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btstack_hid_parser: add HID Descriptor Usage iterator

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This commit is contained in:
Matthias Ringwald 2024-08-12 23:49:15 +02:00
parent 86360e5949
commit 5285211dcd
1 changed files with 3 additions and 2 deletions
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5
src/btstack_hid_parser.c
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@ -584,7 +584,7 @@ bool btstack_hid_report_id_declared(uint16_t hid_descriptor_len, const uint8_t *
return false; return false;
} }
static void btstack_parser_usage_iterator_process_item2(btstack_hid_parser_t * parser, hid_descriptor_item_t * item){ static void btstack_parser_usage_iterator_process_item(btstack_hid_parser_t * parser, hid_descriptor_item_t * item){
hid_pretty_print_item(parser, item); hid_pretty_print_item(parser, item);
int valid_field = 0; int valid_field = 0;
uint16_t report_id_before; uint16_t report_id_before;
@ -629,7 +629,7 @@ static void btstack_hid_usage_iterator_find_next_usage(btstack_hid_parser_t * pa
while (btstack_hid_descriptor_iterator_has_more(&parser->descriptor_iterator)){ while (btstack_hid_descriptor_iterator_has_more(&parser->descriptor_iterator)){
parser->descriptor_item = * btstack_hid_descriptor_iterator_get_item(&parser->descriptor_iterator); parser->descriptor_item = * btstack_hid_descriptor_iterator_get_item(&parser->descriptor_iterator);
btstack_parser_usage_iterator_process_item2(parser, &parser->descriptor_item); btstack_parser_usage_iterator_process_item(parser, &parser->descriptor_item);
if (parser->required_usages){ if (parser->required_usages){
hid_find_next_usage(parser); hid_find_next_usage(parser);
@ -660,6 +660,7 @@ void btstack_hid_usage_iterator_init(btstack_hid_parser_t * parser, const uint8_
parser->descriptor_len = hid_descriptor_len; parser->descriptor_len = hid_descriptor_len;
parser->report_type = hid_report_type; parser->report_type = hid_report_type;
parser->state = BTSTACK_HID_PARSER_SCAN_FOR_REPORT_ITEM; parser->state = BTSTACK_HID_PARSER_SCAN_FOR_REPORT_ITEM;
parser->global_report_id = 0xffff;
btstack_hid_descriptor_iterator_init(&parser->descriptor_iterator, hid_descriptor, hid_descriptor_len); btstack_hid_descriptor_iterator_init(&parser->descriptor_iterator, hid_descriptor, hid_descriptor_len);
btstack_hid_usage_iterator_find_next_usage(parser); btstack_hid_usage_iterator_find_next_usage(parser);