPS310_REG_TMP_COEF_SRC, &reg)) {
this->mark_failed();
return;
}
// set up operational stuff
if (!this->write_byte(DPS310_REG_PRS_CFG, DPS310_VAL_PRS_CFG)) {
this->mark_failed();
return;
}
if (!this->write_byte(DPS310_REG_TMP_CFG, DPS310_VAL_TMP_CFG | (reg & DPS310_BIT_TMP_COEF_SRC))) {
this->mark_failed();
return;
}
if (!this->write_byte(DPS310_REG_CFG, DPS310_VAL_REG_CFG)) {
this->mark_failed();
return;
}
if (!this->write_byte(DPS310_REG_MEAS_CFG, 0x07)) { // enable background mode
this->mark_failed();
return;
}
this->c0_ = // we only ever use c0/2, so just divide by 2 here to save time later
DPS310Component::twos_complement(
int16_t(((uint16_t) coef_data_raw[0] << 4) | (((uint16_t) coef_data_raw[1] >> 4) & 0x0F)), 12) /
2;
this->c1_ =
DPS310Component::twos_complement(int16_t((((uint16_t) coef_data_raw[1] & 0x0F) << 8) | coef_data_raw[2]), 12);
this->c00_ = ((uint32_t) coef_data_raw[3] << 12) | ((uint32_t) coef_data_raw[4] << 4) |
(((uint32_t) coef_data_raw[5] >> 4) & 0x0F);
this->c00_ = DPS310Component::twos_complement(c00_, 20);
this->c10_ =
(((uint32_t) coef_data_raw[5] & 0x0F) << 16) | ((uint32_t) coef_data_raw[6] << 8) | (uint32_t) coef_data_raw[7];
this->c10_ = DPS310Component::twos_complement(c10_, 20);
this->c01_ = int16_t(((uint16_t) coef_data_raw[8] << 8) | (uint16_t) coef_data_raw[9]);
this->c11_ = int16_t(((uint16_t) coef_data_raw[10] << 8) | (uint16_t) coef_data_raw[11]);
this->c20_ = int16_t(((uint16_t) coef_data_raw[12] << 8) | (uint16_t) coef_data_raw[13]);
this->c21_ = int16_t(((uint16_t) coef_data_raw[14] << 8) | (uint16_t) coef_data_raw[15]);
this->c30_ = int16_t(((uint16_t) coef_data_raw[16] << 8) | (uint16_t) coef_data_raw[17]);
}
void DPS310Component::dump_config() {
ESP_LOGCONFIG(TAG, "DPS310:");
ESP_LOGCONFIG(TAG, " Product ID: %u", this->prod_rev_id_ & 0x0F);
ESP_LOGCONFIG(TAG, " Revision ID: %u", (this->prod_rev_id_ >> 4) & 0x0F);
LOG_I2C_DEVICE(this);
if (this->is_failed()) {
ESP_LOGE(TAG, "Communication with DPS310 failed!");
}
LOG_UPDATE_INTERVAL(this);
LOG_SENSOR(" ", "Temperature", this->temperature_sensor_);
LOG_SENSOR(" ", "Pressure", this->pressure_sensor_);
}
float DPS310Component::get_setup_priority() const { return setup_priority::DATA; }
void DPS310Component::update() {
if (!this->update_in_progress_) {
this->update_in_progress_ = true;
this->read_();
}
}
void DPS310Component::read_() {
uint8_t reg = 0;
if (!this->read_byte(DPS310_REG_MEAS_CFG, &reg)) {
this->status_set_warning();
return;
}
if ((!this->got_pres_) && (reg & DPS310_BIT_PRS_RDY)) {
this->read_pressure_();
}
if ((!this->got_temp_) && (reg & DPS310_BIT_TMP_RDY)) {
this->read_temperature_();
}
if (this->got_pres_ && this->got_temp_) {
this->calculate_values_(this->raw_temperature_, this->raw_pressure_);
this->got_pres_ = false;
this->got_temp_ = false;
this->update_in_progress_ = false;
this->status_clear_warning();
} else {
auto f = std::bind(&DPS310Component::read_, this);
this->set_timeout("dps310", 10, f);
}
}
void DPS310Component::read_pressure_() {
uint8_t bytes[3];
if (!this->read_bytes(DPS310_REG_PRS_B2, bytes, 3)) {
this->status_set_warning();
return;
}
this->got_pres_ = true;
this->raw_pressure_ = DPS310Component::twos_complement(
int32_t((uint32_t(bytes[0]) << 16) | (uint32_t(bytes[1]) << 8) | (uint32_t(bytes[2]))), 24);
}
void DPS310Component::read_temperature_() {
uint8_t bytes[3];
