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