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Add ESP32 internal temperature measurement and automatic Actuator switch Off #1384

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merged 3 commits into from
Jan 10, 2023
Merged

Add ESP32 internal temperature measurement and automatic Actuator switch Off #1384

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312519f
Add automatic stop of relay following ESP32 temperature
1technophile Jan 6, 2023
c4153d7
Temp update and error log
1technophile Jan 10, 2023
70a734b
Update ZactuatorONOFF.ino
1technophile Jan 10, 2023
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20 changes: 20 additions & 0 deletions main/ZactuatorONOFF.ino
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Original file line number Diff line number Diff line change
Expand Up @@ -29,6 +29,7 @@
#include "User_config.h"

#ifdef ZactuatorONOFF
unsigned long timeinttemp = 0;

void setupONOFF() {
pinMode(ACTUATOR_ONOFF_GPIO, OUTPUT);
Expand Down Expand Up @@ -103,6 +104,25 @@ void MQTTtoONOFF(char* topicOri, char* datacallback) {
}
# endif

//Check regularly temperature of the ESP32 board and switch OFF the relay if temperature is more than MAX_TEMP_ACTUATOR
# ifdef MAX_TEMP_ACTUATOR
void OverHeatingRelayOFF() {
# if defined(ESP32) && defined(SENS_SAR_MEAS_WAIT2_REG) // This macro is necessary to retrieve temperature and not present with S3 and C3 environment
if (millis() > (timeinttemp + TimeBetweenReadingIntTemp)) {
float internalTempc = intTemperatureRead();
Log.trace(F("Internal temperature of the ESP32 %F" CR), internalTempc);
if (internalTempc > MAX_TEMP_ACTUATOR && digitalRead(ACTUATOR_ONOFF_GPIO) == ACTUATOR_ON) {
Log.error(F("[ActuatorONOFF] OverTemperature detected ( %F > %F ) switching OFF Actuator" CR), internalTempc, MAX_TEMP_ACTUATOR);
ActuatorManualTrigger(!ACTUATOR_ON);
}
timeinttemp = millis();
}
# endif
}
# else
void OverHeatingRelayOFF() {}
# endif

void ActuatorManualTrigger(uint8_t level) {
# ifdef ACTUATOR_BUTTON_TRIGGER_LEVEL
if (level == ACTUATOR_BUTTON_TRIGGER_LEVEL) {
Expand Down
9 changes: 9 additions & 0 deletions main/ZmqttDiscovery.ino
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Original file line number Diff line number Diff line change
Expand Up @@ -421,6 +421,15 @@ void pubMqttDiscovery() {
# endif
# endif
# ifdef ESP32
createDiscovery("sensor", //set Type
subjectSYStoMQTT, "SYS: Internal temperature", (char*)getUniqueId("tempc", "").c_str(), //set state_topic,name,uniqueId
"", "temperature", "{{ value_json.tempc }}", //set availability_topic,device_class,value_template,
"", "", "°C", //set,payload_on,payload_off,unit_of_meas,
0, //set off_delay
"", "", true, "", //set,payload_avalaible,payload_not avalaible ,is a gateway entity, command topic
"", "", "", "", false, // device name, device manufacturer, device model, device MAC
stateClassMeasurement //State Class
);
# ifdef ZgatewayBT
createDiscovery("sensor", //set Type
subjectSYStoMQTT, "SYS: Low Power Mode", (char*)getUniqueId("lowpowermode", "").c_str(), //set state_topic,name,uniqueId
Expand Down
7 changes: 6 additions & 1 deletion main/config_ONOFF.h
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Original file line number Diff line number Diff line change
Expand Up @@ -46,7 +46,12 @@ extern void MQTTtoONOFF(char* topicOri, JsonObject& RFdata);
#ifndef ACTUATOR_TRIGGER
# define ACTUATOR_TRIGGER false // false or true, enable to control an actuator directly from the board switch (default behavior if true), or by button if ACTUATOR_BUTTON_TRIGGER_LEVEL is defined
#endif

#ifndef MAX_TEMP_ACTUATOR
//# define MAX_TEMP_ACTUATOR 70 // Temperature that will trigger the relay to go OFF
#endif
#ifndef TimeBetweenReadingIntTemp
# define TimeBetweenReadingIntTemp 5000 // Time interval between internal temp measurement to switch off the relay if MAX_TEMP_ACTUATOR is reached
#endif
/*-------------------PIN DEFINITIONS----------------------*/
// default pin, if not set into the MQTT json
#ifndef ACTUATOR_ONOFF_GPIO
Expand Down
35 changes: 34 additions & 1 deletion main/main.ino
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Expand Up @@ -227,6 +227,14 @@ static String ota_server_cert = "";

bool ProcessLock = false; // Process lock when we want to use a critical function like OTA for example

