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mirror of https://github.com/esphome/esphome.git synced 2026-02-08 00:31:58 +00:00

[bmp581] Split into bmp581_base and bmp581_i2c (#12485)

Co-authored-by: Keith Burzinski <kbx81x@gmail.com>
This commit is contained in:
Daniel Kent
2026-01-23 20:28:14 -05:00
committed by GitHub
parent faea546a0e
commit 9fddd0659e
13 changed files with 246 additions and 189 deletions

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@@ -88,7 +88,8 @@ esphome/components/bmp3xx/* @latonita
esphome/components/bmp3xx_base/* @latonita @martgras
esphome/components/bmp3xx_i2c/* @latonita
esphome/components/bmp3xx_spi/* @latonita
esphome/components/bmp581/* @kahrendt
esphome/components/bmp581_base/* @danielkent-net @kahrendt
esphome/components/bmp581_i2c/* @danielkent-net @kahrendt
esphome/components/bp1658cj/* @Cossid
esphome/components/bp5758d/* @Cossid
esphome/components/bthome_mithermometer/* @nagyrobi

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@@ -1,164 +1,5 @@
import math
import esphome.codegen as cg
from esphome.components import i2c, sensor
import esphome.config_validation as cv
from esphome.const import (
CONF_ID,
CONF_IIR_FILTER,
CONF_OVERSAMPLING,
CONF_PRESSURE,
CONF_TEMPERATURE,
DEVICE_CLASS_ATMOSPHERIC_PRESSURE,
DEVICE_CLASS_TEMPERATURE,
STATE_CLASS_MEASUREMENT,
UNIT_CELSIUS,
UNIT_PASCAL,
CONFIG_SCHEMA = cv.invalid(
"The bmp581 sensor component has been renamed to bmp581_i2c."
)
CODEOWNERS = ["@kahrendt"]
DEPENDENCIES = ["i2c"]
bmp581_ns = cg.esphome_ns.namespace("bmp581")
Oversampling = bmp581_ns.enum("Oversampling")
OVERSAMPLING_OPTIONS = {
"NONE": Oversampling.OVERSAMPLING_NONE,
"2X": Oversampling.OVERSAMPLING_X2,
"4X": Oversampling.OVERSAMPLING_X4,
"8X": Oversampling.OVERSAMPLING_X8,
"16X": Oversampling.OVERSAMPLING_X16,
"32X": Oversampling.OVERSAMPLING_X32,
"64X": Oversampling.OVERSAMPLING_X64,
"128X": Oversampling.OVERSAMPLING_X128,
}
IIRFilter = bmp581_ns.enum("IIRFilter")
IIR_FILTER_OPTIONS = {
"OFF": IIRFilter.IIR_FILTER_OFF,
"2X": IIRFilter.IIR_FILTER_2,
"4X": IIRFilter.IIR_FILTER_4,
"8X": IIRFilter.IIR_FILTER_8,
"16X": IIRFilter.IIR_FILTER_16,
"32X": IIRFilter.IIR_FILTER_32,
"64X": IIRFilter.IIR_FILTER_64,
"128X": IIRFilter.IIR_FILTER_128,
}
BMP581Component = bmp581_ns.class_(
"BMP581Component", cg.PollingComponent, i2c.I2CDevice
)
def compute_measurement_conversion_time(config):
# - adds up sensor conversion time based on temperature and pressure oversampling rates given in datasheet
# - returns a rounded up time in ms
# Page 12 of datasheet
PRESSURE_OVERSAMPLING_CONVERSION_TIMES = {
"NONE": 1.0,
