Add description
Jarda
parent
93e0abe9bc
commit
7e23e437d6
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@ -1,3 +1,9 @@
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/* Webserver reads from SD text file test for LaskaKit ESPlan
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* After boot connect to http://esplan.local or to IP adress of ESP32 (for example 192.168.0.98)
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* Email:podpora@laskakit.cz
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* Web:laskakit.cz
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*/
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#include <Arduino.h>
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#include <WiFi.h>
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#include <ETH.h>
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@ -8,7 +14,7 @@
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#include <FS.h>
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#include "page.h"
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const char *host = "esplan"; // Connect to http://ESPlan.local
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const char *host = "esplan"; // Connect to http://esplan.local
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// SD card defines
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#define SCK 14
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@ -21,224 +27,226 @@ SPIClass spi = SPIClass(HSPI);
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WebServer server(80);
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// LAN8720A parameters
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#define ETH_POWER_PIN -1
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#define ETH_ADDR 0
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#define ETH_MDC_PIN 23
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#define ETH_MDIO_PIN 18
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#define ETH_NRST_PIN 5
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#define ETH_POWER_PIN -1
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#define ETH_ADDR 0
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#define ETH_MDC_PIN 23
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#define ETH_MDIO_PIN 18
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#define ETH_NRST_PIN 5
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static bool eth_connected = false;
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void WiFiEvent(WiFiEvent_t event)
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{
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switch (event) {
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switch (event)
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{
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case ARDUINO_EVENT_ETH_START:
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Serial.println("ETH Started");
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//set eth hostname here
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ETH.setHostname("esplan");
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break;
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Serial.println("ETH Started");
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// set eth hostname here
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ETH.setHostname("esplan");
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break;
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case ARDUINO_EVENT_ETH_CONNECTED:
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Serial.println("ETH Connected");
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break;
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Serial.println("ETH Connected");
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break;
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case ARDUINO_EVENT_ETH_GOT_IP:
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Serial.print("ETH MAC: ");
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Serial.print(ETH.macAddress());
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Serial.print(", IPv4: ");
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Serial.print(ETH.localIP());
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if (ETH.fullDuplex()) {
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Serial.print(", FULL_DUPLEX");
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}
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Serial.print(", ");
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Serial.print(ETH.linkSpeed());
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Serial.println("Mbps");
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eth_connected = true;
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break;
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Serial.print("ETH MAC: ");
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Serial.print(ETH.macAddress());
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Serial.print(", IPv4: ");
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Serial.print(ETH.localIP());
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if (ETH.fullDuplex())
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{
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Serial.print(", FULL_DUPLEX");
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}
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Serial.print(", ");
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Serial.print(ETH.linkSpeed());
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Serial.println("Mbps");
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eth_connected = true;
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break;
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case ARDUINO_EVENT_ETH_DISCONNECTED:
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Serial.println("ETH Disconnected");
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eth_connected = false;
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break;
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Serial.println("ETH Disconnected");
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eth_connected = false;
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break;
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case ARDUINO_EVENT_ETH_STOP:
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Serial.println("ETH Stopped");
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eth_connected = false;
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break;
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Serial.println("ETH Stopped");
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eth_connected = false;
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break;
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default:
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break;
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}
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break;
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}
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}
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void readFile(fs::FS &fs, const char *path)
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{
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char text[100] = {0};
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char out[100] = {0};
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uint8_t i = 0;
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Serial.printf("Reading file: %s\n", path);
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char text[100] = {0};
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char out[100] = {0};
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uint8_t i = 0;
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Serial.printf("Reading file: %s\n", path);
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File file = fs.open(path);
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if (!file)
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{
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Serial.println("Failed to open file for reading");
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return;
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}
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Serial.print("Read from file: ");
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while (file.available())
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{
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text[i] = file.read();
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if(text[i++] == '\n')
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File file = fs.open(path);
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if (!file)
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{
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Serial.print(text);
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sprintf(out, "<p>%s</p>", text);
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server.sendContent(out);
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memset(text, 0, 99*sizeof(*text));
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memset(out, 0, 99*sizeof(*out));
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i = 0;
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Serial.println("Failed to open file for reading");
