Changeset bda06a3 in mainline for uspace/lib/usb/src/hidparser.c

Timestamp:

2011-04-01T15:02:09Z (14 years ago)

Author:

Matej Klonfar <maklf@…>

Branches:

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

Children:

a9974ef, ec6bee4

Parents:

70a71e5

Message:

Report IDs support

File:

• uspace/lib/usb/src/hidparser.c (modified) (16 diffs)

uspace/lib/usb/src/hidparser.c

@@ -106 +106 @@
     list_initialize(&(parser->feature));
 
+        parser->use_report_id = 0;
     return EOK;   
 }
@@ -186 +187 @@
                                         tmp_usage_path = NULL;
 
+                                        usb_hid_report_path_set_report_id(report_item->usage_path, report_item->id);    
+                                        if(report_item->id != 0){
+                                                parser->use_report_id = 1;
+                                        }
                                         
                                         switch(tag) {
@@ -647 +652 @@
         }
 
+        parser->use_report_id = 0;
+
         usb_hid_free_report_list(&parser->input);
         usb_hid_free_report_list(&parser->output);
@@ -676 +683 @@
         size_t i=0;
         size_t j=0;
+        uint8_t report_id = 0;
 
         if(parser == NULL) {
@@ -686 +694 @@
         if(!(keys = malloc(sizeof(uint8_t) * key_count))){
                 return ENOMEM;
+        }
+
+        if(parser->use_report_id != 0) {
+                report_id = data[0];
+                usb_hid_report_path_set_report_id(path, report_id);
         }
 
@@ -693 +706 @@
 
                 item = list_get_instance(list_item, usb_hid_report_item_t, link);
+
                 if(!USB_HID_ITEM_FLAG_CONSTANT(item->item_flags) && 
                    (usb_hid_report_compare_usage_path(item->usage_path, path, flags) == EOK)) {
@@ -715 +729 @@
         }
 
-        callbacks->keyboard(keys, key_count, 0, arg);
+        callbacks->keyboard(keys, key_count, report_id, arg);
            
         free(keys);     
@@ -739 +753 @@
         int32_t mask;
         const uint8_t *foo;
-        
+
         // now only common numbers llowed
         if(item->size > 32) {
@@ -758 +772 @@
                 (usb_pow(10,(item->unit_exponent))));
         }
+
         offset = item->offset + (j * item->size);
+        if(item->id != 0) {
+                offset += 8;
+                usb_log_debug("MOVED OFFSET BY 1Byte, REPORT_ID(%d)\n", item->id);
+        }
         
         // FIXME
@@ -942 +961 @@
 
         int only_page;
+
+        if(report_path->report_id != path->report_id) {
+                return 1;
+        }
 
         if(path->depth == 0){
@@ -1038 +1061 @@
         else {
                 path->depth = 0;
+                path->report_id = 0;
                 list_initialize(&path->link);
                 return path;
@@ -1155 +1179 @@
                 return 0;
         }
-        
+
         item = parser->output.next;
         while(&parser->output != item) {
@@ -1195 +1219 @@
         int length;
         int32_t tmp_value;
+        size_t offset_prefix = 0;
         
         if(parser == NULL) {
                 return EINVAL;
+        }
+
+        if(parser->use_report_id != 0) {
+                buffer[0] = path->report_id;
+                offset_prefix = 8;
         }
 
@@ -1218 +1248 @@
 //                              // variable item
                                 value = usb_hid_translate_data_reverse(report_item, data[idx++]);
-                                offset = report_item->offset + (i * report_item->size);
+                                offset = report_item->offset + (i * report_item->size) + offset_prefix;
                                 length = report_item->size;
                         }
@@ -1224 +1254 @@
                                 //bitmap
                                 value += usb_hid_translate_data_reverse(report_item, data[idx++]);
-                                offset = report_item->offset;
+                                offset = report_item->offset + offset_prefix;
                                 length = report_item->size * report_item->count;
                         }
@@ -1323 +1353 @@
 
 
+int usb_hid_report_path_set_report_id(usb_hid_report_path_t *path, uint8_t report_id)
+{
+        if(path == NULL){
+                return EINVAL;
+        }
+
+        path->report_id = report_id;
+        return EOK;
+}
+
 /**
  * @}