Diff: lib/codecs/src/ble_gatts_hvx.c

Revision:

0:6ba9b94b8997

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/lib/codecs/src/ble_gatts_hvx.c	Thu Feb 09 06:08:17 2017 +0000
@@ -0,0 +1,139 @@
+/* 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_gatts_app.h"
+#include <string.h>
+#include "ble_serialization.h"
+#include "cond_field_serialization.h"
+#include "ble_gap.h"
+#include "ble_rpc_defines.h"
+#include "app_util.h"
+
+
+uint32_t ble_gatts_hvx_req_enc(uint16_t                             conn_handle,
+                               ble_gatts_hvx_params_t const * const p_hvx_params,
+                               uint8_t * const                      p_buf,
+                               uint32_t * const                     p_buf_len)
+{
+    uint32_t index = 0;
+
+    SER_ASSERT_NOT_NULL(p_buf);
+    SER_ASSERT_NOT_NULL(p_buf_len);
+
+    SER_ASSERT(p_hvx_params == NULL ||
+               !(p_hvx_params->p_len == NULL && p_hvx_params->p_data != NULL), NRF_ERROR_NULL);
+
+    SER_ASSERT_LENGTH_LEQ(index + 1 + 2 + 1 + 1, *p_buf_len);
+
+    p_buf[index++] = SD_BLE_GATTS_HVX;
+    index         += uint16_encode(conn_handle, &p_buf[index]);
+
+    p_buf[index++] = (p_hvx_params != NULL) ? RPC_BLE_FIELD_PRESENT : RPC_BLE_FIELD_NOT_PRESENT;
+
+    if (p_hvx_params != NULL)
+    {
+        SER_ASSERT_LENGTH_LEQ(index + 2 + 1 + 2 + 2, *p_buf_len);
+        index         += uint16_encode(p_hvx_params->handle, &p_buf[index]);
+        p_buf[index++] = p_hvx_params->type;
+        index         += uint16_encode(p_hvx_params->offset, &p_buf[index]);
+
+        if (p_hvx_params->p_len != NULL)
+        {
+            SER_ASSERT_LENGTH_LEQ(index + 1 + 2 + 1, *p_buf_len);
+
+            SER_ERROR_CHECK(*p_hvx_params->p_len <= BLE_GATTS_VAR_ATTR_LEN_MAX,
+                            NRF_ERROR_INVALID_PARAM);
+            p_buf[index++] = RPC_BLE_FIELD_PRESENT;
+            index         += uint16_encode(*(p_hvx_params->p_len), &p_buf[index]);
+
+            if (p_hvx_params->p_data != NULL)
+            {
+                SER_ASSERT_LENGTH_LEQ(index + 1 + *(p_hvx_params->p_len), *p_buf_len);
+                p_buf[index++] = RPC_BLE_FIELD_PRESENT;
+                memcpy(&(p_buf[index]), p_hvx_params->p_data, *(p_hvx_params->p_len));
+                index += *(p_hvx_params->p_len);
+            }
+            else
+            {
+                p_buf[index++] = RPC_BLE_FIELD_NOT_PRESENT;
+            }
+        }
+        else
+        {
+            p_buf[index++] = RPC_BLE_FIELD_NOT_PRESENT;
+            p_buf[index++] = RPC_BLE_FIELD_NOT_PRESENT;
+        }
+    }
+
+    *p_buf_len = index;
+
+    return NRF_SUCCESS;
+}
+
+
+uint32_t ble_gatts_hvx_rsp_dec(uint8_t const * const p_buf,
+                               uint32_t              packet_len,
+                               uint32_t * const      p_result_code,
+                               uint16_t * * const    pp_bytes_written)
+{
+    SER_ASSERT_NOT_NULL(p_buf);
+    SER_ASSERT_NOT_NULL(p_result_code);
+
+    uint32_t err_code;
+    uint32_t index         = 0;
+    uint32_t decode_result = ser_ble_cmd_rsp_result_code_dec(p_buf,
+                                                             &index,
+                                                             packet_len,
+                                                             SD_BLE_GATTS_HVX,
+                                                             p_result_code);
+
+    if (decode_result != NRF_SUCCESS)
+    {
+        return decode_result;
+    }
+
+    if (*p_result_code != NRF_SUCCESS)
+    {
+        SER_ASSERT_LENGTH_EQ(index, packet_len);
+        return NRF_SUCCESS;
+    }
+
+    err_code = cond_field_dec(p_buf, packet_len, &index, (void * *)pp_bytes_written, uint16_t_dec);
+    SER_ASSERT(err_code == NRF_SUCCESS, err_code);
+
+    SER_ASSERT_LENGTH_EQ(index, packet_len);
+
+    return NRF_SUCCESS;
+}
+