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suppress HID messages when device is disconnected

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kenji
2026-05-08 12:25:54 -04:00
parent e3620971b1
commit 722a9b489b
2 changed files with 19 additions and 11 deletions
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usb_device.c
+10 -7
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@@ -79,19 +79,17 @@ void usb_device_main(void) {
while (true) {
switch ( device_state ) {
case DEVICE_ACTIVE:
if (!tud_mounted()) {
device_state = DEVICE_INACTIVE;
}
break;
case DEVICE_INACTIVE:
break;
case DEVICE_RESTART:
if (tud_disconnect()) {
device_state = DEVICE_INACTIVE;
sleep_ms(10);
if (tud_connect()) {
if ( host_state == HOST_INACTIVE ) {
device_state = DEVICE_INACTIVE;
} else {
device_state = DEVICE_ACTIVE;
}
}
tud_connect();
}
break;
default:
@@ -243,6 +241,11 @@ uint16_t tud_hid_get_report_cb(uint8_t instance, uint8_t report_id, hid_report_t
return 0;
}
// Invoked when device is mounted
void tud_mount_cb(void) {
device_state = DEVICE_ACTIVE;
}
// print message to CDC in raw hex
void cdc_print_hex(uint8_t const* msg, uint16_t msg_len) {
(void) msg;