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Added multiplexing method for P4Outdoor80x40 display #1571

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Added multiplexing method for P4Outdoor80x40 display #1571

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27 changes: 27 additions & 0 deletions lib/multiplex-mappers.cc
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Original file line number Diff line number Diff line change
Expand Up @@ -454,6 +454,31 @@ class P10Outdoor32x16HalfScanMapper : public MultiplexMapperBase {
}
};

/*
* P4 Outdoor panel 80x40 pixels
* https://nl.aliexpress.com/item/1005003999341251.html?spm=a2g0o.order_list.order_list_main.11.408679d2q5LwTb&gatewayAdapt=glo2nld
*/
class P4Outdoor80x40Mapper : public MultiplexMapperBase {
public:
P4Outdoor80x40Mapper() : MultiplexMapperBase("P4Outdoor80x40Mapper", 2) {}

void MapSinglePanel(int x, int y, int *matrix_x, int *matrix_y) const {

const int tile_width_ = 8;
const int tile_height_ = 10;
const int vblock_is_odd = (y / tile_height_) % 2;
const int hblock = x / tile_width_;

if (vblock_is_odd) {
*matrix_x = (x % tile_width_) + (2 * tile_width_ * hblock) + tile_width_;
} else {
// even tiles have reverse x-order
*matrix_x = -((x % tile_width_) - tile_width_ + 1) + (2 * tile_width_ * hblock);
}
*matrix_y = (y % tile_height_) + tile_height_ * (y / (tile_height_ * 2));
}
};

/*
* Here is where the registration happens.
* If you add an instance of the mapper here, it will automatically be
Expand Down Expand Up @@ -481,6 +506,8 @@ static MuxMapperList *CreateMultiplexMapperList() {
result->push_back(new P8Outdoor1R1G1BMultiplexMapper());
result->push_back(new FlippedStripeMultiplexMapper());
result->push_back(new P10Outdoor32x16HalfScanMapper());
result->push_back(new P4Outdoor80x40Mapper());
//result->push_back(new P4Outdoor80x40Mapper1());
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Did you mean to leave this commented-out line here ?

return result;
}

Expand Down