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|
#pragma once
// api for kay
// i2cbuf is a global ram 512 byte buffer ready to be sent over I2C.
// if you want to get fancy and send sub rectangles you need to start doing commands to the i2c controller
// so I ignored that for now
extern uint8_t i2cbuf[4][128];
void clearscreen(); // just sets i2cbuf to 0
void drawlpzwlogo(int y); // y is the vertical position
int drawstr24(int x, int y, const char* txt); // draws a string 'txt' at position x,y. 0,0 is top left. clipped! returns string width in pixels
int strwidth24(const char* txt); // returns width of a string in pixels
////////////////////
// implementation:
uint8_t i2cbuf[4][128];
static const uint8_t logo32x32_rotated_pins_top[] PROGMEM = {
0xc0,0x70,0x38,0x1c,0x8e,0xc7,0x73,0x3b,0xbf,0xff,0x77,0x33,0x7b,0xfb,0xdb,0x9b,0x1b,0x1b,0x1b,0x1b,0x33,0x67,0xcf,0x9f,0x33,0x63,0xc7,0x8e,0x1c,0x30,0xe0,0xc0,
0x9f,0xce,0xe6,0x73,0x39,0x0f,0x07,0x03,0x01,0x00,0x1f,0x3f,0x3c,0x38,0x21,0x23,0x23,0xe3,0xe3,0x83,0xff,0xff,0x19,0x19,0xff,0xfe,0x1c,0x39,0x73,0xee,0xdf,0x9f,
0xf9,0x73,0x67,0xce,0x9c,0xf0,0xe0,0xc0,0x80,0x00,0xf8,0xfc,0x3c,0x1c,0x84,0xc4,0xc4,0xc7,0xc7,0xc1,0xff,0xff,0x98,0x98,0xff,0x7f,0x38,0x9c,0xce,0x77,0xfb,0xf9,
0x03,0x0e,0x1c,0x38,0x71,0xe3,0xce,0xdc,0xfd,0xff,0xee,0xcc,0xde,0xdf,0xdb,0xd9,0xd8,0xd8,0xd8,0xd8,0xcc,0xe6,0xf3,0xf9,0xcc,0xc6,0xe3,0x71,0x38,0x0c,0x07,0x03,
};
/*
static const uint8_t logo32x32_rotated_pins_bottom[] PROGMEM = {
0xc0,0xe0,0x30,0x1c,0x8e,0xc7,0x63,0x33,0x9f,0xcf,0x67,0x33,0x1b,0x1b,0x1b,0x1b,0x9b,0xdb,0xfb,0x7b,0x33,0x77,0xff,0xbf,0x3b,0x73,0xc7,0x8e,0x1c,0x38,0x70,0xc0,
0x9f,0xdf,0xee,0x73,0x39,0x1c,0xfe,0xff,0x19,0x19,0xff,0xff,0x83,0xe3,0xe3,0x23,0x23,0x21,0x38,0x3c,0x3f,0x1f,0x00,0x01,0x03,0x07,0x0f,0x39,0x73,0xe6,0xce,0x9f,
0xf9,0xfb,0x77,0xce,0x9c,0x38,0x7f,0xff,0x98,0x98,0xff,0xff,0xc1,0xc7,0xc7,0xc4,0xc4,0x84,0x1c,0x3c,0xfc,0xf8,0x00,0x80,0xc0,0xe0,0xf0,0x9c,0xce,0x67,0x73,0xf9,
0x03,0x07,0x0c,0x38,0x71,0xe3,0xc6,0xcc,0xf9,0xf3,0xe6,0xcc,0xd8,0xd8,0xd8,0xd8,0xd9,0xdb,0xdf,0xde,0xcc,0xee,0xff,0xfd,0xdc,0xce,0xe3,0x71,0x38,0x1c,0x0e,0x03,
};
*/
#define FONT24_WIDTH 58
static const uint16_t font24_xpos[] PROGMEM = {
0,2,7,16,24,32,42,43,46,49,56,68,70,77,79,84,91,95,102,109,117,124,131,138,145,152,154,157,169,181,193,200,218,227,235,242,250,257,264,272,279,281,288,297,304,315,323,331,338,347,356,364,372,380,389,403,412,420,427,430,434,438,450,461 };
static const uint8_t font24[24][FONT24_WIDTH] PROGMEM = {
