healthimpl.cpp

/*
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#define LOG_TAG "android.hardware.health@2.1-service.qti"

#include <android-base/logging.h>
#include <health/utils.h>
#include <health2impl/Health.h>
#include <log/log.h>

using ::android::hardware::health::InitHealthdConfig;
using ::android::hardware::health::V2_1::IHealth;
using namespace std::literals;

namespace {

constexpr char ucsiPSYName[]{"ucsi-source-psy-soc:qcom,pmic_glink:qcom,ucsi1"};

void qti_healthd_board_init(struct healthd_config *hc)
{
    int fd;
    unsigned char retries = 75;
    int ret = 0;
    unsigned char buf;

    hc->ignorePowerSupplyNames.push_back(android::String8(ucsiPSYName));
retry:
    if (!retries) {
        ALOGE("Cannot open battery/capacity, fd=%d\n", fd);
        return;
    }

    fd = open("/sys/class/power_supply/battery/capacity", 0440);
    if (fd >= 0) {
        ALOGI("opened battery/capacity after %d retries\n", 75 - retries);
        while (retries) {
            ret = read(fd, &buf, 1);
            if(ret >= 0) {
                ALOGI("Read Batt Capacity after %d retries ret : %d\n", 75 - retries, ret);
                close(fd);
                return;
            }

            retries--;
            usleep(100000);
        }

        ALOGE("Failed to read Battery Capacity ret=%d\n", ret);
        close(fd);
        return;
    }

    retries--;
    usleep(100000);
    goto retry;
}
} //anonymous namespace

namespace android {
namespace hardware {
namespace health {
namespace V2_1 {
namespace implementation {

class HealthImpl : public Health {
 public:
  HealthImpl(std::unique_ptr<healthd_config>&& config)
    : Health(std::move(config)) {}
};

}  // namespace implementation
}  // namespace V2_1
}  // namespace health
}  // namespace hardware
}  // namespace android


extern "C" IHealth* HIDL_FETCH_IHealth(const char* instance) {
    using ::android::hardware::health::V2_1::implementation::HealthImpl;
    if (instance != "default"sv) {
        return nullptr;
    }
    auto config = std::make_unique<healthd_config>();
    InitHealthdConfig(config.get());
    qti_healthd_board_init(config.get());

    return new HealthImpl(std::move(config));
}