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https://github.com/arendst/Tasmota.git
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Support S88 sensor (#22733)
* Support S88 sensor Also: - More stable model detection - More robust against errors - Better logging * Support S88
This commit is contained in:
Mark Ruys
GitHub
parent
01154e9497
commit
a2752bf500
@ -884,6 +884,7 @@
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#define D_LOG_LVGL "LVG: " // LVGL graphics engine
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#define D_LOG_THERMOSTAT "THE: " // Thermostat driver
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#define D_LOG_SENSOR "SNS: " // Sensor driver
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#define D_LOG_SENSEAIR "SNA: " // Senseair driver
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/********************************************************************************************/
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@ -19,18 +19,48 @@
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#ifdef USE_SENSEAIR
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/*********************************************************************************************\
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* SenseAir K30, K70 and S8 - CO2 sensor
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* SenseAir K30, K70, S8 and S88 - CO2 sensor
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*
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* Adapted from EspEasy plugin P052 by Mikael Trieb (mikael__AT__triebconsulting.se)
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*
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* Hardware Serial will be selected if GPIO1 = [SAir Rx] and GPIO3 = [SAir Tx]
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\*********************************************************************************************/
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/*********************************************************************************************\
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* aSENSE tSENSE K30 S8 S88
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* IR1 MeterStatus MeterStatus MeterStatus MeterStatus MeterStatus
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* IR4 Space CO2 Space CO2 Space CO2 Space CO2 Space CO2
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* IR5 Space Temp Space Temp - - Space Temp
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* IR6 - RH - - -
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* IR25 - - - - ETC Low
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* IR27 - - - Type Id Low Type Id Low
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*
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\*********************************************************************************************/
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#define XSNS_17 17
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#define SENSEAIR_MODBUS_SPEED 9600
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#define SENSEAIR_DEVICE_ADDRESS 0xFE // Any address
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#define SENSEAIR_READ_REGISTER 0x04 // Command Read
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#define SENSEAIR_BROADCAST_ADDRESS 0xFE
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#define COMMAND_READ_INPUT_REGISTER 0x04
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#define IR_METER_STATUS 0
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#define IR_SPACE_CO2 3
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#define IR_SPACE_TEMP 4 // Not valid for S8 sensors
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#define IR_SPACE_HUMIDITY 5 // Only valid for Kx0 sensors
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#define IR_TEMP_ADJUSTMENT 10
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#define IR_SENSOR_ETC_LOW 24
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#define IR_SENSOR_ETC_HIGH 25
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#define IR_SENSOR_TYPE_ID_LOW 26
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#define IR_SENSOR_TYPE_ID_HIGH 27
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#define IR_RELAY_STATE 28
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#define SENSOR_TYPE_INIT 0
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#define SENSOR_TYPE_UNKNOWN 1
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#define SENSOR_TYPE_NONE 2
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#define SENSOR_TYPE_KX0 3
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#define SENSOR_TYPE_S8 4
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#define SENSOR_TYPE_S88 5
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#ifndef CO2_LOW
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#define CO2_LOW 800 // Below this CO2 value show green light
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@ -42,117 +72,172 @@
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#include <TasmotaModbus.h>
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TasmotaModbus *SenseairModbus;
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const char kSenseairTypes[] PROGMEM = "Kx0|S8";
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const char kSenseairTypes[] PROGMEM = "Kx0|S8|S88";
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uint8_t senseair_type = 1;
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char senseair_types[7];
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uint8_t senseair_type = SENSOR_TYPE_INIT;
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char senseair_types[4];
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uint16_t senseair_co2 = 0;
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float senseair_temperature = 0;
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float senseair_humidity = 0;
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//uint8_t senseair_state = 0;
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const uint8_t input_registers[] = {
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IR_SENSOR_ETC_LOW,
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IR_SENSOR_TYPE_ID_LOW,
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IR_METER_STATUS,
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IR_SPACE_CO2,
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IR_SPACE_TEMP,
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IR_SPACE_HUMIDITY,
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};
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const uint8_t start_addresses[] { 0x1A, 0x00, 0x03, 0x04, 0x05, 0x1C, 0x0A };
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#define INPUT_REGISTERS_LOOP_START 2
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#define INPUT_REGISTERS_LOOP_END_KX0 (sizeof input_registers / sizeof *input_registers)
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#define INPUT_REGISTERS_LOOP_END_S88 (INPUT_REGISTERS_LOOP_END_KX0 - 1)
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#define INPUT_REGISTERS_LOOP_END_S8 (INPUT_REGISTERS_LOOP_END_KX0 - 2)
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uint8_t senseair_read_state = 0;
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uint8_t senseair_send_retry = 0;
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void Senseair250ms(void) // Every 250 mSec
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void Senseair250ms(void)
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{
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// senseair_state++;
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// if (6 == senseair_state) { // Every 300 mSec
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// senseair_state = 0;
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if (senseair_type == SENSOR_TYPE_INIT || senseair_type == SENSOR_TYPE_NONE) {
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return;
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}
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bool data_ready = SenseairModbus->ReceiveReady();
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if (data_ready) {
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uint16_t value = 0;
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bool data_ready = SenseairModbus->ReceiveReady();
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if (data_ready) {
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uint8_t error = SenseairModbus->Receive16BitRegister(&value);
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if (error) {
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AddLog(LOG_LEVEL_DEBUG, PSTR(D_LOG_DEBUG "SenseAir read register %02X gave response error %d"), (uint16_t)start_addresses[senseair_read_state], error);
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} else {
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switch(senseair_read_state) {
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case 0: // 0x1A (26) READ_TYPE_LOW - S8: fe 04 02 01 77 ec 92
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senseair_type = 2;
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AddLog(LOG_LEVEL_DEBUG, PSTR(D_LOG_DEBUG "SenseAir type id low %04X"), value);
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break;
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case 1: // 0x00 (0) READ_ERRORLOG - fe 04 02 00 00 ad 24
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if (value) {
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AddLog(LOG_LEVEL_DEBUG, PSTR(D_LOG_DEBUG "SenseAir error %04X"), value);
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// Read register.
