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Add auto-shutdown support for Cloud III S Wireless

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Implement auto-shutdown timer functionality for the Cloud III S Wireless headset
based on pcap analysis. The feature uses SET_REPORT (report ID 0x0c) with timeout
values encoded as 16-bit big-endian seconds. Supports disabling (0 minutes) and
various preset durations via the existing automatic_shutdown CLI option.
This commit is contained in:
NubeBuster
2026-01-12 23:02:18 +01:00
parent a3f0fa63dd
commit 0e46295ffd
1 changed files with 22 additions and 3 deletions
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25
src/devices/cloud_iii_s_wireless.rs
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@@ -18,6 +18,13 @@ const MIC_HEADER: u8 = 0x05;
const MIC_ON_CMD: u8 = 0x00;
const MIC_OFF_CMD: u8 = 0x02;
// Auto-shutdown control (via SET_REPORT, report ID 0x0c)
// Packet structure: 0c 02 03 00 00 4a XX 00... (64 bytes total)
// XX values: 00=disabled, 02=10min, 04=20min, 07=30min
const AUTO_SHUTDOWN_REPORT_ID: u8 = 0x0c;
const AUTO_SHUTDOWN_CMD: [u8; 5] = [0x02, 0x03, 0x00, 0x00, 0x4a];
const AUTO_SHUTDOWN_PACKET_SIZE: usize = 64;
// Button report header (incoming from headset)
const CONSUMER_CONTROL_HEADER: u8 = 0x0f;
// Consumer control button values
@@ -32,6 +39,17 @@ fn make_mic_packet(mute: bool) -> Vec<u8> {
packet
}
fn make_auto_shutdown_packet(minutes: u64) -> Vec<u8> {
let mut packet = vec![0u8; AUTO_SHUTDOWN_PACKET_SIZE];
packet[0] = AUTO_SHUTDOWN_REPORT_ID;
packet[1..6].copy_from_slice(&AUTO_SHUTDOWN_CMD);
// Value is 16-bit big-endian seconds
let seconds = (minutes * 60) as u16;
packet[6] = (seconds >> 8) as u8; // High byte
packet[7] = (seconds & 0xFF) as u8; // Low byte
packet
}
pub struct CloudIIISWireless {
state: DeviceState,
}
@@ -58,9 +76,10 @@ impl Device for CloudIIISWireless {
None
}
// Cloud III S: Auto shutdown not discovered yet
fn set_automatic_shut_down_packet(&self, _shutdown_after: Duration) -> Option<Vec<u8>> {
None
// Cloud III S: Auto shutdown via SET_REPORT (report ID 0x0c)
fn set_automatic_shut_down_packet(&self, shutdown_after: Duration) -> Option<Vec<u8>> {
let minutes = shutdown_after.as_secs() / 60;
Some(make_auto_shutdown_packet(minutes))
}
fn get_automatic_shut_down_packet(&self) -> Option<Vec<u8>> {