Envisalink: wake DSC panel from keypad blanking before arm/disarm#165286
Envisalink: wake DSC panel from keypad blanking before arm/disarm#165286nopoz wants to merge 1 commit intohome-assistant:devfrom
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DSC panels enter a low-power display-off (blanking) mode after inactivity. TPI arm/disarm commands sent while blanked are silently rejected by the EVL because it pre-validates panel state. Send a '#' keypress to wake the panel before each arm/disarm command, equivalent to pressing # on the physical keypad.
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integration: envisalink
Quality Scale: legacy
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Pull request overview
This PR updates the Envisalink alarm control panel integration to handle DSC keypad “blanking” mode by waking the panel before sending arm/disarm commands, preventing TPI commands from being silently rejected when the keypad display is off.
Changes:
- Pass the configured panel type through platform discovery to the alarm control panel entities.
- Add a DSC-only wake step (send
#+ delay) before arm/disarm (home/away/night/disarm) commands.
Reviewed changes
Copilot reviewed 2 out of 2 changed files in this pull request and generated 1 comment.
| File | Description |
|---|---|
homeassistant/components/envisalink/alarm_control_panel.py |
Adds DSC wake-before-command behavior and threads panel type into the entity. |
homeassistant/components/envisalink/__init__.py |
Includes panel_type in discovery info when loading the alarm platform. |
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| async def _async_wake_panel(self) -> None: | ||
| """Wake DSC panel from keypad blanking state before sending commands. | ||
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| DSC panels enter a low-power display-off (blanking) mode after | ||
| inactivity. TPI arm/disarm commands sent while blanked are silently | ||
| rejected. Sending '#' wakes the panel, equivalent to pressing # on | ||
| the physical keypad. | ||
| """ | ||
| if self._panel_type != PANEL_TYPE_DSC: | ||
| return | ||
| _LOGGER.debug("Sending '#' keypress to wake panel from possible blanking state") | ||
| self.hass.data[DATA_EVL].keypresses_to_partition(self._partition_number, "#") | ||
| await asyncio.sleep(1) |
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_async_wake_panel introduces an unconditional 1s delay for every arm/disarm on DSC panels (even when keypad blanking may not be active). This will slow service calls/automations; consider making the delay conditional (if there is a reliable state signal) or at least extracting the keypress/delay into named constants so the behavior is easy to tune.
Proposed change
DSC alarm panels can enter a low-power display-off ("keypad blanking") mode after a period of inactivity. When the panel is in this state, TPI arm/disarm commands (030/031/032/040) sent via the Envisalink are silently rejected because the EVL pre-validates the panel state and sees it as "not ready."
This PR sends a
#keypress to the partition before each arm/disarm command on DSC panels, which wakes the panel from blanking — equivalent to pressing#on the physical keypad. A 1-second delay follows the keypress to allow the panel to become ready before the actual command is sent.The wakeup is only applied to DSC panels; Honeywell panels are unaffected. The panic alarm command is intentionally excluded since TPI command 060 bypasses normal partition validation.
Type of change
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