diff options
| author | Jens Arnold <amiconn@rockbox.org> | 2007-08-17 20:47:24 +0000 |
|---|---|---|
| committer | Jens Arnold <amiconn@rockbox.org> | 2007-08-17 20:47:24 +0000 |
| commit | bfa1adcd06eca3b64f6d71b2231db88cd86ef902 (patch) | |
| tree | ee53b3a672aed7305e39e72c151928a83bce4e13 /firmware/target/coldfire/iriver/h300/powermgmt-h300.c | |
| parent | 98a3789071caac4b7e64f1cc0f5969ecd530cc5c (diff) | |
H300: Read battery voltage with 10bit precision.
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@14379 a1c6a512-1295-4272-9138-f99709370657
Diffstat (limited to 'firmware/target/coldfire/iriver/h300/powermgmt-h300.c')
| -rw-r--r-- | firmware/target/coldfire/iriver/h300/powermgmt-h300.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/firmware/target/coldfire/iriver/h300/powermgmt-h300.c b/firmware/target/coldfire/iriver/h300/powermgmt-h300.c index b2d844075e..1bf1de59d9 100644 --- a/firmware/target/coldfire/iriver/h300/powermgmt-h300.c +++ b/firmware/target/coldfire/iriver/h300/powermgmt-h300.c @@ -48,11 +48,11 @@ const unsigned short percent_to_volt_charge[11] = /* FIX: this value is picked at random */ #define BATTERY_SCALE_FACTOR 6000 -/* full-scale ADC readout (2^8) in millivolt */ +/* full-scale ADC readout (2^10) in millivolt */ /* Returns battery voltage from ADC [millivolts] */ unsigned int battery_adc_voltage(void) { - return (adc_read(ADC_UNREG_POWER) * BATTERY_SCALE_FACTOR) >> 8; + return (adc_read(ADC_UNREG_POWER) * BATTERY_SCALE_FACTOR) >> 10; } |