"2X": 1.7,
"4X": 2.9,
"8X": 5.4,
"16X": 10.4,
"32X": 20.4,
"64X": 40.4,
"128X": 80.4,
}
# Page 12 of datasheet
TEMPERATURE_OVERSAMPLING_CONVERSION_TIMES = {
"NONE": 1.0,
"2X": 1.1,
"4X": 1.5,
"8X": 2.1,
"16X": 3.3,
"32X": 5.8,
"64X": 10.8,
"128X": 20.8,
}
pressure_conversion_time = (
0.0 # No conversion time necessary without a pressure sensor
)
if pressure_config := config.get(CONF_PRESSURE):
pressure_conversion_time = PRESSURE_OVERSAMPLING_CONVERSION_TIMES[
pressure_config.get(CONF_OVERSAMPLING)
]
temperature_conversion_time = (
1.0 # BMP581 always samples the temperature even if only reading pressure
)
if temperature_config := config.get(CONF_TEMPERATURE):
temperature_conversion_time = TEMPERATURE_OVERSAMPLING_CONVERSION_TIMES[
temperature_config.get(CONF_OVERSAMPLING)
]
# Datasheet indicates a 5% possible error in each conversion time listed
return math.ceil(1.05 * (pressure_conversion_time + temperature_conversion_time))
CONFIG_SCHEMA = (
cv.Schema(
{
cv.GenerateID(): cv.declare_id(BMP581Component),
cv.Optional(CONF_TEMPERATURE): sensor.sensor_schema(
unit_of_measurement=UNIT_CELSIUS,
accuracy_decimals=1,
device_class=DEVICE_CLASS_TEMPERATURE,
state_class=STATE_CLASS_MEASUREMENT,
).extend(
{
cv.Optional(CONF_OVERSAMPLING, default="NONE"): cv.enum(
OVERSAMPLING_OPTIONS, upper=True
),
cv.Optional(CONF_IIR_FILTER, default="OFF"): cv.enum(
IIR_FILTER_OPTIONS, upper=True
),
}
),
cv.Optional(CONF_PRESSURE): sensor.sensor_schema(
unit_of_measurement=UNIT_PASCAL,
accuracy_decimals=0,
device_class=DEVICE_CLASS_ATMOSPHERIC_PRESSURE,
state_class=STATE_CLASS_MEASUREMENT,
).extend(
{
cv.Optional(CONF_OVERSAMPLING, default="16X"): cv.enum(
OVERSAMPLING_OPTIONS, upper=True
),
cv.Optional(CONF_IIR_FILTER, default="OFF"): cv.enum(
IIR_FILTER_OPTIONS, upper=True
),
}
),
}
)
.extend(cv.polling_component_schema("60s"))
.extend(i2c.i2c_device_schema(0x46))
)
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 temperature_config := config.get(CONF_TEMPERATURE):
sens = await sensor.new_sensor(temperature_config)
cg.add(var.set_temperature_sensor(sens))
cg.add(
var.set_temperature_oversampling_config(
temperature_config[CONF_OVERSAMPLING]
)
)
cg.add(
var.set_temperature_iir_filter_config(temperature_config[CONF_IIR_FILTER])
)
if pressure_config := config.get(CONF_PRESSURE):
sens = await sensor.new_sensor(pressure_config)
cg.add(var.set_pressure_sensor(sens))
cg.add(var.set_pressure_oversampling_config(pressure_config[CONF_OVERSAMPLING]))
cg.add(var.set_pressure_iir_filter_config(pressure_config[CONF_IIR_FILTER]))
cg.add(var.set_conversion_time(compute_measurement_conversion_time(config)))

