WiiFlow_Lite/source/devicemounter/usbthread.c
fix94.1 d7e5460f31 -added thread for IOS58 mode which reads a random sector from the
usb hdd every second if the hdd is more than 20 seconds idle to
keep it alive, it gets resetted as soon as wiiflow does some action
with it
2012-09-11 17:09:14 +00:00

74 lines
1.8 KiB
C

/****************************************************************************
* Copyright (C) 2012 FIX94
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
****************************************************************************/
#include <ogc/cache.h>
#include <ogc/lwp.h>
#include <unistd.h>
#include <stdlib.h>
#include <time.h>
#include "usbthread.h"
#include "usbstorage.h"
#include "gecko/gecko.h"
lwp_t USB_Thread = LWP_THREAD_NULL;
volatile bool CheckUSB = false;
volatile bool idle = false;
volatile time_t start = 0;
u8 sector[4096];
void *KeepUSBAlive(void *nothing)
{
int NumberSectors = USBStorage2_GetCapacity(0, NULL);
start = time(NULL);
srand(start);
while(CheckUSB)
{
if(idle || (time(NULL) - start) > 19)
{
USBStorage2_ReadSectors(0, rand() % NumberSectors, 1, sector);
idle = true;
}
sleep(1);
}
return nothing;
}
void CreateUSBKeepAliveThread()
{
CheckUSB = true;
LWP_CreateThread(&USB_Thread, KeepUSBAlive, NULL, NULL, 0, 40);
}
void KillUSBKeepAliveThread()
{
CheckUSB = false;
USBKeepAliveThreadReset();
if(USB_Thread != LWP_THREAD_NULL)
{
LWP_JoinThread(USB_Thread, NULL);
USB_Thread = LWP_THREAD_NULL;
}
}
void USBKeepAliveThreadReset()
{
while(reading)
usleep(100);
start = time(NULL);
idle = false;
}