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Refactor SCD30 driver
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e6ded2bffe
commit
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@ -19,67 +19,56 @@
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*/
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#ifdef USE_I2C
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#ifdef USE_SCD30
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/*********************************************************************************************\
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* SCD30 NDIR CO2 Temperature and Humidity sensor
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\*********************************************************************************************/
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#define XSNS_42 42
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#define XI2C_29 29 // See I2CDEVICES.md
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#define XSNS_42 42
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#define XI2C_29 29 // See I2CDEVICES.md
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//#define SCD30_DEBUG
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#define SCD30_ADDRESS 0x61
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#define SCD30_ADDRESS 0x61
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#define SCD30_MAX_MISSED_READS 3
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#define SCD30_STATE_NO_ERROR 0
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#define SCD30_STATE_ERROR_DATA_CRC 1
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#define SCD30_STATE_ERROR_READ_MEAS 2
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#define SCD30_STATE_ERROR_SOFT_RESET 3
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#define SCD30_STATE_ERROR_I2C_RESET 4
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#define SCD30_STATE_ERROR_UNKNOWN 5
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#define SCD30_MAX_MISSED_READS 3
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#define SCD30_STATE_NO_ERROR 0
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#define SCD30_STATE_ERROR_DATA_CRC 1
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#define SCD30_STATE_ERROR_READ_MEAS 2
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#define SCD30_STATE_ERROR_SOFT_RESET 3
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#define SCD30_STATE_ERROR_I2C_RESET 4
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#define SCD30_STATE_ERROR_UNKNOWN 5
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const char kScd30Commands[] PROGMEM = "Scd30|" // Prefix
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"Alt|Auto|Cal|FW|Int|Pres|TOff";
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void (*const kScd30Command[])(void) PROGMEM = {
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&CmndScd30Altitude, &CmndScd30AutoMode, &CmndScd30Calibrate, &CmndScd30Firmware, &CmndScd30Interval, &CmndScd30Pressure, &CmndScd30TempOffset };
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/********************************************************************************************/
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#include "Arduino.h"
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#include <FrogmoreScd30.h>
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#define D_CMND_SCD30 "SCD30"
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const char S_JSON_SCD30_COMMAND_NVALUE[] PROGMEM = "{\"" D_CMND_SCD30 "%s\":%d}";
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const char S_JSON_SCD30_COMMAND_NFW_VALUE[] PROGMEM = "{\"" D_CMND_SCD30 "%s\":%d.%d}";
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const char S_JSON_SCD30_COMMAND[] PROGMEM = "{\"" D_CMND_SCD30 "%s\"}";
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const char kSCD30_Commands[] PROGMEM = "Alt|Auto|Cal|FW|Int|Pres|TOff";
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/*********************************************************************************************\
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* enumerationsines
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\*********************************************************************************************/
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enum SCD30_Commands { // commands useable in console or rules
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CMND_SCD30_ALTITUDE,
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CMND_SCD30_AUTOMODE,
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CMND_SCD30_CALIBRATE,
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CMND_SCD30_FW,
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CMND_SCD30_INTERVAL,
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CMND_SCD30_PRESSURE,
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CMND_SCD30_TEMPOFFSET
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};
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FrogmoreScd30 scd30;
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bool scd30InitOnce = false;
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bool scd30Found = false;
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bool scd30IsDataValid = false;
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int scd30ErrorState = SCD30_STATE_NO_ERROR;
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uint16_t scd30Interval_sec;
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int scd30Loop_count = 0;
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int scd30DataNotAvailable_count = 0;
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int scd30GoodMeas_count = 0;
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int scd30Reset_count = 0;
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int scd30CrcError_count = 0;
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int scd30Co2Zero_count = 0;
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int scd30i2cReset_count = 0;
