void ENET_Receive_IRQHandler(void) {
enet_dev_if_t *enetIfPtr = (enet_dev_if_t *)&enetDevIf[BOARD_DEBUG_ENET_INSTANCE];
if (enet_hal_get_interrupt_status(((enet_dev_if_t *)enetIfPtr)->deviceNumber, kEnetRxFrameInterrupt))
enet_mac_rx_isr(enetIfHandle);
if (enet_hal_get_interrupt_status(((enet_dev_if_t *)enetIfPtr)->deviceNumber, kEnetTxFrameInterrupt))
enet_mac_tx_isr(enetIfHandle);
if (emac_timer_fired) {
// TODO: this will have to be replaced with a proper "PHY task" that can detect changes in link status.
if (k64f_phy_state.connected == STATE_UNKNOWN) {
k64f_phy_state.connected = 1;
netif_set_link_up(k64f_enetdata.netif);
}
emac_timer_fired = 0;
sys_check_timeouts();
}
}
/*FUNCTION****************************************************************
*
* Function Name: enet_mii_read
* Return Value: The execution status.
* Description: Read function.
* This interface read data over the (R)MII bus from the specified PHY register,
* This function is called by all PHY interfaces.
*END*********************************************************************/
uint32_t enet_mii_read(uint32_t instance, uint32_t phyAddr, uint32_t phyReg, uint32_t *dataPtr)
{
uint32_t counter;
/* Check the input parameters*/
if (!dataPtr)
{
return kStatus_ENET_InvalidInput;
}
/* Check if the mii is enabled*/
if (!enet_hal_is_mii_enabled(instance))
{
return kStatus_ENET_Miiuninitialized;
}
/* Clear the MII interrupt event*/
enet_hal_clear_interrupt(instance, kEnetMiiInterrupt);
/* Read command operation*/
enet_hal_set_mii_command(instance, phyAddr, phyReg, kEnetReadValidFrame, 0);
/* Poll for MII complete*/
for (counter = 0; counter < kEnetMaxTimeout; counter++)
{
if (enet_hal_get_interrupt_status(instance, kEnetMiiInterrupt))
{
break;
}
wait_ms(1);
}
/* Check for timeout*/
if (counter == kEnetMaxTimeout)
{
return kStatus_ENET_TimeOut;
}
/* Get data from mii register*/
*dataPtr = enet_hal_get_mii_data(instance);
/* Clear MII interrupt event*/
enet_hal_clear_interrupt(instance, kEnetMiiInterrupt);
return kStatus_ENET_Success;
}
/*FUNCTION****************************************************************
*
* Function Name: enet_mii_write
* Return Value: The execution status.
* Description: Write function.
* This interface write data over the (R)MII bus to the specified PHY register.
* This function is called by all PHY interfaces.
*END*********************************************************************/
uint32_t enet_mii_write(uint32_t instance, uint32_t phyAddr, uint32_t phyReg, uint32_t data)
{
uint32_t counter;
/* Check if the mii is enabled*/
if (!enet_hal_is_mii_enabled(instance))
{
return kStatus_ENET_Miiuninitialized;
}
/* Clear the MII interrupt event*/
enet_hal_clear_interrupt(instance, kEnetMiiInterrupt);
/* Read command operation*/
enet_hal_set_mii_command(instance, phyAddr, phyReg, kEnetWriteValidFrame, data);
/* Poll for MII complete*/
for (counter = 0; counter < kEnetMaxTimeout; counter++)
{
if (enet_hal_get_interrupt_status(instance, kEnetMiiInterrupt))
{
break;
}
wait_ms(1);
}
/* Check for timeout*/
if (counter == kEnetMaxTimeout)
{
return kStatus_ENET_TimeOut;
}
/* Clear MII intrrupt event*/
enet_hal_clear_interrupt(instance, kEnetMiiInterrupt);
return kStatus_ENET_Success;
}