Fix for mechanical keyboards sending > 8 byte packets

Downstream/Middlewares/ST/STM32_USB_Host_Library/Class/HID/Inc/usbh_hid.h

@@ -65,6 +65,7 @@
 
 #define HID_MIN_POLL                                10
 #define HID_MAX_REPORT_SIZE                         8
+#define HID_REPORT_BUFFER_SIZE                      64
 #define HID_MAX_USAGE                               10
 #define HID_MAX_NBR_REPORT_FMT                      10
 //#define HID_QUEUE_SIZE                              10
@@ -234,7 +235,7 @@ typedef struct _HID_Process
   uint8_t              Protocol;
   HID_DescTypeDef      HID_Desc;
   TransactionCompleteCallbackTypeDef   ReportCallback;
-  uint8_t              Data[HID_MAX_REPORT_SIZE];
+  uint8_t              Data[HID_REPORT_BUFFER_SIZE];
 }
 HID_HandleTypeDef;
 

Downstream/Middlewares/ST/STM32_USB_Host_Library/Class/HID/Src/usbh_hid.c

@@ -173,15 +173,8 @@ static USBH_StatusTypeDef USBH_HID_InterfaceInit (USBH_HandleTypeDef *phost)
     HID_Handle->poll      = phost->device.CfgDesc.Itf_Desc[phost->device.current_interface].Ep_Desc[0].bInterval;
     HID_Handle->Protocol  = phost->device.CfgDesc.Itf_Desc[phost->device.current_interface].bInterfaceProtocol;
     
-    if (HID_Handle->poll  < HID_MIN_POLL) 
+    if (HID_Handle->poll  < HID_MIN_POLL) HID_Handle->poll = HID_MIN_POLL;
-    {
+    if (HID_Handle->length > HID_REPORT_BUFFER_SIZE) return USBH_FAIL;          //Some mechanical keyboards need to send > 8 byte packets
-      HID_Handle->poll = HID_MIN_POLL;
-    }
-    
-    if (HID_Handle->length > HID_MAX_REPORT_SIZE)
-    {
-        return USBH_FAIL;
-    }
 
     /* Check fo available number of endpoints */
     /* Find the number of EPs in the Interface Descriptor */