Changeset c7b5826 in mainline for uspace/lib/usbhid/src/hiddescriptor.c

Timestamp:

2011-05-18T09:34:56Z (13 years ago)

Author:

Jan Vesely <jano.vesely@…>

Branches:

lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export

Children:

33d19a7

Parents:

d736fe38 (diff), b2995c3 (diff)
Note: this is a merge changeset, the changes displayed below correspond to the merge itself.
Use the (diff) links above to see all the changes relative to each parent.

Message:

Development branch changes

File:

• uspace/lib/usbhid/src/hiddescriptor.c (modified) (17 diffs)

uspace/lib/usbhid/src/hiddescriptor.c

@@ -27 +27 @@
  */
 
-/** @addtogroup libusb
+/** @addtogroup libusbhid
  * @{
  */
@@ -33 +33 @@
  * HID report descriptor and report data parser implementation.
  */
-#include <usb/classes/hidparser.h>
+#include <usb/hid/hidparser.h>
 #include <errno.h>
 #include <stdio.h>
@@ -64 +64 @@
 {
         /* find or append current collection path to the list */
-        link_t *path_it = report->collection_paths.next;
+        //link_t *path_it = report->collection_paths.next;
+        link_t *path_it = report->collection_paths.prev->next;
         usb_hid_report_path_t *path = NULL;
+        
+        
         while(path_it != &report->collection_paths) {
                 path = list_get_instance(path_it, usb_hid_report_path_t, link);
@@ -116 +119 @@
         int i;
 
-        for(i=0; i<report_item->usages_count; i++){
-                usb_log_debug("usages (%d) - %x\n", i, report_item->usages[i]);
-        }
-
+        uint32_t *usages;
+        int usages_used=0;
+        if(report_item->usages_count > 0){
+                usages = malloc(sizeof(int32_t) * report_item->usages_count);
+                memcpy(usages, report_item->usages, sizeof(int32_t) * report_item->usages_count);
+        }
+        else {
+                usages = NULL;
+        }
+        
         usb_hid_report_path_t *path = report_item->usage_path;  
         for(i=0; i<report_item->count; i++){
@@ -133 +142 @@
                 field->physical_maximum = report_item->physical_maximum;
 
-                field->usage_minimum = report_item->usage_minimum;
-                field->usage_maximum = report_item->usage_maximum;
-                if(report_item->extended_usage_page != 0){
-                        field->usage_page = report_item->extended_usage_page;
+                if(USB_HID_ITEM_FLAG_VARIABLE(report_item->item_flags) == 0){
+                        /* 
+                                Store usage array. The Correct Usage Page and Usage is depending 
+                                on data in report and will be filled later
+                        */
+                        field->usage = 0;
+                        field->usage_page = 0; //report_item->usage_page;
+
+                        field->usages_count = report_item->usages_count;
+                        field->usages = usages;
+                        usages_used = 1;
                 }
                 else {
-                        field->usage_page = report_item->usage_page;
-                }
-
-                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){
+
+                        /* Fill the correct Usage and Usage Page */
+                        int32_t usage;
+                        if(i < report_item->usages_count) {
                                 usage = report_item->usages[i];
                         }
@@ -151 +165 @@
                         }
 
-                                                
-                        if((usage & 0xFFFF0000) != 0){
-                                field->usage_page = (usage >> 16);                                      
-                                field->usage = (usage & 0xFFFF);
+                        if(USB_HID_IS_EXTENDED_USAGE(usage)){
+                                field->usage = USB_HID_EXTENDED_USAGE(usage);
+                                field->usage_page = USB_HID_EXTENDED_USAGE_PAGE(usage);
                         }
                         else {
+                                // should not occur
                                 field->usage = usage;
-                        }
-
-                        
-                }       
-
-                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;                                  
+                                field->usage_page = report_item->usage_page;
+                        }
                 }
                 
@@ -209 +218 @@
         }
 
+        // free only when not used!!!
+        if(usages && usages_used == 0) {
+                free(usages);
+        }
 
         return EOK;
@@ -450 +463 @@
                         
                 case USB_HID_REPORT_TAG_COLLECTION:
+
                         // store collection atributes
                         path_item = list_get_instance(usage_path->head.prev, usb_hid_report_usage_path_t, link);
@@ -455 +469 @@
                         
