#include <SPI.h>
#include <TFT_eSPI.h> // Hardware-specific library
#include <TimeLib.h> // Biblioteca para manejar tiempo
#include "Button.h"
TFT_eSPI tft = TFT_eSPI(); // Invoke custom library
float sx = 0, sy = 1, mx = 1, my = 0, hx = -1, hy = 0; // Saved H, M, S x & y multipliers
float sdeg = 0, mdeg = 0, hdeg = 0;
uint16_t osx = 120, osy = 120, omx = 120, omy = 120, ohx = 120, ohy = 120; // Saved H, M, S x & y coords
uint16_t x0 = 0, x1 = 0, yy0 = 0, yy1 = 0;
uint32_t targetTime = 0; // for next 1 second timeout
byte omm = 99;
byte xcolon = 0;
unsigned long cm;
static uint8_t conv2d(const char *p); // Forward declaration needed for IDE 1.6.x
uint8_t hh = conv2d(__TIME__), mm = conv2d(__TIME__ + 3), ss = conv2d(__TIME__ + 6); // Get H, M, S from compile time
bool initial = 1;
bool showDigital = false; // Variable to switch between digital and analog display
bool updateDigital = false;
Button BtnSwitchMode(25);
void setup(void)
{
hh = hh >= 5 ? hh - 5 : hh + 19; // Subtract 5 hours from hh//Esto depende de la hora del sistema
tft.init();
tft.setRotation(0);
// Draw clock face
tft.fillCircle(120, 120, 118, TFT_GREEN);
tft.fillCircle(120, 120, 110, TFT_BLACK);
// Draw 12 lines
for (int i = 0; i < 360; i += 30)
{
sx = cos((i - 90) * 0.0174532925);
sy = sin((i - 90) * 0.0174532925);
x0 = sx * 114 + 120;
yy0 = sy * 114 + 120;
x1 = sx * 100 + 120;
yy1 = sy * 100 + 120;
tft.drawLine(x0, yy0, x1, yy1, TFT_GREEN);
}
// Draw 60 dots
for (int i = 0; i < 360; i += 6)
{
sx = cos((i - 90) * 0.0174532925);
sy = sin((i - 90) * 0.0174532925);
x0 = sx * 102 + 120;
yy0 = sy * 102 + 120;
// Draw minute markers
tft.drawPixel(x0, yy0, TFT_WHITE);
// Draw main quadrant dots
if (i == 0 || i == 180)
tft.fillCircle(x0, yy0, 2, TFT_WHITE);
if (i == 90 || i == 270)
tft.fillCircle(x0, yy0, 2, TFT_WHITE);
}
targetTime = millis() + 1000;
}
void loop()
{
cm=millis();
BtnSwitchMode.update(cm);
if(BtnSwitchMode.wasPressed()){
tft.fillCircle(120, 120, 90, TFT_GREEN);
if(showDigital){
tft.fillCircle(120, 120, 90, TFT_BLACK);
}
else{
tft.fillCircle(120, 120, 90, TFT_GREEN);
}
showDigital = !showDigital;
updateDigital = true;
}
if (targetTime < millis())
{
targetTime += 1000;
ss++; // Advance second
if (ss == 60)
{
ss = 0;
mm++; // Advance minute
if (mm > 59)
{
mm = 0;
hh++; // Advance hour
if (hh > 23)
{
hh = 0;
}
}
}
if (showDigital)
{
digitalClockDisplay();
}
else
{
analogClockDisplay();
}
}
}
void analogClockDisplay()
{
// Pre-compute hand degrees, x & y coords for a fast screen update
sdeg = ss * 6; // 0-59 -> 0-354
mdeg = mm * 6 + sdeg * 0.01666667; // 0-59 -> 0-360 - includes seconds
hdeg = hh * 30 + mdeg * 0.0833333; // 0-11 -> 0-360 - includes minutes and seconds
hx = cos((hdeg - 90) * 0.0174532925);
hy = sin((hdeg - 90) * 0.0174532925);
mx = cos((mdeg - 90) * 0.0174532925);
my = sin((mdeg - 90) * 0.0174532925);
sx = cos((sdeg - 90) * 0.0174532925);
sy = sin((sdeg - 90) * 0.0174532925);
