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| author | Michael Sevakis <jethead71@rockbox.org> | 2010-04-07 06:26:18 +0000 |
|---|---|---|
| committer | Michael Sevakis <jethead71@rockbox.org> | 2010-04-07 06:26:18 +0000 |
| commit | 4e8704c387d1983cca20070a05d99e70aca9d5b2 (patch) | |
| tree | e84e6d3d869580dfb1ccc9abc66bf05ad9cbbe42 | |
| parent | f25f17c5b60ade629b8b7b0449a6aafab7e32a7d (diff) | |
| download | rockbox-4e8704c387d1983cca20070a05d99e70aca9d5b2.zip rockbox-4e8704c387d1983cca20070a05d99e70aca9d5b2.tar.gz rockbox-4e8704c387d1983cca20070a05d99e70aca9d5b2.tar.bz2 rockbox-4e8704c387d1983cca20070a05d99e70aca9d5b2.tar.xz | |
Gigabeat S: Extend the upper temperature range for battery charging to 50C: OK and 45C: Resume. Currently extended disk activity can cause it to detect overtemp which doesn't quite seem correct. Add macros for the range so that they may be target-specific.
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@25508 a1c6a512-1295-4272-9138-f99709370657
| -rw-r--r-- | firmware/target/arm/imx31/gigabeat-s/powermgmt-imx31.c | 9 | ||||
| -rw-r--r-- | firmware/target/arm/imx31/gigabeat-s/powermgmt-target.h | 10 |
2 files changed, 17 insertions, 2 deletions
diff --git a/firmware/target/arm/imx31/gigabeat-s/powermgmt-imx31.c b/firmware/target/arm/imx31/gigabeat-s/powermgmt-imx31.c index c6b3549..6986a06 100644 --- a/firmware/target/arm/imx31/gigabeat-s/powermgmt-imx31.c +++ b/firmware/target/arm/imx31/gigabeat-s/powermgmt-imx31.c @@ -467,8 +467,13 @@ static bool charging_ok(void) * come back into safe range. */ static const signed char temp_ranges[2][2] = { - { 0, 45 }, /* Temperature range before beginning charging */ - { 5, 40 }, /* Temperature range after out-of-range detected */ + /* Temperature range before beginning charging */ + { BATTERY_CHARGE_MIN, + BATTERY_CHARGE_MAX }, + /* Temperature range after out-of-range detected - + charging will self-resume */ + { BATTERY_CHARGE_RESTART_MIN, + BATTERY_CHARGE_RESTART_MAX }, }; int temp = battery_adc_temp(); diff --git a/firmware/target/arm/imx31/gigabeat-s/powermgmt-target.h b/firmware/target/arm/imx31/gigabeat-s/powermgmt-target.h index c157dc2..86278bc 100644 --- a/firmware/target/arm/imx31/gigabeat-s/powermgmt-target.h +++ b/firmware/target/arm/imx31/gigabeat-s/powermgmt-target.h @@ -61,6 +61,16 @@ read below 2400mV. */ #define CHARGER_TOTAL_TIMER 300 /* minutes */ +/* Temperature readings - w/hysteresis */ + +/* Temperature range before beginning charging */ +#define BATTERY_CHARGE_MIN 0 +#define BATTERY_CHARGE_MAX 50 +/* Temperature range after out-of-range detected - charging will + * self-resume */ +#define BATTERY_CHARGE_RESTART_MIN 5 +#define BATTERY_CHARGE_RESTART_MAX 45 + /* .316 ohms is closest standard value as measured in 1% tolerance - adjust * relative to .100 ohm which is what the PMIC is "tuned" for. */ #define ILEVEL_ADJUST_IN(I) (100*(I) / 316) |