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respond with attribute UUID instead of attribute value in find information response

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matthias.ringwald@gmail.com 2013-12-20 21:30:36 +00:00
parent 10297a1983
commit ad51f761ed
1 changed files with 15 additions and 21 deletions
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36
ble/att.c
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@ -271,7 +271,7 @@ static uint16_t handle_find_information_request2(uint8_t * response_buffer, uint
printf("ATT_FIND_INFORMATION_REQUEST: from %04X to %04X\n", start_handle, end_handle);
uint16_t offset = 1;
uint16_t pair_len = 0;
uint16_t uuid_len = 0;
att_iterator_t it;
att_iterator_init(&it);
@ -280,41 +280,35 @@ static uint16_t handle_find_information_request2(uint8_t * response_buffer, uint
if (!it.handle) break;
if (it.handle > end_handle) break;
if (it.handle < start_handle) continue;
att_update_value_len(&it);
// printf("Handle 0x%04x\n", it.handle);
// check if value has same len as last one
uint16_t this_pair_len = 2 + it.value_len;
uint16_t this_uuid_len = (it.flags & ATT_PROPERTY_UUID128) ? 16 : 2;
// check if value has same len as last one if not first result
if (offset > 1){
if (pair_len != this_pair_len) {
if (this_uuid_len != uuid_len) {
break;
}
}
// first
if (offset == 1) {
pair_len = this_pair_len;
if (it.value_len == 2) {
response_buffer[offset] = 0x01; // format
} else {
response_buffer[offset] = 0x02;
}
uuid_len = this_uuid_len;
// set format field
response_buffer[offset] = (it.flags & ATT_PROPERTY_UUID128) ? 0x02 : 0x01;
offset++;
}
}
// space?
if (offset + pair_len > response_buffer_size) {
if (offset > 2) break;
it.value_len = response_buffer_size - 4;
}
if (offset + 2 + uuid_len > response_buffer_size) break;
// store
bt_store_16(response_buffer, offset, it.handle);
offset += 2;
uint16_t bytes_copied = att_copy_value(&it, 0, response_buffer + offset, it.value_len);
offset += bytes_copied;
memcpy(response_buffer + offset, it.uuid, uuid_len);
offset += uuid_len;
}
if (offset == 1){