Merge 9ecacd47e2 into 92e7618346

app/Kconfig

@@ -541,6 +541,10 @@ choice CBPRINTF_IMPLEMENTATION
 
 endchoice
 
+config ZMK_USB_REPORT_LEDS
+  bool "Enable usb report leds"
+  select ENABLE_HID_INT_OUT_EP
+
 module = ZMK
 module-str = zmk
 source "subsys/logging/Kconfig.template.log_config"

app/include/zmk/hid.h

@@ -183,6 +183,41 @@ static const uint8_t zmk_hid_report_desc[] = {
     CONFIG_ZMK_HID_CONSUMER_REPORT_SIZE,
     HID_MI_INPUT,
     0x00,
+
+#ifdef CONFIG_ZMK_USB_REPORT_LEDS
+    /* LED */
+    0x85,
+    0x01,
+    /* REPORT_COUNT (5) */
+    HID_GI_REPORT_COUNT,
+    0x05,
+    /* REPORT_SIZE (1) */
+    HID_GI_REPORT_SIZE,
+    0x01,
+    /* USAGE_PAGE (Page# for LEDs) */
+    HID_GI_USAGE_PAGE,
+    0x08,
+    /* USAGE_MINIMUM (1) */
+    0x19,
+    0x01,
+    /* USAGE_MAXIMUM (5) */
+    0x29,
+    0x05,
+    /* OUTPUT (Data, Variable, Absolute), */
+    HID_MI_OUTPUT,
+    0x02,
+    /* LED REPORT */
+    /* REPORT_COUNT (1) */
+    HID_GI_REPORT_COUNT,
+    0x01,
+    /* REPORT_SIZE (3) */
+    HID_GI_REPORT_SIZE,
+    0x03,
+    /* OUTPUT (Data, Variable, Absolute), */
+    HID_MI_OUTPUT,
+    0x01,
+#endif /* CONFIG_ZMK_USB_REPORT_LEDS */
+
     /* END COLLECTION */
     HID_MI_COLLECTION_END,
 };

app/include/zmk/usb.h

@@ -26,4 +26,7 @@ static inline bool zmk_usb_is_hid_ready() { return zmk_usb_get_conn_state() == Z
 
 #ifdef CONFIG_ZMK_USB
 int zmk_usb_hid_send_report(const uint8_t *report, size_t len);
+#ifdef CONFIG_ZMK_USB_REPORT_LEDS
+int zmk_usb_hid_receive_report(uint8_t *report, size_t len);
+#endif /* CONFIG_ZMK_USB_REPORT_LEDS */
 #endif /* CONFIG_ZMK_USB */

app/src/usb.c

@@ -59,6 +59,20 @@ int zmk_usb_hid_send_report(const uint8_t *report, size_t len) {
     }
 }
 
+#ifdef CONFIG_ZMK_USB_REPORT_LEDS
+
+int zmk_usb_hid_receive_report(uint8_t *report, size_t len) {
+    int err = hid_int_ep_read(hid_dev, report, len, NULL);
+
+    if (err) {
+        LOG_ERR("Error receive report %d", err);
+    }
+
+    return err;
+}
+
+#endif /* CONFIG_ZMK_USB_REPORT_LEDS */
+
 #endif /* CONFIG_ZMK_USB */
 
 enum usb_dc_status_code zmk_usb_get_status() { return usb_status; }