diff options
| -rw-r--r-- | common/pmu_tps65090_charger.c | 23 |
1 files changed, 19 insertions, 4 deletions
diff --git a/common/pmu_tps65090_charger.c b/common/pmu_tps65090_charger.c index 03c2d51f03..be3abd0bb2 100644 --- a/common/pmu_tps65090_charger.c +++ b/common/pmu_tps65090_charger.c @@ -132,6 +132,13 @@ static int notify_battery_low(void) /* * Calculate relative state of charge moving average * + * @param state_of_charge Current battery state of charge reading, + * from 0 to 100. When state_of_charge < 0, + * resets the moving average window + * @return Average state of charge, rounded to nearest + * integer. + * -1 when window reset. + * * The returned value will be rounded to the nearest integer, by set moving * average init value to (0.5 * window_size). * @@ -140,11 +147,16 @@ static int rsoc_moving_average(int state_of_charge) { static uint8_t rsoc[4]; static int8_t index = -1; - int moving_average = sizeof(rsoc) / 2; + int moving_average = ARRAY_SIZE(rsoc) / 2; int i; + if (state_of_charge < 0) { + index = -1; + return -1; + } + if (index < 0) { - for (i = 0; i < sizeof(rsoc); i++) + for (i = 0; i < ARRAY_SIZE(rsoc); i++) rsoc[i] = (uint8_t)state_of_charge; index = 0; return state_of_charge; @@ -154,9 +166,9 @@ static int rsoc_moving_average(int state_of_charge) index++; index %= sizeof(rsoc); - for (i = 0; i < sizeof(rsoc); i++) + for (i = 0; i < ARRAY_SIZE(rsoc); i++) moving_average += (int)rsoc[i]; - moving_average /= sizeof(rsoc); + moving_average /= ARRAY_SIZE(rsoc); return moving_average; } @@ -388,6 +400,9 @@ void pmu_charger_task(void) calc_next_state(state); if (next_state != state) { + /* Reset state of charge moving average window */ + rsoc_moving_average(-1); + pre_charging_count = 0; CPRINTF("[batt] state %s -> %s\n", state_list[state], |