Whitestar fixing attempt

src/dmd_interface_whitestar.pio

@@ -8,7 +8,6 @@
 
 .program dmd_reader_whitestar
 
-; Send using an external clock on the SPI interface
 
     ; initialize y with 8192 = number of pixels ((128 x LSB + 128 x MSB) x 32)
     set x, 1
@@ -33,9 +32,6 @@ dotloop:
     in pins 1           ; read pin data
     jmp x-- dotloop
 
-    mov x, y            ; load number of pixels
-    mov isr, null       ; reset shift counter
-
 ; There's an empty row with 256 dots at the end of a frame.
 ; It is ignored because we already read the specified amount of dots and now wait for a new frame.
 .wrap
@@ -60,11 +56,11 @@ static inline void dmd_reader_whitestar_program_init(PIO pio, uint sm, uint offs
     sm_config_set_in_pins(&c, 2); // SDATA
 
     // Set the pin direction at the PIO
-    pio_sm_set_consecutive_pindirs(pio, sm, 5, 1, false); // RCLK
+    pio_sm_set_consecutive_pindirs(pio, sm, 6, 1, false); // RDATA
     pio_sm_set_consecutive_pindirs(pio, sm, 2, 2, false); // SDATA, DOTCLK
 
     // Connect these GPIOs to this PIO block
-    pio_gpio_init(pio, 5); // RCLK
+    pio_gpio_init(pio, 6); // RDATA
     pio_gpio_init(pio, 3); // DOTCLK
     pio_gpio_init(pio, 2); // SDATA
 

src/dmd_reader.c

@@ -496,7 +496,7 @@ 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]*2;
+                v = src1[w]*2 + src2[w];
                 dst[w]=v;
             }
             src1 += lcd_wordsperline*2; // source skips 2 lines forward