c31ac662bd
Co-authored-by: Claude Opus 4.6 <noreply@anthropic.com> Co-authored-by: J. Nick Koston <nick@home-assistant.io>
96 lines
2.6 KiB
C++
96 lines
2.6 KiB
C++
#include "smt100.h"
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#include "esphome/core/log.h"
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namespace esphome {
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namespace smt100 {
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static const char *const TAG = "smt100";
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void SMT100Component::update() {
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ESP_LOGV(TAG, "Sending measurement request");
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this->write_str("GetAllMeasurements!\r");
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}
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void SMT100Component::loop() {
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while (this->available() != 0) {
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if (this->readline_(this->read(), this->readline_buffer_, MAX_LINE_LENGTH) > 0) {
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char *token = strtok(this->readline_buffer_, ",");
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if (!token)
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continue;
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int counts = (int) strtol(token, nullptr, 10);
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token = strtok(nullptr, ",");
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if (!token)
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continue;
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float permittivity = (float) strtod(token, nullptr);
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token = strtok(nullptr, ",");
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if (!token)
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continue;
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float moisture = (float) strtod(token, nullptr);
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token = strtok(nullptr, ",");
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if (!token)
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continue;
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float temperature = (float) strtod(token, nullptr);
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token = strtok(nullptr, ",");
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if (!token)
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continue;
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float voltage = (float) strtod(token, nullptr);
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if (this->counts_sensor_ != nullptr) {
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counts_sensor_->publish_state(counts);
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}
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if (this->permittivity_sensor_ != nullptr) {
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permittivity_sensor_->publish_state(permittivity);
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}
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if (this->moisture_sensor_ != nullptr) {
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moisture_sensor_->publish_state(moisture);
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}
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if (this->temperature_sensor_ != nullptr) {
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temperature_sensor_->publish_state(temperature);
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}
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if (this->voltage_sensor_ != nullptr) {
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voltage_sensor_->publish_state(voltage);
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}
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}
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}
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}
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void SMT100Component::dump_config() {
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ESP_LOGCONFIG(TAG, "SMT100:");
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LOG_SENSOR(TAG, "Counts", this->counts_sensor_);
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LOG_SENSOR(TAG, "Permittivity", this->permittivity_sensor_);
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LOG_SENSOR(TAG, "Temperature", this->temperature_sensor_);
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LOG_SENSOR(TAG, "Moisture", this->moisture_sensor_);
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LOG_UPDATE_INTERVAL(this);
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this->check_uart_settings(9600);
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}
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int SMT100Component::readline_(int readch, char *buffer, int len) {
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int rpos;
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if (readch > 0) {
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switch (readch) {
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case '\n': // Ignore new-lines
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break;
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case '\r': // Return on CR
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rpos = this->readline_pos_;
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this->readline_pos_ = 0; // Reset position index ready for next time
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return rpos;
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default:
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if (this->readline_pos_ < len - 1) {
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buffer[this->readline_pos_++] = readch;
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buffer[this->readline_pos_] = 0;
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}
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}
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}
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// No end of line has been found, so return -1.
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return -1;
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}
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} // namespace smt100
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} // namespace esphome
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