if (ss == 0 || initial)
{
initial = 0;
// Erase hour and minute hand positions every minute
tft.drawLine(ohx, ohy, 120, 121, TFT_BLACK);
ohx = hx * 62 + 121;
ohy = hy * 62 + 121;
tft.drawLine(omx, omy, 120, 121, TFT_BLACK);
omx = mx * 84 + 120;
omy = my * 84 + 121;
}
// Redraw new hand positions, hour and minute hands not erased here to avoid flicker
tft.drawLine(osx, osy, 120, 121, TFT_BLACK);
osx = sx * 90 + 121;
osy = sy * 90 + 121;
tft.drawLine(osx, osy, 120, 121, TFT_RED);
tft.drawLine(ohx, ohy, 120, 121, TFT_WHITE);
tft.drawLine(omx, omy, 120, 121, TFT_WHITE);
tft.drawLine(osx, osy, 120, 121, TFT_RED);
tft.fillCircle(120, 121, 3, TFT_RED);
}
void digitalClockDisplay()
{
// Update digital time
byte xpos = 50;
byte ypos = 90;
tft.setTextColor(0xF81F);
tft.drawString("Lunes", 85, 60, 4);
tft.drawString(String(year()) + "/" + String(month()) + "/" + String(day()), 75, 150,4);
if (omm != mm && !updateDigital)
{ // Only redraw every minute to minimise flicker
tft.setTextColor(TFT_GREEN, TFT_GREEN); // Set font colour to black to wipe image
// Font 7 is to show a pseudo 7 segment display.
// Font 7 only contains characters [space] 0 1 2 3 4 5 6 7 8 9 0 : .
tft.drawString("88:88", xpos, ypos, 7); // Overwrite the text to clear it
tft.setTextColor(0xF81F); // Orange
omm = mm;
if (hh < 10)
xpos += tft.drawChar('0', xpos, ypos, 7);
xpos += tft.drawNumber(hh, xpos, ypos, 7);
xcolon = xpos;
xpos += tft.drawChar(':', xpos, ypos, 7);
if (mm < 10)
xpos += tft.drawChar('0', xpos, ypos, 7);
tft.drawNumber(mm, xpos, ypos, 7);
}
if(updateDigital){
// Dibujar las líneas que conectan los círculos
/// /*
for (int i = 0; i < 360; i += 1) {
if (45 < i && i < 135){
sx = cos((i - 90) * 0.0174532925);
sy = sin((i - 90) * 0.0174532925);
x0 = sx * 90 + 120; // Radio del círculo exterior
yy0 = sy * 90 + 120;
//x1 = sx * 60 + 120; // Radio del círculo interior
//yy1 = sy * 60 + 160;
x1 = 135;
yy1 = 140;
tft.drawLine(x0, yy0, x1, yy1, TFT_BLACK);
}
if (225 < i && i < 315){
sx = cos((i - 90) * 0.0174532925);
sy = sin((i - 90) * 0.0174532925);
x0 = sx * 90 + 120; // Radio del círculo exterior
yy0 = sy * 90 + 120;
//x1 = sx * 60 + 120; // Radio del círculo interior
//yy1 = sy * 60 + 160;
x1 = 95;
yy1 = 140;
//tft.fillCircle(120, 120, 90, TFT_GREEN);
tft.drawLine(x0, yy0, x1, yy1, TFT_BLACK);
}
}
/// */
if (hh < 10)
xpos += tft.drawChar('0', xpos, ypos, 7);
xpos += tft.drawNumber(hh, xpos, ypos, 7);
xcolon = xpos;
xpos += tft.drawChar(':', xpos, ypos, 7);
if (mm < 10)
xpos += tft.drawChar('0', xpos, ypos, 7);
tft.drawNumber(mm, xpos, ypos, 7);
updateDigital = false;
}
if (ss % 2)
{ // Flash the colon
tft.setTextColor(0x39C4, TFT_GREEN);
xpos += tft.drawChar(':', xcolon, ypos, 7);
tft.setTextColor(0xF81F, TFT_GREEN);
}
else
{
tft.drawChar(':', xcolon, ypos, 7);
}
}
static uint8_t conv2d(const char *p)
{
uint8_t v = 0;
if ('0' <= *p && *p <= '9')
v = *p - '0';
return 10 * v + *++p - '0';
}