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authorDaniel Stenberg <daniel@haxx.se>2003-02-07 10:08:02 +0000
committerDaniel Stenberg <daniel@haxx.se>2003-02-07 10:08:02 +0000
commite597ca4732c82148f37cb6931ca917818ee31c8a (patch)
tree3174a2cbfa020d02cf7db1c218d3d461533c5102 /firmware/export/adc.h
parent70e59ede4e28a0972f0c4b3c2fab156ed186dd92 (diff)
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Move publicly (from apps) accessed files from drivers/ to export/.
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@3219 a1c6a512-1295-4272-9138-f99709370657
Diffstat (limited to 'firmware/export/adc.h')
-rw-r--r--firmware/export/adc.h47
1 files changed, 47 insertions, 0 deletions
diff --git a/firmware/export/adc.h b/firmware/export/adc.h
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--- /dev/null
+++ b/firmware/export/adc.h
@@ -0,0 +1,47 @@
+/***************************************************************************
+ * __________ __ ___.
+ * Open \______ \ ____ ____ | | _\_ |__ _______ ___
+ * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
+ * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
+ * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
+ * \/ \/ \/ \/ \/
+ * $Id$
+ *
+ * Copyright (C) 2002 by Linus Nielsen Feltzing
+ *
+ * All files in this archive are subject to the GNU General Public License.
+ * See the file COPYING in the source tree root for full license agreement.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ****************************************************************************/
+#ifndef _ADC_H_
+#define _ADC_H_
+
+#define NUM_ADC_CHANNELS 8
+
+#define ADC_BATTERY 0 /* Battery voltage always reads 0x3FF due to
+ silly scaling */
+#ifdef HAVE_FMADC
+#define ADC_CHARGE_REGULATOR 0 /* Uh, we read the battery voltage? */
+#define ADC_USB_POWER 1 /* USB, reads 0x000 when USB is inserted */
+#else
+#define ADC_CHARGE_REGULATOR 1 /* Regulator reference voltage, should read
+ about 0x1c0 when charging, else 0x3FF */
+#define ADC_USB_POWER 2 /* USB, reads 0x3FF when USB is inserted */
+#endif
+
+#define ADC_BUTTON_ROW1 4 /* Used for scanning the keys, different
+ voltages for different keys */
+#define ADC_BUTTON_ROW2 5 /* Used for scanning the keys, different
+ voltages for different keys */
+#define ADC_UNREG_POWER 6 /* Battery voltage with a better scaling */
+#define ADC_EXT_POWER 7 /* The external power voltage, V=X*0.0148 */
+
+#define EXT_SCALE_FACTOR 14800
+
+unsigned short adc_read(int channel);
+void adc_init(void);
+
+#endif