Changes so this checkout exactly matches CVS at -r release_tinyos_2_0_2_2.

[tinyos-2.x.git] / tos / lib / TOSBoot / lib / LedsC.nc

diff --git a/tos/lib/TOSBoot/lib/LedsC.nc b/tos/lib/TOSBoot/lib/LedsC.nc
new file mode 100644 (file)
index 0000000..476f76e
--- /dev/null
+++ b/tos/lib/TOSBoot/lib/LedsC.nc
@@ -0,0 +1,80 @@
+// $Id$
+
+/*                                                                     tab:2
+ *
+ *
+ * "Copyright (c) 2000-2004 The Regents of the University  of California.  
+ * All rights reserved.
+ *
+ * Permission to use, copy, modify, and distribute this software and its
+ * documentation for any purpose, without fee, and without written agreement is
+ * hereby granted, provided that the above copyright notice, the following
+ * two paragraphs and the author appear in all copies of this software.
+ * 
+ * IN NO EVENT SHALL THE UNIVERSITY OF CALIFORNIA BE LIABLE TO ANY PARTY FOR
+ * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES ARISING OUT
+ * OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN IF THE UNIVERSITY OF
+ * CALIFORNIA HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ * 
+ * THE UNIVERSITY OF CALIFORNIA SPECIFICALLY DISCLAIMS ANY WARRANTIES,
+ * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
+ * AND FITNESS FOR A PARTICULAR PURPOSE.  THE SOFTWARE PROVIDED HEREUNDER IS
+ * ON AN "AS IS" BASIS, AND THE UNIVERSITY OF CALIFORNIA HAS NO OBLIGATION TO
+ * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS."
+ *
+ */
+
+/**
+ * @author Jonathan Hui <jwhui@cs.berkeley.edu>
+ */
+
+module LedsC {
+  provides interface Leds;
+}
+
+implementation {
+
+  enum {
+    RED_BIT = 1,
+    GREEN_BIT = 2,
+    YELLOW_BIT = 4
+  };
+
+  command void Leds.set(uint8_t ledsOn) {
+    if (ledsOn & GREEN_BIT) 
+      TOSH_CLR_GREEN_LED_PIN();
+    else
+      TOSH_SET_GREEN_LED_PIN();
+    if (ledsOn & YELLOW_BIT ) 
+      TOSH_CLR_YELLOW_LED_PIN();
+    else 
+      TOSH_SET_YELLOW_LED_PIN();
+    if (ledsOn & RED_BIT) 
+      TOSH_CLR_RED_LED_PIN();
+    else 
+      TOSH_SET_RED_LED_PIN();
+  }
+
+  command void Leds.flash(uint8_t a) {
+    uint8_t i, j;
+    for ( i = 3; i; i-- ) {
+      call Leds.set(a);
+      for ( j = 4; j; j-- )
+       wait(0xffff);
+      call Leds.set(0);
+      for ( j = 4; j; j-- )
+       wait(0xffff);
+    }
+  }
+
+  command void Leds.glow(uint8_t a, uint8_t b) {
+    int i;
+    for (i = 1536; i > 0; i -= 4) {
+      call Leds.set(a);
+      wait(i);
+      call Leds.set(b);
+      wait(1536-i);
+    }
+  }
+
+}