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Modem/hw/hw_thermo.h

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+/**
+ * \file
+ * <!--
+ * This file is part of BeRTOS.
+ *
+ * Bertos is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+ *
+ * As a special exception, you may use this file as part of a free software
+ * library without restriction.  Specifically, if other files instantiate
+ * templates or use macros or inline functions from this file, or you compile
+ * this file and link it with other files to produce an executable, this
+ * file does not by itself cause the resulting executable to be covered by
+ * the GNU General Public License.  This exception does not however
+ * invalidate any other reasons why the executable file might be covered by
+ * the GNU General Public License.
+ *
+ * Copyright 2008 Develer S.r.l. (http://www.develer.com/)
+ * All Rights Reserved.
+ * -->
+ *
+ * \brief thermo hardware-specific control functions.
+ *
+ * \author Francesco Sacchi <batt@develer.com>
+ *
+ */
+
+#ifndef HW_THERMO_H
+#define HW_THERMO_H
+
+#include "thermo_map.h"
+#include "ntc_map.h"
+
+#include <drv/phase.h>
+#include <drv/ntc.h>
+
+#include <cfg/debug.h>
+#include <cfg/compiler.h>
+
+#warning TODO:This is an example implentation, you must implement it!
+
+/*!
+ * This function should return the temperature set tolerance.
+ */
+INLINE deg_t thermo_hw_tolerance(ThermoDev dev)
+{
+	ASSERT(dev < THERMO_CNT);
+
+	switch (dev)
+	{
+	case THERMO_TEST: 
+		/* Put here convertion function to temperature size */
+		break;
+
+	/* Put here your thermo device */
+
+	default:
+		ASSERT(0);
+	}
+
+	return 0;
+}
+
+
+/*!
+ * This function should return the timeout for reaching the
+ * target temperature.
+ */
+INLINE ticks_t thermo_hw_timeout(ThermoDev dev)
+{
+	ASSERT(dev < THERMO_CNT);
+
+	switch (dev)
+	{
+	case THERMO_TEST:
+		/* return ms_to_ticks(60000); */
+		break;
+
+	/* Put here a time out for select thermo device */
+
+	default:
+		ASSERT(0);
+	}
+
+	return 0;
+}
+
+
+
+/*!
+ * Read the temperature of the hw device \a dev.
+ */
+INLINE deg_t thermo_hw_read(ThermoDev dev)
+{
+	return ntc_read(dev);
+}
+
+
+/*!
+ * Turns off a specific device.
+ * This function is usefull to handle errors.
+ */
+INLINE void thermo_hw_off(ThermoDev dev)
+{
+	ASSERT(dev < THERMO_CNT);
+
+	switch (dev)
+	{
+	case THERMO_TEST:
+		phase_setPower(TRIAC_TEST, 0);
+		break;
+
+	/* Put here a thermo device to turn off */
+
+	default:
+		ASSERT(0);
+	}
+
+}
+
+
+/*!
+ * Based on the current temperature \a cur_temp and the target temperature \a target, this function turns on and off specific
+ * triac channel and handles the freezer alarm.
+ * It may use also PID control for thermo-regolations.
+ */
+INLINE void thermo_hw_set(ThermoDev dev, deg_t target, deg_t cur_temp)
+{
+	ASSERT(dev < THERMO_CNT);
+
+	deg_t dist = target - cur_temp;
+	//kprintf("dev[%d], dist[%d]\n", dev, dist);
+
+	switch(dev)
+	{
+	case THERMO_TEST:
+		if (dist > 0)
+		{
+			/*	phase_setPower(TRIAC_TEST, dist * PID_TEST_K); */
+		}
+		else
+		{
+			/* phase_setPower(TRIAC_TEST, 0); */
+		}
+		break;
+
+	/* Put here an other thermo device */
+
+	default:
+		ASSERT(0);
+	}
+}
+
+
+#define THERMO_HW_INIT	_thermo_hw_init()
+
+/*!
+ * Init hw associated with thermo-control.
+ */
+INLINE void _thermo_hw_init(void)
+{
+	ASSERT(phase_initialized);
+	ASSERT(ntc_initialized);
+
+	phase_setPower(TRIAC_TEST, 0);
+
+	/* Add here the other thermo device */
+}
+
+#endif /* HW_THERMO_H */