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cyan: led control

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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>
This commit is contained in:
Hsu Henry
2015-05-22 10:59:45 +08:00
committed by ChromeOS Commit Bot
parent 8e7b34f314
commit 25ce43fc3d
1 changed files with 39 additions and 9 deletions
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48
board/cyan/led.c
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@@ -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;