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authorTao Bao <tbao@google.com>2018-04-26 19:40:36 +0200
committerTao Bao <tbao@google.com>2018-04-27 00:21:34 +0200
commitf2ea6d79992c4004e693c942e5aa0eb32eb5387d (patch)
tree04cd7bf29a577cde410af62a26df9df4ac74976f /recovery.cpp
parentMerge "Mark ui_print with __printflike." (diff)
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Diffstat (limited to 'recovery.cpp')
-rw-r--r--recovery.cpp122
1 files changed, 62 insertions, 60 deletions
diff --git a/recovery.cpp b/recovery.cpp
index 7c8374460..d3af357cf 100644
--- a/recovery.cpp
+++ b/recovery.cpp
@@ -116,12 +116,6 @@ static const char *LAST_LOG_FILE = "/cache/recovery/last_log";
// We will try to apply the update package 5 times at most in case of an I/O error or
// bspatch | imgpatch error.
static const int RETRY_LIMIT = 4;
-static const int BATTERY_READ_TIMEOUT_IN_SEC = 10;
-// GmsCore enters recovery mode to install package when having enough battery
-// percentage. Normally, the threshold is 40% without charger and 20% with charger.
-// So we should check battery with a slightly lower limitation.
-static const int BATTERY_OK_PERCENTAGE = 20;
-static const int BATTERY_WITH_CHARGER_OK_PERCENTAGE = 15;
static constexpr const char* RECOVERY_WIPE = "/etc/recovery.wipe";
static constexpr const char* DEFAULT_LOCALE = "en-US";
@@ -1265,58 +1259,65 @@ void UiLogger(android::base::LogId /* id */, android::base::LogSeverity severity
}
}
-static bool is_battery_ok() {
- struct healthd_config healthd_config = {
- .batteryStatusPath = android::String8(android::String8::kEmptyString),
- .batteryHealthPath = android::String8(android::String8::kEmptyString),
- .batteryPresentPath = android::String8(android::String8::kEmptyString),
- .batteryCapacityPath = android::String8(android::String8::kEmptyString),
- .batteryVoltagePath = android::String8(android::String8::kEmptyString),
- .batteryTemperaturePath = android::String8(android::String8::kEmptyString),
- .batteryTechnologyPath = android::String8(android::String8::kEmptyString),
- .batteryCurrentNowPath = android::String8(android::String8::kEmptyString),
- .batteryCurrentAvgPath = android::String8(android::String8::kEmptyString),
- .batteryChargeCounterPath = android::String8(android::String8::kEmptyString),
- .batteryFullChargePath = android::String8(android::String8::kEmptyString),
- .batteryCycleCountPath = android::String8(android::String8::kEmptyString),
- .energyCounter = NULL,
- .boot_min_cap = 0,
- .screen_on = NULL
- };
- healthd_board_init(&healthd_config);
-
- android::BatteryMonitor monitor;
- monitor.init(&healthd_config);
-
- int wait_second = 0;
- while (true) {
- int charge_status = monitor.getChargeStatus();
- // Treat unknown status as charged.
- bool charged = (charge_status != android::BATTERY_STATUS_DISCHARGING &&
- charge_status != android::BATTERY_STATUS_NOT_CHARGING);
- android::BatteryProperty capacity;
- android::status_t status = monitor.getProperty(android::BATTERY_PROP_CAPACITY, &capacity);
- ui_print("charge_status %d, charged %d, status %d, capacity %" PRId64 "\n", charge_status,
- charged, status, capacity.valueInt64);
- // At startup, the battery drivers in devices like N5X/N6P take some time to load
- // the battery profile. Before the load finishes, it reports value 50 as a fake
- // capacity. BATTERY_READ_TIMEOUT_IN_SEC is set that the battery drivers are expected
- // to finish loading the battery profile earlier than 10 seconds after kernel startup.
- if (status == 0 && capacity.valueInt64 == 50) {
- if (wait_second < BATTERY_READ_TIMEOUT_IN_SEC) {
- sleep(1);
- wait_second++;
- continue;
- }
- }
- // If we can't read battery percentage, it may be a device without battery. In this
- // situation, use 100 as a fake battery percentage.
