From dd2bae49ebfbe44bf91c8444bc74ffaa600f8ae1 Mon Sep 17 00:00:00 2001 From: Heikki Hannikainen Date: Thu, 15 Aug 2002 11:32:01 +0000 Subject: avoid flickering of battery level during the first minute of uptime by taking a voltage sample at power_init git-svn-id: svn://svn.rockbox.org/rockbox/trunk@1758 a1c6a512-1295-4272-9138-f99709370657 --- firmware/powermgmt.c | 3 +++ 1 file changed, 3 insertions(+) (limited to 'firmware/powermgmt.c') diff --git a/firmware/powermgmt.c b/firmware/powermgmt.c index df796f9140..8791338ab4 100644 --- a/firmware/powermgmt.c +++ b/firmware/powermgmt.c @@ -235,6 +235,9 @@ void power_init(void) { /* init history to 0 */ memset(power_history, 0x00, sizeof(power_history)); + /* initialize the history with a single sample to prevent level + flickering during the first minute of execution */ + power_history[POWER_HISTORY_LEN-1] = (adc_read(ADC_UNREG_POWER) * BATTERY_SCALE_FACTOR) / 10000; #ifdef HAVE_CHARGE_CTRL snprintf(power_message, POWER_MESSAGE_LEN, "Powermgmt started"); -- cgit v1.2.3