update dm9000a driver

git-svn-id: https://rt-thread.googlecode.com/svn/trunk@195 bbd45198-f89e-11dd-88c7-29a3b14d5316
This commit is contained in:
bernard.xiong 2009-12-10 16:04:03 +00:00
parent 729a0f4516
commit a7b56e9c45
1 changed files with 7 additions and 7 deletions

View File

@ -175,12 +175,11 @@ void rt_dm9000_isr()
/* Received the coming packet */
if (int_status & ISR_PRS)
{
rt_err_t result;
/* disable receive interrupt */
dm9000_device.imr_all = IMR_PAR | IMR_PTM;
/* a frame has been received */
result = eth_device_ready(&(dm9000_device.parent));
if (result != RT_EOK) rt_kprintf("eth notification failed\n");
RT_ASSERT(result == RT_EOK);
eth_device_ready(&(dm9000_device.parent));
}
/* Transmit Interrupt check */
@ -459,7 +458,7 @@ struct pbuf *rt_dm9000_rx(rt_device_t dev)
rt_sem_take(&sem_lock, RT_WAITING_FOREVER);
/* Check packet ready or not */
dm9000_io_read(DM9000_MRCMDX); /* Dummy read */
dm9000_io_read(DM9000_MRCMDX); /* Dummy read */
rxbyte = DM9000_inb(DM9000_DATA_BASE); /* Got most updated data */
if (rxbyte)
{
@ -560,8 +559,9 @@ struct pbuf *rt_dm9000_rx(rt_device_t dev)
}
else
{
/* restore interrupt */
// dm9000_io_write(DM9000_IMR, dm9000_device.imr_all);
/* restore receive interrupt */
dm9000_device.imr_all = IMR_PAR | IMR_PTM | IMR_PRM;
dm9000_io_write(DM9000_IMR, dm9000_device.imr_all);
}
/* unlock DM9000 device */