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uint16_t scd30_CO2 = 0;
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uint16_t scd30_CO2EAvg = 0;
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float scd30_Humid = 0.0f;
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float scd30_Temp = 0.0f;
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struct {
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float humidity = 0.0f;
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float temperature = 0.0f;
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int error_state = SCD30_STATE_NO_ERROR;
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int loop_count = 0;
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int data_not_available_count = 0;
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int good_measure_count = 0;
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int reset_count = 0;
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int error_count = 0;
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int co2_zero_count = 0;
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int i2c_reset_count = 0;
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uint16_t interval;
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uint16_t co2 = 0;
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uint16_t co2e_avg = 0;
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bool init_once;
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bool found = false;
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bool data_valid = false;
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} Scd30;
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void Scd30Detect(void)
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{
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void Scd30Detect(void) {
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if (!I2cSetDevice(SCD30_ADDRESS)) { return; }
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scd30.begin();
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@ -87,57 +76,55 @@ void Scd30Detect(void)
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uint8_t major = 0;
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uint8_t minor = 0;
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if (scd30.getFirmwareVersion(&major, &minor)) { return; }
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uint16_t interval_sec;
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if (scd30.getMeasurementInterval(&scd30Interval_sec)) { return; }
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if (scd30.getMeasurementInterval(&Scd30.interval)) { return; }
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if (scd30.beginMeasuring()) { return; }
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I2cSetActiveFound(SCD30_ADDRESS, "SCD30");
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scd30Found = true;
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Scd30.found = true;
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AddLog(LOG_LEVEL_DEBUG, PSTR("SCD: FW v%d.%d"), major, minor);
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// AddLog(LOG_LEVEL_DEBUG, PSTR("SCD: FW v%d.%d"), major, minor);
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}
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// gets data from the sensor every 3 seconds or so to give the sensor time to gather new data
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void Scd30Update(void)
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{
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scd30Loop_count++;
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if (scd30Loop_count > (scd30Interval_sec - 1)) {
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void Scd30Update(void) {
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Scd30.loop_count++;
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if (Scd30.loop_count > (Scd30.interval - 1)) {
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uint32_t error = 0;
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switch (scd30ErrorState) {
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switch (Scd30.error_state) {
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case SCD30_STATE_NO_ERROR: {
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error = scd30.readMeasurement(&scd30_CO2, &scd30_CO2EAvg, &scd30_Temp, &scd30_Humid);
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error = scd30.readMeasurement(&Scd30.co2, &Scd30.co2e_avg, &Scd30.temperature, &Scd30.humidity);
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switch (error) {
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case ERROR_SCD30_NO_ERROR:
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scd30Loop_count = 0;
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scd30IsDataValid = true;
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scd30GoodMeas_count++;
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Scd30.loop_count = 0;
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Scd30.data_valid = true;
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Scd30.good_measure_count++;
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break;
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case ERROR_SCD30_NO_DATA:
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scd30DataNotAvailable_count++;
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Scd30.data_not_available_count++;
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break;
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case ERROR_SCD30_CRC_ERROR:
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scd30ErrorState = SCD30_STATE_ERROR_DATA_CRC;
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scd30CrcError_count++;
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Scd30.error_state = SCD30_STATE_ERROR_DATA_CRC;
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Scd30.error_count++;
