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54 lines
1.5 KiB
C++
54 lines
1.5 KiB
C++
#include "tof10120_sensor.h"
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#include "esphome/core/log.h"
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// Very basic support for TOF10120 distance sensor
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namespace esphome {
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namespace tof10120 {
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static const char *TAG = "tof10120";
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static const uint8_t TOF10120_READ_DISTANCE_CMD[] = {0x00};
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static const uint8_t TOF10120_DEFAULT_DELAY = 30;
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static const uint8_t TOF10120_DIR_SEND_REGISTER = 0x0e;
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static const uint8_t TOF10120_DISTANCE_REGISTER = 0x00;
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static const uint16_t TOF10120_OUT_OF_RANGE_VALUE = 2000;
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void TOF10120Sensor::dump_config() {
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LOG_SENSOR("", "TOF10120", this);
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LOG_UPDATE_INTERVAL(this);
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LOG_I2C_DEVICE(this);
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}
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void TOF10120Sensor::setup() {}
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void TOF10120Sensor::update() {
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if (!this->write_bytes(TOF10120_DISTANCE_REGISTER, TOF10120_READ_DISTANCE_CMD, sizeof(TOF10120_READ_DISTANCE_CMD))) {
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ESP_LOGE(TAG, "Communication with TOF10120 failed on write");
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this->status_set_warning();
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return;
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}
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uint8_t data[2];
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if (!this->read_bytes(TOF10120_DISTANCE_REGISTER, data, 2, TOF10120_DEFAULT_DELAY)) {
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ESP_LOGE(TAG, "Communication with TOF10120 failed on read");
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this->status_set_warning();
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return;
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}
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uint32_t distance_mm = (data[0] << 8) | data[1];
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ESP_LOGI(TAG, "Data read: %dmm", distance_mm);
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if (distance_mm == TOF10120_OUT_OF_RANGE_VALUE) {
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ESP_LOGW(TAG, "Distance measurement out of range");
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this->publish_state(NAN);
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} else {
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this->publish_state(distance_mm / 1000.0);
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}
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this->status_clear_warning();
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}
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} // namespace tof10120
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} // namespace esphome
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