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@@ -0,0 +1,157 @@
import math
import esphome.codegen as cg
from esphome.components import sensor
import esphome.config_validation as cv
from esphome.const import (
CONF_ID,
CONF_IIR_FILTER,
CONF_OVERSAMPLING,
CONF_PRESSURE,
CONF_TEMPERATURE,
DEVICE_CLASS_ATMOSPHERIC_PRESSURE,
DEVICE_CLASS_TEMPERATURE,
STATE_CLASS_MEASUREMENT,
UNIT_CELSIUS,
UNIT_PASCAL,
)
CODEOWNERS = ["@kahrendt", "@danielkent-net"]
bmp581_ns = cg.esphome_ns.namespace("bmp581_base")
Oversampling = bmp581_ns.enum("Oversampling")
OVERSAMPLING_OPTIONS = {
"NONE": Oversampling.OVERSAMPLING_NONE,
"2X": Oversampling.OVERSAMPLING_X2,
"4X": Oversampling.OVERSAMPLING_X4,
"8X": Oversampling.OVERSAMPLING_X8,
"16X": Oversampling.OVERSAMPLING_X16,
"32X": Oversampling.OVERSAMPLING_X32,
"64X": Oversampling.OVERSAMPLING_X64,
"128X": Oversampling.OVERSAMPLING_X128,
}
IIRFilter = bmp581_ns.enum("IIRFilter")
IIR_FILTER_OPTIONS = {
"OFF": IIRFilter.IIR_FILTER_OFF,
"2X": IIRFilter.IIR_FILTER_2,
"4X": IIRFilter.IIR_FILTER_4,
"8X": IIRFilter.IIR_FILTER_8,
"16X": IIRFilter.IIR_FILTER_16,
"32X": IIRFilter.IIR_FILTER_32,
"64X": IIRFilter.IIR_FILTER_64,
"128X": IIRFilter.IIR_FILTER_128,
}
BMP581Component = bmp581_ns.class_("BMP581Component", cg.PollingComponent)
def compute_measurement_conversion_time(config):
# - adds up sensor conversion time based on temperature and pressure oversampling rates given in datasheet
# - returns a rounded up time in ms
# Page 12 of datasheet
PRESSURE_OVERSAMPLING_CONVERSION_TIMES = {
"NONE": 1.0,
"2X": 1.7,
"4X": 2.9,
"8X": 5.4,
"16X": 10.4,
"32X": 20.4,
"64X": 40.4,
"128X": 80.4,
}
# Page 12 of datasheet
TEMPERATURE_OVERSAMPLING_CONVERSION_TIMES = {
"NONE": 1.0,
"2X": 1.1,
"4X": 1.5,
"8X": 2.1,
"16X": 3.3,
"32X": 5.8,
"64X": 10.8,
"128X": 20.8,
}
pressure_conversion_time = (
0.0 # No conversion time necessary without a pressure sensor
)
if pressure_config := config.get(CONF_PRESSURE):
pressure_conversion_time = PRESSURE_OVERSAMPLING_CONVERSION_TIMES[
pressure_config.get(CONF_OVERSAMPLING)
]
temperature_conversion_time = (
1.0 # BMP581 always samples the temperature even if only reading pressure
)
if temperature_config := config.get(CONF_TEMPERATURE):
temperature_conversion_time = TEMPERATURE_OVERSAMPLING_CONVERSION_TIMES[
temperature_config.get(CONF_OVERSAMPLING)
]
# Datasheet indicates a 5% possible error in each conversion time listed
return math.ceil(1.05 * (pressure_conversion_time + temperature_conversion_time))
CONFIG_SCHEMA_BASE = cv.Schema(
{
cv.GenerateID(): cv.declare_id(BMP581Component),
cv.Optional(CONF_TEMPERATURE): sensor.sensor_schema(
unit_of_measurement=UNIT_CELSIUS,
accuracy_decimals=1,
device_class=DEVICE_CLASS_TEMPERATURE,
state_class=STATE_CLASS_MEASUREMENT,
).extend(
{
cv.Optional(CONF_OVERSAMPLING, default="NONE"): cv.enum(
OVERSAMPLING_OPTIONS, upper=True
),
cv.Optional(CONF_IIR_FILTER, default="OFF"): cv.enum(
IIR_FILTER_OPTIONS, upper=True
),
}
),
cv.Optional(CONF_PRESSURE): sensor.sensor_schema(
unit_of_measurement=UNIT_PASCAL,
accuracy_decimals=0,
device_class=DEVICE_CLASS_ATMOSPHERIC_PRESSURE,
state_class=STATE_CLASS_MEASUREMENT,
).extend(
{
cv.Optional(CONF_OVERSAMPLING, default="16X"): cv.enum(
OVERSAMPLING_OPTIONS, upper=True
),
cv.Optional(CONF_IIR_FILTER, default="OFF"): cv.enum(
IIR_FILTER_OPTIONS, upper=True
),
}
),
}
).extend(cv.polling_component_schema("60s"))
async def to_code_base(config):
var = cg.new_Pvariable(config[CONF_ID])
await cg.register_component(var, config)
if temperature_config := config.get(CONF_TEMPERATURE):
sens = await sensor.new_sensor(temperature_config)
cg.add(var.set_temperature_sensor(sens))
cg.add(
var.set_temperature_oversampling_config(
temperature_config[CONF_OVERSAMPLING]
)
)
cg.add(
var.set_temperature_iir_filter_config(temperature_config[CONF_IIR_FILTER])
)
if pressure_config := config.get(CONF_PRESSURE):
sens = await sensor.new_sensor(pressure_config)
cg.add(var.set_pressure_sensor(sens))
cg.add(var.set_pressure_oversampling_config(pressure_config[CONF_OVERSAMPLING]))
cg.add(var.set_pressure_iir_filter_config(pressure_config[CONF_IIR_FILTER]))
cg.add(var.set_conversion_time(compute_measurement_conversion_time(config)))
return var

