Add TMP117 component (#992)

* Create TMP117 sensor component
This commit is contained in:
Nicholas Peters 2020-03-12 17:25:00 -04:00 committed by GitHub
parent c60989a7be
commit 714d28a61a
No known key found for this signature in database
GPG key ID: 4AEE18F83AFDEB23
5 changed files with 173 additions and 0 deletions

View file

View file

@ -0,0 +1,67 @@
import esphome.codegen as cg
import esphome.config_validation as cv
from esphome.components import i2c, sensor
from esphome.const import CONF_ID, CONF_UPDATE_INTERVAL, \
UNIT_CELSIUS, ICON_THERMOMETER
DEPENDENCIES = ['i2c']
tmp117_ns = cg.esphome_ns.namespace('tmp117')
TMP117Component = tmp117_ns.class_('TMP117Component',
cg.PollingComponent, i2c.I2CDevice, sensor.Sensor)
CONFIG_SCHEMA = cv.All(sensor.sensor_schema(UNIT_CELSIUS, ICON_THERMOMETER, 1).extend({
cv.GenerateID(): cv.declare_id(TMP117Component),
}).extend(cv.polling_component_schema('60s')).extend(i2c.i2c_device_schema(0x48)))
def determine_config_register(polling_period):
if polling_period >= 16.0:
# 64 averaged conversions, max conversion time
# 0000 00 111 11 00000
# 0000 0011 1110 0000
return 0x03E0
if polling_period >= 8.0:
# 64 averaged conversions, high conversion time
# 0000 00 110 11 00000
# 0000 0011 0110 0000
return 0x0360
if polling_period >= 4.0:
# 64 averaged conversions, mid conversion time
# 0000 00 101 11 00000
# 0000 0010 1110 0000
return 0x02E0
if polling_period >= 1.0:
# 64 averaged conversions, min conversion time
# 0000 00 000 11 00000
# 0000 0000 0110 0000
return 0x0060
if polling_period >= 0.5:
# 32 averaged conversions, min conversion time
# 0000 00 000 10 00000
# 0000 0000 0100 0000
return 0x0040
if polling_period >= 0.25:
# 8 averaged conversions, mid conversion time
# 0000 00 010 01 00000
# 0000 0001 0010 0000
return 0x0120
if polling_period >= 0.125:
# 8 averaged conversions, min conversion time
# 0000 00 000 01 00000
# 0000 0000 0010 0000
return 0x0020
# 1 averaged conversions, min conversion time
# 0000 00 000 00 00000
# 0000 0000 0000 0000
return 0x0000
def to_code(config):
var = cg.new_Pvariable(config[CONF_ID])
yield cg.register_component(var, config)
yield i2c.register_i2c_device(var, config)
yield sensor.register_sensor(var, config)
update_period = config[CONF_UPDATE_INTERVAL].total_seconds
cg.add(var.set_config(determine_config_register(update_period)))

View file

@ -0,0 +1,76 @@
// Implementation based on:
// - DHT 12 Component
#include "tmp117.h"
#include "esphome/core/log.h"
namespace esphome {
namespace tmp117 {
static const char *TAG = "tmp117";
void TMP117Component::update() {
int16_t data;
if (!this->read_data_(&data)) {
this->status_set_warning();
return;
}
if ((uint16_t) data != 0x8000) {
float temperature = data * 0.0078125f;
ESP_LOGD(TAG, "Got temperature=%.2f°C", temperature);
this->publish_state(temperature);
this->status_clear_warning();
} else {
ESP_LOGD(TAG, "TMP117 not ready");
}
}
void TMP117Component::setup() {
ESP_LOGCONFIG(TAG, "Setting up TMP117...");
if (!this->write_config_(this->config_)) {
this->mark_failed();
return;
}
int16_t data;
if (!this->read_data_(&data)) {
this->mark_failed();
return;
}
}
void TMP117Component::dump_config() {
ESP_LOGD(TAG, "TMP117:");
LOG_I2C_DEVICE(this);
if (this->is_failed()) {
ESP_LOGE(TAG, "Communication with TMP117 failed!");
}
LOG_SENSOR(" ", "Temperature", this);
}
float TMP117Component::get_setup_priority() const { return setup_priority::DATA; }
bool TMP117Component::read_data_(int16_t *data) {
if (!this->read_byte_16(0, (uint16_t *) data)) {
ESP_LOGW(TAG, "Updating TMP117 failed!");
return false;
}
return true;
}
bool TMP117Component::read_config_(uint16_t *config) {
if (!this->read_byte_16(1, (uint16_t *) config)) {
ESP_LOGW(TAG, "Reading TMP117 config failed!");
return false;
}
return true;
}
bool TMP117Component::write_config_(uint16_t config) {
if (!this->write_byte_16(1, config)) {
ESP_LOGE(TAG, "Writing TMP117 config failed!");
return false;
}
return true;
}
} // namespace tmp117
} // namespace esphome

View file

@ -0,0 +1,27 @@
#pragma once
#include "esphome/core/component.h"
#include "esphome/components/sensor/sensor.h"
#include "esphome/components/i2c/i2c.h"
namespace esphome {
namespace tmp117 {
class TMP117Component : public PollingComponent, public i2c::I2CDevice, public sensor::Sensor {
public:
void setup() override;
void dump_config() override;
float get_setup_priority() const override;
void update() override;
void set_config(uint16_t config) { config_ = config; };
protected:
bool read_data_(int16_t *data);
bool read_config_(uint16_t *config);
bool write_config_(uint16_t config);
uint16_t config_;
};
} // namespace tmp117
} // namespace esphome

View file

@ -716,6 +716,9 @@ sensor:
name: "Lightning Energy" name: "Lightning Energy"
distance: distance:
name: "Distance Storm" name: "Distance Storm"
- platform: tmp117
name: "TMP117 Temperature"
update_interval: 5s
esp32_touch: esp32_touch:
setup_mode: False setup_mode: False