video-terminal-revival/video-terminal/Display.h
2021-03-14 00:08:55 +01:00

120 satır
3.2 KiB
C++
Ham Suçlama Geçmiş

Bu dosya muğlak Evrensel Kodlu karakter içeriyor

Bu dosya, başka karakterlerle karıştırılabilecek evrensel kodlu karakter içeriyor. Eğer bunu kasıtlı olarak yaptıysanız bu uyarıyı yok sayabilirsiniz. Gizli karakterleri göstermek için Kaçış Karakterli düğmesine tıklayın.

/*
CONNECTION from ESP32 to a composite video TV
A) voltageDivider = false; B) voltageDivider = true
55 shades 179 shades
ESP32 TV ESP32 TV
-----+ -----+ ____ 100 ohm
G|- G|---|____|+
pin25|--------- Comp pin25|---|____|+--------- Comp
pin26|- pin26|- 220 ohm
| |
| |
-----+ -----+
Connect pin 25 or 26
C) R2R resistor ladder; D) unequal rungs ladder
55 shades up to 254 shades?
ESP32 TV ESP32 TV
-----+ -----+ ____
G|-+_____ G|---|____|
pinA0|-| R2R |- Comp pinA0|---|____|+--------- Comp
pinA1|-| | pinA1|---|____|
pinA2|-| | ...|
...|-|_____| |
-----+ -----+
Connect pins of your choice (A0...A8=any pins).
Custom ladders can be used by tweaking colorMinValue and colorMaxValue
*/
#include <ESP32Lib.h>
#include <Ressources/Font6x8.h>
#include <Ressources/CodePage437_8x8.h>
//#include <Ressources/CodePage437_8x14.h>
//#include <Ressources/CodePage437_8x16.h>
//#include <Ressources/CodePage437_8x19.h>
//#include <Ressources/CodePage437_9x16.h>
#define FONT CodePage437_8x8
//pin configuration for DAC
const int outputPin = 25;
// A) B)
CompositeGrayDAC videodisplay;
// C) D)
//CompositeGrayLadder videodisplay;
class Display {
public:
// view(able) size
int vw = 350;
int vh = 235;
// offsets (to fix overscan, depends on your display)
int ow = 10;
int oh = 26;
// display size
int w = 365; // vw + 2*ow
int h = 275; // vh + 2*oh
int font_w = FONT.charWidth;
int font_h = FONT.charHeight + 1;
int cols = vw / font_w;
int rows = vh / font_h;
void setup()
{
// Composite video init, see options in the header ^^^
// A)
//videodisplay.init(CompMode::MODEPAL288P, 25, false);
// B)
videodisplay.init(CompMode::MODEPAL288P, 25, true);
videodisplay.clear();
videodisplay.xres = w;
videodisplay.yres = h;
videodisplay.setFont(FONT);
/*/ view area test
videodisplay.rect(ow, oh, vw, vh, 50);
/**/
}
void scroll(int d) {
videodisplay.scroll(d, 0);
}
void fill_rect(int x, int y, int w, int h, int color) {
videodisplay.fillRect(x, y, w, h, color);
}
void pixel(int x, int y, int color) {
videodisplay.dotFast(x, y, color);
}
void print_character(int col, int row, int fg_color, int bg_color, char character) {
int x = ow + col*font_w;
int y = oh + row*font_h;
videodisplay.setCursor(x, y);
videodisplay.setTextColor(fg_color, bg_color);
videodisplay.print(character);
}
int get_display_width() { return w; }
int get_display_height() { return h; }
int get_view_width() { return vw; }
int get_view_height() { return vh; }
int get_view_width_offset() { return ow; }
int get_view_height_offset() { return oh; }
};