Diff: lib/codecs/src/ble_gattc_evt_hvx.c

Revision:

0:6ba9b94b8997

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/lib/codecs/src/ble_gattc_evt_hvx.c	Thu Feb 09 06:08:17 2017 +0000
@@ -0,0 +1,89 @@
+/* Copyright (c) Nordic Semiconductor ASA
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice, this
+ * list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright notice, this
+ * list of conditions and the following disclaimer in the documentation and/or
+ * other materials provided with the distribution.
+ *
+ * 3. Neither the name of Nordic Semiconductor ASA nor the names of other
+ * contributors to this software may be used to endorse or promote products
+ * derived from this software without specific prior written permission.
+ *
+ * 4. This software must only be used in a processor manufactured by Nordic
+ * Semiconductor ASA, or in a processor manufactured by a third party that
+ * is used in combination with a processor manufactured by Nordic Semiconductor.
+ *
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
+ * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+ * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include "ble_gattc_evt_app.h"
+#include <string.h>
+#include "ble_serialization.h"
+#include "app_util.h"
+
+
+uint32_t ble_gattc_evt_hvx_dec(uint8_t const * const p_buf,
+                               uint32_t              packet_len,
+                               ble_evt_t * const     p_event,
+                               uint32_t * const      p_event_len)
+{
+    uint32_t index = 0;
+    uint16_t tmp_attr_len;
+
+    SER_ASSERT_NOT_NULL(p_buf);
+    SER_ASSERT_NOT_NULL(p_event_len);
+
+    SER_ASSERT_LENGTH_LEQ(11, packet_len);
+
+    tmp_attr_len = uint16_decode(&(p_buf[9]));
+
+    uint32_t event_len = offsetof(ble_evt_t, evt.gattc_evt.params.hvx) +
+                         sizeof (ble_gattc_evt_hvx_t) - 1 + tmp_attr_len;
+
+    if (p_event == NULL)
+    {
+        *p_event_len = event_len;
+        return NRF_SUCCESS;
+    }
+
+    SER_ASSERT(event_len <= *p_event_len, NRF_ERROR_DATA_SIZE);
+
+    p_event->header.evt_id  = BLE_GATTC_EVT_HVX;
+    p_event->header.evt_len = event_len;
+    uint16_dec(p_buf, packet_len, &index, &(p_event->evt.gattc_evt.conn_handle));
+    uint16_dec(p_buf, packet_len, &index, &(p_event->evt.gattc_evt.gatt_status));
+    uint16_dec(p_buf, packet_len, &index, &(p_event->evt.gattc_evt.error_handle));
+    uint16_dec(p_buf, packet_len, &index, &(p_event->evt.gattc_evt.params.hvx.handle));
+    uint8_dec(p_buf, packet_len, &index, &(p_event->evt.gattc_evt.params.hvx.type));
+    uint16_dec(p_buf, packet_len, &index, &(p_event->evt.gattc_evt.params.hvx.len));
+
+    SER_ASSERT_LENGTH_LEQ(index + tmp_attr_len, packet_len);
+
+    if (tmp_attr_len > 0)
+    {
+        memcpy(&(p_event->evt.gattc_evt.params.hvx.data[0]), &(p_buf[index]), tmp_attr_len);
+        index += tmp_attr_len;
+    }
+
+    SER_ASSERT_LENGTH_EQ(index, packet_len);
+    *p_event_len = event_len;
+
+    return NRF_SUCCESS;
+}
+