From: bernie <bernie@38d2e660-2303-0410-9eaa-f027e97ec537>
Date: Mon, 27 Jun 2005 21:28:31 +0000 (+0000)
Subject: Import ADC driver.
X-Git-Tag: 1.0.0~822
X-Git-Url: https://codewiz.org/gitweb?a=commitdiff_plain;h=4e5ed47bad71f6730e6a041cbe00418d458d0c9c;p=bertos.git

Import ADC driver.


git-svn-id: https://src.develer.com/svnoss/bertos/trunk@419 38d2e660-2303-0410-9eaa-f027e97ec537
---

diff --git a/drv/adc.c b/drv/adc.c
new file mode 100755
index 00000000..c775e161
--- /dev/null
+++ b/drv/adc.c
@@ -0,0 +1,58 @@
+/*!
+ * \file
+ * <!--
+ * Copyright 2005 Develer S.r.l. (http://www.develer.com/)
+ * This file is part of DevLib - See README.devlib for information.
+ * -->
+ *
+ * \version $Id$
+ *
+ * \brief ADC driver (implementation)
+ *
+ * \version $Id$
+ * \author Francesco Sacchi <batt@develer.com>
+ */
+
+/*#*
+ *#* $Log$
+ *#* Revision 1.1  2005/06/27 21:28:31  bernie
+ *#* Import ADC driver.
+ *#*
+ *#*/
+
+
+#include <drv/adc.h>
+#include <drv/timer.h>
+#include <hw_adc.h>
+
+#include <cfg/debug.h>
+#include <cfg/macros.h>
+#include <cfg/compiler.h>
+
+DB(bool adc_initialized = false;)
+
+/*!
+ * Read the ADC channel \a ch.
+ */
+adcread_t adc_read(uint16_t ch)
+{
+	ASSERT(ch <= (uint16_t)ADC_MUX_MAXCH);
+	ch = MIN(ch, (uint16_t)ADC_MUX_MAXCH);
+
+	adc_hw_select_ch(ch);
+
+	return(adc_hw_read());
+}
+
+/*!
+ * Initialize the ADC hardware.
+ */
+void adc_init(void)
+{
+	cpuflags_t flags;
+	IRQ_SAVE_DISABLE(flags);
+
+	ADC_HW_INIT;
+	DB(adc_initialized = true;)
+	IRQ_RESTORE(flags);
+}
diff --git a/drv/adc.h b/drv/adc.h
new file mode 100755
index 00000000..d87a2687
--- /dev/null
+++ b/drv/adc.h
@@ -0,0 +1,38 @@
+/*!
+ * \file
+ * <!--
+ * Copyright 2005 Develer S.r.l. (http://www.develer.com/)
+ * This file is part of DevLib - See README.devlib for information.
+ * -->
+ *
+ * \version $Id$
+ *
+ * \brief ADC driver (interface)
+ *
+ * \version $Id$
+ * \author Francesco Sacchi <batt@develer.com>
+ */
+
+/*#*
+ *#* $Log$
+ *#* Revision 1.1  2005/06/27 21:28:31  bernie
+ *#* Import ADC driver.
+ *#*
+ *#*/
+
+#ifndef DRV_ADC_H
+#define DRV_ADC_H
+
+#include <hw_adc.h>
+#include <cfg/compiler.h>
+#include <cfg/debug.h>
+
+/*!Type for ADC return value. */
+typedef uint16_t adcread_t;
+
+#define adc_bits() ADC_BITS
+
+adcread_t adc_read(uint16_t ch);
+void adc_init(void);
+DB(extern bool adc_initialized;)
+#endif /* DRV_ADC_H */