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@@ -10,12 +10,11 @@
* - All datasheet page references refer to Bosch Document Number BST-BMP581-DS004-04 (revision number 1.4)
*/
#include "bmp581.h"
#include "bmp581_base.h"
#include "esphome/core/log.h"
#include "esphome/core/hal.h"
namespace esphome {
namespace bmp581 {
namespace esphome::bmp581_base {
static const char *const TAG = "bmp581";
@@ -91,7 +90,6 @@ void BMP581Component::dump_config() {
break;
}
LOG_I2C_DEVICE(this);
LOG_UPDATE_INTERVAL(this);
ESP_LOGCONFIG(TAG, " Measurement conversion time: %ums", this->conversion_time_);
@@ -149,7 +147,7 @@ void BMP581Component::setup() {
uint8_t chip_id;
// read chip id from sensor
if (!this->read_byte(BMP581_CHIP_ID, &chip_id)) {
if (!this->bmp_read_byte(BMP581_CHIP_ID, &chip_id)) {
ESP_LOGE(TAG, "Read chip ID failed");
this->error_code_ = ERROR_COMMUNICATION_FAILED;
@@ -172,7 +170,7 @@ void BMP581Component::setup() {
// 3) Verify sensor status (check if NVM is okay) //
////////////////////////////////////////////////////
if (!this->read_byte(BMP581_STATUS, &this->status_.reg)) {
if (!this->bmp_read_byte(BMP581_STATUS, &this->status_.reg)) {
ESP_LOGE(TAG, "Failed to read status register");
this->error_code_ = ERROR_COMMUNICATION_FAILED;
@@ -359,7 +357,7 @@ bool BMP581Component::check_data_readiness_() {
uint8_t status;
if (!this->read_byte(BMP581_INT_STATUS, &status)) {
if (!this->bmp_read_byte(BMP581_INT_STATUS, &status)) {
ESP_LOGE(TAG, "Failed to read interrupt status register");
return false;
}
@@ -400,7 +398,7 @@ bool BMP581Component::prime_iir_filter_() {
// flush the IIR filter with forced measurements (we will only flush once)
this->dsp_config_.bit.iir_flush_forced_en = true;
if (!this->write_byte(BMP581_DSP, this->dsp_config_.reg)) {
if (!this->bmp_write_byte(BMP581_DSP, this->dsp_config_.reg)) {
ESP_LOGE(TAG, "Failed to write IIR source register");
return false;
@@ -430,7 +428,7 @@ bool BMP581Component::prime_iir_filter_() {
// disable IIR filter flushings on future forced measurements
this->dsp_config_.bit.iir_flush_forced_en = false;
if (!this->write_byte(BMP581_DSP, this->dsp_config_.reg)) {
if (!this->bmp_write_byte(BMP581_DSP, this->dsp_config_.reg)) {
ESP_LOGE(TAG, "Failed to write IIR source register");
return false;
@@ -454,7 +452,7 @@ bool BMP581Component::read_temperature_(float &temperature) {
}
uint8_t data[3];
if (!this->read_bytes(BMP581_MEASUREMENT_DATA, &data[0], 3)) {
if (!this->bmp_read_bytes(BMP581_MEASUREMENT_DATA, &data[0], 3)) {
ESP_LOGW(TAG, "Failed to read measurement");
this->status_set_warning();
@@ -483,7 +481,7 @@ bool BMP581Component::read_temperature_and_pressure_(float &temperature, float &
}
uint8_t data[6];
if (!this->read_bytes(BMP581_MEASUREMENT_DATA, &data[0], 6)) {
if (!this->bmp_read_bytes(BMP581_MEASUREMENT_DATA, &data[0], 6)) {
ESP_LOGW(TAG, "Failed to read measurement");
this->status_set_warning();
@@ -507,7 +505,7 @@ bool BMP581Component::reset_() {
// - returns the Power-On-Reboot interrupt status, which is asserted if successful
// writes reset command to BMP's command register
if (!this->write_byte(BMP581_COMMAND, RESET_COMMAND)) {
if (!this->bmp_write_byte(BMP581_COMMAND, RESET_COMMAND)) {
ESP_LOGE(TAG, "Failed to write reset command");
return false;
@@ -518,7 +516,7 @@ bool BMP581Component::reset_() {
delay(3);
// read interrupt status register
if (!this->read_byte(BMP581_INT_STATUS, &this->int_status_.reg)) {
if (!this->bmp_read_byte(BMP581_INT_STATUS, &this->int_status_.reg)) {
ESP_LOGE(TAG, "Failed to read interrupt status register");
return false;
@@ -562,7 +560,7 @@ bool BMP581Component::write_iir_settings_(IIRFilter temperature_iir, IIRFilter p
// BMP581_DSP register and BMP581_DSP_IIR registers are successive
// - allows us to write the IIR configuration with one command to both registers
uint8_t register_data[2] = {this->dsp_config_.reg, this->iir_config_.reg};
return this->write_bytes(BMP581_DSP, register_data, sizeof(register_data));
return this->bmp_write_bytes(BMP581_DSP, register_data, sizeof(register_data));
}
bool BMP581Component::write_interrupt_source_settings_(bool data_ready_enable) {
@@ -572,7 +570,7 @@ bool BMP581Component::write_interrupt_source_settings_(bool data_ready_enable) {
this->int_source_.bit.drdy_data_reg_en = data_ready_enable;
// write interrupt source register
return this->write_byte(BMP581_INT_SOURCE, this->int_source_.reg);
return this->bmp_write_byte(BMP581_INT_SOURCE, this->int_source_.reg);
}
bool BMP581Component::write_oversampling_settings_(Oversampling temperature_oversampling,
@@ -583,7 +581,7 @@ bool BMP581Component::write_oversampling_settings_(Oversampling temperature_over
this->osr_config_.bit.osr_t = temperature_oversampling;
this->osr_config_.bit.osr_p = pressure_oversampling;
return this->write_byte(BMP581_OSR, this->osr_config_.reg);
return this->bmp_write_byte(BMP581_OSR, this->osr_config_.reg);
}
bool BMP581Component::write_power_mode_(OperationMode mode) {
@@ -593,8 +591,7 @@ bool BMP581Component::write_power_mode_(OperationMode mode) {
this->odr_config_.bit.pwr_mode = mode;
// write odr register
return this->write_byte(BMP581_ODR, this->odr_config_.reg);
return this->bmp_write_byte(BMP581_ODR, this->odr_config_.reg);
}
} // namespace bmp581
} // namespace esphome
} // namespace esphome::bmp581_base

