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| author | Hsu Henry <Henry.Hsu@quantatw.com> | 2015-05-22 10:59:45 +0800 |
|---|---|---|
| committer | ChromeOS Commit Bot <chromeos-commit-bot@chromium.org> | 2015-05-27 02:39:35 +0000 |
| commit | 25ce43fc3d35669500d74e44f3b7c96302ee2ade (patch) | |
| tree | 37186ab153cc2fdc986d9d92a15ec7dfb8367052 | |
| parent | 8e7b34f314981b16cbec2a5ce64a4165b0f3b353 (diff) | |
| download | chrome-ec-25ce43fc3d35669500d74e44f3b7c96302ee2ade.tar.gz | |
cyan: led control
New led control from Yuna since it is close to CrOS UI.
BUG=chrome-os-partner:37576
BRANCH=cyan
TEST="make BOARD=cyan" and check the two factors in CrOS:
shutdown=4% and full= 97%.
Change-Id: I8aa7ae5f35a3f3f6f15c6131a1f8fb581025de2d
Signed-off-by: Henry Hsu <Henry.Hsu@quantatw.com>
Reviewed-on: https://chromium-review.googlesource.com/272815
Reviewed-by: Mohammed Habibulla <moch@google.com>
| -rw-r--r-- | board/cyan/led.c | 48 |
1 files changed, 39 insertions, 9 deletions
diff --git a/board/cyan/led.c b/board/cyan/led.c index e8c2f13eb3..d6953b4fab 100644 --- a/board/cyan/led.c +++ b/board/cyan/led.c @@ -15,8 +15,14 @@ #include "led_common.h" #include "util.h" -#define LED_TOTAL_TICKS 16 -#define LED_ON_TICKS 4 +#define CRITICAL_LOW_BATTERY_PERMILLAGE 71 +#define LOW_BATTERY_PERMILLAGE 137 +#define FULL_BATTERY_PERMILLAGE 937 + +#define LED_TOTAL_4SECS_TICKS 16 +#define LED_TOTAL_2SECS_TICKS 8 +#define LED_ON_1SEC_TICKS 4 +#define LED_ON_2SECS_TICKS 8 enum led_color { LED_OFF = 0, @@ -124,8 +130,8 @@ static void cyan_led_set_power(void) /* Blink once every four seconds. */ cyan_led_set_color_power( - (power_ticks % LED_TOTAL_TICKS < LED_ON_TICKS) ? - LED_AMBER : LED_OFF); + (power_ticks % LED_TOTAL_4SECS_TICKS < + LED_ON_1SEC_TICKS) ? LED_AMBER : LED_OFF); previous_state_suspend = 1; return; @@ -143,28 +149,52 @@ static void cyan_led_set_battery(void) { static int battery_ticks; uint32_t chflags = charge_get_flags(); + int remaining_capacity; + int full_charge_capacity; + int permillage; battery_ticks++; + remaining_capacity = *(int *)host_get_memmap(EC_MEMMAP_BATT_CAP); + full_charge_capacity = *(int *)host_get_memmap(EC_MEMMAP_BATT_LFCC); + permillage = !full_charge_capacity ? 0 : + (1000 * remaining_capacity) / full_charge_capacity; + switch (charge_get_state()) { case PWR_STATE_CHARGE: - cyan_led_set_color_battery(LED_AMBER); + /* Make the percentage approximate to UI shown */ + cyan_led_set_color_battery(permillage < + FULL_BATTERY_PERMILLAGE ? LED_AMBER : LED_BLUE); break; case PWR_STATE_CHARGE_NEAR_FULL: cyan_led_set_color_battery(LED_BLUE); break; case PWR_STATE_DISCHARGE: - cyan_led_set_color_battery(LED_OFF); + /* Less than 3%, blink one second every two seconds */ + if (!chipset_in_state(CHIPSET_STATE_ANY_OFF) && + permillage <= CRITICAL_LOW_BATTERY_PERMILLAGE) + cyan_led_set_color_battery( + (battery_ticks % LED_TOTAL_2SECS_TICKS < + LED_ON_1SEC_TICKS) ? LED_AMBER : LED_OFF); + /* Less than 10%, blink one second every four seconds */ + else if (!chipset_in_state(CHIPSET_STATE_ANY_OFF) && + permillage <= LOW_BATTERY_PERMILLAGE) + cyan_led_set_color_battery( + (battery_ticks % LED_TOTAL_4SECS_TICKS < + LED_ON_1SEC_TICKS) ? LED_AMBER : LED_OFF); + else + cyan_led_set_color_battery(LED_OFF); break; case PWR_STATE_ERROR: cyan_led_set_color_battery( - (battery_ticks % LED_TOTAL_TICKS < LED_ON_TICKS) ? - LED_AMBER : LED_OFF); + (battery_ticks % LED_TOTAL_2SECS_TICKS < + LED_ON_1SEC_TICKS) ? LED_AMBER : LED_OFF); break; case PWR_STATE_IDLE: /* External power connected in IDLE. */ if (chflags & CHARGE_FLAG_FORCE_IDLE) cyan_led_set_color_battery( - (battery_ticks & 0x4) ? LED_BLUE : LED_OFF); + (battery_ticks % LED_TOTAL_4SECS_TICKS < + LED_ON_2SECS_TICKS) ? LED_BLUE : LED_AMBER); else cyan_led_set_color_battery(LED_BLUE); break; |