# if defined(SENS_SAR_MEAS_WAIT2_REG)
// ESP32 internal temperature reading
# include <stdio.h>

# include "rom/ets_sys.h"
# include "soc/rtc_cntl_reg.h"
# include "soc/sens_reg.h"
# endif
# ifdef ESP32_ETHERNET
# include <ETH.h>
void WiFiEvent(WiFiEvent_t event);
Expand Down Expand Up @@ -1576,6 +1584,9 @@ void loop() {
#ifdef ZactuatorFASTLED
FASTLEDLoop();
#endif
#ifdef ZactuatorONOFF
OverHeatingRelayOFF();
#endif
#ifdef ZactuatorPWM
PWMLoop();
#endif
Expand Down Expand Up @@ -1631,20 +1642,42 @@ unsigned long uptime() {
return uptime;
}

/**
* Calculate internal ESP32 temperature
*/
#if defined(ESP32) && defined(SENS_SAR_MEAS_WAIT2_REG)
float intTemperatureRead() {
SET_PERI_REG_BITS(SENS_SAR_MEAS_WAIT2_REG, SENS_FORCE_XPD_SAR, 3, SENS_FORCE_XPD_SAR_S);
SET_PERI_REG_BITS(SENS_SAR_TSENS_CTRL_REG, SENS_TSENS_CLK_DIV, 10, SENS_TSENS_CLK_DIV_S);
CLEAR_PERI_REG_MASK(SENS_SAR_TSENS_CTRL_REG, SENS_TSENS_POWER_UP);
CLEAR_PERI_REG_MASK(SENS_SAR_TSENS_CTRL_REG, SENS_TSENS_DUMP_OUT);
SET_PERI_REG_MASK(SENS_SAR_TSENS_CTRL_REG, SENS_TSENS_POWER_UP_FORCE);
SET_PERI_REG_MASK(SENS_SAR_TSENS_CTRL_REG, SENS_TSENS_POWER_UP);
ets_delay_us(100);
SET_PERI_REG_MASK(SENS_SAR_TSENS_CTRL_REG, SENS_TSENS_DUMP_OUT);
ets_delay_us(5);
float temp_f = (float)GET_PERI_REG_BITS2(SENS_SAR_SLAVE_ADDR3_REG, SENS_TSENS_OUT, SENS_TSENS_OUT_S);
float temp_c = (temp_f - 32) / 1.8;
return temp_c;
}
#endif

#if defined(ESP8266) || defined(ESP32) || defined(__AVR_ATmega2560__) || defined(__AVR_ATmega1280__)
void stateMeasures() {
StaticJsonDocument<JSON_MSG_BUFFER> jsonBuffer;
JsonObject SYSdata = jsonBuffer.to<JsonObject>();
SYSdata["uptime"] = uptime();
SYSdata["version"] = OMG_VERSION;
Log.trace(F("retrieving value of system characteristics Uptime (s):%u" CR), uptime());
# if defined(ESP8266) || defined(ESP32)
uint32_t freeMem;
freeMem = ESP.getFreeHeap();
SYSdata["freemem"] = freeMem;
SYSdata["mqttport"] = mqtt_port;
SYSdata["mqttsecure"] = mqtt_secure;
# ifdef ESP32
# ifdef SENS_SAR_MEAS_WAIT2_REG // This macro is necessary to retrieve temperature and not present with S3 and C3 environment
SYSdata["tempc"] = intTemperatureRead();
# endif
SYSdata["freestack"] = uxTaskGetStackHighWaterMark(NULL);
# endif
# ifdef ESP32_ETHERNET
Expand Down
5 changes: 4 additions & 1 deletion platformio.ini
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Original file line number Diff line number Diff line change
Expand Up @@ -66,6 +66,8 @@ extra_configs =
;default_envs = heltec-wifi-lora-32-868
;default_envs = heltec-wifi-lora-32-915
;default_envs = heltec-rtl_433
;default_envs = esp32c3-dev-m1-ble
;default_envs = esp32s3-dev-c1-ble
;default_envs = nodemcuv2-rf
;default_envs = nodemcuv2-rf-cc1101
;default_envs = nodemcuv2-somfy-cc1101
Expand Down Expand Up @@ -1041,13 +1043,14 @@ build_flags =
'-DZactuatorONOFF="ONOFF"'
'-DACTUATOR_ON=1'
'-DACTUATOR_OFF=0'
'-ACTUATOR_TRIGGER=true'
'-DACTUATOR_TRIGGER=true'
'-DZsensorGPIOInput="GPIOInput"'
'-DINPUT_GPIO=4'
'-DGPIO_INPUT_TYPE=INPUT'
'-DACTUATOR_ONOFF_GPIO=26'
'-DZsensorADC="ADC"'
'-DADC_GPIO=32'
'-DMAX_TEMP_ACTUATOR=70'
'-DUSE_MAC_AS_GATEWAY_NAME'
'-DFRAMEWORK_ARDUINO_SOLO1'
'-DGATEWAY_MANUFACTURER="Shelly"'
Expand Down