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#ifdef SCD30_DEBUG
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AddLog(LOG_LEVEL_ERROR, PSTR("SCD30: CRC error, CRC error: %ld, CO2 zero: %ld, good: %ld, no data: %ld, sc30_reset: %ld, i2c_reset: %ld"),
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scd30CrcError_count, scd30Co2Zero_count, scd30GoodMeas_count, scd30DataNotAvailable_count, scd30Reset_count, scd30i2cReset_count);
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Scd30.error_count, Scd30.co2_zero_count, Scd30.good_measure_count, Scd30.data_not_available_count, Scd30.reset_count, Scd30.i2c_reset_count);
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#endif
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break;
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case ERROR_SCD30_CO2_ZERO:
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scd30Co2Zero_count++;
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Scd30.co2_zero_count++;
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#ifdef SCD30_DEBUG
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AddLog(LOG_LEVEL_ERROR, PSTR("SCD30: CO2 zero, CRC error: %ld, CO2 zero: %ld, good: %ld, no data: %ld, sc30_reset: %ld, i2c_reset: %ld"),
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scd30CrcError_count, scd30Co2Zero_count, scd30GoodMeas_count, scd30DataNotAvailable_count, scd30Reset_count, scd30i2cReset_count);
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Scd30.error_count, Scd30.co2_zero_count, Scd30.good_measure_count, Scd30.data_not_available_count, Scd30.reset_count, Scd30.i2c_reset_count);
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#endif
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break;
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default: {
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scd30ErrorState = SCD30_STATE_ERROR_READ_MEAS;
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Scd30.error_state = SCD30_STATE_ERROR_READ_MEAS;
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#ifdef SCD30_DEBUG
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AddLog(LOG_LEVEL_ERROR, PSTR("SCD30: Update: ReadMeasurement error: 0x%lX, counter: %ld"), error, scd30Loop_count);
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AddLog(LOG_LEVEL_ERROR, PSTR("SCD30: Update: ReadMeasurement error: 0x%lX, counter: %ld"), error, Scd30.loop_count);
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#endif
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return;
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}
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@ -147,24 +134,24 @@ void Scd30Update(void)
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break;
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case SCD30_STATE_ERROR_DATA_CRC: {
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//scd30IsDataValid = false;
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//Scd30.data_valid = false;
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#ifdef SCD30_DEBUG
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AddLog(LOG_LEVEL_ERROR, PSTR("SCD30: in error state: %d, good: %ld, no data: %ld, sc30 reset: %ld, i2c reset: %ld"),
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scd30ErrorState, scd30GoodMeas_count, scd30DataNotAvailable_count, scd30Reset_count, scd30i2cReset_count);
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AddLog(LOG_LEVEL_ERROR, PSTR("SCD30: got CRC error, try again, counter: %ld"), scd30Loop_count);
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Scd30.error_state, Scd30.good_measure_count, Scd30.data_not_available_count, Scd30.reset_count, Scd30.i2c_reset_count);
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AddLog(LOG_LEVEL_ERROR, PSTR("SCD30: got CRC error, try again, counter: %ld"), Scd30.loop_count);
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#endif
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scd30ErrorState = ERROR_SCD30_NO_ERROR;
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Scd30.error_state = ERROR_SCD30_NO_ERROR;
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}
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break;
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case SCD30_STATE_ERROR_READ_MEAS: {
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//scd30IsDataValid = false;
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//Scd30.data_valid = false;
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#ifdef SCD30_DEBUG
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AddLog(LOG_LEVEL_ERROR, PSTR("SCD30: in error state: %d, good: %ld, no data: %ld, sc30 reset: %ld, i2c reset: %ld"),
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scd30ErrorState, scd30GoodMeas_count, scd30DataNotAvailable_count, scd30Reset_count, scd30i2cReset_count);
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AddLog(LOG_LEVEL_ERROR, PSTR("SCD30: not answering, sending soft reset, counter: %ld"), scd30Loop_count);
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Scd30.error_state, Scd30.good_measure_count, Scd30.data_not_available_count, Scd30.reset_count, Scd30.i2c_reset_count);
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AddLog(LOG_LEVEL_ERROR, PSTR("SCD30: not answering, sending soft reset, counter: %ld"), Scd30.loop_count);
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#endif
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scd30Reset_count++;
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Scd30.reset_count++;
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error = scd30.softReset();
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if (error) {
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#ifdef SCD30_DEBUG
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@ -172,218 +159,154 @@ void Scd30Update(void)
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#endif
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error >>= 8;
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if (error == 4) {
