Soporte técnico del proyecto - reportando problemas de SW, errores (inglés): martinius96@gmail.com
Librerías disponibles para microcontroladores (Arduino/ESP)
Descomprima el archivo de la biblioteca (.zip) para C:/Users/[ACTUAL_USER]/Documents/Arduino/libraries
| Nombre de la biblioteca | Función de biblioteca | Descargar |
|---|---|---|
| NewPing |
Biblioteca para microcontroladores AVR (ATmega) Arduino Uno/Nano/Mega. Le permite realizar mediciones con sensores de distancia ultrasónicos RCW, US-XXX, IOE-SR0X, SR0X, HC-SR0X, HY-SRF0X, DYP-MEXXX, Parallax PING)))™. |
Descargar |
| NewPingESP8266 |
Biblioteca para microcontroladores ESP8266 y ESP32. Le permite realizar mediciones con sensores de distancia ultrasónicos RCW, US-XXX, IOE-SR0X, SR0X, HC-SR0X, HY-SRF0X, DYP-MEXXX, Parallax PING)))™. |
Descargar |
Los códigos fuente de muestra del proyecto del medidor de nivel están disponibles en Github, incluyen transferencia de datos a través de HTTP o HTTPS:
ESP32 con FreeRTOS, potencia ultrabaja, por aire, compatibilidad con ESP-IDF. WiFi/PHY Ethernet a través de la interfaz RMII
ESP8266 con potencia ultrabaja y soporte inalámbrico
Arduino con soporte para módulos Wiznet Ethernet
Sketches
HTTP - ESP32 + WiFi - FreeRTOS 
/*|-----------------------------------------------------------------------------------|*/
/*|Project: Water level monitor - HTTP - FreeRTOS - HC-SR04 / JSN-SR04T / HY-SRF05 |*/
/*|ESP32 (DevKit, Generic) |*/
/*|Autor: Martin Chlebovec (martinius96) |*/
/*|E-mail: martinius96@gmail.com |*/
/*|Project info: https://martinius96.github.io/hladinomer-studna-scripty/en/ |*/
/*|Test web interface: http://arduino.clanweb.eu/studna_s_prekladom/?lang=en |*/
/*|Buy me coffee: paypal.me/chlebovec |*/
/*|Revision: 11th September 2022 |*/
/*|-----------------------------------------------------------------------------------|*/
#include <WiFi.h>
#include <NewPingESP8266.h>
const char * ssid = "MY_WIFI"; //WiFi SSID name
const char * password = "MY_WIFI_PASSWORD"; //WiFi password
const char* host = "arduino.clanweb.eu"; //host (server)
String url = "/studna_s_prekladom/data.php"; //URL address to to target PHP file
#define pinTrigger 22
#define pinEcho 23
#define maxVzdialenost 450
NewPingESP8266 sonar(pinTrigger, pinEcho, maxVzdialenost);
TaskHandle_t Task1; //ULTRASONIC MEASUREMENT
TaskHandle_t Task2; //WIFI HTTP SOCKET
QueueHandle_t q = NULL;
WiFiClient client;
static void Task1code( void * parameter);
static void Task2code( void * parameter);
void setup() {
Serial.begin(115200);
WiFi.begin(ssid, password); //pripoj sa na wifi siet s heslom
while (WiFi.status() != WL_CONNECTED) {
delay(1000);
Serial.print(".");
}
Serial.println(F(""));
Serial.println(F("Wifi connected with IP:"));
Serial.println(WiFi.localIP());
q = xQueueCreate(20, sizeof(int));
if (q != NULL) {
Serial.println(F("Queue FIFO buffer is created"));
vTaskDelay(1000 / portTICK_PERIOD_MS); //wait for a second
xTaskCreatePinnedToCore(
Task1code, /* Task function. */
"Task1", /* name of task. */
10000, /* Stack size of task */
NULL, /* parameter of the task */
1, /* priority of the task */
&Task1, /* Task handle to keep track of created task */
1); /* pin task to core 1 */
Serial.println(F("Ultrasonic measurement task started"));
xTaskCreatePinnedToCore(
Task2code, /* Task function. */
"Task2", /* name of task. */
10000, /* Stack size of task */
NULL, /* parameter of the task */
1, /* priority of the task */
&Task2, /* Task handle to keep track of created task */
0); /* pin task to core 0 */
Serial.println(F("HTTP Socket task started"));
} else {
Serial.println(F("Queue creation failed"));
}
}
void loop() {
if (WiFi.status() != WL_CONNECTED) {
WiFi.begin(ssid, password); //pripoj sa na wifi siet s heslom
}
while (WiFi.status() != WL_CONNECTED) {
delay(500);
Serial.print(".");
}
yield();
}
static void Task1code( void * parameter) {
if (q == NULL) {
Serial.println(F("Queue in Measurement task is not ready"));
return;
}
while (1) {
int distance = sonar.ping_cm();
delay(50);
Serial.print(F("Test measurement: "));
Serial.print(distance);
Serial.println(F(" cm"));
if (distance > 0) {
distance = 0;
for (int i = 0; i < 10; i++) {
distance += sonar.ping_cm();
delay(50);
}
distance = distance / 10;
Serial.print(F("Distance to water level is: "));
Serial.print(distance);
Serial.println(F(" cm."));
xQueueSend(q, (void *)&distance, (TickType_t )0); //add the measurement value to Queue
for (int countdown = 300; countdown >= 0; countdown--) {
Serial.print(F("Next measurement in: "));
Serial.print(countdown);
Serial.println(F(" seconds"));
vTaskDelay(1000 / portTICK_PERIOD_MS);
}
}
}
}
static void Task2code( void * parameter) {
int distance;
if (q == NULL) {
Serial.println(F("Queue in HTTP socket task is not ready"));
return;
}
while (1) {
xQueuePeek(q, &distance, portMAX_DELAY); //read measurement value from Queue and run code below, if no value, WAIT....
