ScStw/ESP32-HUB75-MatrixPanel-DMA
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Update ESP32-VirtualMatrixPanel-I2S-DMA.h

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Implemented changes as proposed by @danieldecesaro in #204
This commit is contained in:
mrfaptastic 2022-01-10 19:26:01 +00:00
parent 4dd02329c8
commit c4129bf0bd
1 changed files with 19 additions and 2 deletions
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21
ESP32-VirtualMatrixPanel-I2S-DMA.h
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@ -34,7 +34,7 @@ struct VirtualCoords {
};
enum PANEL_SCAN_RATE {NORMAL_ONE_SIXTEEN, ONE_EIGHT};
enum PANEL_SCAN_RATE {NORMAL_ONE_SIXTEEN, ONE_EIGHT_32, ONE_EIGHT_16};
#ifdef USE_GFX_ROOT
class VirtualMatrixPanel : public GFX
@ -190,7 +190,7 @@ inline VirtualCoords VirtualMatrixPanel::getCoords(int16_t &x, int16_t &y) {
* the underlying hardware library is designed for (because
* there's only 2 x RGB pins... and convert this to 1/8 or something
*/
if ( _panelScanRate == ONE_EIGHT)
if ( _panelScanRate == ONE_EIGHT_32)
{
/* Convert Real World 'VirtualMatrixPanel' co-ordinates (i.e. Real World pixel you're looking at
on the panel or chain of panels, per the chaining configuration) to a 1/8 panels
@ -226,6 +226,23 @@ inline VirtualCoords VirtualMatrixPanel::getCoords(int16_t &x, int16_t &y) {
}
if ( _panelScanRate == ONE_EIGHT_16)
{
if ((y & 8) == 0) {
coords.x += (panelResX>>2) * (((coords.x & 0xFFF0)>>4)+1); // 1st, 3rd 'block' of 8 rows of pixels, offset by panel width in DMA buffer
} else {
coords.x += (panelResX>>2) * (((coords.x & 0xFFF0)>>4)); // 2nd, 4th 'block' of 8 rows of pixels, offset by panel width in DMA buffer
}
if (y < 32)
coords.y = (y >> 4) * 8 + (y & 0b00000111);
else{
coords.y = ((y-32) >> 4) * 8 + (y & 0b00000111);
coords.x += 256;
}
}
//Serial.print("Mapping to x: "); Serial.print(coords.x, DEC); Serial.print(", y: "); Serial.println(coords.y, DEC);
return coords;
}