Diff: spwf/utils/event_buffer.h

Revision:

0:dc55f40eb04f

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/spwf/utils/event_buffer.h	Wed Apr 13 11:34:07 2016 +0000
@@ -0,0 +1,157 @@
+  /**
+  ******************************************************************************
+  * @file    event_buffer.h
+  * @author  Central LAB
+  * @version V2.0.0
+  * @date    10-February-2016
+  * @brief   Header File for Event Buffer management of the Wi-Fi module
+  ******************************************************************************
+  * @attention
+  *
+  * <h2><center>&copy; COPYRIGHT(c) 2015 STMicroelectronics</center></h2>
+  *
+  * 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 STMicroelectronics nor the names of its contributors
+  *      may be used to endorse or promote products derived from this software
+  *      without specific prior written permission.
+  *
+  * 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.
+  *
+  ******************************************************************************
+  */
+
+/* Includes ------------------------------------------------------------------*/
+#include <stdio.h>
+#include <string.h>
+#include <stdint.h>
+#include <stdlib.h>
+#include "wifi_module.h"
+#ifndef __EVENT_BUFFER_H
+#define __EVENT_BUFFER_H
+
+/** @addtogroup BSP
+* @{
+*/ 
+
+
+/** @defgroup  NUCLEO_WIFI_BUFFER_MGMT 
+  * @brief Wi-Fi_driver modules
+  * @{
+  */ 
+
+
+/** @defgroup NUCLEO_WIFI_BUFFER_MGMT_Private_TypesDefinitions
+  * @{
+  */
+
+/**
+  * @}
+  */
+
+/** @defgroup NUCLEO_WIFI_BUFFER_MGMT_Private_Defines
+  * @{
+  */
+
+/**
+  * @}
+  */
+
+/** @defgroup NUCLEO_WIFI_BUFFER_MGMT_Private_Macros
+  * @{
+  */
+
+
+
+/**
+  * @}
+  */
+
+/** @defgroup NUCLEO_WIFI_BUFFER_MGMT_Private_Variables
+  * @{
+  */
+
+typedef enum
+{
+  WIFI_NO_EVENT,
+  WIFI_WIND_EVENT = 0x0001,
+  WIFI_SOCK_ID_EVENT,
+  WIFI_GCFG_EVENT,
+  WIFI_GPIO_EVENT,
+  WIFI_OK_EVENT,
+  WIFI_ERROR_EVENT,
+  WIFI_STANDBY_CONFIG_EVENT,
+  WIFI_RESUME_CONFIG_EVENT,
+  WIFI_HTTP_EVENT,
+  WIFI_CLIENT_SOCKET_WRITE_EVENT,
+  WIFI_FILE_EVENT,
+  WIFI_CLIENT_SOCKET_OPEN_EVENT,
+  WIFI_CLIENT_SOCKET_CLOSE_EVENT,
+  WIFI_FW_UPDATE_EVENT,
+} event_e;
+
+
+typedef struct
+{
+  uint32_t wind;
+  uint32_t data_length;
+  uint16_t socket_id;
+  uint8_t  wind64_pending_packet_no;
+  wifi_bool enc;         
+  wifi_bool ok_eval; 
+  wifi_bool event_pop;
+  event_e event;
+} event_s_TypeDef;
+
+struct event_buffer {    
+    volatile int start;  // position of first data from USART
+    volatile int end;    // position of last data from USART
+    volatile int size;   //Max size in terms of number of data packets (Total Bytes/size of each packet (8 bytes))
+    volatile int count;  // number of currently filled data packets (=size if full & =0 if empty)
+    
+    /*unsigned main buffer pointer*/
+    event_s_TypeDef *element;
+};
+ 
+typedef struct event_buffer buffer_e;
+
+void event_init(buffer_e *buffer, int size);
+int event_full(buffer_e *buffer);
+int event_empty(buffer_e *buffer);
+void push_eventbuffer(buffer_e *buffer, event_s_TypeDef data);
+event_s_TypeDef * pop_eventbuffer_queue(buffer_e *buffer);
+void reset_event(event_s_TypeDef *r_event);
+
+/**
+  * @}
+  */
+
+/**
+  * @}
+  */
+
+/**
+  * @}
+  */
+  
+/**
+  * @}
+  */
+
+
+
+#endif