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basic USB keyboard functionality

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Jorj Bauer 2020-12-28 22:29:44 -05:00
parent b1e1b22333
commit d1263bbf5a
1 changed files with 63 additions and 23 deletions
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86
teensy/teensy.ino
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@ -62,35 +62,75 @@ volatile uint16_t currentBatterySum = 0;
// how often should we read the battery level?
#define BATTERYPERIOD (60 * 100000)
// FIXME: abstract this into the USB code; doesn't belong in the root...
#include "physicalkeyboard.h"
// https://www.win.tue.nl/~aeb/linux/kbd/scancodes-14.html
static uint8_t usb_scanmap[256] = {
0, 0, 0, 0, // 0-3 don't exist
'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j', 'k', // keycodes 4-29
'l', 'm', 'n', 'o', 'p', 'q', 'r', 's', 't', 'u', 'v',
'w', 'x', 'y', 'z',
'0', '1', '2', '3', '4', '5', '6', '7', '8', '9', // keycodes 30-39
PK_RET, // keycode 40
PK_ESC, // 41
PK_DEL, // 42
PK_TAB,
' ', // space bar
'-', '=',
'[', ']', '\\',
0, // 50
';', '\'', '`', ',', '.', '/',
PK_LOCK, // 57
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // 58-69, F1-F12 keys
0, 0, 0, 0, 0, 0, 0, 0, 0, // PrtScr, scroll lock, pause, insert, home, PgUp, Delete, End, PgDown
PK_RARR, PK_LARR, PK_DARR, PK_UARR, // 79-82, arrow keys
0, // 83 num lock
'/', '*', '-', '+', PK_RET, '0', '1', '2', // 84-99 keypad, which we just...
'3', '4', '5', '6', '7', '8', '9', '.', // ... use as their "normal" keys
0, // 100 undefined
PK_RA, // 101: "application" key
0, // 102 "power" key
PK_CTRL, // 103 keypad '=' but it's my left control key
PK_LSHFT, // 104, "f13" but it's my left shift key
PK_LA, // 105: "f14" but it's my left alt key
PK_LA, // 106: "f15" but it's the windows/command key
PK_CTRL, // 107: "f16" but it's my right control key
PK_RSHFT, // 108: "f17" but it's my right shift key
PK_RA, // 109: "f18" but it's my right alt key
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // 110-119
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // 120-129
0, 0, 0, // 130-132
',', // 133: keypad ,
'=', // 134: keypad =
0, 0, 0, 0, 0, // 135-139
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // 140-149
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // 150-159
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // 160-169
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // 170-179
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // 180-189
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // 190-199
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // 200-209
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // 210-219
0, 0, 0, 0, // 220-223
PK_CTRL, // 224: left control (but not on my keyboard)
PK_LSHFT, // 225: left shift (but not on my keyboard)
PK_LA, PK_LA, // 226, 227: left alt, left GUI (but not on my keyboard)
PK_CTRL, // 228: right control (but not on my keyboard)
PK_RSHFT, // 229: right shift (but not on my keyboard)
PK_RA, PK_RA, // 230, 231: right alt, right GUI (but not on my keyboard)
0, 0, 0, 0, 0, 0, 0, 0, // 232-239
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // 240-249
0, 0, 0, 0, 0, 0 // 250-255
};
void onKeypress(uint8_t keycode)
{
uint8_t mods = usb.getModifiers();
uint8_t oem = usb.getOemKey();
char buf[256];
sprintf(buf, "%d [%c] [0x%X] [0x%X]", keycode, (char)keycode, mods, oem);
Serial.println(buf);
/*
shift/control/command are automatically applied
caps lock is oemkey 57
set the keyboard LED w/ ::capsLock(bool)
modifiers are <<8 bits for the right side:
command: 0x08; option/alt: 0x04; shift: 0x02; control: 0x01
F1..F12 are 194..205
Arrows: l/r/u/d 216/215/218/217
Delete: 127 (control-delete is 31)
home/pgup/down/delete/end: 210,211,214,212,213
numlock: oem 83
keypad: 210..218 as arrows &c, or digit ascii values w/ numlock on
enter: 10
*/
// vmkeyboard->keyDepressed(keypad.key[i].kchar);
((AppleVM *)g_vm)->getKeyboard()->keyDepressed(usb_scanmap[keycode]);
}
void onKeyrelease(uint8_t keycode)
{
// vmkeyboard->keyReleased(keypad.key[i].kchar);
((AppleVM *)g_vm)->getKeyboard()->keyReleased(usb_scanmap[keycode]);
}
void setup()