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Use average of two samples at both ends of the range for calculating smoother delta values.

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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@1716 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Heikki Hannikainen 2002-08-13 16:06:29 +00:00
parent 677c5cc3b5
commit 9872b66cd1
2 changed files with 12 additions and 4 deletions
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8
apps/debug_menu.c
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@ -507,15 +507,19 @@ void view_battery(void)
lcd_puts(0, 4, buf);
#endif
y = ( power_history[POWER_HISTORY_LEN-1] * 100
+ power_history[POWER_HISTORY_LEN-2] * 100
- power_history[POWER_HISTORY_LEN-1-CHARGE_END_NEGD+1] * 100
- power_history[POWER_HISTORY_LEN-1-CHARGE_END_NEGD] * 100 )
/ CHARGE_END_NEGD;
/ CHARGE_END_NEGD / 2;
snprintf(buf, 30, "short delta: %d", y);
lcd_puts(0, 5, buf);
y = ( power_history[POWER_HISTORY_LEN-1] * 100
+ power_history[POWER_HISTORY_LEN-2] * 100
- power_history[POWER_HISTORY_LEN-1-CHARGE_END_ZEROD+1] * 100
- power_history[POWER_HISTORY_LEN-1-CHARGE_END_ZEROD] * 100 )
/ CHARGE_END_ZEROD;
/ CHARGE_END_ZEROD / 2;
snprintf(buf, 30, "long delta: %d", y);
lcd_puts(0, 6, buf);