mirror of
https://github.com/pvvx/RTL00_WEB.git
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63 lines
1.6 KiB
C
63 lines
1.6 KiB
C
/*
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* Routines to access hardware
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*
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* Copyright (c) 2013 Realtek Semiconductor Corp.
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*
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*/
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#include "osdep_service.h"
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#include "device_lock.h"
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//------------------------------------------------------
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#define DEVICE_MUTEX_IS_INIT(device) (mutex_init & (1<<device))
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#define DEVICE_MUTEX_SET_INIT(device) (mutex_init |= (1<<device))
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#define DEVICE_MUTEX_CLR_INIT(device) (mutex_init &= (~(1<<device)))
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static u32 mutex_init = 0;
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static _mutex device_mutex[RT_DEV_LOCK_MAX];
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//======================================================
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static void device_mutex_init(RT_DEV_LOCK_E device)
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{
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if(!DEVICE_MUTEX_IS_INIT(device)){
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_lock lock;
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_irqL irqL;
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rtw_enter_critical(&lock, &irqL);
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if(!DEVICE_MUTEX_IS_INIT(device)){
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rtw_mutex_init(&device_mutex[device]);
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DEVICE_MUTEX_SET_INIT(device);
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}
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rtw_exit_critical(&lock, &irqL);
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}
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}
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//======================================================
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/*
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static void device_mutex_free(RT_DEV_LOCK_E device)
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{
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if(DEVICE_MUTEX_IS_INIT(device)){
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_lock lock;
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_irqL irqL;
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rtw_enter_critical(&lock, &irqL);
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if(!DEVICE_MUTEX_IS_INIT(device)){
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rtw_mutex_free(&device_mutex[device]);
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DEVICE_MUTEX_CLR_INIT(device);
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}
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rtw_exit_critical(&lock, &irqL);
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}
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}
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*/
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//======================================================
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void device_mutex_lock(RT_DEV_LOCK_E device)
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{
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device_mutex_init(device);
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while(rtw_mutex_get_timeout(&device_mutex[device], 10000)<0)
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printf("device lock timeout: %d\n", device);
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}
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//======================================================
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void device_mutex_unlock(RT_DEV_LOCK_E device)
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{
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device_mutex_init(device);
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rtw_mutex_put(&device_mutex[device]);
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}
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