Merge TinyOS 2.1.1 into master.

[tinyos-2.x.git] / tos / platforms / epic / chips / at45db / HplAt45dbP.nc

diff --git a/tos/platforms/epic/chips/at45db/HplAt45dbP.nc b/tos/platforms/epic/chips/at45db/HplAt45dbP.nc
new file mode 100644 (file)
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+++ b/tos/platforms/epic/chips/at45db/HplAt45dbP.nc
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+/*
+* Copyright (c) 2006, Technische Universitat Berlin
+* 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 the Technische Universitat Berlin 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.
+*/
+
+
+module HplAt45dbP {
+  provides {
+    interface HplAt45dbByte;
+  }
+  uses {
+    interface SpiByte as FlashSpi;
+    interface GeneralIO as Select;
+  }
+}
+implementation
+{
+  command void HplAt45dbByte.select() {
+    call Select.clr();
+  }
+
+  command void HplAt45dbByte.deselect() {
+    call Select.set();
+  }
+
+  task void idleTask() {
+    uint8_t status;
+    status = call FlashSpi.write(0);
+    if (!(status & 0x80)) {
+      post idleTask();
+    } else {
+      //printf("idle: %d\n", status);
+      signal HplAt45dbByte.idle();
+    }
+  }
+
+  command void HplAt45dbByte.waitIdle() {
+    post idleTask();
+  }
+
+  command bool HplAt45dbByte.getCompareStatus() {
+    uint8_t status;
+    status = call FlashSpi.write(0);
+    //printf("s: %d\n", status);
+    return (!(status & 0x40));
+  }
+}