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@@ -3,11 +3,9 @@
#pragma once
#include "esphome/core/component.h"
#include "esphome/components/i2c/i2c.h"
#include "esphome/components/sensor/sensor.h"
namespace esphome {
namespace bmp581 {
namespace esphome::bmp581_base {
static const uint8_t BMP581_ASIC_ID = 0x50; // BMP581's ASIC chip ID (page 51 of datasheet)
static const uint8_t RESET_COMMAND = 0xB6; // Soft reset command
@@ -59,7 +57,7 @@ enum IIRFilter {
IIR_FILTER_128 = 0x7
};
class BMP581Component : public PollingComponent, public i2c::I2CDevice {
class BMP581Component : public PollingComponent {
public:
void dump_config() override;
@@ -84,6 +82,11 @@ class BMP581Component : public PollingComponent, public i2c::I2CDevice {
void set_conversion_time(uint8_t conversion_time) { this->conversion_time_ = conversion_time; }
protected:
virtual bool bmp_read_byte(uint8_t a_register, uint8_t *data) = 0;
virtual bool bmp_write_byte(uint8_t a_register, uint8_t data) = 0;
virtual bool bmp_read_bytes(uint8_t a_register, uint8_t *data, size_t len) = 0;
virtual bool bmp_write_bytes(uint8_t a_register, uint8_t *data, size_t len) = 0;
sensor::Sensor *temperature_sensor_{nullptr};
sensor::Sensor *pressure_sensor_{nullptr};
@@ -216,5 +219,4 @@ class BMP581Component : public PollingComponent, public i2c::I2CDevice {
} odr_config_ = {.reg = 0};
};
} // namespace bmp581
} // namespace esphome
} // namespace esphome::bmp581_base

