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Dooho Yi 2023-05-30 01:58:02 +09:00
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203
cfirmata_esp.ino Normal file
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//
// configurablefirmata_esp8266
//
// D. Yi @ 2023 5 23
//
#define WIRELESS
#if defined(WIRELESS)
//wi-fi
#include <ESP8266WiFi.h>
//network!
const char* ssid = "esp1";
const char* password = "1111100000";
const int NETWORK_PORT = 27016;
// IPAddress local_IP(192, 168, 137, 111);
// IPAddress gateway(192, 168, 137, 1);
// IPAddress subnet(255, 255, 255, 0);
//wi-fi event handlers : re-connect automatically
WiFiEventHandler wifiConnectHandler;
WiFiEventHandler wifiDisconnectHandler;
void onWifiConnect(const WiFiEventStationModeGotIP& event) {
Serial.println("Connected to Wi-Fi sucessfully.");
Serial.print("IP address: ");
Serial.println("Mac address: " + WiFi.macAddress());
Serial.println(WiFi.localIP());
digitalWrite(2, HIGH);
}
void onWifiDisconnect(const WiFiEventStationModeDisconnected& event) {
Serial.println("Disconnected from Wi-Fi, trying to reconnect...");
WiFi.disconnect();
WiFi.begin(ssid, password);
digitalWrite(2, LOW);
}
#endif
//firmata over wi-fi
#include <ConfigurableFirmata.h>
#if defined(WIRELESS)
#include "utility/WiFiClientStream.h"
#include "utility/WiFiServerStream.h"
WiFiServerStream serverStream(NETWORK_PORT);
//firmware update over the air
#include <ArduinoOTA.h>
#endif
//handle digitalWrite
byte previousPORT[TOTAL_PORTS];
void digitalWriteCallback(byte port, int value)
{
byte i;
byte currentPinValue, previousPinValue;
if (port < TOTAL_PORTS && value != previousPORT[port]) {
for (i = 0; i < 8; i++) {
currentPinValue = (byte) value & (1 << i);
previousPinValue = previousPORT[port] & (1 << i);
if (currentPinValue != previousPinValue) {
digitalWrite(i + (port * 8), currentPinValue);
}
}
previousPORT[port] = value;
}
}
////
void setup()
{
//pinmodes
//digital inputs
pinMode(D1, INPUT_PULLUP);
pinMode(D2, INPUT_PULLUP);
pinMode(D3, INPUT_PULLUP);
pinMode(D5, INPUT_PULLUP);
pinMode(D6, INPUT_PULLUP);
pinMode(D7, INPUT_PULLUP);
//digital outputs
pinMode(D4, OUTPUT); //build-in LED && also used as wifi indicator!
#if defined(WIRELESS)
digitalWrite(D4, LOW); //LOW ==> LED ON ==> 'wifi. disconnected.'
#else
digitalWrite(D4, HIGH); //HIGH ==> LED OFF
#endif
//serial (for debug & info)
Serial.begin(57600);
#if defined(WIRELESS)
//wifi
wifiConnectHandler = WiFi.onStationModeGotIP(onWifiConnect);
wifiDisconnectHandler = WiFi.onStationModeDisconnected(onWifiDisconnect);
WiFi.mode(WIFI_STA);
//Connect to WiFi network
Serial.println();
Serial.println();
Serial.print("Connecting to ");
Serial.println(ssid);
// if (!WiFi.config(local_IP, gateway, subnet)) {
// Serial.println("STA Failed to configure");
// }
WiFi.begin(ssid, password);
while (WiFi.status() != WL_CONNECTED) {
// Serial.print(".");
delay(500);
}
Serial.println("");
#endif
//firmata
Firmata.disableBlinkVersion();
Firmata.attach(DIGITAL_MESSAGE, digitalWriteCallback);
#if defined(WIRELESS)
Firmata.begin(serverStream);
#else
Firmata.begin(Serial);
#endif
#if defined(WIRELESS)
//ota
ArduinoOTA.onStart([]() {
Serial.println("Start");
});
ArduinoOTA.onEnd([]() {
Serial.println("\nEnd");
});
ArduinoOTA.onProgress([](unsigned int progress, unsigned int total) {
Serial.printf("Progress: %u%%\r", (progress / (total / 100)));
});
ArduinoOTA.onError([](ota_error_t error) {
Serial.printf("Error[%u]: ", error);
if (error == OTA_AUTH_ERROR) Serial.println("Auth Failed");
else if (error == OTA_BEGIN_ERROR) Serial.println("Begin Failed");
else if (error == OTA_CONNECT_ERROR) Serial.println("Connect Failed");
else if (error == OTA_RECEIVE_ERROR) Serial.println("Receive Failed");
else if (error == OTA_END_ERROR) Serial.println("End Failed");
});
ArduinoOTA.begin();
#endif
}
void loop()
{
// loop frequency = 50hz (20 ms)
static unsigned long last = 0;
unsigned long now = millis();
if (now > last + 20) {
last = now;
//
static int counter = 0;
counter++;
if (counter == 1000) counter = 0;
//digital
//==> https://randomnerdtutorials.com/esp8266-pinout-reference-gpios/
byte port = 0;
static byte port0_prev = 0;
port = 0x00;
port |= (0 ? 0x01 : 0x00); // EXCLUDED ==> no interrupt.. let's just leave it.
port |= (digitalRead(D1) ? 0x02 : 0x00);
port |= (digitalRead(D2) ? 0x04 : 0x00);
port |= (digitalRead(D3) ? 0x08 : 0x00); // by design, PULLED-UP, being used for the FLASH button.
port |= (0 ? 0x10 : 0x00); // EXCLUDED ==> LED output
port |= (digitalRead(D5) ? 0x20 : 0x00);
port |= (digitalRead(D6) ? 0x40 : 0x00);
port |= (digitalRead(D7) ? 0x80 : 0x00);
if (port0_prev != port) Firmata.sendDigitalPort(0, port);
port0_prev = port;
//analog 0
Firmata.sendAnalog(0, analogRead(0));
//send out alive counter every 1sec. (50 counts x 20ms == 1 sec.)
if (counter % 50 == 0) {
static int alivecounter = 0;
Firmata.sendAnalog(1, alivecounter);
alivecounter++;
if (alivecounter == 1000) alivecounter = 0;
}
}
//process firmata stream
while (Firmata.available()) {
Firmata.processInput();
}
#if defined(WIRELESS)
//firmata over wi-fi
serverStream.maintain();
//
ArduinoOTA.handle();
#endif
//for wdt
yield();
}

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