static void k64f_phy_task(void *data) {
struct netif *netif = (struct netif*)data;
bool connection_status;
enet_dev_if_t * enetIfPtr = (enet_dev_if_t*)&enetDevIf[BOARD_DEBUG_ENET_INSTANCE];
PHY_STATE crt_state = {STATE_UNKNOWN, (enet_phy_speed_t)STATE_UNKNOWN, (enet_phy_duplex_t)STATE_UNKNOWN};
PHY_STATE prev_state;
prev_state = crt_state;
while (true) {
// Get current status
phy_get_link_status(enetIfPtr, &connection_status);
crt_state.connected = connection_status ? 1 : 0;
phy_get_link_speed(enetIfPtr, &crt_state.speed);
phy_get_link_duplex(enetIfPtr, &crt_state.duplex);
// Compare with previous state
if (crt_state.connected != prev_state.connected) {
if (crt_state.connected)
tcpip_callback_with_block((tcpip_callback_fn)netif_set_link_up, (void*) netif, 1);
else
tcpip_callback_with_block((tcpip_callback_fn)netif_set_link_down, (void*) netif, 1);
}
if (crt_state.speed != prev_state.speed)
BW_ENET_RCR_RMII_10T(enetIfPtr->deviceNumber, crt_state.speed == kEnetSpeed10M ? kEnetCfgSpeed10M : kEnetCfgSpeed100M);
// TODO: duplex change requires disable/enable of Ethernet interface, to be implemented
prev_state = crt_state;
osDelay(PHY_TASK_PERIOD_MS);
}
}
static void k64f_phy_task(void *data) {
struct netif *netif = (struct netif*)data;
bool connection_status;
enet_dev_if_t * enetIfPtr = (enet_dev_if_t*)&enetDevIf[BOARD_DEBUG_ENET_INSTANCE];
PHY_STATE crt_state = {STATE_UNKNOWN, (enet_phy_speed_t)STATE_UNKNOWN, (enet_phy_duplex_t)STATE_UNKNOWN};
PHY_STATE prev_state;
prev_state = crt_state;
// TODO: this can't be an infinite loop anymore. Events, people. Give me events. WHERE ARE MY EVENTS ?!
// TODO: maybe this should also be called from the Ethernet interrupt handler ? (probably not thouogh, since the interrupt
// handler doesn't seem to have a PHY-related source (but check this!))
// TODO: +--> what actually happens is that the requests to read/write PHY registers via the MII interface should be
// asynchronous (and their completion can generate an interrupt), so completely ignore this for now and assume
// that the Ethernet cable is always connected and the link speed never changes. Yuck.
while (true) {
// Get current status
phy_get_link_status(enetIfPtr, &connection_status);
crt_state.connected = connection_status ? 1 : 0;
phy_get_link_speed(enetIfPtr, &crt_state.speed);
phy_get_link_duplex(enetIfPtr, &crt_state.duplex);
// Compare with previous state
if (crt_state.connected != prev_state.connected) {
if (crt_state.connected)
tcpip_callback_with_block((tcpip_callback_fn)netif_set_link_up, (void*) netif, 1);
else
tcpip_callback_with_block((tcpip_callback_fn)netif_set_link_down, (void*) netif, 1);
}
if (crt_state.speed != prev_state.speed)
BW_ENET_RCR_RMII_10T(enetIfPtr->deviceNumber, crt_state.speed == kEnetSpeed10M ? kEnetCfgSpeed10M : kEnetCfgSpeed100M);
// TODO: duplex change requires disable/enable of Ethernet interface, to be implemented
prev_state = crt_state;
osDelay(PHY_TASK_PERIOD_MS);
}
}
/** \brief Low level init of the MAC and PHY.
*
* \param[in] netif Pointer to LWIP netif structure
*/
NyLPC_TBool low_level_init(const unsigned char* i_ethaddr,int i_addr_len)
{
enet_dev_if_t * enetIfPtr;
uint32_t device = BOARD_DEBUG_ENET_INSTANCE;
enet_rxbd_config_t rxbdCfg;
enet_txbd_config_t txbdCfg;
enet_phy_speed_t phy_speed;
enet_phy_duplex_t phy_duplex;
//RX/TXメモリはデバイス選択時に確保
k64f_init_eth_hardware();
/* Initialize device*/
enetIfPtr = (enet_dev_if_t *)&enetDevIf[device];
enetIfPtr->deviceNumber = device;
enetIfPtr->macCfgPtr = &g_enetMacCfg[device];
enetIfPtr->phyCfgPtr = &g_enetPhyCfg[device];
enetIfPtr->macApiPtr = &g_enetMacApi;
enetIfPtr->phyApiPtr = (void *)&g_enetPhyApi;
//macアドレスのコピー
memcpy(enetIfPtr->macCfgPtr->macAddr,(char*)i_ethaddr,i_addr_len);
//enetIfPtr->macContextPtrはgetInterface
if(ENET_MAC_CONTEXT_BUF!=NULL){
free(ENET_MAC_CONTEXT_BUF);
