/* interrupt service routine */
void ETH_IRQHandler(void)
{
rt_uint32_t status;
status = ETH->DMASR;
/* Frame received */
if ( ETH_GetDMAFlagStatus(ETH_DMA_FLAG_R) == SET)
{
rt_err_t result;
//rt_kprintf("Frame comming\n");
/* Clear the interrupt flags. */
/* Clear the Eth DMA Rx IT pending bits */
ETH_DMAClearITPendingBit(ETH_DMA_IT_R);
/* a frame has been received */
result = eth_device_ready(&(stm32_eth_device.parent));
if( result != RT_EOK ) rt_kprintf("RX err =%d\n", result );
//RT_ASSERT(result == RT_EOK);
}
if (ETH_GetDMAITStatus(ETH_DMA_IT_T) == SET) /* packet transmission */
{
ETH_DMAClearITPendingBit(ETH_DMA_IT_T);
}
ETH_DMAClearITPendingBit(ETH_DMA_IT_NIS);
//
}
//以太网中断服务函数
void ETH_IRQHandler(void)
{
while(ETH_GetRxPktSize(DMARxDescToGet)!=0) //检测是否收到数据包
{
LwIP_Pkt_Handle();
}
ETH_DMAClearITPendingBit(ETH_DMA_IT_R);
ETH_DMAClearITPendingBit(ETH_DMA_IT_NIS);
}
/**
* @brief This function handles ETH interrupt request.
* @param None
* @retval None
*/
void ETH_IRQHandler(void)
{
/* Handles all the received frames */
while(ETH_GetRxPktSize(DMARxDescToGet) != 0)
{
LwIP_Pkt_Handle();
}
/* Clear the Eth DMA Rx IT pending bits */
ETH_DMAClearITPendingBit(ETH_DMA_IT_R);
ETH_DMAClearITPendingBit(ETH_DMA_IT_NIS);
}
/**
* @brief This function handles ethernet DMA interrupt request.
* @param None
* @retval None
*/
void ETH_IRQHandler(void)
{
portBASE_TYPE xHigherPriorityTaskWoken = pdFALSE;
/* Frame received */
if ( ETH_GetDMAFlagStatus(ETH_DMA_FLAG_R) == SET) {
/* Give the semaphore to wakeup LwIP task */
xSemaphoreGiveFromISR( s_xSemaphore, &xHigherPriorityTaskWoken );
}
/* Clear the interrupt flags. */
/* Clear the Eth DMA Rx IT pending bits */
ETH_DMAClearITPendingBit(ETH_DMA_IT_R);
ETH_DMAClearITPendingBit(ETH_DMA_IT_NIS);
/* Switch tasks if necessary. */
if ( xHigherPriorityTaskWoken != pdFALSE ) {
portEND_SWITCHING_ISR( xHigherPriorityTaskWoken );
}
}
/* Eth Isr routine */
static void Eth_Isr(void)
{
uint32_t res = 0;
while((ETH_GetRxPktSize() != 0) && (res == 0))
{
/* move received packet into a new pbuf */
struct pbuf *p = low_level_input(&netif);
if(p!=NULL){
tcpip_input(p, &netif);
}else{
res = 1;
}
}
/* Clear the Eth DMA Rx IT pending bits */
ETH_DMAClearITPendingBit(ETH_DMA_IT_R);
ETH_DMAClearITPendingBit(ETH_DMA_IT_NIS);
ETH_DMAClearITPendingBit(ETH_DMA_IT_RO);
ETH_DMAClearITPendingBit(ETH_DMA_IT_RBU);
}
void ETH_IRQ_Handler(void)
{
portBASE_TYPE xHigherPriorityTaskWoken = pdFALSE;
if( ETH_GetDMAFlagStatus(ETH_DMA_FLAG_AIS) == SET) {
vTracePrintF(xTraceOpenLabel("ETH IRQ"), "AIS received");
ETH_DMAClearITPendingBit(ETH_DMA_IT_AIS);
if(ETH_GetDMAFlagStatus(ETH_DMA_IT_RBU) == SET) {
vTracePrintF(xTraceOpenLabel("ETH IRQ"), "RBU received");
ETH_DMAClearITPendingBit(ETH_DMA_IT_RBU);
}
if(ETH_GetDMAFlagStatus(ETH_DMA_IT_RPS) == SET) {
vTracePrintF(xTraceOpenLabel("ETH IRQ"), "RPS received");
ETH_DMAClearITPendingBit(ETH_DMA_IT_RPS);
}
if(ETH_GetDMAFlagStatus(ETH_DMA_IT_RO) == SET) {
vTracePrintF(xTraceOpenLabel("ETH IRQ"), "RO received");
ETH_DMAClearITPendingBit(ETH_DMA_IT_RO);
}
if(ETH_GetDMAFlagStatus(ETH_DMA_IT_FBE) == SET) {
vTracePrintF(xTraceOpenLabel("ETH IRQ"), "FBE received");
ETH_DMAClearITPendingBit(ETH_DMA_IT_FBE);
}
}
if( ETH_GetDMAFlagStatus(ETH_DMA_FLAG_NIS) == SET) {
/* Frame received */
if ( ETH_GetDMAFlagStatus(ETH_DMA_FLAG_R) == SET)
{
//vTracePrintF(xTraceOpenLabel("ETH IRQ"), "R received");
/* Give the semaphore to wakeup LwIP task (ethernetif_input)*/
xSemaphoreGiveFromISR( s_xSemaphore, &xHigherPriorityTaskWoken );
/* Clear the interrupt flags. */
/* Clear the Eth DMA Rx IT pending bits */
ETH_DMAClearITPendingBit(ETH_DMA_IT_R);
ETH_DMAClearITPendingBit(ETH_DMA_IT_NIS);
}
}
/* Switch tasks if necessary. */
if( xHigherPriorityTaskWoken != pdFALSE )
{
portEND_SWITCHING_ISR( xHigherPriorityTaskWoken );
}
}
