68 lines
1.9 KiB
C++
68 lines
1.9 KiB
C++
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/*
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* Copyright (C) 2008 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include <stdlib.h>
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#include <fcntl.h>
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#include <errno.h>
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#include <string.h>
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#include <cutils/properties.h>
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#define LOG_TAG "TiwlanWifiController"
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#include <cutils/log.h>
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#include "TiwlanWifiController.h"
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#define DRIVER_PROP_NAME "wlan.driver.status"
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extern "C" int sched_yield(void);
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TiwlanWifiController::TiwlanWifiController(char *modpath, char *modname, char *modargs) :
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WifiController(modpath, modname, modargs) {
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}
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int TiwlanWifiController::powerUp() {
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return 0; // Powerup is currently done when the driver is loaded
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}
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int TiwlanWifiController::powerDown() {
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return 0; // Powerdown is currently done when the driver is unloaded
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}
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bool TiwlanWifiController::isPoweredUp() {
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return isKernelModuleLoaded(getModuleName());
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}
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int TiwlanWifiController::loadFirmware() {
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char driver_status[PROPERTY_VALUE_MAX];
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int count = 100;
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LOGD("loadFirmware()");
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property_set("ctl.start", "wlan_loader");
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sched_yield();
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// Wait for driver to be ready
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while (count-- > 0) {
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if (property_get(DRIVER_PROP_NAME, driver_status, NULL)) {
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if (strcmp(driver_status, "ok") == 0)
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return 0;
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else if (strcmp(DRIVER_PROP_NAME, "failed") == 0)
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return -1;
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}
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usleep(200000);
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}
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property_set(DRIVER_PROP_NAME, "timeout");
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return -1;
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}
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