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Update hdc2010.cpp

This commit is contained in:
optimusprimespace 2024-05-12 07:10:01 -04:00
parent 6dc249ed32
commit 5d8dd7c3dc
1 changed files with 42 additions and 26 deletions
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68
esphome/components/hdc2010/hdc2010.cpp
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@ -1,6 +1,6 @@
#include "esphome/core/hal.h"
#include "esphome/core/log.h"
#include "hdc2010.h"
#include "esphome/core/log.h"
#include "esphome/core/hal.h"
// https://github.com/vigsterkr/homebridge-hdc2010/blob/main/src/hdc2010.js
// https://github.com/lime-labs/HDC2080-Arduino/blob/master/src/HDC2080.cpp
namespace esphome {
@ -27,8 +27,7 @@ void HDC2010Component::setup() {
};
if (!this->write_bytes(HDC2010_CMD_CONFIGURATION_MEASUREMENT, data, 2)) {
// as instruction is same as powerup defaults (for now), interpret as
// warning if this fails
// as instruction is same as powerup defaults (for now), interpret as warning if this fails
ESP_LOGW(TAG, "HDC2010 initial config instruction error");
this->status_set_warning();
return;
@ -46,32 +45,49 @@ void HDC2010Component::dump_config() {
}
void HDC2010Component::update() {
// Temperature
uint8_t temp_byte[2];
uint16_t temp;
uint16_t raw_temp;
if (this->write(&HDC2010_CMD_TEMPERATURE_LOW, 1) != i2c::ERROR_OK) {
this->status_set_warning();
return;
}
if (this->write(&HDC2010_CMD_TEMPERATURE_HIGH, 1) != i2c::ERROR_OK) {
this->status_set_warning();
return;
}
delay(20);
uint8_t temp_bytes[2];
if (this->read(temp_bytes, 2) != i2c::ERROR_OK) {
this->status_set_warning();
return;
}
uint16_t raw_temp = (temp_bytes[1] << 8) | temp_bytes[0];
float temp = raw_temp * 0.00251770019531f - 40.0f; // raw * 2^-16 * 165 - 40
this->temperature_->publish_state(temp);
temp_byte[0] = readReg(HDC2010_CMD_TEMPERATURE_LOW);
temp_byte[1] = readReg(HDC2010_CMD_TEMPERATURE_HIGH);
temp = (uint16_t) (temp_byte[1]) << 8 | (uint16_t) temp_byte[0];
float temperature = (float) temp * 165.0 / 65536.0 - 40.0;
this->temperature_->publish_state(temperature);
uint8_t humid_byte[2];
uint16_t humidity;
// Humidity
humid_byte[0] = readReg(HDC2010_CMD_HUMIDITY_LOW);
humid_byte[1] = readReg(HDC2010_CMD_HUMIDITY_HIGH);
uint16_t raw_humidity;
if (this->write(&HDC2010_CMD_HUMIDITY_LOW, 1) != i2c::ERROR_OK) {
this->status_set_warning();
return;
}
if (this->write(&HDC2010_CMD_HUMIDITY_HIGH, 1) != i2c::ERROR_OK) {
this->status_set_warning();
return;
}
delay(20);
uint8_t humid_bytes[2];
if (this->read(humid_bytes, 2) != i2c::ERROR_OK) {
this->status_set_warning();
return;
}
uint16_t raw_humidity = (humid_bytes[1] << 8) | humid_bytes[0];
float humidity = raw_humidity * 0.00152587890625f; // raw * 2^-16 * 100
this->humidity_->publish_state(humidity);
humidity = (uint16_t) (humid_byte[1]) << 8 | (uint16_t) humid_byte[0];
float humidity_value = (float) humidity / 65536.0 * 100.0;
this->humidity_->publish_state(humidity_value);
ESP_LOGD(TAG, "Got temperature=%.1f°C humidity=%.1f%%", temperature, humidity_value);
ESP_LOGD(TAG, "Got temperature=%.1f°C humidity=%.1f%%", temp, humidity);
this->status_clear_warning();
}
// void HDC2010::enableHeater()
// {
// uint16_t configContents; //Stores current contents of config register