if (!this->read_bytes(DPS310_REG_TMP_B2, bytes, 3)) {
this->status_set_warning();
return;
}
this->got_temp_ = true;
this->raw_temperature_ = DPS310Component::twos_complement(
int32_t((uint32_t(bytes[0]) << 16) | (uint32_t(bytes[1]) << 8) | (uint32_t(bytes[2]))), 24);
}
// Calculations are taken from the datasheet which can be found here:
// https://www.infineon.com/dgdl/Infineon-DPS310-DataSheet-v01_02-EN.pdf?fileId=5546d462576f34750157750826c42242
// Sections "How to Calculate Compensated Pressure Values" and "How to Calculate Compensated Temperature Values"
// Variable names below match variable names from the datasheet but lowercased
void DPS310Component::calculate_values_(int32_t raw_temperature, int32_t raw_pressure) {
const float t_raw_sc = (float) raw_temperature / DPS310_SCALE_FACTOR;
const float p_raw_sc = (float) raw_pressure / DPS310_SCALE_FACTOR;
const float temperature = t_raw_sc * this->c1_ + this->c0_; // c0/2 done earlier!
const float pressure = (this->c00_ + p_raw_sc * (this->c10_ + p_raw_sc * (this->c20_ + p_raw_sc * this->c30_)) +
t_raw_sc * this->c01_ + t_raw_sc * p_raw_sc * (this->c11_ + p_raw_sc * this->c21_)) /
100; // divide by 100 for hPa
if (this->temperature_sensor_ != nullptr) {
this->temperature_sensor_->publish_state(temperature);
}
if (this->pressure_sensor_ != nullptr) {
this->pressure_sensor_->publish_state(pressure);
}
}
int32_t DPS310Component::twos_complement(int32_t val, uint8_t bits) {
if (val & ((uint32_t) 1 << (bits - 1))) {
val -= (uint32_t) 1 << bits;
}
return val;
}
} // namespace dps310
} // namespace esphome

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@ -0,0 +1,65 @@
#pragma once
#include "esphome/core/component.h"
#include "esphome/components/sensor/sensor.h"
#include "esphome/components/i2c/i2c.h"
namespace esphome {
namespace dps310 {
static const uint8_t DPS310_REG_PRS_B2 = 0x00; // Highest byte of pressure data
static const uint8_t DPS310_REG_TMP_B2 = 0x03; // Highest byte of temperature data
static const uint8_t DPS310_REG_PRS_CFG = 0x06; // Pressure configuration
static const uint8_t DPS310_REG_TMP_CFG = 0x07; // Temperature configuration
static const uint8_t DPS310_REG_MEAS_CFG = 0x08; // Sensor configuration
static const uint8_t DPS310_REG_CFG = 0x09; // Interrupt/FIFO configuration
static const uint8_t DPS310_REG_RESET = 0x0C; // Soft reset
static const uint8_t DPS310_REG_PROD_REV_ID = 0x0D; // Register that contains the part ID
static const uint8_t DPS310_REG_COEF = 0x10; // Top of calibration coefficient data space
static const uint8_t DPS310_REG_TMP_COEF_SRC = 0x28; // Temperature calibration src
static const uint8_t DPS310_BIT_PRS_RDY = 0x10; // Pressure measurement is ready
static const uint8_t DPS310_BIT_TMP_RDY = 0x20; // Temperature measurement is ready
static const uint8_t DPS310_BIT_SENSOR_RDY = 0x40; // Sensor initialization complete when bit is set
static const uint8_t DPS310_BIT_COEF_RDY = 0x80; // Coefficients are available when bit is set
static const uint8_t DPS310_BIT_TMP_COEF_SRC = 0x80; // Temperature measurement source (0 = ASIC, 1 = MEMS element)
static const uint8_t DPS310_BIT_REQ_PRES = 0x01; // Set this bit to request pressure reading
static const uint8_t DPS310_BIT_REQ_TEMP = 0x02; // Set this bit to request temperature reading
static const uint8_t DPS310_CMD_RESET = 0x89; // What to write to reset the device
