adjusted whitestar to be compatible with new pio frame reading

Author: jannoe02

src/dmd_reader.c

@@ -495,13 +495,14 @@ void dmd_dma_handler() {
 
         for (int l=0; l<lcd_height; l++) {
             for (int w=0; w<lcd_wordsperline; w++) {
-                v = (src1[w] + src2[w]) >> 1;
+                v = src1[w]*2+src2[2]*1;
                 dst[w]=v;
             }
             src1 += lcd_wordsperline*2; // source skips 2 lines forward
             src2 += lcd_wordsperline*2;
             dst += lcd_wordsperline;     // destination skips only one line
         }
+
     } else if (lcd_lineoversampling==LINEOVERSAMPLING_SAM) {
         uint16_t i=0;
         uint32_t *dst, *src1, *src2, *src3, *src4;
@@ -596,9 +597,9 @@ bool init()
         lcd_height = 32;
         lcd_bitsperpixel = 2;                                    // Whitestar is 2bpp
         lcd_pixelsperbyte = 8 / lcd_bitsperpixel;
-        lcd_planesperframe = 2;                                  // in Whitestar, there's a MSB and a LSB plane
+        lcd_planesperframe = 1;                                  // in Whitestar, there's a MSB and a LSB plane
         lcd_lineoversampling = LINEOVERSAMPLING_WHITESTAR;       // in Whitestar each line is sent twice
-        lcd_mergeplanes = MERGEPLANES_ADDSHIFT;                  // required for correct 2bpp merge
+        lcd_mergeplanes = MERGEPLANES_ADD;                  // required for correct 2bpp merge
     } else if (dmd_type == DMD_SPIKE1)  {
         dmd_pio = pio0;
         offset = pio_add_program(dmd_pio, &dmd_reader_spike_program);