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| author | Linus Nielsen Feltzing <linus@haxx.se> | 2002-07-29 12:56:22 +0000 |
|---|---|---|
| committer | Linus Nielsen Feltzing <linus@haxx.se> | 2002-07-29 12:56:22 +0000 |
| commit | 416870d781d84ea61e9c1ca7b86f2008dacd1151 (patch) | |
| tree | 772a8e12e2d6d2b1f946a602cbadbb9a71dcc9ad | |
| parent | ec370c70fef9e6b5d9e37645ca125a8d7f93baa9 (diff) | |
| download | rockbox-416870d781d84ea61e9c1ca7b86f2008dacd1151.zip rockbox-416870d781d84ea61e9c1ca7b86f2008dacd1151.tar.gz rockbox-416870d781d84ea61e9c1ca7b86f2008dacd1151.tar.bz2 rockbox-416870d781d84ea61e9c1ca7b86f2008dacd1151.tar.xz | |
Commented the ADC channels
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@1490 a1c6a512-1295-4272-9138-f99709370657
| -rw-r--r-- | firmware/drivers/adc.h | 18 |
1 files changed, 11 insertions, 7 deletions
diff --git a/firmware/drivers/adc.h b/firmware/drivers/adc.h index 9785f8f..1ff5118 100644 --- a/firmware/drivers/adc.h +++ b/firmware/drivers/adc.h @@ -21,14 +21,18 @@ #define NUM_ADC_CHANNELS 8 -#define ADC_BATTERY 0 -#define ADC_CHARGE_REGULATOR 1 -#define ADC_USB_POWER 2 +#define ADC_BATTERY 0 /* Battery voltage always reads 0x3FF due to + silly scaling */ +#define ADC_CHARGE_REGULATOR 1 /* Regulator reference voltage, should read + about 0x1c0 when charging, else 0x3FF */ +#define ADC_USB_POWER 2 /* USB, reads 0x3FF when USB is inserted */ -#define ADC_BUTTON_ROW1 4 -#define ADC_BUTTON_ROW2 5 -#define ADC_UNREG_POWER 6 -#define ADC_EXT_POWER 7 +#define ADC_BUTTON_ROW1 4 /* Used for scanning the keys, different + voltages for different keys */ +#define ADC_BUTTON_ROW2 5 /* Used for scanning the keys, different + voltages for different keys */ +#define ADC_UNREG_POWER 6 /* Battery voltage with a better scaling */ +#define ADC_EXT_POWER 7 /* The external power voltage, V=X*0.0148 */ #ifdef ARCHOS_RECORDER #define BATTERY_SCALE_FACTOR 6465 |