Import of the contiki-2.x development code from the SICS internal CVS server

2006-06-17 22:41:10 +00:00 · 2006-06-17 22:41:10 +00:00 · c9e808d638
commit c9e808d638
671 changed files with 95332 additions and 0 deletions
--- a/core/dev/leds.c
+++ b/core/dev/leds.c
@ -0,0 +1,135 @@
+/*
+ * Copyright (c) 2005, Swedish Institute of Computer Science
+ * 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 the Institute 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 INSTITUTE 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 INSTITUTE 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.
+ *
+ * This file is part of the Contiki operating system.
+ *
+ * @(#)$Id: leds.c,v 1.1 2006/06/17 22:41:16 adamdunkels Exp $
+ */
+
+#include "dev/leds.h"
+#include "sys/clock.h"
+
+static struct {
+  char green:4, yellow:4, red:4;
+} leds;
+
+static struct {
+  char green:2, yellow:2, red:2;  /* These bit fields should really be
+				     only one bit wide, but that
+				     crashed gcc... */
+} invert;
+
+/*---------------------------------------------------------------------------*/
+static void
+show_leds(void)
+{
+  leds_arch_set((((leds.green > 0) ^ invert.green) ? LEDS_GREEN : 0) |
+		(((leds.yellow > 0) ^ invert.yellow) ? LEDS_YELLOW : 0) |
+		(((leds.red > 0) ^ invert.red) ? LEDS_RED : 0));
+}
+/*---------------------------------------------------------------------------*/
+void
+leds_init(void)
+{
+  leds.green = leds.red = leds.yellow = 0;
+  invert.green = invert.red = invert.yellow = 0;
+  leds_arch_init();
+
+  show_leds();
+}
+/*---------------------------------------------------------------------------*/
+void
+leds_blink(void)
+{
+  /* Blink all leds. */
+  leds_arch_set(LEDS_ALL);
+
+  clock_delay(400);
+
+  show_leds();
+}
+/*---------------------------------------------------------------------------*/
+unsigned char
+leds_get(void) {
+  return leds_arch_get();
+}
+/*---------------------------------------------------------------------------*/
+void
+leds_on(unsigned char l)
+{
+  if((l & LEDS_GREEN) && leds.green < 15) {
+    ++leds.green;
+  }
+  if((l & LEDS_YELLOW) && leds.yellow < 15) {
+    ++leds.yellow;
+  }
+  if((l & LEDS_RED) && leds.red < 15) {
+    ++leds.red;
+  }
+  show_leds();
+}
+/*---------------------------------------------------------------------------*/
+void
+leds_off(unsigned char l)
+{
+  if((l & LEDS_GREEN) && leds.green > 0) {
+    --leds.green;
+  }
+  if((l & LEDS_YELLOW) && leds.yellow > 0) {
+    --leds.yellow;
+  }
+  if((l & LEDS_RED) && leds.red > 0) {
+    --leds.red;
+  }
+  show_leds();
+}
+/*---------------------------------------------------------------------------*/
+void
+leds_toggle(unsigned char leds)
+{
+  leds_invert(leds);
+}
+
+/*   invert the ínvert register using the leds parameter */
+void leds_invert(unsigned char l) {
+  if(l & LEDS_GREEN) {
+    invert.green = 1 - invert.green;
+  }
+  if(l & LEDS_YELLOW) {
+    invert.yellow = 1 - invert.yellow;
+  }
+  if(l & LEDS_RED) {
+    invert.red = 1 - invert.red;
+  }
+  show_leds();
+}
+
+/*---------------------------------------------------------------------------*/
+void leds_green(int o) { o?leds_on(LEDS_GREEN):leds_off(LEDS_GREEN); }
+void leds_yellow(int o) { o?leds_on(LEDS_YELLOW):leds_off(LEDS_YELLOW); }
+void leds_red(int o) { o?leds_on(LEDS_RED):leds_off(LEDS_RED); }