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uint8_t error = SenseairModbus->Receive16BitRegister(&value);
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if (senseair_type == SENSOR_TYPE_UNKNOWN) {
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// Try to determine sensor model.
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switch (input_registers[senseair_read_state]) {
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case IR_SENSOR_ETC_LOW:
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if (error == 0) {
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senseair_type = SENSOR_TYPE_S88;
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}
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break;
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case 2: // 0x03 (3) READ_CO2 - fe 04 02 06 2c af 59
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senseair_co2 = value;
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#ifdef USE_LIGHT
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LightSetSignal(CO2_LOW, CO2_HIGH, senseair_co2);
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#endif // USE_LIGHT
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break;
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case 3: // 0x04 (4) READ_TEMPERATURE - S8: fe 84 02 f2 f1 - Illegal Data Address
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senseair_temperature = ConvertTemp((float)value / 100);
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break;
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case 4: // 0x05 (5) READ_HUMIDITY - S8: fe 84 02 f2 f1 - Illegal Data Address
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senseair_humidity = ConvertHumidity((float)value / 100);
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break;
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case 5: // 0x1C (28) READ_RELAY_STATE - S8: fe 04 02 01 54 ad 4b - firmware version
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{
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bool relay_state = value >> 8 & 1;
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AddLog(LOG_LEVEL_DEBUG, PSTR(D_LOG_DEBUG "SenseAir relay state %d"), relay_state);
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break;
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case IR_SENSOR_TYPE_ID_LOW:
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switch (error) {
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case 0:
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senseair_type = SENSOR_TYPE_S8;
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break;
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case 2: // Illegal Data Address
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senseair_type = SENSOR_TYPE_KX0;
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break;
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}
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case 6: // 0x0A (10) READ_TEMP_ADJUSTMENT - S8: fe 84 02 f2 f1 - Illegal Data Address
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AddLog(LOG_LEVEL_DEBUG, PSTR(D_LOG_DEBUG "SenseAir temp adjustment %d"), value);
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break;
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}
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senseair_read_state++;
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if (2 == senseair_type) { // S8
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if (3 == senseair_read_state) {
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senseair_read_state = 1;
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}
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} else { // K30, K70
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if (sizeof(start_addresses) == senseair_read_state) {
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senseair_read_state = 1;
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}
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}
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break;
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}
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if (senseair_type != SENSOR_TYPE_UNKNOWN) {
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GetTextIndexed(senseair_types, sizeof(senseair_types), senseair_type - SENSOR_TYPE_KX0, kSenseairTypes);
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AddLog(LOG_LEVEL_INFO, PSTR(D_LOG_SENSEAIR "%s detected"), senseair_types);
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}
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}
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if (0 == senseair_send_retry || data_ready) {
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senseair_send_retry = 5;
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SenseairModbus->Send(SENSEAIR_DEVICE_ADDRESS, SENSEAIR_READ_REGISTER, (uint16_t)start_addresses[senseair_read_state], 1);
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if (error) {
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AddLog(LOG_LEVEL_DEBUG, PSTR(D_LOG_SENSEAIR "Reg %d error %d"), input_registers[senseair_read_state], error);
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} else {
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senseair_send_retry--;
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// Process register contents.
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switch(input_registers[senseair_read_state]) {
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case IR_METER_STATUS:
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switch (senseair_type) {
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case SENSOR_TYPE_S8: value &= 0x7f; break;
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case SENSOR_TYPE_S88: value &= 0xff; break;
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}
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if (value) {
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// Out of range or Warm Up is expected after power on
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AddLog(LOG_LEVEL_DEBUG, PSTR(D_LOG_SENSEAIR "Meter status 0x%04X"), value);
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}
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break;
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case IR_SPACE_CO2:
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senseair_co2 = value;
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#ifdef USE_LIGHT
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LightSetSignal(CO2_LOW, CO2_HIGH, senseair_co2);
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#endif // USE_LIGHT
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break;
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case IR_SPACE_TEMP:
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senseair_temperature = ConvertTemp((float)value / 100);
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break;
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case IR_SPACE_HUMIDITY:
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senseair_humidity = ConvertHumidity((float)value / 100);
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break;
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}
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}
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// }
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// Find the next register to be read.
