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Commit db1afb84 authored by minute's avatar minute
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Merge branch 'kbd-bitmaps' of source.mnt.re:reform/reform into kbd-bitmaps

parents 65041207 e46b4460
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#!/bin/sh
gcc -O2 -o kbdgfx ./kbdgfx.c -lm
/*
kbdgfx.c -- Demo for drawing realtime graphics to the MNT Reform Keyboard
Copyright 2022 MNT Research GmbH (https://mntre.com)
License: MIT
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <stdint.h>
#include <math.h>
#include <unistd.h>
#define ROWS 4
#define COLS 126
#define BUFSZ (5+COLS*ROWS)
#define FBUFSZ COLS*ROWS*8
// our unpacked, wasteful framebuffer (one byte per pixel, 126x32)
uint8_t fb[FBUFSZ];
// the buffer we're sending to the keyboard (bit packed and column byte order)
uint8_t buf[BUFSZ];
void oled_blit(uint8_t* src, uint8_t* dst) {
for (int y = 0; y < ROWS; y++) {
// right-to-left
for (int x = 0; x < COLS; x++) {
uint8_t column = 0;
for (int z = 0; z < 8; z++) {
// look up the pixel and threshold it to black and white at 127
uint8_t bit = src[((y * 8 + 7 - z)*COLS + x)] > 127;
// bitshift the column byte to the left to make room for new pixel
column <<= 1;
// OR the bit (the pixel) to the column byte
column |= bit;
}
// store in the destination buffer
dst[y*COLS + x] = column;
}
}
}
// unused
void fill_pattern(uint8_t bitpattern, uint8_t* dst) {
int i = 0;
for (int y = 0; y < 32; y++) {
for (int x = 0; x < COLS; x++) {
uint8_t pos = x % 8;
uint8_t b = bitpattern & (1<<pos);
dst[i++] = b ? 1 : 0;
}
}
}
void draw_sine(float t, uint8_t* dst) {
for (int x=0; x<126; x++) {
int y = 16 + sin(t + ((float)x/126.0 * 3.141))*12;
if (y < 0) y = 0;
if (y > 31) y = 31;
dst[y*COLS + x] = 0xff;
}
}
int main(int argc, char** argv) {
// just a counter
uint32_t t = 0;
if (argc < 2) {
printf("Usage: sudo kbdgfx /dev/hidraw0 [bitmap.raw]\n");
exit(1);
}
// loop forever
while (1) {
FILE* f = fopen(argv[1],"w");
if (!f) {
printf("Couldn't open %s. Try sudo.\n", argv[1]);
exit(1);
}
// start with the command
buf[0] = 'x';
buf[1] = 'W';
buf[2] = 'B';
buf[3] = 'I';
buf[4] = 'T';
// clear
memset(fb, 0, FBUFSZ);
if (argc == 3) {
// read bitmap from file
FILE* bmf = fopen(argv[2],"r");
if (!bmf) {
printf("Couldn't open bitmap %s!\n", argv[2]);
fclose(f);
exit(2);
}
int res = fread(fb, FBUFSZ, 1, bmf);
fclose(bmf);
if (res<1) {
printf("Couldn't read bitmap or wrong size.\n", argv[2]);
fclose(f);
exit(3);
}
} else {
// graphics demo
// paint
draw_sine((float)t*0.03, fb);
draw_sine((float)t*0.05, fb);
}
// convert to weird OLED buffer format
oled_blit(fb, buf+5);
// send our buffer to the keyboard
fwrite(buf, BUFSZ, 1, f);
fclose(f);
// if we're in bitmap file mode, exit now
if (argc == 3) exit(0);
// ~50 FPS
usleep(1000*20);
// ~2 FPS
//usleep(1000*500);
t++;
}
}
#!/bin/bash
# Usage: ./picture-floyd.sh /dev/hidraw3 picture.jpg
#convert $2 -resize 126 -crop 126x32+0+0 -depth 8 -dither FloydSteinberg -remap pattern:gray50 gray:temp.bin
convert $2 -resize 126 -gravity center -extent 126x32 -depth 8 -dither FloydSteinberg -remap pattern:gray50 gray:temp.bin
sudo ./kbdgfx $1 ./temp.bin
#!/bin/bash
# Usage: ./picture.sh /dev/hidraw3 picture.png
convert $2 -resize 126 -gravity center -extent 126x32 -depth 8 gray:temp.bin
sudo ./kbdgfx $1 ./temp.bin
#!/bin/bash
# Usage: ./text.sh /dev/hidraw3 18 "hello world"
convert -size 126x32 -background black -font Inter-Bold.ttf -pointsize $2 -fill white -gravity center caption:"$3" -depth 8 -flatten gray:temp.bin
sudo ./kbdgfx $1 ./temp.bin
......@@ -22,7 +22,7 @@ uint8_t matrix[KBD_MATRIX_SZ] = {
// When holding down HYPER
uint8_t matrix_fn[KBD_MATRIX_SZ] = {
// Media keys (not working, FIXME)
// Media keys on Hyper + F7-F12
KEY_ESCAPE,
KEY_F1,
KEY_F2,
......
......@@ -17,12 +17,13 @@ int current_menu_y = 0;
int current_scroll_y = 0;
#ifdef KBD_VARIANT_STANDALONE
#define MENU_NUM_ITEMS 4
#define MENU_NUM_ITEMS 5
const MenuItem menu_items[] = {
{ "Exit Menu ESC", KEY_ESCAPE },
{ "Key Backlight- F1", KEY_F1 },
{ "Key Backlight+ F2", KEY_F2 },
{ "System Status s", KEY_S }
{ "System Status s", KEY_S },
{ "USB Flashing Mode x", KEY_X },
};
#else
#define MENU_NUM_ITEMS 9
......@@ -67,6 +68,11 @@ int execute_menu_function(int y) {
return execute_meta_function(KEY_ESCAPE);
}
#define BOOTLOADER_START_ADDRESS ((0x8000-0x1000) >> 1)
void jump_to_bootloader(void) {
((void (*)(void))BOOTLOADER_START_ADDRESS)();
}
// returns 1 for navigation function (stay in meta mode), 0 for terminal function
int execute_meta_function(int keycode) {
if (keycode == KEY_0) {
......@@ -133,6 +139,9 @@ int execute_meta_function(int keycode) {
gfx_clear();
gfx_flush();
}
else if (keycode == KEY_X) {
jump_to_bootloader();
}
gfx_clear();
gfx_flush();
......
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