I uploaded the code again and now the error is only this:
rst:0x10 (RTCWDT_RTC_RESET),boot:0x13 (SPI_FAST_FLASH_BOOT)
configsip: 0, SPIWP:0xee
clk_drv:0x00,q_drv:0x00,d_drv:0x00,cs0_drv:0x00,hd_drv:0x00,wp_drv:0x00
mode:DIO, clock div:1
load:0x3fff0018,len:4
load:0xffffffff,len:-1
ets Jun 8 2016 00:22:57
The DHT DOUT is connected to P17 as also set in the code. The code I use is the ESP32 sketch:
#include "DHTesp.h" // Click here to get the library: http://librarymanager/All#DHTesp
#include <Ticker.h>
#ifndef ESP32
#pragma message(THIS EXAMPLE IS FOR ESP32 ONLY!)
#error Select ESP32 board.
#endif
//
/* Example how to read DHT sensors from an ESP32 using multi- /
/ tasking. /
/ This example depends on the Ticker library to wake up /
/ the task every 20 seconds */
//
DHTesp dht;
void tempTask(void *pvParameters);
bool getTemperature();
void triggerGetTemp();
/** Task handle for the light value read task /
TaskHandle_t tempTaskHandle = NULL;
/* Ticker for temperature reading /
Ticker tempTicker;
/* Comfort profile /
ComfortState cf;
/* Flag if task should run /
bool tasksEnabled = false;
/* Pin number for DHT11 data pin */
int dhtPin = 17;
/**
- initTemp
- Setup DHT library
- Setup task and timer for repeated measurement
-
@return bool
- true if task and timer are started
- false if task or timer couldn't be started
*/
bool initTemp() {
byte resultValue = 0;
// Initialize temperature sensor
dht.setup(dhtPin, DHTesp::DHT11);
Serial.println("DHT initiated");
// Start task to get temperature
xTaskCreatePinnedToCore(
tempTask, /* Function to implement the task /
"tempTask ", / Name of the task /
4000, / Stack size in words /
NULL, / Task input parameter /
5, / Priority of the task /
&tempTaskHandle, / Task handle. /
1); / Core where the task should run */
if (tempTaskHandle == NULL) {
Serial.println("Failed to start task for temperature update");
return false;
} else {
// Start update of environment data every 20 seconds
tempTicker.attach(20, triggerGetTemp);
}
return true;
}
/**
- triggerGetTemp
- Sets flag dhtUpdated to true for handling in loop()
- called by Ticker getTempTimer
*/
void triggerGetTemp() {
if (tempTaskHandle != NULL) {
xTaskResumeFromISR(tempTaskHandle);
}
}
/**
- Task to reads temperature from DHT11 sensor
-
@param pvParameters
- pointer to task parameters
*/
void tempTask(void *pvParameters) {
Serial.println("tempTask loop started");
while (1) // tempTask loop
{
if (tasksEnabled) {
// Get temperature values
getTemperature();
}
// Got sleep again
vTaskSuspend(NULL);
}
}
/**
- getTemperature
- Reads temperature from DHT11 sensor
-
@return bool
- true if temperature could be aquired
- false if aquisition failed
*/
bool getTemperature() {
// Reading temperature for humidity takes about 250 milliseconds!
// Sensor readings may also be up to 2 seconds 'old' (it's a very slow sensor)
TempAndHumidity newValues = dht.getTempAndHumidity();
// Check if any reads failed and exit early (to try again).
if (dht.getStatus() != 0) {
Serial.println("DHT11 error status: " + String(dht.getStatusString()));
return false;
}
float heatIndex = dht.computeHeatIndex(newValues.temperature, newValues.humidity);
float dewPoint = dht.computeDewPoint(newValues.temperature, newValues.humidity);
float cr = dht.getComfortRatio(cf, newValues.temperature, newValues.humidity);
String comfortStatus;
switch(cf) {
case Comfort_OK:
comfortStatus = "Comfort_OK";
break;
case Comfort_TooHot:
comfortStatus = "Comfort_TooHot";
break;
case Comfort_TooCold:
comfortStatus = "Comfort_TooCold";
break;
case Comfort_TooDry:
comfortStatus = "Comfort_TooDry";
break;
case Comfort_TooHumid:
comfortStatus = "Comfort_TooHumid";
break;
case Comfort_HotAndHumid:
comfortStatus = "Comfort_HotAndHumid";
break;
case Comfort_HotAndDry:
comfortStatus = "Comfort_HotAndDry";
break;
case Comfort_ColdAndHumid:
comfortStatus = "Comfort_ColdAndHumid";
break;
case Comfort_ColdAndDry:
comfortStatus = "Comfort_ColdAndDry";
break;
default:
comfortStatus = "Unknown:";
break;
};
Serial.println(" T:" + String(newValues.temperature) + " H:" + String(newValues.humidity) + " I:" + String(heatIndex) + " D:" + String(dewPoint) + " " + comfortStatus);
return true;
}
void setup()
{
Serial.begin(115200);
Serial.println();
Serial.println("DHT ESP32 example with tasks");
initTemp();
// Signal end of setup() to tasks
tasksEnabled = true;
}
void loop() {
if (!tasksEnabled) {
// Wait 2 seconds to let system settle down
delay(2000);
// Enable task that will read values from the DHT sensor
tasksEnabled = true;
if (tempTaskHandle != NULL) {
vTaskResume(tempTaskHandle);
}
}
yield();
}