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return;
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}
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}
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file.close();
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Serial.print("Read from file: ");
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while (file.available())
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{
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text[i] = file.read();
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if (text[i++] == '\n')
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{
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Serial.print(text);
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sprintf(out, "<p>%s</p>", text);
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server.sendContent(out);
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memset(text, 0, 99 * sizeof(*text));
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memset(out, 0, 99 * sizeof(*out));
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i = 0;
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}
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}
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file.close();
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}
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void writeFile(fs::FS &fs, const char *path, const char *message)
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{
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Serial.printf("Writing file: %s\n", path);
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Serial.printf("Writing file: %s\n", path);
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File file = fs.open(path, FILE_WRITE);
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if (!file)
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{
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Serial.println("Failed to open file for writing");
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return;
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}
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if (file.print(message))
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{
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Serial.println("File written");
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}
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else
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{
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Serial.println("Write failed");
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}
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file.close();
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File file = fs.open(path, FILE_WRITE);
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if (!file)
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{
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Serial.println("Failed to open file for writing");
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return;
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}
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if (file.print(message))
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{
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Serial.println("File written");
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}
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else
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{
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Serial.println("Write failed");
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}
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file.close();
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}
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uint8_t appendFile(fs::FS &fs, const char *path, const char *message)
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{
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Serial.printf("Appending to file: %s\n", path);
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Serial.printf("Appending to file: %s\n", path);
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File file = fs.open(path, FILE_APPEND);
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if (!file)
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{
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Serial.println("Failed to open file for appending");
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return 1;
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}
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if (file.print(message))
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{
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Serial.println("Message appended");
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file.close();
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return 0;
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}
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else
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{
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Serial.println("Append failed");
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file.close();
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return 1;
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}
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File file = fs.open(path, FILE_APPEND);
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if (!file)
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{
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Serial.println("Failed to open file for appending");
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return 1;
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}
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if (file.print(message))
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{
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Serial.println("Message appended");
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file.close();
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return 0;
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}
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else
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{
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Serial.println("Append failed");
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file.close();
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return 1;
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}
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}
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void handleRoot()
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{
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server.setContentLength(CONTENT_LENGTH_UNKNOWN);
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server.send_P(200, "text/html", index_html);
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spi.begin(SCK, MISO, MOSI, CS);
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if (SD.begin(CS, spi))
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{
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Serial.println("SD Card initialized.");
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readFile(SD, "/output.txt");
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}
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else
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{
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server.sendContent("<p style= \"color:rgb(255, 0, 0);\">SD card not found!</p>");
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}
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server.sendContent("</body>");
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server.sendContent(""); // This ends sending
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SD.end();
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spi.end();
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server.setContentLength(CONTENT_LENGTH_UNKNOWN);
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server.send_P(200, "text/html", index_html);
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spi.begin(SCK, MISO, MOSI, CS);
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if (SD.begin(CS, spi))
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{
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Serial.println("SD Card initialized.");
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readFile(SD, "/output.txt");
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}
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else
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{
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server.sendContent("<p style= \"color:rgb(255, 0, 0);\">SD card not found!</p>");
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}
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server.sendContent("</body>");
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server.sendContent(""); // This ends sending
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SD.end();
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spi.end();
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}
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void handleSubmit()
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{
