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adb_usb: Add PSW pin support #735

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NeXT ADB keyboard Power key doesn't send scan code and only asserts PSW.
This commit is contained in:
tmk 2022-04-25 18:56:33 +09:00
parent da230d3896
commit 538a241ddc
2 changed files with 17 additions and 1 deletions
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2
converter/adb_usb/config.h
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@ -56,7 +56,7 @@ along with this program. If not, see <http://www.gnu.org/licenses/>.
#define ADB_PIN PIND
#define ADB_DDR DDRD
#define ADB_DATA_BIT 0
//#define ADB_PSW_BIT 1 // optional
#define ADB_PSW_BIT 1
/* key combination for command */
#ifndef __ASSEMBLER__

16
converter/adb_usb/matrix.c
View file

@ -621,6 +621,22 @@ uint8_t matrix_scan(void)
if (!codes && adb_service_request()) codes = adb_host_kbd_recv(ADB_ADDR_KEYBOARD);
if (codes) xprintf("%04X ", codes);
// Check PSW pin
static bool psw_state = false;
if (codes == 0) {
if (!psw_state) {
if (!adb_host_psw()) {
codes = 0x7F7F; // power key press
psw_state = true;
}
} else {
if (adb_host_psw()) {
codes = 0xFFFF; // power key release
psw_state = false;
}
}
}
// Adjustable keybaord media keys
if (codes == 0 && has_media_keys &&
(codes = adb_host_kbd_recv(ADB_ADDR_APPLIANCE))) {