Merge 0947d355d4 into 0f972f1cc3

app/Kconfig

@@ -425,6 +425,10 @@ config ZMK_IDLE_SLEEP_TIMEOUT
     int "Milliseconds of inactivity before entering deep sleep"
     default 900000
 
+config ZMK_NO_SLEEP_WHILE_BLE_CONNECTED
+    bool "Prevent deep sleep while BLE is connected"
+    depends on ZMK_BLE
+
 #ZMK_SLEEP
 endif
 

app/src/activity.c

@@ -26,6 +26,10 @@ LOG_MODULE_DECLARE(zmk, CONFIG_ZMK_LOG_LEVEL);
 #include <zmk/usb.h>
 #endif
 
+#if IS_ENABLED(CONFIG_ZMK_NO_SLEEP_WHILE_BLE_CONNECTED)
+#include <zmk/ble.h>
+#endif
+
 bool is_usb_power_present(void) {
 #if IS_ENABLED(CONFIG_USB_DEVICE_STACK)
     return zmk_usb_is_powered();
@@ -68,8 +72,21 @@ int activity_event_listener(const zmk_event_t *eh) {
 void activity_work_handler(struct k_work *work) {
     int32_t current = k_uptime_get();
     int32_t inactive_time = current - activity_last_uptime;
+
 #if IS_ENABLED(CONFIG_ZMK_SLEEP)
-    if (inactive_time > MAX_SLEEP_MS && !is_usb_power_present()) {
+    bool prevent_sleep = is_usb_power_present();
+
+#if IS_ENABLED(CONFIG_ZMK_NO_SLEEP_WHILE_BLE_CONNECTED)
+    /* if user inactive and USB is not connected,
+     * keyboard will sleep as soon as BLE is disconnected
+     */
+#if !IS_ENABLED(CONFIG_ZMK_SPLIT) || IS_ENABLED(CONFIG_ZMK_SPLIT_ROLE_CENTRAL)
+    prevent_sleep = prevent_sleep || zmk_ble_active_profile_is_connected();
+#else
+    prevent_sleep = prevent_sleep || zmk_split_bt_peripheral_is_connected();
+#endif
+#endif
+    if (inactive_time > MAX_SLEEP_MS && !prevent_sleep) {
         // Put devices in suspend power mode before sleeping
         set_state(ZMK_ACTIVITY_SLEEP);
 

docs/docs/config/power.md

@@ -19,10 +19,11 @@ In the deep sleep state, the keyboard additionally disconnects from Bluetooth an
 Definition file: [zmk/app/Kconfig](https://github.com/zmkfirmware/zmk/blob/main/app/Kconfig)
 
 | Config                                    | Type | Description                                                                                      | Default |
-| ------------------------------- | ---- | ----------------------------------------------------- | ------- |
+| ----------------------------------------- | ---- | ------------------------------------------------------------------------------------------------ | ------- |
 | `CONFIG_ZMK_IDLE_TIMEOUT`                 | int  | Milliseconds of inactivity before entering idle state                                            | 30000   |
 | `CONFIG_ZMK_SLEEP`                        | bool | Enable deep sleep support                                                                        | n       |
 | `CONFIG_ZMK_IDLE_SLEEP_TIMEOUT`           | int  | Milliseconds of inactivity before entering deep sleep                                            | 900000  |
+| `CONFIG_ZMK_NO_SLEEP_WHILE_BLE_CONNECTED` | bool | Prevent deep sleep while BLE is connected (active profile on central, split comms on peripheral) | n       |
 
 ## Soft Off