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

View File

@ -175,12 +175,11 @@ void rt_dm9000_isr()
/* Received the coming packet */ /* Received the coming packet */
if (int_status & ISR_PRS) 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 */ /* a frame has been received */
result = eth_device_ready(&(dm9000_device.parent)); eth_device_ready(&(dm9000_device.parent));
if (result != RT_EOK) rt_kprintf("eth notification failed\n");
RT_ASSERT(result == RT_EOK);
} }
/* Transmit Interrupt check */ /* Transmit Interrupt check */
@ -560,8 +559,9 @@ struct pbuf *rt_dm9000_rx(rt_device_t dev)
} }
else else
{ {
/* restore interrupt */ /* restore receive interrupt */
// dm9000_io_write(DM9000_IMR, dm9000_device.imr_all); dm9000_device.imr_all = IMR_PAR | IMR_PTM | IMR_PRM;
dm9000_io_write(DM9000_IMR, dm9000_device.imr_all);
} }
/* unlock DM9000 device */ /* unlock DM9000 device */