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@@ -0,0 +1,12 @@
#include "bmp581_i2c.h"
#include "esphome/core/hal.h"
#include "esphome/core/log.h"
namespace esphome::bmp581_i2c {
void BMP581I2CComponent::dump_config() {
LOG_I2C_DEVICE(this);
BMP581Component::dump_config();
}
} // namespace esphome::bmp581_i2c

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@@ -0,0 +1,24 @@
#pragma once
#include "esphome/components/bmp581_base/bmp581_base.h"
#include "esphome/components/i2c/i2c.h"
namespace esphome::bmp581_i2c {
static const char *const TAG = "bmp581_i2c.sensor";
/// This class implements support for the BMP581 Temperature+Pressure i2c sensor.
class BMP581I2CComponent : public esphome::bmp581_base::BMP581Component, public i2c::I2CDevice {
public:
bool bmp_read_byte(uint8_t a_register, uint8_t *data) override { return read_byte(a_register, data); }
bool bmp_write_byte(uint8_t a_register, uint8_t data) override { return write_byte(a_register, data); }
bool bmp_read_bytes(uint8_t a_register, uint8_t *data, size_t len) override {
return read_bytes(a_register, data, len);
}
bool bmp_write_bytes(uint8_t a_register, uint8_t *data, size_t len) override {
return write_bytes(a_register, data, len);
}
void dump_config() override;
};
} // namespace esphome::bmp581_i2c

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@@ -0,0 +1,23 @@
import esphome.codegen as cg
from esphome.components import i2c
import esphome.config_validation as cv
from ..bmp581_base import CONFIG_SCHEMA_BASE, to_code_base
AUTO_LOAD = ["bmp581_base"]
CODEOWNERS = ["@kahrendt", "@danielkent-net"]
DEPENDENCIES = ["i2c"]
bmp581_ns = cg.esphome_ns.namespace("bmp581_i2c")
BMP581I2CComponent = bmp581_ns.class_(
"BMP581I2CComponent", cg.PollingComponent, i2c.I2CDevice
)
CONFIG_SCHEMA = CONFIG_SCHEMA_BASE.extend(
i2c.i2c_device_schema(default_address=0x46)
).extend({cv.GenerateID(): cv.declare_id(BMP581I2CComponent)})
async def to_code(config):
var = await to_code_base(config)
await i2c.register_i2c_device(var, config)

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@@ -1,5 +1,5 @@
sensor:
- platform: bmp581
- platform: bmp581_i2c
i2c_id: i2c_bus
temperature:
name: BMP581 Temperature