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-rw-r--r--drive-sdk/src/eir.c54
1 files changed, 54 insertions, 0 deletions
diff --git a/drive-sdk/src/eir.c b/drive-sdk/src/eir.c
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+++ b/drive-sdk/src/eir.c
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+/*
+ * Copyright (c) 2014 Anki, Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <stdio.h>
+#include <string.h>
+#include <assert.h>
+
+#include "eir.h"
+
+int ble_adv_parse_scan(const uint8_t *data, const size_t data_len, size_t *record_count, ble_adv_record_t records[])
+{
+ // no data to parse
+ if (data == NULL)
+ return 1;
+
+ uint8_t record_index = 0;
+ int i = 0;
+ while (i < data_len) {
+ uint8_t len = data[i++];
+ if (len == 0) break;
+
+ ble_adv_record_type_t type = data[i];
+ if (type == ADV_TYPE_INVALID) break;
+
+ if (records != NULL) {
+ ble_adv_record_t *record = &records[record_index];
+ record->type = type;
+ record->length = (len-1);
+ memmove(record->data, &data[i+1], len-1);
+ }
+
+ record_index++;
+ i += len;
+ }
+
+ if (record_count != NULL) {
+ *record_count = record_index;
+ }
+
+ return 0;
+}