1 files changed, 102 insertions, 0 deletions
diff --git a/thirdparty/nRF5_SDK_15.0.0_a53641a/components/ble/ble_services/experimental_ble_ots/ble_hvx_buffering.c b/thirdparty/nRF5_SDK_15.0.0_a53641a/components/ble/ble_services/experimental_ble_ots/ble_hvx_buffering.c
new file mode 100644
index 0000000..80b3afc
--- /dev/null
+++ b/thirdparty/nRF5_SDK_15.0.0_a53641a/components/ble/ble_services/experimental_ble_ots/ble_hvx_buffering.c
@@ -0,0 +1,102 @@
+/**
+ * Copyright (c) 2017 - 2018, 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, except as embedded into a Nordic
+ *    Semiconductor ASA integrated circuit in a product or a software update for
+ *    such product, 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 its
+ *    contributors may be used to endorse or promote products derived from this
+ *    software without specific prior written permission.
+ * 
+ * 4. This software, with or without modification, must only be used with a
+ *    Nordic Semiconductor ASA integrated circuit.
+ * 
+ * 5. Any software provided in binary form under this license must not be reverse
+ *    engineered, decompiled, modified and/or disassembled.
+ * 
+ * THIS SOFTWARE IS PROVIDED BY NORDIC SEMICONDUCTOR ASA "AS IS" AND ANY EXPRESS
+ * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY, NONINFRINGEMENT, AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL NORDIC SEMICONDUCTOR ASA 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_hvx_buffering.h"
+#include <string.h>
+
+uint32_t ble_hvx_init(ble_hvx_buf_t * p_ble_hvx_buf)
+{
+    if (p_ble_hvx_buf == NULL)
+    {
+        return NRF_ERROR_NULL;
+    }
+    
+    p_ble_hvx_buf->insert_index = 0;
+    p_ble_hvx_buf->read_index    = 0;
+
+    return NRF_SUCCESS;    
+}
+
+ble_hvx_t * ble_hvx_get_p_to_next_hvx(ble_hvx_buf_t * p_ble_hvx_buf)
+{
+    ble_hvx_t * p_hvx;
+    p_hvx = &p_ble_hvx_buf->buf[p_ble_hvx_buf->insert_index++];
+    
+    p_hvx->params.p_data = p_hvx->data;
+    p_hvx->params.p_len  = &p_hvx->data_len;
+    
+    p_ble_hvx_buf->insert_index &= BLE_HVX_BUF_MASK;
+    return p_hvx;
+}
+
+
+uint32_t ble_hvx_buffer_process(ble_hvx_buf_t * p_ble_hvx_buf)
+{
+    uint32_t err_code;
+    while (p_ble_hvx_buf->read_index != p_ble_hvx_buf->insert_index)
+    {
+        
+        ble_gatts_hvx_params_t * p_hvx_params;
+        
+        p_hvx_params = &p_ble_hvx_buf->buf[p_ble_hvx_buf->read_index].params;
+        err_code = sd_ble_gatts_hvx(p_ble_hvx_buf->buf[p_ble_hvx_buf->read_index].conn_handle, p_hvx_params);
+
+        if (err_code == NRF_SUCCESS)
+        {
+            p_ble_hvx_buf->read_index++;
+            p_ble_hvx_buf->read_index &= BLE_HVX_BUF_MASK;
+        }
+        else
+        {
+            if (err_code == NRF_ERROR_BUSY || err_code == NRF_ERROR_RESOURCES)
+            {
+                return NRF_SUCCESS; // not a critical error. 
+            }
+            else
+            {
+                // remove element from buffer
+                p_ble_hvx_buf->insert_index--;
+                p_ble_hvx_buf->insert_index &= BLE_HVX_BUF_MASK;
+                return err_code;
+            }
+        }
+    }
+    return NRF_SUCCESS;
+}