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btstack_hid_parser: fix typo

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Matthias Ringwald 2024-08-13 17:31:53 +02:00
parent 5dd091fdb9
commit a05e6df3cc
2 changed files with 10 additions and 10 deletions
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18
src/btstack_hid_parser.c
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@ -463,10 +463,10 @@ void btstack_hid_parser_init(btstack_hid_parser_t * parser, const uint8_t * hid_
*/ */
bool btstack_hid_parser_has_more(btstack_hid_parser_t * parser){ bool btstack_hid_parser_has_more(btstack_hid_parser_t * parser){
while ((parser->have_report_usage_ready == false) && btstack_hid_usage_iterator_has_more(&parser->usage_iterator)){ while ((parser->have_report_usage_ready == false) && btstack_hid_usage_iterator_has_more(&parser->usage_iterator)){
btstack_hid_usage_iterator_get_item(&parser->usage_iterator, &parser->descriptor__usage_item); btstack_hid_usage_iterator_get_item(&parser->usage_iterator, &parser->descriptor_usage_item);
// ignore usages for other report ids // ignore usages for other report ids
if (parser->descriptor__usage_item.report_id != HID_REPORT_ID_UNDEFINED){ if (parser->descriptor_usage_item.report_id != HID_REPORT_ID_UNDEFINED){
if (parser->descriptor__usage_item.report_id != parser->report[0]){ if (parser->descriptor_usage_item.report_id != parser->report[0]){
continue; continue;
} }
} }
@ -486,15 +486,15 @@ bool btstack_hid_parser_has_more(btstack_hid_parser_t * parser){
void btstack_hid_parser_get_field(btstack_hid_parser_t * parser, uint16_t * usage_page, uint16_t * usage, int32_t * value){ void btstack_hid_parser_get_field(btstack_hid_parser_t * parser, uint16_t * usage_page, uint16_t * usage, int32_t * value){
// fetch data from descriptor usage item // fetch data from descriptor usage item
uint16_t bit_pos = parser->descriptor__usage_item.bit_pos; uint16_t bit_pos = parser->descriptor_usage_item.bit_pos;
uint16_t size = parser->descriptor__usage_item.size; uint16_t size = parser->descriptor_usage_item.size;
*usage_page = parser->descriptor__usage_item.usage_page; *usage_page = parser->descriptor_usage_item.usage_page;
*usage = parser->descriptor__usage_item.usage; *usage = parser->descriptor_usage_item.usage;
// read field (up to 32 bit unsigned, up to 31 bit signed - 32 bit signed behaviour is undefined) - check report len // read field (up to 32 bit unsigned, up to 31 bit signed - 32 bit signed behaviour is undefined) - check report len
bool is_variable = (parser->descriptor__usage_item.descriptor_item.item_value & 2) != 0; bool is_variable = (parser->descriptor_usage_item.descriptor_item.item_value & 2) != 0;
bool is_signed = parser->descriptor__usage_item.global_logical_minimum < 0; bool is_signed = parser->descriptor_usage_item.global_logical_minimum < 0;
int pos_start = btstack_min( bit_pos >> 3, parser->report_len); int pos_start = btstack_min( bit_pos >> 3, parser->report_len);
int pos_end = btstack_min( (bit_pos + size - 1u) >> 3u, parser->report_len); int pos_end = btstack_min( (bit_pos + size - 1u) >> 3u, parser->report_len);
int bytes_to_read = pos_end - pos_start + 1; int bytes_to_read = pos_end - pos_start + 1;

2
src/btstack_hid_parser.h
View File

@ -178,7 +178,7 @@ typedef struct {
uint16_t report_len; uint16_t report_len;
bool have_report_usage_ready; bool have_report_usage_ready;
btstack_hid_usage_item_t descriptor__usage_item; btstack_hid_usage_item_t descriptor_usage_item;
} btstack_hid_parser_t; } btstack_hid_parser_t;