Add BSD license text to source files

[rgblamp.git] / isr.c

diff --git a/isr.c b/isr.c
index f466c554f0a20ada56a8a66702eb7d532bbbf502..42bed029e515605bbb56497dd1f1773572d24f8a 100644 (file)
--- a/isr.c
+++ b/isr.c
@@ -1,3 +1,32 @@
+/*
+ * Copyright © 2011, 2012, Titanium Mirror, Inc..
+ * All Rights Reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * - Redistributions of source code must retain the above copyright notice,
+ *   this list of conditions and the following disclaimer.
+ * - 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.
+ * - Neither the name of Titanium Mirror, Inc. 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
+ * OWNER 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.
+ */
+
 /*
  * File:   isr.c
  *
@@ -7,11 +36,42 @@
 
 #include <htc.h>
 #include "tmr.h"
+#include "tmr32.h"
+#include "btn.h"
+#include "task.h"
+
+bit _isr_gie; /* Used to store the state of GIE for nested ndi()/nei() */
+unsigned char _isr_di; /* Count of nested ndi() */
 
-bit isr_gie; /* Used to store the state of GIE for nested ndi()/nei() */
-unsigned char isr_di; /* Count of nested ndi() */
+void ndi()
+{
+  if (_isr_di++ == 0) {
+    _isr_gie = GIE;
+    di();
+  }
+}
+
+/* Nested enable interrupts inline function.  Should be OK even in ISR. */
+void nei()
+{
+  if (--_isr_di == 0 && _isr_gie)
+    ei();
+}
 
 void interrupt isr()
 {
   tmr_isr();
+  btn_isr();
+  tmr32_isr();
+
+  if (tmr_fired(TMR_BTN_PB_HELD))
+    task_post(TASK_BTN_PB_HELD);
+  if (tmr_fired(TMR_FADE))
+    task_post(TASK_FADE);
+  if (tmr_fired(TMR_INCOLOR))
+    task_post(TASK_INCOLOR);
+  if (tmr_fired(TMR_CANDLE))
+    task_post(TASK_CANDLE);
+  if (tmr_fired(TMR_CFG))
+    task_post(TASK_CFG);
 }