Add Atomthreads RTOS source files.

kernel/atomtimer.h

@@ -0,0 +1,60 @@
+/*
+ * Copyright (c) 2010, Kelvin Lawson. 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. No personal names or organizations' names associated with the
+ *    Atomthreads project may be used to endorse or promote products
+ *    derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE ATOMTHREADS PROJECT 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 PROJECT 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.
+ */
+
+#ifndef __ATOM_TIMER_H
+#define __ATOM_TIMER_H
+
+#include "atomuser.h"
+
+/* Callback function prototype */
+typedef void ( * TIMER_CB_FUNC ) ( POINTER cb_data ) ;
+
+/* Data structures */
+
+/* Timer descriptor */
+typedef struct atom_timer
+{
+    TIMER_CB_FUNC   cb_func;    /* Callback function */
+    POINTER	        cb_data;    /* Pointer to callback parameter/data */
+    uint32_t	    cb_ticks;   /* Ticks until callback */
+
+	/* Internal data */
+    struct atom_timer *next_timer;		/* Next timer in doubly-linked list */
+
+} ATOM_TIMER;
+
+/* Function prototypes */
+
+extern uint8_t atomTimerRegister (ATOM_TIMER *timer_ptr);
+extern uint8_t atomTimerCancel (ATOM_TIMER *timer_ptr);
+extern uint8_t atomTimerDelay (uint32_t ticks);
+extern uint32_t atomTimeGet (void);
+extern void atomTimeSet (uint32_t new_time);
+
+#endif /* __ATOM_TIMER_H */