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x10,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x10,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x4f,0x11,0x7c,0xe2,0x00,0x04,0x11,0x00,0x00,0x80,0xe1,0x3b,0x9e,0x0f,0xe3,0xc7,0xf8,0x7b,0x3c,0x00,0x00,0x00,0x00,0x00,0x78,0xe0,0x0f,0x60,0xe0,0xf7,0xf1,0xff,0xff,0x7c,0xe3,0x07,0x86,0xc1,0x03,0x1e,0xe6,0xf1,0xe3,0xe3,0xcf,0xf7,0x3f,0x3c,0xf8,0x18,0x37,0x3c,0xfc,0x3b,0x3e,0x18,0x00,0x00,
0x4f,0x11,0xfe,0xa6,0x00,0x0c,0x11,0x00,0x00,0x00,0xf1,0x7b,0xbf,0x1f,0xe3,0xc7,0xf8,0xff,0x7e,0x00,0x00,0x00,0x00,0x00,0xfc,0x18,0x38,0x60,0xf0,0xff,0xfb,0xff,0xff,0xfe,0xe3,0x07,0x86,0xc1,0x03,0x1f,0xf7,0xfb,0xf3,0xf7,0xef,0xff,0x3f,0x3c,0xdc,0x18,0x33,0x36,0xfc,0x23,0x0f,0x38,0x00,0x00,
0x4f,0x13,0xd7,0xa4,0xf8,0x0c,0xfd,0x00,0x00,0x00,0x31,0xff,0xf3,0x18,0x07,0xc4,0x19,0xcf,0x67,0x00,0x00,0x00,0x00,0x00,0xce,0x0c,0x60,0xe0,0x38,0x1e,0x1b,0x83,0xc1,0xc7,0xe3,0x07,0x8c,0xc1,0x07,0x1f,0x3f,0x1e,0x33,0x36,0x7c,0x8c,0x31,0x6c,0xcc,0x18,0x63,0x66,0x3c,0x20,0x0f,0x24,0x00,0x00,
0x4f,0x13,0xd3,0xe4,0x98,0x9d,0x38,0x00,0x00,0x00,0x31,0x9e,0xf1,0x18,0x06,0x84,0x19,0x8f,0xc7,0x00,0x00,0x00,0x00,0x00,0xc6,0x06,0xc0,0xe0,0x18,0x1e,0x1f,0x83,0xc1,0xc3,0xe3,0x07,0x8c,0xc1,0x87,0x1f,0x1f,0x1e,0x1b,0x36,0x3c,0x8c,0x31,0x6c,0xcc,0x18,0x63,0x66,0x36,0x20,0x0d,0x64,0x00,0x00,
0x03,0x32,0xd0,0x4c,0x88,0x91,0x7c,0x00,0x00,0x00,0x33,0x9e,0xc1,0x00,0x06,0x84,0x31,0x8c,0xc7,0x00,0x00,0x00,0x00,0x00,0x06,0xd2,0x87,0xf1,0x18,0x06,0x0f,0x83,0xc1,0xc0,0xe3,0x07,0x88,0xc1,0x87,0x9f,0x1f,0x0e,0x1b,0x36,0x0c,0x8c,0x31,0x6c,0xcc,0x3c,0x63,0x63,0x66,0x20,0x0d,0x42,0x00,0x00,
0x83,0x7f,0xd0,0x08,0x98,0x91,0x96,0x20,0x00,0x00,0x33,0x9e,0xc3,0x00,0x06,0x84,0x33,0x8c,0xc7,0x20,0x00,0x00,0x00,0x00,0x05,0x73,0x8c,0xb1,0x18,0x06,0x0f,0x83,0xc1,0xc0,0xe3,0x07,0x98,0xc1,0x8f,0x9f,0x1f,0x0e,0x1b,0x36,0x0c,0x8c,0x31,0x6c,0xcc,0x3c,0xc3,0xc3,0x66,0x20,0x0d,0xc2,0x00,0x00,
0x03,0x22,0xf0,0x08,0x98,0xd1,0x10,0x20,0x00,0x00,0x32,0x1e,0xc3,0x00,0xcc,0x06,0x33,0xcc,0x47,0xe0,0x00,0x00,0x00,0xe0,0x0d,0x33,0x18,0xb1,0x39,0x06,0x0f,0x83,0xc1,0xc0,0xe3,0x07,0x90,0xc1,0xcf,0x9f,0x1f,0x1e,0x1b,0x36,0x0c,0x8e,0x31,0x6c,0xcc,0x3c,0xc3,0xc1,0xe3,0xa0,0x0d,0x81,0x00,0x00,
0x03,0x22,0x78,0x10,0xf0,0xf0,0x00,0x20,0x00,0x00,0x32,0x1e,0x83,0x83,0xec,0xe7,0x63,0xf8,0x66,0x80,0x03,0x00,0x00,0x38,0x1c,0x23,0x10,0x91,0xf1,0x07,0x0f,0xfb,0xc1,0xc0,0xff,0x07,0xf8,0xc1,0xcb,0xde,0x1e,0x1e,0x1b,0x76,0x8e,0x87,0x31,0x4c,0xc6,0x24,0x83,0xc1,0xc3,0xa0,0x8d,0x81,0x01,0x00,