static const uint8_t DPS310_VAL_PRS_CFG = 0x01; // Value written to DPS310_REG_PRS_CFG at startup
static const uint8_t DPS310_VAL_TMP_CFG = 0x01; // Value written to DPS310_REG_TMP_CFG at startup
static const uint8_t DPS310_VAL_REG_CFG = 0x00; // Value written to DPS310_REG_CFG at startup
static const uint8_t DPS310_INIT_TIMEOUT = 20; // How long to wait for DPS310 start-up to complete
static const uint8_t DPS310_NUM_COEF_REGS = 18; // Number of coefficients we need to read from the device
static const int32_t DPS310_SCALE_FACTOR = 1572864; // Measurement compensation scale factor
class DPS310Component : public PollingComponent, public i2c::I2CDevice {
public:
void setup() override;
void dump_config() override;
float get_setup_priority() const override;
void update() override;
void set_temperature_sensor(sensor::Sensor *temperature_sensor) { temperature_sensor_ = temperature_sensor; }
void set_pressure_sensor(sensor::Sensor *pressure_sensor) { pressure_sensor_ = pressure_sensor; }
protected:
void read_();
void read_pressure_();
void read_temperature_();
void calculate_values_(int32_t raw_temperature, int32_t raw_pressure);
static int32_t twos_complement(int32_t val, uint8_t bits);
sensor::Sensor *temperature_sensor_;
sensor::Sensor *pressure_sensor_;
int32_t raw_pressure_, raw_temperature_, c00_, c10_;
int16_t c0_, c1_, c01_, c11_, c20_, c21_, c30_;
uint8_t prod_rev_id_;
bool got_pres_, got_temp_, update_in_progress_;
};
} // namespace dps310
} // namespace esphome

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@ -0,0 +1,62 @@
import esphome.codegen as cg
import esphome.config_validation as cv
from esphome.components import i2c, sensor
from esphome.const import (
CONF_ID,
CONF_PRESSURE,
CONF_TEMPERATURE,
DEVICE_CLASS_PRESSURE,
DEVICE_CLASS_TEMPERATURE,
STATE_CLASS_MEASUREMENT,
UNIT_CELSIUS,
ICON_GAUGE,
ICON_THERMOMETER,
UNIT_HECTOPASCAL,
)
CODEOWNERS = ["@kbx81"]
DEPENDENCIES = ["i2c"]
dps310_ns = cg.esphome_ns.namespace("dps310")
DPS310Component = dps310_ns.class_(
"DPS310Component", cg.PollingComponent, i2c.I2CDevice
)
CONFIG_SCHEMA = (
cv.Schema(
{
cv.GenerateID(): cv.declare_id(DPS310Component),
cv.Required(CONF_TEMPERATURE): sensor.sensor_schema(
unit_of_measurement=UNIT_CELSIUS,
icon=ICON_THERMOMETER,
accuracy_decimals=1,
device_class=DEVICE_CLASS_TEMPERATURE,
state_class=STATE_CLASS_MEASUREMENT,
),
cv.Required(CONF_PRESSURE): sensor.sensor_schema(
unit_of_measurement=UNIT_HECTOPASCAL,
icon=ICON_GAUGE,
accuracy_decimals=1,
device_class=DEVICE_CLASS_PRESSURE,
state_class=STATE_CLASS_MEASUREMENT,
),
}
)
.extend(cv.polling_component_schema("60s"))
.extend(i2c.i2c_device_schema(0x77))
)
async def to_code(config):
var = cg.new_Pvariable(config[CONF_ID])
await cg.register_component(var, config)
await i2c.register_i2c_device(var, config)
if CONF_TEMPERATURE in config:
sens = await sensor.new_sensor(config[CONF_TEMPERATURE])
cg.add(var.set_temperature_sensor(sens))
if CONF_PRESSURE in config:
sens = await sensor.new_sensor(config[CONF_PRESSURE])
cg.add(var.set_pressure_sensor(sens))

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@ -768,6 +768,14 @@ sensor:
temperature:
name: "MPU6886 Temperature"
i2c_id: i2c_bus
- platform: dps310
temperature:
name: "DPS310 Temperature"
pressure:
name: "DPS310 Pressure"
address: 0x77
update_interval: 15s
i2c_id: i2c_bus
- platform: ms5611
temperature:
name: "Outside Temperature"