From e99e406703b610fa0e5401d556ae4782d04abd7e Mon Sep 17 00:00:00 2001
From: Michele Balistreri <michele@bitgamma.com>
Date: Fri, 21 Oct 2022 17:15:00 +0200
Subject: [PATCH] add report descriptor

---
 USB_Device/App/usbd_custom_hid_if.c | 13 ++++++++++++-
 USB_Device/Target/usbd_conf.h       |  4 ++--
 2 files changed, 14 insertions(+), 3 deletions(-)

diff --git a/USB_Device/App/usbd_custom_hid_if.c b/USB_Device/App/usbd_custom_hid_if.c
index c5a456b..07c5b55 100644
--- a/USB_Device/App/usbd_custom_hid_if.c
+++ b/USB_Device/App/usbd_custom_hid_if.c
@@ -94,7 +94,18 @@ static Command* usb_cmd;
 __ALIGN_BEGIN static uint8_t CUSTOM_HID_ReportDesc_FS[USBD_CUSTOM_HID_REPORT_DESC_SIZE] __ALIGN_END =
 {
   /* USER CODE BEGIN 0 */
-  0x00,
+  0x06, 0x00, 0xff,
+  0x09, 0x01,
+  0xa1, 0x01,
+  0x15, 0x00,
+  0x26, 0xff, 0x00,
+  0x75, 0x08,
+  0x95, 0x40,
+  0x09, 0x01,
+  0x81, 0x02,
+  0x95, 0x40,
+  0x09, 0x01,
+  0x91, 0x02,
   /* USER CODE END 0 */
   0xC0    /*     END_COLLECTION	             */
 };
diff --git a/USB_Device/Target/usbd_conf.h b/USB_Device/Target/usbd_conf.h
index 9b4c50e..21809ca 100644
--- a/USB_Device/Target/usbd_conf.h
+++ b/USB_Device/Target/usbd_conf.h
@@ -74,13 +74,13 @@
 /*---------- -----------*/
 #define USBD_DEBUG_LEVEL     0U
 /*---------- -----------*/
-#define USBD_LPM_ENABLED     1U
+#define USBD_LPM_ENABLED     0U
 /*---------- -----------*/
 #define USBD_SELF_POWERED     0U
 /*---------- -----------*/
 #define USBD_CUSTOMHID_OUTREPORT_BUF_SIZE     64U
 /*---------- -----------*/
-#define USBD_CUSTOM_HID_REPORT_DESC_SIZE     64U
+#define USBD_CUSTOM_HID_REPORT_DESC_SIZE     27U
 /*---------- -----------*/
 #define CUSTOM_HID_FS_BINTERVAL     20U