Improved ADC driver for AS3514 (used in PP5024 - ie. Sansa e200) based off datasheet.

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@12745 a1c6a512-1295-4272-9138-f99709370657

2 files changed, 10 insertions, 1 deletions

diff --git a/firmware/export/as3514.h b/firmware/export/as3514.h
index 0bf87dbc46..3261765f7f 100644
--- a/firmware/export/as3514.h
+++ b/firmware/export/as3514.h
@@ -20,6 +20,8 @@
 #ifndef _AS3514_H
 #define _AS3514_H
 
+#include <stdbool.h>
+
 extern int tenthdb2master(int db);
 extern int tenthdb2mixer(int db);
 
@@ -67,6 +69,13 @@ extern void audiohw_set_equalizer_band(int band, int freq, int bw, int gain);
 #define AUDIOSET3  0x16
 #define PLLMODE    0x1d
 
+#define IRQ_ENRD0  0x25
+#define IRQ_ENRD1  0x26
+#define IRQ_ENRD2  0x27
+
+#define ADC_0      0x2e
+#define ADC_1      0x2f
+
 /* Headphone volume goes from -45.43 - 1.07dB */
 #define VOLUME_MIN -454
 #define VOLUME_MAX 10
diff --git a/firmware/export/config-e200.h b/firmware/export/config-e200.h
index 1b3404a148..304c7062e5 100644
--- a/firmware/export/config-e200.h
+++ b/firmware/export/config-e200.h
@@ -88,7 +88,7 @@
 #define BATTERY_CAPACITY_MAX 750        /* max. capacity selectable */
 #define BATTERY_CAPACITY_INC 0          /* capacity increment */
 #define BATTERY_TYPES_COUNT  1          /* only one type */
-#define BATTERY_SCALE_FACTOR 5054
+#define BATTERY_SCALE_FACTOR 5005       /* ADC should read 0x3ff=5.12V */
 
 /* Hardware controlled charging? FIXME */
 #define CONFIG_CHARGING CHARGING_SIMPLE