0x03,0x22,0x3e,0x10,0xe0,0xf0,0x00,0x20,0x00,0x00,0x32,0x1e,0x86,0xc3,0x6c,0xe6,0x67,0xf8,0x7e,0x00,0x1e,0xfe,0x1f,0x0e,0x18,0x63,0x30,0x9b,0xf1,0x07,0x0f,0xfb,0xfd,0xcf,0xff,0x07,0xf8,0xc1,0xdb,0xde,0x1e,0xfe,0x1b,0xe6,0xef,0x83,0x31,0xcc,0x86,0x24,0x81,0x81,0xc3,0xa0,0x8d,0x00,0x01,0x00,
0x02,0x22,0x1e,0x10,0xe0,0xf0,0x00,0x20,0xc0,0x1f,0x36,0x1e,0xc6,0xc1,0x78,0x70,0x66,0xcc,0x3f,0x0b,0x70,0x00,0x80,0x03,0x18,0x62,0x30,0x99,0x39,0x06,0x0f,0x83,0xc1,0xcf,0xe3,0x07,0xf8,0xc1,0x7b,0x5e,0x1e,0xf6,0x1b,0xc6,0xee,0x80,0x31,0xcc,0x86,0xa5,0xc1,0x81,0x81,0xa1,0xcc,0x00,0x03,0x00,
0x02,0x66,0x16,0x20,0xf0,0xf1,0x00,0xff,0xcf,0x1f,0x36,0x1e,0xcc,0xc0,0x78,0x30,0xe6,0x8c,0x0d,0x1f,0xc0,0x01,0xe0,0x00,0x30,0x46,0x30,0x19,0x19,0x06,0x0f,0x83,0xc1,0xc3,0xe3,0x07,0xcc,0xc1,0x73,0x7e,0x1e,0x06,0x1b,0x66,0x6c,0x80,0x31,0xcc,0x86,0xe7,0xc1,0x83,0x81,0xa1,0x0c,0x00,0x00,0x00,
0x02,0xff,0x13,0x20,0x32,0xf1,0x00,0xff,0x0f,0x00,0x36,0x1e,0xcc,0xc0,0x78,0x30,0xc6,0x8c,0x0d,0x00,0xc0,0x01,0xe0,0x00,0x30,0xc4,0x30,0xf9,0x1b,0x06,0x0f,0x83,0xc1,0xc3,0xe3,0x07,0xcc,0xc1,0x73,0x7e,0x1e,0x06,0x1b,0x66,0x3c,0x80,0x31,0xcc,0x83,0xe7,0xe1,0x83,0x81,0xa1,0x0c,0x00,0x00,0x00,
0x00,0x64,0x13,0x26,0x1a,0xf3,0x00,0x20,0x00,0x00,0x34,0x1e,0xd8,0xd8,0x79,0x30,0xc6,0x8c,0x19,0x00,0x70,0x00,0x80,0x03,0x30,0x78,0x9f,0xf9,0x1b,0x06,0x0f,0x83,0xc1,0xc3,0xe3,0x07,0x8e,0xc1,0x33,0x3e,0x1e,0x06,0x1b,0x66,0x3c,0x80,0x31,0x8c,0x83,0xe7,0x61,0x86,0x01,0xe3,0x0c,0x00,0x00,0x00,
0x00,0x44,0xd3,0x4a,0x0e,0xd3,0x00,0x20,0x00,0x00,0x34,0x1e,0xf8,0xf8,0x7f,0x3c,0xc6,0x8c,0x19,0x00,0x1e,0xfe,0x1f,0x0e,0x00,0x22,0xc4,0x0c,0x1b,0x1e,0x1b,0x83,0xc1,0xc3,0xe3,0x0d,0x86,0xc1,0x23,0x3e,0x1e,0x06,0x7b,0x36,0x3c,0x8c,0x31,0x8c,0x83,0xc3,0x61,0x86,0x01,0xe3,0x0c,0x00,0x00,0x00,
0x00,0x44,0xd6,0x49,0x0c,0x93,0x00,0x20,0x00,0x00,0x34,0x1f,0xf0,0xd8,0x61,0x76,0x86,0xcd,0x39,0x80,0x03,0x00,0x00,0x38,0x00,0x0c,0x60,0x0c,0x3b,0x1e,0x1b,0x83,0xc1,0xc7,0xe3,0x0d,0x86,0xc1,0x03,0x3e,0x3e,0x07,0x73,0x36,0x6c,0x8c,0x71,0x86,0x03,0xc3,0x31,0x86,0x01,0x63,0x0c,0x00,0x00,0x00,
0x03,0x44,0xfe,0x4a,0xde,0x91,0x00,0x20,0x30,0x60,0xfc,0x9b,0xbf,0xdf,0xe0,0xe7,0x87,0xfd,0x30,0xff,0x00,0x00,0x00,0xe0,0x31,0x38,0x38,0x0c,0xf6,0xff,0xfb,0xff,0xc1,0x7e,0xe3,0xfd,0x83,0xff,0x03,0x1e,0xf6,0x03,0xfb,0x37,0xec,0x8f,0xe1,0x87,0x03,0xc3,0x30,0x8c,0xf1,0x67,0x0c,0x00,0x00,0x00,
0x03,0x44,0x7c,0x8e,0xf3,0x88,0x01,0x20,0x30,0x60,0xec,0x99,0xbf,0xcf,0xc0,0xc3,0x83,0x79,0x30,0x3f,0x00,0x00,0x00,0x00,0x31,0xe0,0x0f,0x0c,0xe6,0xf7,0xf1,0xff,0xc1,0x3c,0xe3,0xf9,0x83,0xff,0x03,0x1e,0xe6,0x01,0xef,0x1b,0xcc,0x87,0xc1,0x83,0x01,0xc3,0x38,0x8c,0xf1,0x67,0x0c,0x00,0x00,0x00,