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scd30ErrorState = SCD30_STATE_ERROR_SOFT_RESET;
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Scd30.error_state = SCD30_STATE_ERROR_SOFT_RESET;
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} else {
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scd30ErrorState = SCD30_STATE_ERROR_UNKNOWN;
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Scd30.error_state = SCD30_STATE_ERROR_UNKNOWN;
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}
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} else {
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scd30ErrorState = ERROR_SCD30_NO_ERROR;
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Scd30.error_state = ERROR_SCD30_NO_ERROR;
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}
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}
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break;
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case SCD30_STATE_ERROR_SOFT_RESET: {
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//scd30IsDataValid = false;
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//Scd30.data_valid = false;
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#ifdef SCD30_DEBUG
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AddLog(LOG_LEVEL_ERROR, PSTR("SCD30: in error state: %d, good: %ld, no data: %ld, sc30 reset: %ld, i2c reset: %ld"),
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scd30ErrorState, scd30GoodMeas_count, scd30DataNotAvailable_count, scd30Reset_count, scd30i2cReset_count);
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Scd30.error_state, Scd30.good_measure_count, Scd30.data_not_available_count, Scd30.reset_count, Scd30.i2c_reset_count);
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AddLog(LOG_LEVEL_ERROR, PSTR("SCD30: clearing i2c bus"));
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#endif
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scd30i2cReset_count++;
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Scd30.i2c_reset_count++;
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error = scd30.clearI2CBus();
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if (error) {
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scd30ErrorState = SCD30_STATE_ERROR_I2C_RESET;
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Scd30.error_state = SCD30_STATE_ERROR_I2C_RESET;
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#ifdef SCD30_DEBUG
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AddLog(LOG_LEVEL_ERROR, PSTR("SCD30: error clearing i2c bus: 0x%lX"), error);
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#endif
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} else {
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scd30ErrorState = ERROR_SCD30_NO_ERROR;
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Scd30.error_state = ERROR_SCD30_NO_ERROR;
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}
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}
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break;
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default: {
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//scd30IsDataValid = false;
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//Scd30.data_valid = false;
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#ifdef SCD30_DEBUG
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AddLog(LOG_LEVEL_ERROR, PSTR("SCD30: unknown error state: 0x%lX"), scd30ErrorState);
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AddLog(LOG_LEVEL_ERROR, PSTR("SCD30: unknown error state: 0x%lX"), Scd30.error_state);
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#endif
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scd30ErrorState = SCD30_STATE_ERROR_SOFT_RESET; // try again
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Scd30.error_state = SCD30_STATE_ERROR_SOFT_RESET; // try again
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}
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}
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if (scd30Loop_count > (SCD30_MAX_MISSED_READS * scd30Interval_sec)) {
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scd30IsDataValid = false;
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if (Scd30.loop_count > (SCD30_MAX_MISSED_READS * Scd30.interval)) {
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Scd30.data_valid = false;
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}
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}
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}
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int Scd30GetCommand(int command_code, uint16_t *pvalue)
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{
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switch (command_code)
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{
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case CMND_SCD30_ALTITUDE:
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return scd30.getAltitudeCompensation(pvalue);
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break;
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case CMND_SCD30_AUTOMODE:
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return scd30.getCalibrationType(pvalue);
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break;
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case CMND_SCD30_CALIBRATE:
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return scd30.getForcedRecalibrationFactor(pvalue);
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break;
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case CMND_SCD30_INTERVAL:
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return scd30.getMeasurementInterval(pvalue);
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break;
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case CMND_SCD30_PRESSURE:
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return scd30.getAmbientPressure(pvalue);
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break;
