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Update hdc2010.cpp

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optimusprimespace 2024-05-19 05:48:42 -04:00
parent a4c410e8fe
commit d33e5e2fe4
1 changed files with 151 additions and 4 deletions
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155
esphome/components/hdc2010/hdc2010.cpp Normal file → Executable file
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@ -71,10 +71,10 @@ void HDC2010Component::update() {
// uint8_t tempLow, tempHigh, humidLow, humidHigh;
// Trigger measurement
// uint8_t configContents;
// read_register(CONFIG, &configContents, 1);
// configContents |= 0x01;
// this->write_bytes(CONFIG, &configContents, 1);
uint8_t configContents;
configContents = readReg(MEASUREMENT_CONFIG);
configContents = (configContents | 0x01);
writeReg(MEASUREMENT_CONFIG, configContents);
// delayMicroseconds(1000); // 1ms delay after triggering the sample
@ -96,6 +96,106 @@ void HDC2010Component::update() {
this->status_clear_warning();
}
// void HDC2010::enableHeater()
// {
// uint16_t configContents; //Stores current#include "esphome/core/hal.h"
#include "esphome/core/log.h"
#include "hdc2010.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 {
namespace hdc2010 {
static const char *const TAG = "hdc2010";
static const uint8_t HDC2010_ADDRESS = 0x40; // 0b1000000 or 0b1000001 from datasheet
static const uint8_t HDC2010_CMD_CONFIGURATION_MEASUREMENT = 0x8F;
static const uint8_t HDC2010_CMD_START_MEASUREMENT = 0xF9;
static const uint8_t HDC2010_CMD_TEMPERATURE_LOW = 0x00;
static const uint8_t HDC2010_CMD_TEMPERATURE_HIGH = 0x01;
static const uint8_t HDC2010_CMD_HUMIDITY_LOW = 0x02;
static const uint8_t HDC2010_CMD_HUMIDITY_HIGH = 0x03;
static const uint8_t CONFIG = 0x0E;
static const uint8_t MEASUREMENT_CONFIG = 0x0F;
void HDC2010Component::setup() {
ESP_LOGCONFIG(TAG, "Setting up HDC2010...");
const uint8_t data[2] = {
0b00000000, // resolution 14bit for both humidity and temperature
0b00000000 // reserved
};
if (!this->write_bytes(HDC2010_CMD_CONFIGURATION_MEASUREMENT, data, 2)) {
ESP_LOGW(TAG, "HDC2010 initial config instruction error");
this->status_set_warning();
return;
}
// Set measurement mode to temperature and humidity
uint8_t configContents;
read_register(MEASUREMENT_CONFIG, &configContents, 1);
configContents = (configContents & 0xF9); // Always set to TEMP_AND_HUMID mode
this->write_bytes(MEASUREMENT_CONFIG, &configContents, 1);
// Set rate to manual
read_register(CONFIG, &configContents, 1);
configContents &= 0x8F;
this->write_bytes(CONFIG, &configContents, 1);
// Set temperature resolution to 14bit
read_register(CONFIG, &configContents, 1);
configContents &= 0x3F;
this->write_bytes(CONFIG, &configContents, 1);
// Set humidity resolution to 14bit
read_register(CONFIG, &configContents, 1);
configContents &= 0xCF;
this->write_bytes(CONFIG, &configContents, 1);
delayMicroseconds(5000); // wait for 5ms
}
void HDC2010Component::dump_config() {
ESP_LOGCONFIG(TAG, "HDC2010:");
LOG_I2C_DEVICE(this);
if (this->is_failed()) {
ESP_LOGE(TAG, "Communication with HDC2010 failed!");
}
LOG_UPDATE_INTERVAL(this);
LOG_SENSOR(" ", "Temperature", this->temperature_);
LOG_SENSOR(" ", "Humidity", this->humidity_);
}
void HDC2010Component::update() {
// uint8_t tempLow, tempHigh, humidLow, humidHigh;
// Trigger measurement
uint8_t configContents;
configContents = readReg(MEASUREMENT_CONFIG);
configContents = (configContents | 0x01);
writeReg(MEASUREMENT_CONFIG, configContents);
delayMicroseconds(1000); // 1ms delay after triggering the sample
// if (!read_register(HDC2010_CMD_TEMPERATURE_LOW, &tempLow, 1) ||
// !read_register(HDC2010_CMD_TEMPERATURE_HIGH, &tempHigh, 1) ||
// !read_register(HDC2010_CMD_HUMIDITY_LOW, &humidLow, 1) ||
// !read_register(HDC2010_CMD_HUMIDITY_HIGH, &humidHigh, 1)) {
// this->status_set_warning();
// return;
// }
float temp = readTemp();
float humidity = readHumidity();
this->temperature_->publish_state(temp);
this->humidity_->publish_state(humidity);
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
@ -144,3 +244,50 @@ float HDC2010Component::readHumidity() {
float HDC2010Component::get_setup_priority() const { return setup_priority::DATA; }
} // namespace hdc2010
} // namespace esphome
contents of config register
// configContents = readReg(CONFIG);
// //set bit 3 to 1 to enable heater
// configContents = (configContents | 0x08);
// writeReg(CONFIG, configContents);
// }
// void HDC2010::disableHeater()
// {
// uint16_t configContents; //Stores current contents of config register
// configContents = readReg(CONFIG);
////set bit 3 to 0 to disable heater (all other bits 1)
// configContents = (configContents & 0xF7);
// writeReg(CONFIG, configContents);
// }
float
HDC2010Component::readTemp() {
uint8_t byte[2];
uint16_t temp;
read_register(HDC2010_CMD_TEMPERATURE_LOW, &byte[0], 1);
read_register(HDC2010_CMD_TEMPERATURE_HIGH, &byte[1], 1);
temp = (unsigned int) byte[1] << 8 | byte[0];
return (float) temp * 0.0025177f - 40.0f;
}
float HDC2010Component::readHumidity() {
uint8_t byte[2];
uint16_t humidity;
read_register(HDC2010_CMD_HUMIDITY_LOW, &byte[0], 1);
read_register(HDC2010_CMD_HUMIDITY_HIGH, &byte[1], 1);
humidity = (unsigned int) byte[1] << 8 | byte[0];
return (float) humidity * 0.001525879f;
}
float HDC2010Component::get_setup_priority() const { return setup_priority::DATA; }
} // namespace hdc2010
} // namespace esphome