#include <ESP8266WebServer.h>
#include <DMDESP.h>
#include <DMD.h>
#include <fonts/ElektronMart6x12.h>
#include <fonts/Mono5x7.h>
#include <fonts/EMSans8x16.h>
#include "Arial_black_16.h"
const char* ssid = "NodeMCU_ESP8266";
const char* password = "goodluck";
ESP8266WebServer server(80);
#define DISPLAYS_WIDE 6
#define DISPLAYS_HIGH 1
DMDESP Disp(DISPLAYS_WIDE, DISPLAYS_HIGH);
char *Text = "Hello";
char *DC = "123456";
char *date = "01-01-24";
char Fuels[4][8] = {"00.00", "00.00", "000.0","000.0"};
String Incoming_Text = "";
bool scrollComplete = false; // Flag to track when scrolling is complete
const char MAIN_page[] PROGMEM = R"=====(
)=====";
void handleRoot() {
server.send(200, "text/html", MAIN_page);
}
void handle_Incoming_Text() {
Incoming_Text = server.arg("TextContents");
server.send(200, "text/plain", "");
Process_Incoming_Text();
}
void Process_Incoming_Text() {
delay(500);
Serial.println("Incoming text : ");
Serial.println(Incoming_Text);
Serial.println();
int str_len = Incoming_Text.length() + 1;
char char_array[str_len];
Incoming_Text.toCharArray(char_array, str_len);
strcpy(Text, char_array);
Incoming_Text = "";
}
void setup() {
Serial.begin(115200);
delay(500);
Disp.start();
Disp.setBrightness(100);
Disp.setFont(Mono5x8);
WiFi.softAP(ssid, password);
Serial.println("");
IPAddress apip = WiFi.softAPIP();
Serial.print("Connect your wifi laptop/mobile phone to this NodeMCU Access Point : ");
Serial.println(ssid);
Serial.print("Visit this IP : ");
Serial.print(apip);
Serial.println(" in your browser.");
server.on("/", handleRoot);
server.on("/setText", handle_Incoming_Text);
server.begin();
Serial.println("HTTP server started");
}
void drawTextWithReducedSpacing(int x, int y, String text, int letterSpacing, int numberSpacing, int spacingForOne, int spacingBeforeOne) {
int currentX = x;
for (int i = 0; i < text.length(); i++) {
char c = text[i];
if (c == '1' && i > 0 && text[i - 1] != ' ') {
currentX += spacingBeforeOne; // Adjust the position before '1' if the previous character is not a space
}
Disp.drawChar(currentX, y, c);
if (c == '1') {
currentX += Disp.charWidth(c) + spacingForOne; // Adjust character position by character width + custom spacing for '1'
} else if (isdigit(c)) {
currentX += Disp.charWidth(c) + numberSpacing; // Adjust character position by character width + custom spacing for numbers
} else {
currentX += Disp.charWidth(c) + letterSpacing; // Adjust character position by character width + custom spacing for letters
}
}
}
void Scrolling_Text(int y, uint8_t scrolling_speed) {
static uint32_t pM;
static uint32_t x = 0;
int displayLimit = 192; // Limit scrolling area to 192 pixels (first 3 P10 panels)
Disp.setFont(EMSans8x16);
int textWidth = Disp.textWidth(Text);
int fullScroll = textWidth + displayLimit/2;
if ((millis() - pM) > scrolling_speed) {
pM = millis();
if (x < fullScroll) {
++x;
} else {
x = 0; // Reset scroll position to start again
scrollComplete = true; // Signal that scrolling is done
return;
}
// Clear the entire screen (you may want to adjust this if it causes flickering)
Disp.clear();
// Draw text only within the first 192 pixels (the width of 3 P10 panels)
int textPosition = displayLimit - x;
if (textPosition + textWidth > 0) { // Only draw if part of the text is within the visible area
// Only draw up to the 192 pixels
if (textPosition < displayLimit) {
Disp.drawText(textPosition, y, Text);
}
}
}
}
void Sliding_Down(int x, uint8_t sliding_speed) {
static uint32_t pM;
static int y = -23;
static uint32_t pauseTimer = 0;
static bool isPaused = false;
int dcHeight = 8;
int dateHeight = 8;
int dcXPosition = 64;
int dateXPosition = 0;
// Create the full string for the "Dealer Code"
String dealerCodeText = "DealerNo:" + String(DC); // Concatenate "Dealer Code: " with the value of DC
if ((millis() - pM) > sliding_speed) {
pM = millis();
if (!isPaused) {
if (y < 0) {
++y;
Disp.clear();
Disp.setFont(EMSans8x16);
// Display the concatenated "Dealer Code: " followed by the value of dc
Disp.drawText(dcXPosition, y, dealerCodeText.c_str());
Disp.setFont(EMSans8x16);
drawTextWithReducedSpacing(dateXPosition, y, date, 0, 0, 0, 0);
} else {
isPaused = true;
pauseTimer = millis();
}
} else {
if ((millis() - pauseTimer) > 5000) {
y = -23;
isPaused = false;
scrollComplete = false;
Disp.clear();
} else {
Disp.setFont(EMSans8x16);
// Redraw the "Dealer Code" with the DC value
Disp.drawText(dcXPosition, 0, dealerCodeText.c_str());
drawTextWithReducedSpacing(dateXPosition, 0, date, 0, 0, 0, 0);
}
}
}
}
void loop() {
server.handleClient();
Disp.loop();
delay(1);
if (!scrollComplete) {
Scrolling_Text(0, 50);
} else {
Sliding_Down(0, 60);
}
}
This is my code to display data on p10 board using esp8266 but the issue i am facing is while displaying the non scrolling values it flickers a lot
can anyone help me to solve this problem?``
