-/*\r
- * Copyright (c) 2005 Arched Rock Corporation \r
- * All rights reserved. \r
- * Redistribution and use in source and binary forms, with or without\r
- * modification, are permitted provided that the following conditions are\r
- * met:\r
- * Redistributions of source code must retain the above copyright\r
- * notice, this list of conditions and the following disclaimer.\r
- * Redistributions in binary form must reproduce the above copyright\r
- * notice, this list of conditions and the following disclaimer in the\r
- * documentation and/or other materials provided with the distribution.\r
- * \r
- * Neither the name of the Arched Rock Corporation nor the names of its\r
- * contributors may be used to endorse or promote products derived from\r
- * this software without specific prior written permission.\r
- *\r
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS\r
- * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT\r
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR\r
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE ARCHED\r
- * ROCK OR ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,\r
- * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,\r
- * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS\r
- * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND\r
- * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR\r
- * TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE\r
- * USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH\r
- * DAMAGE.\r
- */\r
-\r
-/** \r
- * Implements a TOS 2.0 Counter on the PXA27x HPL. The PXA27x does not \r
- * have an explicit overflow notification. We emulate one by using \r
- * the associated match register set to 0. This requires we initialize\r
- * the counter to 1 to avoid a false notification at startup.\r
- * \r
- * @author Phil Buonadonna\r
- */\r
-#include "Timer.h"\r
-\r
-generic module HalPXA27xCounterM(typedef frequency_tag, uint8_t resolution) \r
-{\r
- provides {\r
- interface Init;\r
- interface Counter<frequency_tag,uint32_t> as Counter;\r
- interface LocalTime<frequency_tag> as LocalTime;\r
- }\r
- uses {\r
- interface Init as OSTInit;\r
- interface HplPXA27xOSTimer as OSTChnl;\r
- }\r
-}\r
-\r
-implementation\r
-{\r
- command error_t Init.init() {\r
-\r
- call OSTInit.init(); \r
-\r
- // Continue on match, Non-periodic, w/ given resolution\r
- atomic {\r
- call OSTChnl.setOMCR(OMCR_C | OMCR_P | OMCR_CRES(resolution));\r
- call OSTChnl.setOSMR(0);\r
- call OSTChnl.setOSCR(1);\r
- call OSTChnl.clearOSSRbit();\r
- call OSTChnl.setOIERbit(TRUE);\r
- }\r
- return SUCCESS;\r
-\r
- }\r
- \r
- async command uint32_t Counter.get() {\r
- uint32_t cntr;\r
-\r
- cntr = call OSTChnl.getOSCR();\r
- return cntr;\r
- }\r
-\r
- async command bool Counter.isOverflowPending() {\r
- bool flag;\r
-\r
- atomic flag = call OSTChnl.getOSSRbit();\r
- return flag;\r
- }\r
-\r
- async command void Counter.clearOverflow() {\r
-\r
- atomic call OSTChnl.clearOSSRbit();\r
- }\r
-\r
- async event void OSTChnl.fired() {\r
- call OSTChnl.clearOSSRbit();\r
- signal Counter.overflow();\r
- return;\r
- }\r
-\r
- async command uint32_t LocalTime.get() {\r
- uint32_t cntr;\r
-\r
- cntr = call OSTChnl.getOSCR();\r
- return cntr;\r
- }\r
-\r
- default async event void Counter.overflow() {\r
- return;\r
- }\r
-\r
-}\r
-\r
+/*
+ * Copyright (c) 2005 Arched Rock Corporation
+ * 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 Arched Rock Corporation 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 ARCHED
+ * ROCK OR ITS 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.
+ */
+
+/**
+ * Implements a TOS 2.0 Counter on the PXA27x HPL. The PXA27x does not
+ * have an explicit overflow notification. We emulate one by using
+ * the associated match register set to 0. This requires we initialize
+ * the counter to 1 to avoid a false notification at startup.
+ *
+ * @author Phil Buonadonna
+ */
+#include "Timer.h"
+
+generic module HalPXA27xCounterM(typedef frequency_tag, uint8_t resolution)
+{
+ provides {
+ interface Init;
+ interface Counter<frequency_tag,uint32_t> as Counter;
+ interface LocalTime<frequency_tag> as LocalTime;
+ }
+ uses {
+ interface Init as OSTInit;
+ interface HplPXA27xOSTimer as OSTChnl;
+ }
+}
+
+implementation
+{
+ command error_t Init.init() {
+
+ call OSTInit.init();
+
+ // Continue on match, Non-periodic, w/ given resolution
+ atomic {
+ call OSTChnl.setOMCR(OMCR_C | OMCR_P | OMCR_CRES(resolution));
+ call OSTChnl.setOSMR(0);
+ call OSTChnl.setOSCR(1);
+ call OSTChnl.clearOSSRbit();
+ call OSTChnl.setOIERbit(TRUE);
+ }
+ return SUCCESS;
+
+ }
+
+ async command uint32_t Counter.get() {
+ uint32_t cntr;
+
+ cntr = call OSTChnl.getOSCR();
+ return cntr;
+ }
+
+ async command bool Counter.isOverflowPending() {
+ bool flag;
+
+ atomic flag = call OSTChnl.getOSSRbit();
+ return flag;
+ }
+
+ async command void Counter.clearOverflow() {
+
+ atomic call OSTChnl.clearOSSRbit();
+ }
+
+ async event void OSTChnl.fired() {
+ call OSTChnl.clearOSSRbit();
+ signal Counter.overflow();
+ return;
+ }
+
+ async command uint32_t LocalTime.get() {
+ uint32_t cntr;
+
+ cntr = call OSTChnl.getOSCR();
+ return cntr;
+ }
+
+ default async event void Counter.overflow() {
+ return;
+ }
+
+}
+
projects / tinyos-2.x.git / blobdiff