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116 lines
4.0 KiB
C++
116 lines
4.0 KiB
C++
#include "pmwcs3.h"
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#include "esphome/core/hal.h"
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#include "esphome/core/log.h"
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namespace esphome {
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namespace pmwcs3 {
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static const uint8_t PMWCS3_I2C_ADDRESS = 0x63;
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static const uint8_t PMWCS3_REG_READ_START = 0x01;
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static const uint8_t PMWCS3_REG_READ_E25 = 0x02;
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static const uint8_t PMWCS3_REG_READ_EC = 0x03;
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static const uint8_t PMWCS3_REG_READ_TEMP = 0x04;
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static const uint8_t PMWCS3_REG_READ_VWC = 0x05;
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static const uint8_t PMWCS3_REG_CALIBRATE_AIR = 0x06;
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static const uint8_t PMWCS3_REG_CALIBRATE_WATER = 0x07;
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static const uint8_t PMWCS3_SET_I2C_ADDRESS = 0x08;
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static const uint8_t PMWCS3_REG_GET_DATA = 0x09;
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static const uint8_t PMWCS3_REG_CALIBRATE_EC = 0x10;
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static const uint8_t PMWCS3_REG_CAP = 0x0A;
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static const uint8_t PMWCS3_REG_RES = 0x0B;
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static const uint8_t PMWCS3_REG_RC = 0x0C;
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static const uint8_t PMWCS3_REG_RT = 0x0D;
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static const char *const TAG = "pmwcs3";
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void PMWCS3Component::new_i2c_address(uint8_t address) {
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if (!this->write_byte(PMWCS3_SET_I2C_ADDRESS, address)) {
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this->status_set_warning();
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ESP_LOGW(TAG, "couldn't write the new I2C address %d", address);
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return;
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}
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this->set_i2c_address(address); // Allows device to continue working until new firmware is written with new address.
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ESP_LOGVV(TAG, "changed I2C address to %d", address);
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this->status_clear_warning();
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}
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void PMWCS3Component::air_calibration() {
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if (!this->write_bytes(PMWCS3_REG_CALIBRATE_AIR, nullptr, 0)) {
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this->status_set_warning();
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ESP_LOGW(TAG, "couldn't start air calibration");
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return;
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}
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ESP_LOGW(TAG, "Start air calibration during the next 300s");
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}
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void PMWCS3Component::water_calibration() {
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if (!this->write_bytes(PMWCS3_REG_CALIBRATE_WATER, nullptr, 0)) {
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this->status_set_warning();
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ESP_LOGW(TAG, "couldn't start water calibration");
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return;
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}
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ESP_LOGW(TAG, "Start water calibration during the next 300s");
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}
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void PMWCS3Component::setup() { ESP_LOGCONFIG(TAG, "Setting up PMWCS3..."); }
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void PMWCS3Component::update() { this->read_data_(); }
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float PMWCS3Component::get_setup_priority() const { return setup_priority::DATA; }
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void PMWCS3Component::dump_config() {
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ESP_LOGCONFIG(TAG, "PMWCS3");
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LOG_I2C_DEVICE(this);
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if (this->is_failed()) {
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ESP_LOGE(TAG, "Communication with PMWCS3 failed!");
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}
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ESP_LOGI(TAG, "%s", this->is_failed() ? "FAILED" : "OK");
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LOG_UPDATE_INTERVAL(this);
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LOG_SENSOR(" ", "e25", this->e25_sensor_);
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LOG_SENSOR(" ", "ec", this->ec_sensor_);
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LOG_SENSOR(" ", "temperature", this->temperature_sensor_);
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LOG_SENSOR(" ", "vwc", this->vwc_sensor_);
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}
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void PMWCS3Component::read_data_() {
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uint8_t data[8];
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float e25, ec, temperature, vwc;
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/////// Super important !!!! first activate reading PMWCS3_REG_READ_START (if not, return always the same values) ////
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if (!this->write_bytes(PMWCS3_REG_READ_START, nullptr, 0)) {
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this->status_set_warning();
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ESP_LOGVV(TAG, "Failed to write into REG_READ_START register !!!");
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return;
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}
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// NOLINT delay(100);
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if (!this->read_bytes(PMWCS3_REG_GET_DATA, (uint8_t *) &data, 8)) {
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ESP_LOGVV(TAG, "Error reading PMWCS3_REG_GET_DATA registers");
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this->mark_failed();
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return;
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}
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if (this->e25_sensor_ != nullptr) {
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e25 = ((data[1] << 8) | data[0]) / 100.0;
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this->e25_sensor_->publish_state(e25);
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ESP_LOGVV(TAG, "e25: data[0]=%d, data[1]=%d, result=%f", data[0], data[1], e25);
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}
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if (this->ec_sensor_ != nullptr) {
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ec = ((data[3] << 8) | data[2]) / 10.0;
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this->ec_sensor_->publish_state(ec);
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ESP_LOGVV(TAG, "ec: data[2]=%d, data[3]=%d, result=%f", data[2], data[3], ec);
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}
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if (this->temperature_sensor_ != nullptr) {
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temperature = ((data[5] << 8) | data[4]) / 100.0;
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this->temperature_sensor_->publish_state(temperature);
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ESP_LOGVV(TAG, "temp: data[4]=%d, data[5]=%d, result=%f", data[4], data[5], temperature);
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}
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if (this->vwc_sensor_ != nullptr) {
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vwc = ((data[7] << 8) | data[6]) / 10.0;
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this->vwc_sensor_->publish_state(vwc);
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ESP_LOGVV(TAG, "vwc: data[6]=%d, data[7]=%d, result=%f", data[6], data[7], vwc);
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}
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}
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} // namespace pmwcs3
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} // namespace esphome
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