0x00,0x00,0x10,0x00,0x00,0x08,0x01,0x00,0x30,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x18,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x20,0x0c,0x00,0x00,0x00,
0x00,0x00,0x10,0x00,0x00,0x08,0x01,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x30,0x0c,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x38,0x1c,0x00,0xfc,0x1f,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
};
void clearscreen() {
for (int y = 0; y < 128 * 4; ++y) i2cbuf[0][y] = 0;
}
void drawlpzwlogo(int y) {
if (y < -32 || y >= 128) return;
const uint8_t* src = logo32x32_rotated_pins_top;
int h = 32;
if (y + h > 128) h = 128 - y;
if (y < 0) {
h += y;
src -= y;
y = 0;
}
for (int r = 0; r < 4; ++r) {
uint8_t* dst = &i2cbuf[r][y];
for (int yy = 0; yy < h; ++yy) *dst++ = *src++;
src += 32 - h;
}
}
int drawchar24_internal(int dstx, int dsty, int c);
int drawstr24(int x, int y, const char* txt) { // returns width of string
// character drawer is flipped in x. so lets figure that out first;
x = 32 - x;
int startx = x;
for (; *txt; ++txt)
x -= drawchar24_internal(x, y, *txt);
return startx - x;
}
int strwidth24(const char* txt) {
int w = 0;
for (; *txt; ++txt) {
char c = *txt;
if (c < 33 || c >= 0x60)
w += 4;
else
w += font24_xpos[c - 32] - font24_xpos[c - 33] + 1;
}
return w;
}
int drawchar24_internal(int dstx, int dsty, int c) { // nb x is flipped here, for internal use only. returns char width
if (c < 33 || c >= 0x60)
return 4; // space size
c -= 33;
int x1 = font24_xpos[c];
int x2 = font24_xpos[c + 1];
int xw = x2 - x1;
int srcbyte = (x1 >> 3);
uint8_t* src = &font24[0][srcbyte];
uint8_t shift = (x1 & 7);
uint32_t mask = (1 << (x2 - x1)) - 1;
dstx -= xw; // because we are flipped, we need to pre-advance x!
if (dstx >= 32 || dstx < -xw || dsty < -24 || dsty >= 128)
return xw + 1; // offscreen
if (dstx < 0) {
shift -= dstx;
mask >>= -dstx;
dstx = 0;
}
uint8_t dstshift = dstx & 7;
uint8_t* dst = &i2cbuf[(dstx >> 3)][dsty];
int dsth = 24;
if (dsty < 0) {
dsth += dsty; // decrease h
dst -= dsty; // advance dst
src -= FONT24_WIDTH * dsty; // advance src
dsty = 0; // clipped!
}
if (dsty + dsth > 128) dsth = 128 - dsty;
for (int y = 0; y < dsth; ++y) {
uint32_t pixels = *(uint32_t*)src;
src += FONT24_WIDTH;
pixels >>= shift;
pixels &= mask;
pixels <<= dstshift;
for (int x = 0; x < 4; ++x) {
*dst |= (uint8_t)pixels;
pixels >>= 8;
dst += 128;
}
dst -= 128 * 4 - 1;
}
return xw + 1;
}
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