Tiny framebuffer for SSD1306 and similar displays.
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ufb/fontedit_gen45.c

40 lines
1009 B

#include <stdlib.h>
#include <stdio.h>
#include <stdint.h>
struct X {
uint8_t data[4];
};
const struct X font[] = {
{{0x0e, 0x11, 0x11, 0x0e}}, // 0
{{0x04, 0x12, 0x1f, 0x10}}, // 1
{{0x12, 0x19, 0x15, 0x12}}, // 2
{{0x0a, 0x11, 0x15, 0x0a}}, // 3
{{0x07, 0x04, 0x1e, 0x04}}, // 4
{{0x17, 0x15, 0x15, 0x09}}, // 5
{{0x0e, 0x15, 0x15, 0x09}}, // 6
{{0x11, 0x09, 0x05, 0x03}}, // 7
{{0x0a, 0x15, 0x15, 0x0a}}, // 8
{{0x12, 0x15, 0x15, 0x0a}}, // 9
{{0x00, 0x00, 0x00, 0x00}}, // ' '
};
void main() {
printf("const char* symbols[] = {\n");
for(int c = 0; c < 11; c++) {
printf(" // %d \"%c\"\n", c+'0', c+'0');
for(int j=0;j<5;j++){
printf(" \"");
for(int k=0;k<4;k++){
if (font[c].data[k]& (1<<j)) {
printf("#");
} else {
printf(" ");
}
}
printf("\",\n");
}
}
printf("};\n");
}