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Add 8 bit parallel TFT support for ESP32

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Add interface driver macro
Add 8 bit parallel support
Add 8 bit parallel read support
Add ILI9481, ILI9488 and HX8357D drivers
Update version and ReadMe
Update Create_Font processing sketch
Add slightly narrower alternative font 8
This commit is contained in:
Bodmer
2018-03-10 23:08:57 +00:00
parent 1656fa1a5f
commit a00011c2df
21 changed files with 1343 additions and 261 deletions
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Extensions/Smooth_font.cpp
+15 -7
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@@ -338,6 +338,8 @@ uint16_t TFT_eSPI::alphaBlend(uint8_t alpha, uint16_t fgc, uint16_t bgc)
uint16_t b = (((fgB * alpha) + (bgB * (255 - alpha))) >> 9);
// Combine RGB565 colours into 16 bits
//return ((r&0x18) << 11) | ((g&0x30) << 5) | ((b&0x18) << 0); // 2 bit greyscale
//return ((r&0x1E) << 11) | ((g&0x3C) << 5) | ((b&0x1E) << 0); // 4 bit greyscale
return (r << 11) | (g << 5) | (b << 0);
}
@@ -419,7 +421,10 @@ void TFT_eSPI::drawGlyph(uint16_t code)
uint8_t pbuffer[gWidth[gNum]];
uint16_t xs = 0;
uint16_t dl = 0;
uint32_t dl = 0;
int16_t cy = cursor_y + gFont.maxAscent - gdY[gNum];
int16_t cx = cursor_x + gdX[gNum];
for (int y = 0; y < gHeight[gNum]; y++)
{
@@ -431,24 +436,27 @@ void TFT_eSPI::drawGlyph(uint16_t code)
{
if (pixel != 0xFF)
{
if (dl) { drawFastHLine( xs, y + cursor_y + gFont.maxAscent - gdY[gNum], dl, fg); dl = 0; }
drawPixel(x + cursor_x + gdX[gNum], y + cursor_y + gFont.maxAscent - gdY[gNum], alphaBlend(pixel, fg, bg));
if (dl) {
if (dl==1) drawPixel(xs, y + cy, fg);
else drawFastHLine( xs, y + cy, dl, fg);
dl = 0;
}
drawPixel(x + cx, y + cy, alphaBlend(pixel, fg, bg));
}
else
{
if (dl==0) xs = x + cursor_x + gdX[gNum];
if (dl==0) xs = x + cx;
dl++;
}
}
else
{
if (dl) { drawFastHLine( xs, y + cursor_y + gFont.maxAscent - gdY[gNum], dl, fg); dl = 0; }
if (dl) { drawFastHLine( xs, y + cy, dl, fg); dl = 0; }
}
}
if (dl) { drawFastHLine( xs, y + cursor_y + gFont.maxAscent - gdY[gNum], dl, fg); dl = 0; }
if (dl) { drawFastHLine( xs, y + cy, dl, fg); dl = 0; }
}
cursor_x += gxAdvance[gNum];
}
else