- if (status != 0) {
- capacity.valueInt64 = 100;
- }
- return (charged && capacity.valueInt64 >= BATTERY_WITH_CHARGER_OK_PERCENTAGE) ||
- (!charged && capacity.valueInt64 >= BATTERY_OK_PERCENTAGE);
+static bool is_battery_ok(int* required_battery_level) {
+ struct healthd_config healthd_config = {
+ .batteryStatusPath = android::String8(android::String8::kEmptyString),
+ .batteryHealthPath = android::String8(android::String8::kEmptyString),
+ .batteryPresentPath = android::String8(android::String8::kEmptyString),
+ .batteryCapacityPath = android::String8(android::String8::kEmptyString),
+ .batteryVoltagePath = android::String8(android::String8::kEmptyString),
+ .batteryTemperaturePath = android::String8(android::String8::kEmptyString),
+ .batteryTechnologyPath = android::String8(android::String8::kEmptyString),
+ .batteryCurrentNowPath = android::String8(android::String8::kEmptyString),
+ .batteryCurrentAvgPath = android::String8(android::String8::kEmptyString),
+ .batteryChargeCounterPath = android::String8(android::String8::kEmptyString),
+ .batteryFullChargePath = android::String8(android::String8::kEmptyString),
+ .batteryCycleCountPath = android::String8(android::String8::kEmptyString),
+ .energyCounter = nullptr,
+ .boot_min_cap = 0,
+ .screen_on = nullptr
+ };
+ healthd_board_init(&healthd_config);
+
+ android::BatteryMonitor monitor;
+ monitor.init(&healthd_config);
+
+ static constexpr int BATTERY_READ_TIMEOUT_IN_SEC = 10;
+ int wait_second = 0;
+ while (true) {
+ int charge_status = monitor.getChargeStatus();
+ // Treat unknown status as charged.
+ bool charged = (charge_status != android::BATTERY_STATUS_DISCHARGING &&
+ charge_status != android::BATTERY_STATUS_NOT_CHARGING);
+ android::BatteryProperty capacity;
+ android::status_t status = monitor.getProperty(android::BATTERY_PROP_CAPACITY, &capacity);
+ ui_print("charge_status %d, charged %d, status %d, capacity %" PRId64 "\n", charge_status,
+ charged, status, capacity.valueInt64);
+ // At startup, the battery drivers in devices like N5X/N6P take some time to load
+ // the battery profile. Before the load finishes, it reports value 50 as a fake
+ // capacity. BATTERY_READ_TIMEOUT_IN_SEC is set that the battery drivers are expected
+ // to finish loading the battery profile earlier than 10 seconds after kernel startup.
+ if (status == 0 && capacity.valueInt64 == 50) {
+ if (wait_second < BATTERY_READ_TIMEOUT_IN_SEC) {
+ sleep(1);
+ wait_second++;
+ continue;
+ }
}
+ // If we can't read battery percentage, it may be a device without battery. In this situation,
+ // use 100 as a fake battery percentage.
+ if (status != 0) {
+ capacity.valueInt64 = 100;
+ }
+
+ // GmsCore enters recovery mode to install package when having enough battery percentage.
+ // Normally, the threshold is 40% without charger and 20% with charger. So we should check
+ // battery with a slightly lower limitation.
+ static constexpr int BATTERY_OK_PERCENTAGE = 20;
+ static constexpr int BATTERY_WITH_CHARGER_OK_PERCENTAGE = 15;
+ *required_battery_level = charged ? BATTERY_WITH_CHARGER_OK_PERCENTAGE : BATTERY_OK_PERCENTAGE;
+ return capacity.valueInt64 >= *required_battery_level;
+ }
}
// Set the retry count to |retry_count| in BCB.
@@ -1544,9 +1545,10 @@ int main(int argc, char **argv) {
// to log the update attempt since update_package is non-NULL.
modified_flash = true;
- if (retry_count == 0 && !is_battery_ok()) {
- ui->Print("battery capacity is not enough for installing package, needed is %d%%\n",
- BATTERY_OK_PERCENTAGE);
+ int required_battery_level;
+ if (retry_count == 0 && !is_battery_ok(&required_battery_level)) {
+ ui->Print("battery capacity is not enough for installing package: %d%% needed\n",
+ required_battery_level);
// Log the error code to last_install when installation skips due to
// low battery.
log_failure_code(kLowBattery, update_package);