String data = "hodnota=" + String(distance) + "&token=123456789";
client.stop();
if (client.connect(host, 80)) {
Serial.println(F("Connected to server successfully"));
client.println("POST " + url + " HTTP/1.0");
client.println("Host: " + (String)host);
client.println(F("User-Agent: ESP"));
client.println(F("Connection: close"));
client.println(F("Content-Type: application/x-www-form-urlencoded;"));
client.print(F("Content-Length: "));
client.println(data.length());
client.println();
client.println(data);
Serial.println(F("Datas were sent to server successfully"));
xQueueReset(q); //EMPTY QUEUE, IF REQUEST WAS SUCCESSFUL, OTHERWISE RUN REQUEST AGAIN
while (client.connected()) {
String line = client.readStringUntil('\n');
if (line == "\r") {
break;
}
}
String line = client.readStringUntil('\n');
} else {
Serial.println(F("Connection to webserver was NOT successful"));
}
client.stop();
}
}
HTTP - ESP32 + PHY Ethernet LAN8720 - FreeRTOS
/*|----------------------------------------------------------------------------|*/
/*|Project: Ultrasonic water level monitor - HC-SR04 / JSN-SR04T / HY-SRF05... |*/
/*|ESP32 (DevKit, Generic) + PHY Ethernet LAN8720 / TLK110, RMII interface |*/
/*|Author: Martin Chlebovec (martinius96) |*/
/*|E-mail: martinius96@gmail.com |*/
/*|Buy me a coffee at: paypal.me/chlebovec |*/
/*|Project info: https://martinius96.github.io/hladinomer-studna-scripty/en |*/
/*|Test web interface: http://arduino.clanweb.eu/studna_s_prekladom/?lang=en |*/
/*|Revision: 11. September 2022 |*/
/*|----------------------------------------------------------------------------|*/
#include <ETH.h>
#include <NewPingESP8266.h>
const char* host = "arduino.clanweb.eu"; //host (server)
String url = "/studna_s_prekladom/data.php"; //URL address to to target PHP file
boolean eth_state = false;
#define pinTrigger 4 //CONNECT TO TRIGGER PIN OF ULTRASONIC SENSOR
#define pinEcho 5 //CONNECT TO ECHO PIN OF ULTRASONIC SENSOR
#define maxVzdialenost 450
NewPingESP8266 sonar(pinTrigger, pinEcho, maxVzdialenost);
/*
ETH_CLOCK_GPIO0_IN - default: external clock from crystal oscillator
ETH_CLOCK_GPIO0_OUT - 50MHz clock from internal APLL output on GPIO0 - possibly an inverter is needed for LAN8720
ETH_CLOCK_GPIO16_OUT - 50MHz clock from internal APLL output on GPIO16 - possibly an inverter is needed for LAN8720
ETH_CLOCK_GPIO17_OUT - 50MHz clock from internal APLL inverted output on GPIO17 - tested with LAN8720
*/
#ifdef ETH_CLK_MODE
#undef ETH_CLK_MODE
#endif
#define ETH_CLK_MODE ETH_CLOCK_GPIO17_OUT
// Pin# of the enable signal for the external crystal oscillator (-1 to disable for internal APLL source)
#define ETH_POWER_PIN -1
// Type of the Ethernet PHY (LAN8720 or TLK110)
#define ETH_TYPE ETH_PHY_LAN8720
// I2C-address of Ethernet PHY (0 or 1 for LAN8720, 31 for TLK110)
#define ETH_ADDR 1
// Pin# of the I2C clock signal for the Ethernet PHY, DONT USE THIS PIN FOR ultrasonic sensor in this sketch
#define ETH_MDC_PIN 23
// Pin# of the I2C IO signal for the Ethernet PHY
#define ETH_MDIO_PIN 18
TaskHandle_t Task1; //ULTRASONIC MEASUREMENT
TaskHandle_t Task2; //PHY ETHERNET HTTP SOCKET
QueueHandle_t q = NULL;
WiFiClient client;
static void Task1code( void * parameter);
static void Task2code( void * parameter);
void WiFiEvent(WiFiEvent_t event);
void setup() {
Serial.begin(115200);
WiFi.onEvent(WiFiEvent);
ETH.begin(ETH_ADDR, ETH_POWER_PIN, ETH_MDC_PIN, ETH_MDIO_PIN, ETH_TYPE, ETH_CLK_MODE);
delay(5000);
q = xQueueCreate(20, sizeof(int));
if (q != NULL) {
Serial.println(F("Queue FIFO buffer is created"));
vTaskDelay(1000 / portTICK_PERIOD_MS); //wait for a second
