Skip to content

Added time delay to send complex data to keyboard to prevent device hang #80

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
kbrddestroyer merged 2 commits into from
Jan 29, 2026
Merged

Added time delay to send complex data to keyboard to prevent device hang #80

Changes from all commits
Commits
Show all changes
2 commits
Select commit Hold shift + click to select a range
33a7e2e
Added time delay to send complex data to keyboard to prevent device h…
kbrddestroyer Jan 26, 2026
88dbf47
logger -> Logger
kbrddestroyer Jan 29, 2026
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
18 changes: 12 additions & 6 deletions src/epomakercontroller/epomakercontroller.py
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -68,6 +68,8 @@ class HIDInfo:


class EpomakerController(ControllerBase):
COMMAND_MIN_DELAY = 1 / 1000 # ms.

"""EpomakerController class represents a controller for an Epomaker USB HID device.

Attributes:
Expand Down Expand Up @@ -245,7 +247,7 @@ def _find_device_path(self) -> Optional[bytes]:
)

if not hid_infos:
print(f"No events found with description: '{self.config.device_description}'")
Logger.log_warning(f"No events found with description: '{self.config.device_description}'")
return None

EpomakerController._populate_hid_paths(hid_infos)
Expand Down Expand Up @@ -277,7 +279,7 @@ def _populate_hid_paths(hid_infos: list[HIDInfo]) -> None:
for hi in hid_infos:
device_symlink = os.path.join(hi.event_path, "device")
if not os.path.islink(device_symlink):
print(f"No 'device' symlink found in {hi.event_path}")
Logger.log_warning(f"No 'device' symlink found in {hi.event_path}")
continue

hid_device_path = os.path.realpath(device_symlink)
Expand All @@ -290,7 +292,7 @@ def _select_device_path(self, hid_infos: list[HIDInfo]) -> Optional[bytes]:
filtered_devices = [h for h in hid_infos if device_name_filter in h.device_name]

if not filtered_devices:
print(f"Could not find {device_name_filter} interface")
Logger.log_warning(f"Could not find {device_name_filter} interface")
return None

selected_device = filtered_devices[0]
Expand Down Expand Up @@ -322,9 +324,13 @@ def _send_command(self, command: EpomakerCommand.EpomakerCommand) -> None:
for packet in command:
assert len(packet) == BUFF_LENGTH
if self.dry_run:
print(f"Dry run: skipping command send: {packet!r}")
Logger.log_info(f"Dry run: skipping command send: {packet!r}")
else:
self.device.send_feature_report(packet.get_all_bytes())
# We need to give some time for the screen to process out report
# Otherwise it will hang processing queue
# Not the best way to do it tho, but at least it works...
with TimeHelper(min_duration=EpomakerController.COMMAND_MIN_DELAY):
self.device.send_feature_report(packet.get_all_bytes())

@staticmethod
def _check_range(value: int, r: range | None = None) -> bool:
Expand Down Expand Up @@ -407,7 +413,7 @@ def send_cpu(self, cpu: int) -> None:
return

cpu_command = EpomakerCpuCommand.EpomakerCpuCommand(cpu)
print(f"Sending CPU {cpu}%")
Logger.log_info(f"Sending CPU {cpu}%")
self._send_command(cpu_command)

def set_rgb_all_keys(self, r: int, g: int, b: int) -> None:
Expand Down
Loading