ENET_MAC_CONTEXT_BUF=NULL;
}
ENET_MAC_CONTEXT_BUF=calloc(1, sizeof(enet_mac_context_t));
if(ENET_MAC_CONTEXT_BUF==NULL){
return NyLPC_TBool_FALSE;//ERR_BUF;
}
enetIfPtr->macContextPtr = (enet_mac_context_t *)ENET_MAC_CONTEXT_BUF;
/* Initialize enet buffers*/
if(!k64f_rx_setup(&rxbdCfg)) {
return NyLPC_TBool_FALSE;//ERR_BUF;
}
/* Initialize enet buffers*/
if(!k64f_tx_setup(&txbdCfg)) {
return NyLPC_TBool_FALSE;//ERR_BUF;
}
/* Initialize enet module*/
if (enet_mac_init(enetIfPtr, &rxbdCfg, &txbdCfg) == kStatus_ENET_Success)
{
/* Initialize PHY*/
if (enetIfPtr->macCfgPtr->isPhyAutoDiscover) {
if (((enet_phy_api_t *)(enetIfPtr->phyApiPtr))->phy_auto_discover(enetIfPtr) != kStatus_PHY_Success)
return NyLPC_TBool_FALSE;//ERR_IF;
}
if (((enet_phy_api_t *)(enetIfPtr->phyApiPtr))->phy_init(enetIfPtr) != kStatus_PHY_Success)
return NyLPC_TBool_FALSE;//ERR_IF;
enetIfPtr->isInitialized = true;
}else{
// TODOETH: cleanup memory
return NyLPC_TBool_FALSE;//ERR_IF;
}
/* Get link information from PHY */
phy_get_link_speed(enetIfPtr, &phy_speed);
phy_get_link_duplex(enetIfPtr, &phy_duplex);
BW_ENET_RCR_RMII_10T(enetIfPtr->deviceNumber, phy_speed == kEnetSpeed10M ? kEnetCfgSpeed10M : kEnetCfgSpeed100M);
BW_ENET_TCR_FDEN(enetIfPtr->deviceNumber, phy_duplex == kEnetFullDuplex ? kEnetCfgFullDuplex : kEnetCfgHalfDuplex);
/* Enable Ethernet module*/
enet_hal_config_ethernet(device, true, true);
/* Active Receive buffer descriptor must be done after module enable*/
enet_hal_active_rxbd(enetIfPtr->deviceNumber);
enet_hal_active_txbd(enetIfPtr->deviceNumber);
return NyLPC_TBool_TRUE;//ERR_OK;
}
/** \brief Low level init of the MAC and PHY.
*
* \param[in] netif Pointer to LWIP netif structure
*/
static err_t low_level_init(struct netif *netif)
{
enet_dev_if_t * enetIfPtr;
uint32_t device = BOARD_DEBUG_ENET_INSTANCE_ADDR;
enet_rxbd_config_t rxbdCfg;
enet_txbd_config_t txbdCfg;
enet_phy_speed_t phy_speed;
enet_phy_duplex_t phy_duplex;
k64f_init_eth_hardware();
/* Initialize device*/
enetIfPtr = (enet_dev_if_t *)&enetDevIf[BOARD_DEBUG_ENET_INSTANCE];
enetIfPtr->deviceNumber = device;
enetIfPtr->macCfgPtr = &g_enetMacCfg[BOARD_DEBUG_ENET_INSTANCE];
enetIfPtr->phyCfgPtr = &g_enetPhyCfg[BOARD_DEBUG_ENET_INSTANCE];
enetIfPtr->macApiPtr = &g_enetMacApi;
enetIfPtr->phyApiPtr = (void *)&g_enetPhyApi;
memcpy(enetIfPtr->macCfgPtr->macAddr, (char*)netif->hwaddr, kEnetMacAddrLen);
/* Allocate buffer for ENET mac context*/
enetIfPtr->macContextPtr = (enet_mac_context_t *)calloc(1, sizeof(enet_mac_context_t));
if (!enetIfPtr->macContextPtr) {
return ERR_BUF;
}
/* Initialize enet buffers*/
if(k64f_rx_setup(netif, &rxbdCfg) != ERR_OK) {
return ERR_BUF;
}
/* Initialize enet buffers*/
if(k64f_tx_setup(netif, &txbdCfg) != ERR_OK) {
return ERR_BUF;
}
/* Initialize enet module*/
if (enet_mac_init(enetIfPtr, &rxbdCfg, &txbdCfg) == kStatus_ENET_Success)
{
/* Initialize PHY*/
if (enetIfPtr->macCfgPtr->isPhyAutoDiscover) {
if (((enet_phy_api_t *)(enetIfPtr->phyApiPtr))->phy_auto_discover(enetIfPtr) != kStatus_PHY_Success)
return ERR_IF;
}
if (((enet_phy_api_t *)(enetIfPtr->phyApiPtr))->phy_init(enetIfPtr) != kStatus_PHY_Success)
return ERR_IF;
enetIfPtr->isInitialized = true;
}
else
{
// TODOETH: cleanup memory
return ERR_IF;
}
/* Get link information from PHY */
phy_get_link_speed(enetIfPtr, &phy_speed);
phy_get_link_duplex(enetIfPtr, &phy_duplex);
BW_ENET_RCR_RMII_10T(enetIfPtr->deviceNumber, phy_speed == kEnetSpeed10M ? kEnetCfgSpeed10M : kEnetCfgSpeed100M);
BW_ENET_TCR_FDEN(enetIfPtr->deviceNumber, phy_duplex == kEnetFullDuplex ? kEnetCfgFullDuplex : kEnetCfgHalfDuplex);
/* Enable Ethernet module*/
enet_hal_config_ethernet(BOARD_DEBUG_ENET_INSTANCE_ADDR, true, true);
/* Active Receive buffer descriptor must be done after module enable*/
enet_hal_active_rxbd(enetIfPtr->deviceNumber);
return ERR_OK;
}