adb_usb: Fix start up delay for AEK/AEKII

Without proper delay keyboard the converter starts talking too early
before keyboard wakes up. ISO recognition and enabling Extention protocol
would be failed in the result.
https://github.com/tmk/tmk_keyboard/issues/640#issuecomment-585411393
200ms is enough for AEKs but 1000ms is used here for safety.
This commit is contained in:
tmk 2020-02-13 08:42:37 +09:00
parent 6209ceebfb
commit ce5e565f58

View file

@ -72,8 +72,13 @@ void matrix_init(void)
adb_host_init();
// wait for line and device to be stable
wait_ms(100);
// AEK/AEKII(ANSI/ISO) startup is slower. Without proper delay
// it would fail to recognize layout and enable Extended protocol.
// 200ms seems to be enough for AEKs. 1000ms is used for safety.
// Tested with devices:
// M0115J(AEK), M3501(AEKII), M0116(Standard), M1242(Adjustable),
// G5431(Mouse), 64210(Kensington Trubo Mouse 5)
wait_ms(1000);
device_scan();
@ -94,7 +99,7 @@ void matrix_init(void)
is_iso_layout = false;
break;
}
xprintf("hadler: %02X, ISO: %s\n", handler_id, (is_iso_layout ? "yes" : "no"));
xprintf("handler: %02X, ISO: %s\n", handler_id, (is_iso_layout ? "yes" : "no"));
// Adjustable keyboard media keys: address=0x07 and handlerID=0x02
has_media_keys = (0x02 == (adb_host_talk(ADB_ADDR_APPLIANCE, ADB_REG_3) & 0xff));
@ -113,6 +118,8 @@ void matrix_init(void)
led_set(host_keyboard_leds());
device_scan();
// LED off
DDRD |= (1<<6); PORTD &= ~(1<<6);
return;