- Add delay between scans to prevent overlaod of ADB keyboard controllers - <http://geekhack.org/index.php?topic=14290.msg1068919#msg1068919>tags/v1.9
@@ -85,6 +85,7 @@ uint8_t matrix_scan(void) | |||
uint8_t key0, key1; | |||
is_modified = false; | |||
_delay_ms(16); // delay for preventing overload of poor ADB keyboard controller | |||
codes = adb_host_kbd_recv(); | |||
key0 = codes>>8; | |||
key1 = codes&0xFF; |
@@ -83,6 +83,12 @@ bool adb_host_psw(void) | |||
} | |||
#endif | |||
/* | |||
* Don't call this in a row without the delay, otherwise it makes some of poor controllers | |||
* overloaded and misses strokes. Recommended delay is 16ms. | |||
* | |||
* Thanks a lot, blargg! <http://geekhack.org/index.php?topic=14290.msg1068919#msg1068919> | |||
*/ | |||
uint16_t adb_host_kbd_recv(void) | |||
{ | |||
uint16_t data = 0; |