erosq: Add battery discharge curve and initial runtime estimation.

(playing mp3 with headphones inserted lasted just over 13 hours)

Change-Id: Id610f911811eafd914db20000ae860c75e0d8a93

2 files changed, 10 insertions, 5 deletions

diff --git a/firmware/export/config/aigoerosq.h b/firmware/export/config/aigoerosq.h
index 6129557726..5a520707d9 100644
--- a/firmware/export/config/aigoerosq.h
+++ b/firmware/export/config/aigoerosq.h
@@ -122,11 +122,15 @@
 #define HW_SAMPR_CAPS SAMPR_CAP_ALL_192
 
 /* Battery */
-#define BATTERY_CAPACITY_DEFAULT 2000 /* default battery capacity */
-#define BATTERY_CAPACITY_MIN 2000  /* min. capacity selectable */
-#define BATTERY_CAPACITY_MAX 2000 /* max. capacity selectable */
+#define BATTERY_CAPACITY_DEFAULT 1300 /* default battery capacity */
+#define BATTERY_CAPACITY_MIN 1300  /* min. capacity selectable */
+#define BATTERY_CAPACITY_MAX 1500 /* max. capacity selectable */
 #define BATTERY_CAPACITY_INC 0   /* capacity increment */
 
+#define CURRENT_NORMAL 100      // 1.7mA * 60s
+#define CURRENT_BACKLIGHT 180
+#define CURRENT_MAX_CHG 500     // bursts higher if needed
+
 /* ROLO */
 #define BOOTFILE_EXT "erosq"
 #define BOOTFILE     "rockbox." BOOTFILE_EXT
diff --git a/firmware/target/hosted/aigo/powermgmt-erosq.c b/firmware/target/hosted/aigo/powermgmt-erosq.c
index 14286de3fd..e02dbc6244 100644
--- a/firmware/target/hosted/aigo/powermgmt-erosq.c
+++ b/firmware/target/hosted/aigo/powermgmt-erosq.c
@@ -23,7 +23,7 @@
 
 const unsigned short battery_level_dangerous[BATTERY_TYPES_COUNT] =
 {
-    3470
+    3435
 };
 
 /* the OF shuts down at this voltage */
@@ -35,7 +35,8 @@ const unsigned short battery_level_shutoff[BATTERY_TYPES_COUNT] =
 /* voltages (millivolt) of 0%, 10%, ... 100% when charging disabled */
 const unsigned short percent_to_volt_discharge[BATTERY_TYPES_COUNT][11] =
 {
-    { 3400, 3639, 3697, 3723, 3757, 3786, 3836, 3906, 3980, 4050, 4159 }
+    /* ErosQ's 1300mAh battery */
+    { 3400, 3478, 3547, 3581, 3618, 3654, 3725, 3820, 3909, 3999, 4159 }
 };
 
 /* voltages (millivolt) of 0%, 10%, ... 100% when charging enabled */