applications: nrf_desktop: Support passthrough reports in hid state

Allow the hid state module to handle reports created by external modules. These reports will still be sent according to the his state rules. Signed-off-by: Pawel Dunaj <[email protected]>
nrfconnect · Jan 8, 2025 · 911b0e4 · 911b0e4
1 parent 1133ff3
commit 911b0e4
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Showing 4 changed files with 234 additions and 175 deletions.
diff --git a/applications/nrf_desktop/configuration/common/hid_report_desc.h b/applications/nrf_desktop/configuration/common/hid_report_desc.h
@@ -71,17 +71,32 @@ enum report_id {
 
 /** @brief Input reports map. */
 static const uint8_t input_reports[] = {
+#if CONFIG_DESKTOP_HID_REPORT_MOUSE_SUPPORT || CONFIG_DESKTOP_HID_BOOT_INTERFACE_MOUSE
 	REPORT_ID_MOUSE,
+#endif
+#if CONFIG_DESKTOP_HID_REPORT_KEYBOARD_SUPPORT || CONFIG_DESKTOP_HID_BOOT_INTERFACE_KEYBOARD
 	REPORT_ID_KEYBOARD_KEYS,
+#endif
+#if CONFIG_DESKTOP_HID_REPORT_SYSTEM_CTRL_SUPPORT
 	REPORT_ID_SYSTEM_CTRL,
+#endif
+#if CONFIG_DESKTOP_HID_REPORT_CONSUMER_CTRL_SUPPORT
 	REPORT_ID_CONSUMER_CTRL,
+#endif
+	/* Keep boot reports at the end as these don't have own data. */
+#if CONFIG_DESKTOP_HID_BOOT_INTERFACE_MOUSE
 	REPORT_ID_BOOT_MOUSE,
+#endif
+#if CONFIG_DESKTOP_HID_BOOT_INTERFACE_KEYBOARD
 	REPORT_ID_BOOT_KEYBOARD,
+#endif
 };
 
 /** @brief Output reports map. */
 static const uint8_t output_reports[] = {
+#if CONFIG_DESKTOP_HID_REPORT_KEYBOARD_SUPPORT
 	REPORT_ID_KEYBOARD_LEDS,
+#endif
 };
 
 /* Internal definitions used to calculate size of the biggest supported HID input report. */

diff --git a/applications/nrf_desktop/src/modules/Kconfig.hid_state b/applications/nrf_desktop/src/modules/Kconfig.hid_state
@@ -60,6 +60,16 @@ config DESKTOP_HID_EVENT_QUEUE_SIZE
 	help
 	  Size of the HID event queue.
 
+config DESKTOP_HID_STATE_RAW_REPORTS
+	bool
+	help
+	  This option should be selected if the application code issue reports
+	  prepared outside of the HID state module.
+	  The HID state module will work as proxy collecting and holding such
+	  reports.
+	  The HID state will not alter the data but will make sure the reports
+	  are sent to the transport in an organized manner.
+
 module = DESKTOP_HID_STATE
 module-str = HID state
 source "subsys/logging/Kconfig.template.log_config"