xTaskCreatePinnedToCore(
Task1code, /* Task function. */
"Task1", /* name of task. */
10000, /* Stack size of task */
NULL, /* parameter of the task */
1, /* priority of the task */
&Task1, /* Task handle to keep track of created task */
1); /* pin task to core 1 */
Serial.println(F("Ultrasonic measurement task started"));
xTaskCreatePinnedToCore(
Task2code, /* Task function. */
"Task2", /* name of task. */
10000, /* Stack size of task */
NULL, /* parameter of the task */
1, /* priority of the task */
&Task2, /* Task handle to keep track of created task */
0); /* pin task to core 0 */
Serial.println(F("HTTP Socket task started"));
} else {
Serial.println(F("Queue creation failed"));
}
}
void loop() {
yield();
}
static void Task1code( void * parameter) {
if (q == NULL) {
Serial.println(F("Queue in Measurement task is not ready"));
return;
}
while (1) {
int distance = sonar.ping_cm();
delay(50);
Serial.print(F("Test measurement: "));
Serial.print(distance);
Serial.println(F(" cm"));
if (distance > 0) {
distance = 0;
for (int i = 0; i < 10; i++) {
distance += sonar.ping_cm();
delay(50);
}
distance = distance / 10;
Serial.print(F("Distance to water level is: "));
Serial.print(distance);
Serial.println(F(" cm."));
xQueueSend(q, (void *)&distance, (TickType_t )0); //add the measurement value to Queue
for (int countdown = 300; countdown >= 0; countdown--) {
Serial.print(F("Next measurement in: "));
Serial.print(countdown);
Serial.println(F(" seconds"));
vTaskDelay(1000 / portTICK_PERIOD_MS);
}
}
}
}
static void Task2code( void * parameter) {
int distance;
if (q == NULL) {
Serial.println(F("Queue in HTTP socket task is not ready"));
return;
}
while (1) {
xQueuePeek(q, &distance, portMAX_DELAY); //read measurement value from Queue and run code below, if no value, WAIT....
String data = "hodnota=" + String(distance) + "&token=123456789";
client.stop();
while (eth_state != true) {
vTaskDelay(1 / portTICK_PERIOD_MS);
}
if (client.connect(host, 80)) {
Serial.println(F("Connected to server successfully"));
client.println("POST " + url + " HTTP/1.0");
client.println("Host: " + (String)host);
client.println(F("User-Agent: ESP"));
client.println(F("Connection: close"));
client.println(F("Content-Type: application/x-www-form-urlencoded;"));
client.print(F("Content-Length: "));
client.println(data.length());
client.println();
client.println(data);
Serial.println(F("Datas were sent to server successfully"));
xQueueReset(q); //EMPTY QUEUE, IF REQUEST WAS SUCCESSFUL, OTHERWISE RUN REQUEST AGAIN
while (client.connected()) {
String line = client.readStringUntil('\n');
if (line == "\r") {
break;
}
}
String line = client.readStringUntil('\n');
} else {
Serial.println(F("Connection to webserver was NOT successful"));
}
yield();
client.stop();
}
}
void WiFiEvent(WiFiEvent_t event)
{
switch (event) {
case ARDUINO_EVENT_ETH_START:
eth_state = false;
Serial.println("ETH Started");
//set eth hostname here
ETH.setHostname("esp32-ethernet");
break;
case ARDUINO_EVENT_ETH_CONNECTED:
eth_state = false;
Serial.println("ETH Connected");
break;
case ARDUINO_EVENT_ETH_GOT_IP:
eth_state = true;
Serial.print("ETH MAC: ");
Serial.print(ETH.macAddress());
Serial.print(", IPv4: ");
Serial.print(ETH.localIP());
if (ETH.fullDuplex()) {
Serial.print(", FULL_DUPLEX");
}
Serial.print(", ");
Serial.print(ETH.linkSpeed());
Serial.println("Mbps");
break;
case ARDUINO_EVENT_ETH_DISCONNECTED:
eth_state = false;
Serial.println("ETH Disconnected");
break;
case ARDUINO_EVENT_ETH_STOP:
eth_state = false;
Serial.println("ETH Stopped");
break;
default:
break;
}
}