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 (executable)
index 0000000..c775e16
--- /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 (executable)
index 0000000..d87a268
--- /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 */