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case CMND_SCD30_TEMPOFFSET:
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return scd30.getTemperatureOffset(pvalue);
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break;
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default:
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// else for Unknown command
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break;
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}
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return 0; // Fix GCC 10.1 warning
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}
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int Scd30SetCommand(int command_code, uint16_t value)
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{
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switch (command_code)
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{
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case CMND_SCD30_ALTITUDE:
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return scd30.setAltitudeCompensation(value);
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break;
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case CMND_SCD30_AUTOMODE:
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return scd30.setCalibrationType(value);
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break;
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case CMND_SCD30_CALIBRATE:
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return scd30.setForcedRecalibrationFactor(value);
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break;
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case CMND_SCD30_INTERVAL:
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{
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int error = scd30.setMeasurementInterval(value);
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if (!error)
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{
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scd30Interval_sec = value;
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}
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return error;
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}
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break;
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case CMND_SCD30_PRESSURE:
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return scd30.setAmbientPressure(value);
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break;
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case CMND_SCD30_TEMPOFFSET:
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return scd30.setTemperatureOffset(value);
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break;
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default:
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// else for Unknown command
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break;
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}
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return 0; // Fix GCC 10.1 warning
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}
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/*********************************************************************************************\
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* Command Sensor42
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* Command Scd30
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\*********************************************************************************************/
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bool Scd30CommandSensor()
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{
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char command[CMDSZ];
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bool serviced = true;
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uint8_t prefix_len = strlen(D_CMND_SCD30);
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if (!strncasecmp_P(XdrvMailbox.topic, PSTR(D_CMND_SCD30), prefix_len)) { // prefix
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int command_code = GetCommandCode(command, sizeof(command), XdrvMailbox.topic + prefix_len, kSCD30_Commands);
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switch (command_code) {
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case CMND_SCD30_ALTITUDE:
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case CMND_SCD30_AUTOMODE:
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case CMND_SCD30_CALIBRATE:
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case CMND_SCD30_INTERVAL:
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case CMND_SCD30_PRESSURE:
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case CMND_SCD30_TEMPOFFSET:
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{
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uint16_t value = 0;
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if (XdrvMailbox.data_len > 0)
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{
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value = XdrvMailbox.payload;
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Scd30SetCommand(command_code, value);
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}
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else
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{
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Scd30GetCommand(command_code, &value);
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}
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Response_P(S_JSON_SCD30_COMMAND_NVALUE, command, value);
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}
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break;
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case CMND_SCD30_FW:
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{
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uint8_t major = 0;
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uint8_t minor = 0;