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char text[100] = {0};
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spi.begin(SCK, MISO, MOSI, CS);
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if (SD.begin(CS, spi))
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{
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Serial.println("SD Card initialized.");
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sprintf(text, "%s\n", server.arg(0).c_str());
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Serial.println(server.arg(0));
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if (appendFile(SD, "/output.txt", text))
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char text[100] = {0};
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spi.begin(SCK, MISO, MOSI, CS);
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if (SD.begin(CS, spi))
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{
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writeFile(SD, "/output.txt", text);
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Serial.println("SD Card initialized.");
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sprintf(text, "%s\n", server.arg(0).c_str());
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Serial.println(server.arg(0));
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if (appendFile(SD, "/output.txt", text))
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{
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writeFile(SD, "/output.txt", text);
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}
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}
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}
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SD.end();
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spi.end();
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handleRoot();
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SD.end();
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spi.end();
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handleRoot();
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}
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void handleNotFound()
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{
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String message = "Error\n\n";
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message += "URI: ";
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message += server.uri();
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message += "\nMethod: ";
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message += (server.method() == HTTP_GET) ? "GET" : "POST";
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message += "\nArguments: ";
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message += server.args();
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message += "\n";
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for (uint8_t i = 0; i < server.args(); i++)
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{
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message += " " + server.argName(i) + ": " + server.arg(i) + "\n";
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}
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server.send(404, "text/plain", message);
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String message = "Error\n\n";
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message += "URI: ";
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message += server.uri();
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message += "\nMethod: ";
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message += (server.method() == HTTP_GET) ? "GET" : "POST";
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message += "\nArguments: ";
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message += server.args();
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message += "\n";
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for (uint8_t i = 0; i < server.args(); i++)
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{
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message += " " + server.argName(i) + ": " + server.arg(i) + "\n";
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}
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server.send(404, "text/plain", message);
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}
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void DNS_setup()
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{
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if (MDNS.begin(host))
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{
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MDNS.addService("http", "tcp", 80);
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Serial.println("MDNS responder started");
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Serial.print("You can now connect to http://");
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Serial.print(host);
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Serial.println(".local");
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}
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if (MDNS.begin(host))
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{
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MDNS.addService("http", "tcp", 80);
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Serial.println("MDNS responder started");
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Serial.print("You can now connect to http://");
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Serial.print(host);
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Serial.println(".local");
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}
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}
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void setup()
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{
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Serial.begin(115200);
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// For reseting LAN8720A
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pinMode(ETH_NRST_PIN, OUTPUT);
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digitalWrite(ETH_NRST_PIN, LOW);
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delay(500);
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digitalWrite(ETH_NRST_PIN, HIGH);
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Serial.begin(115200);
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// For reseting LAN8720A
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pinMode(ETH_NRST_PIN, OUTPUT);
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digitalWrite(ETH_NRST_PIN, LOW);
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delay(500);
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digitalWrite(ETH_NRST_PIN, HIGH);
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WiFi.onEvent(WiFiEvent);
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ETH.begin(ETH_ADDR, ETH_POWER_PIN, ETH_MDC_PIN, ETH_MDIO_PIN, ETH_PHY_LAN8720, ETH_CLOCK_GPIO17_OUT);
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WiFi.onEvent(WiFiEvent);
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ETH.begin(ETH_ADDR, ETH_POWER_PIN, ETH_MDC_PIN, ETH_MDIO_PIN, ETH_PHY_LAN8720, ETH_CLOCK_GPIO17_OUT);
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DNS_setup();
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DNS_setup();
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server.on("/", handleRoot); // Main page
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server.on("/", handleRoot); // Main page
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server.on("/get", handleSubmit); // Function done on GET request
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server.on("/get", handleSubmit); // Function done on GET request
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server.onNotFound(handleNotFound); // Function done when hangle is not found
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server.onNotFound(handleNotFound); // Function done when hangle is not found
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server.begin();
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Serial.println("HTTP server started");
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server.begin();
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Serial.println("HTTP server started");
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}
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void loop()
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{
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if(eth_connected)
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{
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server.handleClient();
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}
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delay(2); // allow the cpu to switch to other tasks
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if (eth_connected)
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{
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server.handleClient();
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}
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delay(2); // allow the cpu to switch to other tasks
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}
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