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senseair_read_state++;
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uint8_t input_registers_loop_end;
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switch (senseair_type) {
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case SENSOR_TYPE_KX0:
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input_registers_loop_end = INPUT_REGISTERS_LOOP_END_KX0;
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break;
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case SENSOR_TYPE_S8:
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input_registers_loop_end = INPUT_REGISTERS_LOOP_END_S8;
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break;
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case SENSOR_TYPE_S88:
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input_registers_loop_end = INPUT_REGISTERS_LOOP_END_S88;
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break;
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}
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if (senseair_read_state == input_registers_loop_end) {
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if (senseair_type == SENSOR_TYPE_UNKNOWN) {
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senseair_read_state = 0;
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} else {
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senseair_read_state = INPUT_REGISTERS_LOOP_START;
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}
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}
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}
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if (0 == senseair_send_retry || data_ready) {
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// Send the command (again).
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senseair_send_retry = 5;
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SenseairModbus->Send(SENSEAIR_BROADCAST_ADDRESS, COMMAND_READ_INPUT_REGISTER, input_registers[senseair_read_state], 1);
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} else {
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senseair_send_retry--;
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}
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}
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/*********************************************************************************************/
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void SenseairInit(void)
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{
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senseair_type = 0;
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if (senseair_type != SENSOR_TYPE_INIT) {
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return;
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}
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senseair_type = SENSOR_TYPE_NONE;
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if (PinUsed(GPIO_SAIR_RX) && PinUsed(GPIO_SAIR_TX)) {
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SenseairModbus = new TasmotaModbus(Pin(GPIO_SAIR_RX), Pin(GPIO_SAIR_TX));
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uint8_t result = SenseairModbus->Begin(SENSEAIR_MODBUS_SPEED);
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if (result) {
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if (2 == result) { ClaimSerial(); }
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senseair_type = 1;
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if (result == 2) {
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// We have hardware serial, so claim it
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ClaimSerial();
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}
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senseair_type = SENSOR_TYPE_UNKNOWN;
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}
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}
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}
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void SenseairShow(bool json)
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void SenseairShow(uint32_t function)
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{
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GetTextIndexed(senseair_types, sizeof(senseair_types), senseair_type -1, kSenseairTypes);
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if (senseair_type < SENSOR_TYPE_KX0) {
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return;
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}
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if (json) {
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if (function == FUNC_JSON_APPEND) {
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ResponseAppend_P(PSTR(",\"%s\":{\"" D_JSON_CO2 "\":%d"), senseair_types, senseair_co2);
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if (senseair_type != 2) {
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ResponseAppend_P(PSTR(","));
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ResponseAppendTHD(senseair_temperature, senseair_humidity);
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}
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switch (senseair_type) {
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case SENSOR_TYPE_S88:
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ResponseAppend_P(PSTR(",\"" D_JSON_TEMPERATURE "\":%1_f"), &senseair_temperature);
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break;
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case SENSOR_TYPE_KX0:
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ResponseAppend_P(PSTR(","));
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ResponseAppendTHD(senseair_temperature, senseair_humidity);
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break;
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}
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ResponseJsonEnd();
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#ifdef USE_DOMOTICZ
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if (0 == TasmotaGlobal.tele_period) {
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@ -162,8 +247,13 @@ void SenseairShow(bool json)
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#ifdef USE_WEBSERVER
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} else {
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WSContentSend_PD(HTTP_SNS_CO2, senseair_types, senseair_co2);
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if (senseair_type != 2) {
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WSContentSend_THD(senseair_types, senseair_temperature, senseair_humidity);
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switch (senseair_type) {
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case SENSOR_TYPE_S88:
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WSContentSend_Temp(senseair_types, senseair_temperature);
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break;
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case SENSOR_TYPE_KX0:
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WSContentSend_THD(senseair_types, senseair_temperature, senseair_humidity);
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break;
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}
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#endif // USE_WEBSERVER
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}
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@ -175,27 +265,21 @@ void SenseairShow(bool json)
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bool Xsns17(uint32_t function)
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{
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bool result = false;
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if (senseair_type) {
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switch (function) {
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case FUNC_INIT:
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SenseairInit();
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break;
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case FUNC_EVERY_250_MSECOND:
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Senseair250ms();
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break;
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case FUNC_JSON_APPEND:
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SenseairShow(1);
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break;
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switch (function) {
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case FUNC_INIT:
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SenseairInit();
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break;
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case FUNC_EVERY_250_MSECOND:
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Senseair250ms();
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break;
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case FUNC_JSON_APPEND:
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#ifdef USE_WEBSERVER
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case FUNC_WEB_SENSOR:
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SenseairShow(0);
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break;
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case FUNC_WEB_SENSOR:
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#endif // USE_WEBSERVER
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}
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SenseairShow(function);
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break;
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}
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return result;
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return false;
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}
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#endif // USE_SENSEAIR
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