From 56d6f07e5c87bf8745bb9548ae2227b39d083883 Mon Sep 17 00:00:00 2001
From: asterix <asterix@38d2e660-2303-0410-9eaa-f027e97ec537>
Date: Wed, 7 Oct 2009 15:32:39 +0000
Subject: [PATCH] Add tmp123 sensor temperature driver.

git-svn-id: https://src.develer.com/svnoss/bertos/trunk@3039 38d2e660-2303-0410-9eaa-f027e97ec537
---
 bertos/drv/tmp123.c   | 72 +++++++++++++++++++++++++++++++++++++++++++
 bertos/drv/tmp123.h   | 56 +++++++++++++++++++++++++++++++++
 bertos/hw/hw_tmp123.h | 52 +++++++++++++++++++++++++++++++
 3 files changed, 180 insertions(+)
 create mode 100644 bertos/drv/tmp123.c
 create mode 100644 bertos/drv/tmp123.h
 create mode 100644 bertos/hw/hw_tmp123.h

diff --git a/bertos/drv/tmp123.c b/bertos/drv/tmp123.c
new file mode 100644
index 00000000..9fcc9165
--- /dev/null
+++ b/bertos/drv/tmp123.c
@@ -0,0 +1,72 @@
+/**
+ * \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 2009 Develer S.r.l. (http://www.develer.com/)
+ *
+ * -->
+ *
+ * \brief TMP123 Texas Intrument sensor temperature.
+ *
+ * \author Daniele Basile <asterix@develer.com>
+ *
+ */
+
+#include "tmp123.h"
+
+#include "hw/hw_tmp123.h"
+
+#include <cfg/module.h>
+
+#include <cpu/byteorder.h>
+
+#include <kern/kfile.h>
+
+/**
+ * Read temperature from TMP123 chip.
+ */
+deci_celsius_t tmp123_read(KFile *fd)
+{
+	int16_t tmp;
+
+	CS_ENABLE();
+	kfile_read(fd, &tmp, sizeof(tmp));
+	tmp = be16_to_cpu(tmp);
+	CS_DISABLE();
+
+	tmp >>= 3;
+	return DIV_ROUND((tmp * 10), 16);
+}
+/**
+ * Init module
+ */
+void tmp123_init(void)
+{
+	TMP123_HW_INIT();
+}
+
+
diff --git a/bertos/drv/tmp123.h b/bertos/drv/tmp123.h
new file mode 100644
index 00000000..cb7b377c
--- /dev/null
+++ b/bertos/drv/tmp123.h
@@ -0,0 +1,56 @@
+/**
+ * \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 2009 Develer S.r.l. (http://www.develer.com/)
+ *
+ * -->
+ *
+ * \brief TMP123 Texas Intrument sensor temperature.
+ *
+ * \author Daniele Basile <asterix@develer.com>
+ *
+ * $WIZ$ module_name = "tmp123"
+ * $WIZ$ module_depends = "timer", "kfile"
+ * $WIZ$ module_configuration = ""
+ * $WIZ$ module_hw = "bertos/hw/hw_tmp123.h"
+ */
+
+#ifndef DRV_TMP123_H
+#define DRV_TMP123_H
+
+#include <cpu/types.h>
+
+#include <kern/kfile.h>
+
+typedef int16_t deci_celsius_t;
+
+deci_celsius_t tmp123_read(KFile *fd);
+
+void tmp123_init(void);
+
+#endif /* DRV_TMP123_H */
diff --git a/bertos/hw/hw_tmp123.h b/bertos/hw/hw_tmp123.h
new file mode 100644
index 00000000..7da97e1f
--- /dev/null
+++ b/bertos/hw/hw_tmp123.h
@@ -0,0 +1,52 @@
+/**
+ * \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 2009 Develer S.r.l. (http://www.develer.com/)
+ * All Rights Reserved.
+ * -->
+ *
+ * \brief Hardware macro definition.
+ *
+ * \author Daniele Basile <asterix@develer.com>
+ */
+
+#ifndef HW_TMP123_H
+#define HW_TMP123_H
+
+#warning TODO:This is an example implentation, you must implement it!
+
+#define CS_ENABLE()    /* Implement me! */
+#define CS_DISABLE()   /* Implement me! */
+
+#define TMP123_HW_INIT() \
+	do { \
+	/* Pin init */\
+	} while (0)
+
+#endif /* HW_TMP123_H */
+
-- 
2.25.1