Diff: BTstack/btstack/run_loop.h

Revision:

0:de03cbbcd0ff

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/BTstack/btstack/run_loop.h	Mon Nov 30 09:32:15 2015 +0000
@@ -0,0 +1,107 @@
+/*
+ * Copyright (C) 2009 by Matthias Ringwald
+ *
+ * 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 the copyright holders nor the names of
+ *    contributors may be used to endorse or promote products derived
+ *    from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY MATTHIAS RINGWALD 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 MATTHIAS
+ * RINGWALD 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.
+ *
+ */
+
+/*
+ *  run_loop.h
+ *
+ *  Created by Matthias Ringwald on 6/6/09.
+ */
+
+#pragma once
+
+#include "config.h"
+
+#include "btstack/linked_list.h"
+
+#include <stdint.h>
+
+#ifdef HAVE_TIME
+#include <sys/time.h>
+#endif
+
+#if defined __cplusplus
+extern "C" {
+#endif
+    
+typedef enum {
+    RUN_LOOP_POSIX = 1,
+    RUN_LOOP_COCOA,
+    RUN_LOOP_EMBEDDED
+} RUN_LOOP_TYPE;
+
+typedef struct data_source {
+    linked_item_t item;
+    int  fd;                                 // <-- file descriptor to watch or 0
+    int  (*process)(struct data_source *ds); // <-- do processing
+} data_source_t;
+
+typedef struct timer {
+    linked_item_t item; 
+#ifdef HAVE_TIME
+    struct timeval timeout;                  // <-- next timeout
+#endif
+#ifdef HAVE_TICK
+    uint32_t timeout;                       // timeout in system ticks
+#endif
+    void  (*process)(struct timer *ts);      // <-- do processing
+} timer_source_t;
+
+
+// set timer based on current time
+void run_loop_set_timer(timer_source_t *a, uint32_t timeout_in_ms);
+
+// add/remove timer_source
+void run_loop_add_timer(timer_source_t *timer); 
+int  run_loop_remove_timer(timer_source_t *timer);
+
+// init must be called before any other run_loop call
+void run_loop_init(RUN_LOOP_TYPE type);
+
+// add/remove data_source
+void run_loop_add_data_source(data_source_t *dataSource);
+int  run_loop_remove_data_source(data_source_t *dataSource);
+
+
+// execute configured run_loop
+void run_loop_execute(void);
+
+// hack to fix HCI timer handling
+#ifdef HAVE_TICK
+uint32_t embedded_get_ticks(void);
+uint32_t embedded_ticks_for_ms(uint32_t time_in_ms);
+#endif
+#ifdef EMBEDDED
+void     embedded_trigger(void);    
+#endif
+#if defined __cplusplus
+}
+#endif
+