Changes in uspace/lib/usb/src/hiddescriptor.c [3b5d5b9d:b9d7965] in mainline

File:

• uspace/lib/usb/src/hiddescriptor.c (modified) (4 diffs)

uspace/lib/usb/src/hiddescriptor.c

@@ -101 +101 @@
 }
 
-
-/*
- *
- *
- */
 int usb_hid_report_append_fields(usb_hid_report_t *report, usb_hid_report_item_t *report_item)
 {
@@ -139 +134 @@
                 if(report_item->usages_count > 0 && ((report_item->usage_minimum == 0) && (report_item->usage_maximum == 0))) {
                         uint32_t usage;
-                        if(i < report_item->usages_count){
-                                usage = report_item->usages[i];
+                        if(report_item->type != USB_HID_REPORT_TYPE_OUTPUT) {
+                                if(i < report_item->usages_count){
+                                        usage = report_item->usages[i];
+                                }
+                                else {
+                                        usage = report_item->usages[report_item->usages_count - 1];
+                                }
                         }
                         else {
-                                usage = report_item->usages[report_item->usages_count - 1];
+                                if((report_item->count - i - 1) < report_item->usages_count){
+                                        usage = report_item->usages[(report_item->count - i - 1)];
+                                }
+                                else {
+                                        usage = report_item->usages[report_item->usages_count - 1];
+                                }
                         }
 
@@ -159 +164 @@
 
                 if((USB_HID_ITEM_FLAG_VARIABLE(report_item->item_flags) != 0) && (!((report_item->usage_minimum == 0) && (report_item->usage_maximum == 0)))) {
-                        field->usage = report_item->usage_minimum + i;                                  
+                        if(report_item->type == USB_HID_REPORT_TYPE_INPUT) {
+                                field->usage = report_item->usage_maximum - i;
+                        }
+                        else {
+                                field->usage = report_item->usage_minimum + i;                                  
+                        }
+
                 }
                 
@@ -168 +179 @@
 
                 field->size = report_item->size;
-                
-                size_t offset_byte = (report_item->offset + (i * report_item->size)) / 8;
-                size_t offset_bit = 8 - ((report_item->offset + (i * report_item->size)) % 8) - report_item->size;
-
-                field->offset = 8 * offset_byte + offset_bit;
+                field->offset = report_item->offset + (i * report_item->size);
                 if(report_item->id != 0) {
                         field->offset += 8;