From 39243bceed2e988791b9654ed0fca2ab0806bb9f Mon Sep 17 00:00:00 2001
From: Heikki Hannikainen <hessuh@rockbox.org>
Date: Wed, 7 Aug 2002 11:22:26 +0000
Subject: Made battery_level() use the power history table to get an average
 battery level over the last 3 minutes.

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@1585 a1c6a512-1295-4272-9138-f99709370657
---
 firmware/drivers/power.c | 29 -----------------------------
 firmware/drivers/power.h | 13 -------------
 2 files changed, 42 deletions(-)

diff --git a/firmware/drivers/power.c b/firmware/drivers/power.c
index 559509fa67..4a45041325 100644
--- a/firmware/drivers/power.c
+++ b/firmware/drivers/power.c
@@ -37,29 +37,6 @@ bool charger_inserted(void)
 #endif
 }
 
-/* Returns battery level in percent */
-int battery_level(void)
-{
-    int level;
-    
-    level = adc_read(ADC_UNREG_POWER);
-    if(level < 0)
-        level = 0;
-    
-    if(level > BATTERY_LEVEL_FULL)
-        level = BATTERY_LEVEL_FULL;
-
-    if(level < BATTERY_LEVEL_EMPTY)
-        level = BATTERY_LEVEL_EMPTY;
-
-    return ((level-BATTERY_LEVEL_EMPTY) * 100) / BATTERY_RANGE;
-}
-
-bool battery_level_safe(void)
-{
-    return adc_read(ADC_UNREG_POWER) > BATTERY_LEVEL_DANGEROUS;
-}
-
 void charger_enable(bool on)
 {
 #ifdef HAVE_CHARGE_CTRL
@@ -105,12 +82,6 @@ bool charger_inserted(void)
     return false;
 }
 
-/* Returns battery level in percent */
-int battery_level(void)
-{
-    return 100;
-}
-
 void charger_enable(bool on)
 {
     on = on;
diff --git a/firmware/drivers/power.h b/firmware/drivers/power.h
index fe7d443bef..f4e7a0b990 100644
--- a/firmware/drivers/power.h
+++ b/firmware/drivers/power.h
@@ -19,13 +19,6 @@
 #ifndef _POWER_H_
 #define _POWER_H_
 
-#define BATTERY_LEVEL_SHUTDOWN (4500000 / BATTERY_SCALE_FACTOR) /* 4.5V */
-#define BATTERY_LEVEL_EMPTY (4650000 / BATTERY_SCALE_FACTOR) /* 4.65V */
-#define BATTERY_LEVEL_DANGEROUS (4750000 / BATTERY_SCALE_FACTOR) /* 4.75V */
-#define BATTERY_LEVEL_FULL (5200000 / BATTERY_SCALE_FACTOR) /* 5.2V */
-
-#define BATTERY_RANGE (BATTERY_LEVEL_FULL - BATTERY_LEVEL_EMPTY)
-
 #ifdef HAVE_CHARGE_CTRL
 extern bool charger_enabled;
 #endif
@@ -35,10 +28,4 @@ void charger_enable(bool on);
 void ide_power_enable(bool on);
 void power_off(void);
 
-/* Returns battery level in percent */
-int battery_level(void);
-
-/* Tells if the battery level is safe for disk writes */
-bool battery_level_safe(void);
-
 #endif
-- 
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