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Possible fix for stellar pio?

pull/786/head
ZodiusInfuser 2023-05-30 11:16:51 +01:00
rodzic aabe789f21
commit 68f610184f
3 zmienionych plików z 12 dodań i 21 usunięć
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29
libraries/stellar_unicorn/stellar_unicorn.cpp
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@ -153,15 +153,15 @@ namespace pimoroni {
// find the offset of this row and frame in the bitstream
uint8_t *p = &bitstream[row * ROW_BYTES + (BCD_FRAME_BYTES * frame)];
p[ 0] = 64 - 1; // row pixel count
p[ 0] = 32 - 1; // row pixel count
p[ 1] = row; // row select
// set the number of bcd ticks for this frame
uint32_t bcd_ticks = (1 << frame);
p[68] = (bcd_ticks & 0xff) >> 0;
p[69] = (bcd_ticks & 0xff00) >> 8;
p[70] = (bcd_ticks & 0xff0000) >> 16;
p[71] = (bcd_ticks & 0xff000000) >> 24;
p[36] = (bcd_ticks & 0xff) >> 0;
p[37] = (bcd_ticks & 0xff00) >> 8;
p[38] = (bcd_ticks & 0xff0000) >> 16;
p[39] = (bcd_ticks & 0xff000000) >> 24;
}
}
@ -463,15 +463,6 @@ namespace pimoroni {
x = (WIDTH - 1) - x;
y = (HEIGHT - 1) - y;
// map coordinates into display space
if(y < 16) {
// move to top half of display (which is actually the right half of the framebuffer)
x += 32;
}else{
// remap y coordinate
y -= 16;
}
r = (r * this->brightness) >> 8;
g = (g * this->brightness) >> 8;
b = (b * this->brightness) >> 8;
@ -482,11 +473,11 @@ namespace pimoroni {
// for each row:
// for each bcd frame:
// 0: 00111111 // row pixel count (minus one)
// 1 - 64: xxxxxbgr, xxxxxbgr, xxxxxbgr, ... // pixel data
// 65 - 67: xxxxxxxx, xxxxxxxx, xxxxxxxx // dummy bytes to dword align
// 68: xxxxrrrr // row select bits
// 69 - 71: tttttttt, tttttttt, tttttttt // bcd tick count (0-65536)
// 0: 00011111 // row pixel count (minus one)
// 1 - 32: xxxxxbgr, xxxxxbgr, xxxxxbgr, ... // pixel data
// 33 - 35: xxxxxxxx, xxxxxxxx, xxxxxxxx // dummy bytes to dword align
// 36: xxxxrrrr // row select bits
// 37 - 39: tttttttt, tttttttt, tttttttt // bcd tick count (0-65536)
//
// .. and back to the start

2
libraries/stellar_unicorn/stellar_unicorn.hpp
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@ -48,7 +48,7 @@ namespace pimoroni {
private:
static const uint32_t ROW_COUNT = 16;
static const uint32_t BCD_FRAME_COUNT = 14;
static const uint32_t BCD_FRAME_BYTES = 72;
static const uint32_t BCD_FRAME_BYTES = 40;
static const uint32_t ROW_BYTES = BCD_FRAME_COUNT * BCD_FRAME_BYTES;
static const uint32_t BITSTREAM_LENGTH = (ROW_COUNT * ROW_BYTES);
static const uint SYSTEM_FREQ = 22050;

2
libraries/stellar_unicorn/stellar_unicorn.pio
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@ -20,7 +20,7 @@
; for each row:
; for each bcd frame:
; 0: 00111111 // row pixel count (minus one)
; 0: 00011111 // row pixel count (minus one)
; 1: xxxxrrrr // row select bits
; 2 - 65: xxxxxbgr, xxxxxbgr, xxxxxbgr, ... // pixel data
; 66 - 67: xxxxxxxx, xxxxxxxx // dummy bytes to dword align