Macintosh-HW
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minimacplus
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Subpixel rendering! Scaling looks be-a-utiful now.

This commit is contained in:
Jeroen Domburg 2017-05-29 12:06:48 +08:00
parent bcf2bc85bc
commit 17cd87e758
2 changed files with 67 additions and 10 deletions
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73
components/tme-esp32/mipi_lcd.c
View File

@ -153,6 +153,68 @@ DispPacket initPackets[]={
{0,0,0,{0}}
};
//Returns 0-1024
int findMacVal(uint8_t *data, int x, int y) {
int a,b,c,d;
int v=0;
int rx=x/32;
int ry=y/32;
if (ry>=342) return 0;
a=data[ry*(512/8)+rx/8]&(1<<(7-(rx&7)));
rx++;
b=data[ry*(512/8)+rx/8]&(1<<(7-(rx&7)));
rx--; ry++;
if (ry<342) {
c=data[ry*(512/8)+rx/8]&(1<<(7-(rx&7)));
rx++;
d=data[ry*(512/8)+rx/8]&(1<<(7-(rx&7)));
} else {
c=1;
d=1;
}
if (!a) v+=(31-(x&31))*(31-(y&31));
if (!b) v+=(x&31)*(31-(y&31));
if (!c) v+=(31-(x&31))*(y&31);
if (!d) v+=(x&31)*(y&31);
return v;
}
// Even pixels: a
// RRBB
// GG
//
// Odd pixels: b
// GG
// RRBB
//
// Even lines start with an even pixel, odd lines with an odd pixel.
//
// Due to the weird buildup, a horizontal subpixel actually is 1/3rd real pixel wide!
int findPixelVal(uint8_t *data, int x, int y) {
int sx=(x*51); //32th is 512/320 -> scale 512 mac screen to 320 width
int sy=(y*51);
//sx and sy are now 27.5 fixed point values for the 'real' mac-like components
int r,g,b;
if (((x+y)&1)) {
//pixel a
r=findMacVal(data, sx, sy);
b=findMacVal(data, sx+(51/3)*2, sy);
g=findMacVal(data, sx+(51/3), sy+(51/2));
} else {
//pixel b
r=findMacVal(data, sx, sy+10);
b=findMacVal(data, sx+(51/3)*2, sy+(51/1));
g=findMacVal(data, sx+(51/3), sy);
}
return ((r>>5)<<0)|((g>>4)<<5)|((b>>5)<<11);
}
volatile static uint8_t *currFbPtr=NULL;
SemaphoreHandle_t dispSem = NULL;
@ -184,17 +246,12 @@ void IRAM_ATTR displayTask(void *arg) {
for (int j=0; j<320; j++) {
uint8_t *p=&img[1];
for (int i=0; i<320; i++) {
if (myData[i/8]&(1<<(7-(i&7)))) {
*p++=0;
*p++=0;
} else {
*p++=0xFF;
*p++=0xFF;
}
int v=findPixelVal(myData, i, j);
*p++=(v&0xff);
*p++=(v>>8);
}
mipiDsiSendLong(0x39, img, sizeof(img)+4);
img[0]=0x3c;
myData+=(512/8);
}
}
}

4
flashrom.sh
View File

@ -1,5 +1,5 @@
#!/bin/bash
#python /home/jeroen/esp8266/esp32/esp-idf/bin/esptool.py --chip esp32 --port "/dev/ttyUSB0" --baud 115200 write_flash -z -fs 32m 0x100000 doom1-cut.wad
#python /home/jeroen/esp8266/esp32/esp-idf/components/esptool_py/esptool/esptool.py --chip esp32 --port "/dev/ttyUSB1" --baud $((921600/2)) --before default_reset --after hard_reset write_flash --flash_mode dio --flash_freq 40m --flash_size detect 0x100000 rom.bin
python /home/jeroen/esp8266/esp32/esp-idf/components/esptool_py/esptool/esptool.py --chip esp32 --port "/dev/ttyUSB0" --baud $((921600/2)) --before default_reset --after hard_reset write_flash --flash_mode dio --flash_freq 40m --flash_size detect 0x100000 rom320240.bin
python /home/jeroen/esp8266/esp32/esp-idf/components/esptool_py/esptool/esptool.py --chip esp32 --port "/dev/ttyUSB0" --baud $((921600/2)) --before default_reset --after hard_reset write_flash --flash_mode dio --flash_freq 40m --flash_size detect 0x100000 rom.bin
#python /home/jeroen/esp8266/esp32/esp-idf/components/esptool_py/esptool/esptool.py --chip esp32 --port "/dev/ttyUSB0" --baud $((921600/2)) --before default_reset --after hard_reset write_flash --flash_mode dio --flash_freq 40m --flash_size detect 0x100000 rom320240.bin