                         // set last item
-                        usb_hid_report_set_last_item(usage_path, USB_HID_TAG_CLASS_GLOBAL, report_item->usage_page);
-                        usb_hid_report_set_last_item(usage_path, USB_HID_TAG_CLASS_LOCAL, report_item->usages[report_item->usages_count-1]);
+                        usb_hid_report_set_last_item(usage_path, 
+                                                     USB_HID_TAG_CLASS_GLOBAL, 
+                                                     USB_HID_EXTENDED_USAGE_PAGE(report_item->usages[report_item->usages_count-1]));
+                        usb_hid_report_set_last_item(usage_path, 
+                                                     USB_HID_TAG_CLASS_LOCAL, 
+                                                     USB_HID_EXTENDED_USAGE(report_item->usages[report_item->usages_count-1]));
                         
                         // append the new one which will be set by common
@@ -551 +569 @@
                              usb_hid_report_item_t *report_item, usb_hid_report_path_t *usage_path)
 {
+        int32_t extended_usage;
+        
         switch(tag) {
                 case USB_HID_REPORT_TAG_USAGE:
@@ -560 +580 @@
                                         report_item->in_delimiter = INSIDE_DELIMITER_SET;
                                 case OUTSIDE_DELIMITER_SET:
-                                        report_item->usages[report_item->usages_count] = usb_hid_report_tag_data_uint32(data,item_size);
+                                        extended_usage = ((report_item->usage_page) << 16);
+                                        extended_usage += usb_hid_report_tag_data_uint32(data,item_size);
+                                        report_item->usages[report_item->usages_count] = extended_usage;
                                         report_item->usages_count++;
                                         break;
                         }
                         break;
-                case USB_HID_REPORT_TAG_USAGE_MINIMUM:
+                case USB_HID_REPORT_TAG_USAGE_MINIMUM:                  
                         if (item_size == 3) {
                                 // usage extended usages
@@ -577 +599 @@
                 case USB_HID_REPORT_TAG_USAGE_MAXIMUM:
                         if (item_size == 3) {
+
+                                if(report_item->extended_usage_page != ((usb_hid_report_tag_data_uint32(data,item_size) & 0xFF00) >> 16)) {
+                                        return EINVAL;
+                                }
+                                
                                 // usage extended usages
                                 report_item->extended_usage_page = (usb_hid_report_tag_data_uint32(data,item_size) & 0xFF00) >> 16; 
@@ -584 +611 @@
                                 report_item->usage_maximum = usb_hid_report_tag_data_uint32(data,item_size);
                         }
+
+                        // vlozit zaznamy do pole usages
+                        int32_t i;
+                        for(i=report_item->usage_minimum; i<=report_item->usage_maximum; i++) {
+                                if(report_item->extended_usage_page) {
+                                        report_item->usages[report_item->usages_count++] = (report_item->extended_usage_page << 16) + i;
+                                }
+                                else {
+                                        
+                                        report_item->usages[report_item->usages_count++] = (report_item->usage_page << 16) + i;
+                                }
+                        }
+                        report_item->extended_usage_page = 0;
+                        
                         break;
                 case USB_HID_REPORT_TAG_DESIGNATOR_INDEX:
@@ -663 +704 @@
                 usb_log_debug("\t\ttUSAGEMIN: %X\n", report_item->usage_minimum);
                 usb_log_debug("\t\tUSAGEMAX: %X\n", report_item->usage_maximum);
+                usb_log_debug("\t\tUSAGES COUNT: %zu\n", report_item->usages_count);
 
                 usb_log_debug("\t\tVALUE: %X\n", report_item->value);
@@ -668 +710 @@
                 usb_log_debug("\t\tUSAGE PAGE: %X\n", report_item->usage_page);
                 
-                //usb_hid_print_usage_path(report_item->collection_path);
+                usb_hid_print_usage_path(report_item->collection_path);
 
                 usb_log_debug("\n");            
@@ -700 +742 @@
                 usb_hid_descriptor_print_list(&report_des->report_items);
 
-
+/*
                 link_t *path_it = report->collection_paths.next;
                 while(path_it != &report->collection_paths) {
@@ -706 +748 @@
                         path_it = path_it->next;
                 }
-                
+*/              
                 report_it = report_it->next;
         }