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int error;
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error = scd30.getFirmwareVersion(&major, &minor);
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if (error)
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{
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#ifdef SCD30_DEBUG
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AddLog(LOG_LEVEL_ERROR, PSTR("SCD30: error getting FW version: 0x%lX"), error);
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#endif
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serviced = false;
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}
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else
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{
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Response_P(S_JSON_SCD30_COMMAND_NFW_VALUE, command, major, minor);
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}
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||||
}
|
||||
break;
|
||||
|
||||
default:
|
||||
// else for Unknown command
|
||||
serviced = false;
|
||||
break;
|
||||
}
|
||||
void CmndScd30Altitude(void) {
|
||||
uint16_t value = 0;
|
||||
if (XdrvMailbox.data_len > 0) {
|
||||
value = XdrvMailbox.payload;
|
||||
scd30.setAltitudeCompensation(value);
|
||||
} else {
|
||||
serviced = false;
|
||||
scd30.getAltitudeCompensation(&value);
|
||||
}
|
||||
return serviced;
|
||||
}
|
||||
ResponseCmndNumber(value);
|
||||
};
|
||||
|
||||
void Scd30Show(bool json)
|
||||
{
|
||||
if (scd30IsDataValid)
|
||||
{
|
||||
float t = ConvertTemp(scd30_Temp);
|
||||
float h = ConvertHumidity(scd30_Humid);
|
||||
void CmndScd30AutoMode(void) {
|
||||
uint16_t value = 0;
|
||||
if (XdrvMailbox.data_len > 0) {
|
||||
value = XdrvMailbox.payload;
|
||||
scd30.setCalibrationType(value);
|
||||
} else {
|
||||
scd30.getCalibrationType(&value);
|
||||
}
|
||||
ResponseCmndNumber(value);
|
||||
};
|
||||
|
||||
void CmndScd30Calibrate(void) {
|
||||
uint16_t value = 0;
|
||||
if (XdrvMailbox.data_len > 0) {
|
||||
value = XdrvMailbox.payload;
|
||||
scd30.setForcedRecalibrationFactor(value);
|
||||
} else {
|
||||
scd30.getForcedRecalibrationFactor(&value);
|
||||
}
|
||||
ResponseCmndNumber(value);
|
||||
};
|
||||
|
||||
void CmndScd30Firmware(void) {
|
||||
uint8_t major = 0;
|
||||
uint8_t minor = 0;
|
||||
int error = scd30.getFirmwareVersion(&major, &minor);
|
||||
if (!error) {
|
||||
float firmware = major + ((float)minor / 100);
|
||||
ResponseCmndFloat(firmware, 2);
|
||||
}
|
||||
};
|
||||
|
||||
void CmndScd30Interval(void) {
|
||||
uint16_t value = 0;
|
||||
if (XdrvMailbox.data_len > 0) {
|
||||
value = XdrvMailbox.payload;
|
||||
int error = scd30.setMeasurementInterval(value);
|
||||
if (!error) {
|
||||
Scd30.interval = value;
|
||||
}
|
||||
}
|
||||
scd30.getMeasurementInterval(&value);
|
||||
ResponseCmndNumber(value);
|
||||
};
|
||||
|
||||
void CmndScd30Pressure(void) {
|
||||
uint16_t value = 0;
|
||||
if (XdrvMailbox.data_len > 0) {
|
||||
value = XdrvMailbox.payload;
|
||||
scd30.setAmbientPressure(value);
|
||||
} else {
|
||||
scd30.getAmbientPressure(&value);
|
||||
}
|
||||
ResponseCmndNumber(value);
|
||||
};
|
||||
|
||||
void CmndScd30TempOffset(void) {
|
||||
uint16_t value = 0;
|
||||
if (XdrvMailbox.data_len > 0) {
|
||||
value = XdrvMailbox.payload;
|
||||
scd30.setTemperatureOffset(value);
|
||||
} else {
|
||||
scd30.getTemperatureOffset(&value);
|
||||
}
|
||||
ResponseCmndNumber(value);
|
||||
};
|
||||
|
||||
/********************************************************************************************/
|
||||
|
||||
void Scd30Show(bool json) {
|
||||
if (Scd30.data_valid) {
|
||||
float t = ConvertTemp(Scd30.temperature);
|
||||
float h = ConvertHumidity(Scd30.humidity);
|
||||
|
||||
if (json) {
|
||||
ResponseAppend_P(PSTR(",\"SCD30\":{\"" D_JSON_CO2 "\":%d,\"" D_JSON_ECO2 "\":%d,"), scd30_CO2, scd30_CO2EAvg);
|
||||
ResponseAppend_P(PSTR(",\"SCD30\":{\"" D_JSON_CO2 "\":%d,\"" D_JSON_ECO2 "\":%d,"), Scd30.co2, Scd30.co2e_avg);
|
||||
ResponseAppendTHD(t, h);
|
||||
ResponseJsonEnd();
|
||||
#ifdef USE_DOMOTICZ
|
||||
if (0 == TasmotaGlobal.tele_period) {
|
||||
DomoticzSensor(DZ_AIRQUALITY, scd30_CO2);
|
||||
DomoticzSensor(DZ_AIRQUALITY, Scd30.co2);
|
||||
DomoticzTempHumPressureSensor(t, h);
|
||||
}
|
||||
#endif // USE_DOMOTICZ
|
||||
#ifdef USE_WEBSERVER
|
||||
} else {
|
||||
WSContentSend_PD(HTTP_SNS_CO2EAVG, "SCD30", scd30_CO2EAvg);
|
||||
WSContentSend_PD(HTTP_SNS_CO2, "SCD30", scd30_CO2);
|
||||
WSContentSend_PD(HTTP_SNS_CO2EAVG, "SCD30", Scd30.co2e_avg);
|
||||
WSContentSend_PD(HTTP_SNS_CO2, "SCD30", Scd30.co2);
|
||||
WSContentSend_THD("SCD30", t, h);
|
||||
#endif // USE_WEBSERVER
|
||||
}
|
||||
@ -394,8 +317,7 @@ void Scd30Show(bool json)
|
||||
* Interface
|
||||
\*********************************************************************************************/
|
||||
|
||||
bool Xsns42(byte function)
|
||||
{
|
||||
bool Xsns42(byte function) {
|
||||
if (!I2cEnabled(XI2C_29)) { return false; }
|
||||
|
||||
bool result = false;
|
||||
@ -406,26 +328,26 @@ bool Xsns42(byte function)
|
||||
Scd30Detect();
|
||||
}
|
||||
*/
|
||||
if (!scd30InitOnce && (FUNC_EVERY_SECOND == function) && (TasmotaGlobal.uptime > 2)) {
|
||||
scd30InitOnce = true;
|
||||
if (!Scd30.init_once && (FUNC_EVERY_SECOND == function) && (TasmotaGlobal.uptime > 2)) {
|
||||
Scd30.init_once = true;
|
||||
Scd30Detect();
|
||||
}
|
||||
else if (scd30Found) {
|
||||
else if (Scd30.found) {
|
||||
switch (function) {
|
||||
case FUNC_EVERY_SECOND:
|
||||
Scd30Update();
|
||||
break;
|
||||
case FUNC_COMMAND:
|
||||
result = Scd30CommandSensor();
|
||||
result = DecodeCommand(kScd30Commands, kScd30Command);
|
||||
break;
|
||||
case FUNC_JSON_APPEND:
|
||||
Scd30Show(1);
|
||||
break;
|
||||
#ifdef USE_WEBSERVER
|
||||
#ifdef USE_WEBSERVER
|
||||
case FUNC_WEB_SENSOR:
|
||||
Scd30Show(0);
|
||||
break;
|
||||
#endif // USE_WEBSERVER
|
||||
#endif // USE_WEBSERVER
|
||||
}
|
||||
}
|
||||
return result;
|
||||
|
Loading…
x
Reference in New Issue
Block a user