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[Components][USB][ECM] fix hotplug

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This commit is contained in:
ZYH 2019-06-11 15:27:11 +08:00
parent c12d59dc02
commit 2a738e1ee2
1 changed files with 6 additions and 5 deletions
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11
components/drivers/usb/usbdevice/class/ecm.c
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@ -418,11 +418,16 @@ rt_err_t rt_ecm_eth_tx(rt_device_t dev, struct pbuf* p)
USB_ETH_MTU, p->tot_len);
p->tot_len = USB_ETH_MTU;
}
result = rt_sem_take(&ecm_eth_dev->tx_buffer_free, RT_WAITING_FOREVER);
result = rt_sem_take(&device->tx_buffer_free, rt_tick_from_millisecond(1000));
if(result != RT_EOK)
{
LOG_W("wait for buffer free timeout");
/* if cost 1s to wait send done it said that connection is close . drop it */
rt_sem_release(&device->tx_buffer_free);
return result;
}
pbuffer = (char *)&ecm_eth_dev->tx_buffer;
for (q = p; q != NULL; q = q->next)
{
@ -473,10 +478,8 @@ static rt_err_t _function_enable(ufunction_t func)
eps->ep_out->buffer = ecm_device->rx_pool;
/* reset eth rx tx */
rt_sem_release(&ecm_device->tx_buffer_free);
ecm_device->rx_size = 0;
ecm_device->rx_offset = 0;
eth_device_ready(&ecm_device->parent);
eps->ep_out->request.buffer = (void *)eps->ep_out->buffer;
eps->ep_out->request.size = EP_MAXPACKET(eps->ep_out);
@ -499,10 +502,8 @@ static rt_err_t _function_disable(ufunction_t func)
eth_device_linkchange(&((rt_ecm_eth_t)func->user_data)->parent, RT_FALSE);
/* reset eth rx tx */
rt_sem_release(&((rt_ecm_eth_t)func->user_data)->tx_buffer_free);
((rt_ecm_eth_t)func->user_data)->rx_size = 0;
((rt_ecm_eth_t)func->user_data)->rx_offset = 0;
eth_device_ready(&((rt_ecm_eth_t)func->user_data)->parent);
return RT_EOK;
}