Add a tool to convert keymap description to a header file

This commit is contained in:
Ondrej Jirman 2021-06-15 09:23:10 +02:00
parent 736018ce82
commit a9bb6a3691

83
inputd/map-to-c.php Normal file
View File

@ -0,0 +1,83 @@
#!/usr/bin/env php
<?php
$pmap = file_get_contents("physical-map.txt");
$kmap = file_get_contents("factory-keymap.txt");
// high nibble = row, low nibble col
$el_phys_map = [];
foreach (explode("\n", $pmap) as $ln) {
if (preg_match('#^\s*(\d+):(\d+)\s+(\d+):(\d+)#', $ln, $m)) {
$pp = (((int)$m[1] << 4) | (int)$m[2]);
$ep = ((((int)$m[3] - 1) << 4) | ((int)$m[4] - 1));
$el_phys_map[$ep] = $pp;
}
}
//var_export($el_phys_map);
echo "static const uint8_t el_phys_map[256] = {\n\t";
for ($i = 0; $i < 256; $i++) {
if ($i > 0 && $i % 8 == 0)
echo "\n\t";
echo sprintf("0x%02x, ", $el_phys_map[$i] ?? 0xff);
}
echo "\n};\n\n";
$key_names = [];
$phys_key_base = [];
$phys_key_fn = [];
$phys_key_pine = [];
foreach (explode("\n", $kmap) as $ln) {
if (preg_match('#^\s*(\d+):(\d+)\s+([^\#]+)#', $ln, $m)) {
$pp = (((int)$m[1] << 4) | (int)$m[2]);
$alts = preg_split('#\s+#', $m[3], -1, PREG_SPLIT_NO_EMPTY);
for ($i = 0; $i < 3; $i++) {
$alt = $alts[$i] ?? null;
if (!$alt)
break;
$keys = preg_split('#\+#', $alt, -1, PREG_SPLIT_NO_EMPTY);
$key_names = array_merge($key_names, $keys);
if ($i == 0)
$phys_key_base[$pp] = $keys;
if ($i == 1)
$phys_key_fn[$pp] = $keys;
if ($i == 2)
$phys_key_pine[$pp] = $keys;
// echo "$pp $i ".implode(" ", $keys)."\n";
}
$key_map[$pp] = $m[3];
}
}
$key_names = array_unique($key_names);
echo "static const int used_keys[] = {\n";
foreach ($key_names as $n)
echo "\tKEY_$n,\n";
echo "};\n\n";
echo "static const char* key_names[] = {\n";
foreach ($key_names as $n)
echo "\t[KEY_$n] = \"$n\",\n";
echo "};\n\n";
function kmap_to_code($name, $map) {
echo "static const int {$name}[256][2] = {\n";
for ($i = 0; $i < 256; $i++) {
if ($map[$i] ?? null)
echo sprintf("\t[0x%02x] = { %s },\n", $i, implode(", ", array_map(function($n) { return "KEY_$n"; }, $map[$i])));
}
echo "};\n\n";
}
kmap_to_code("keymap_base", $phys_key_base);
kmap_to_code("keymap_fn", $phys_key_fn);
kmap_to_code("keymap_pine", $phys_key_pine);