diff options
Diffstat (limited to 'app/lwip_glue.c')
| -rw-r--r-- | app/lwip_glue.c | 323 |
1 files changed, 2 insertions, 321 deletions
diff --git a/app/lwip_glue.c b/app/lwip_glue.c index 3771c38..556fa0e 100644 --- a/app/lwip_glue.c +++ b/app/lwip_glue.c @@ -12,14 +12,6 @@ void dispatch_lwip (void) { #if 0 - /* check if any packet received */ - if (ETH_CheckFrameReceived()) - ethernetif_input (&if0); - -#endif - -#if 0 - if (link_lost()) netif_set_down (&if0); @@ -67,34 +59,16 @@ void start_lwip (void) lwip_init(); - IP4_ADDR (&ipaddr, 10, 32, 48, 98); + IP4_ADDR (&ipaddr, 10, 32, 94, 9); IP4_ADDR (&netmask, 255, 255, 255, 0); - IP4_ADDR (&gw, 10, 32, 48, 1); - - - //Set_MAC_Address(macaddress); - - /* - netif_add(struct netif *netif, struct ip_addr *ipaddr, - struct ip_addr *netmask, struct ip_addr *gw, - void *state, err_t (* init)(struct netif *netif), - err_t (* input)(struct pbuf *p, struct netif *netif)) + IP4_ADDR (&gw, 10, 32, 94, 1); - Adds your network interface to the netif_list. Allocate a struct - netif and pass a pointer to this structure as the first argument. - Give pointers to cleared ip_addr structures when using DHCP, - or fill them with sane numbers otherwise. The state pointer may be NULL. - The init function pointer must point to a initialization function for - your ethernet netif interface. The following code illustrates it's use.*/ - - - //netif_add(&if0, &ipaddr, &netmask, &gw, NULL, ðernetif_init, ðernetif_input); netif_add (&if0, &ipaddr, &netmask, &gw, NULL, steth_lwip_init , ethernet_input); /* Registers the default network interface.*/ netif_set_default (&if0); - netif_set_up (&if0); @@ -107,296 +81,3 @@ void start_lwip (void) - - - -#if 0 -/** - ****************************************************************************** - * @file netconf.c - * @author MCD Application Team - * @version V1.0.0 - * @date 11/20/2009 - * @brief Network connection configuration - ****************************************************************************** - * @copy - * - * THE PRESENT FIRMWARE WHICH IS FOR GUIDANCE ONLY AIMS AT PROVIDING CUSTOMERS - * WITH CODING INFORMATION REGARDING THEIR PRODUCTS IN ORDER FOR THEM TO SAVE - * TIME. AS A RESULT, STMICROELECTRONICS SHALL NOT BE HELD LIABLE FOR ANY - * DIRECT, INDIRECT OR CONSEQUENTIAL DAMAGES WITH RESPECT TO ANY CLAIMS ARISING - * FROM THE CONTENT OF SUCH FIRMWARE AND/OR THE USE MADE BY CUSTOMERS OF THE - * CODING INFORMATION CONTAINED HEREIN IN CONNECTION WITH THEIR PRODUCTS. - * - * <h2><center>© COPYRIGHT 2009 STMicroelectronics</center></h2> - */ - -#include "lwip/memp.h" -#include "lwip/tcp.h" -#include "lwip/udp.h" -#include "netif/etharp.h" -//include "lwip/dhcp.h" -#include "ethernetif.h" -#include <stdint.h> -#include "stm32f4x7_eth.h" -#include <string.h> -#include "netconf.h" - -struct netif netif; -uint32_t TCPTimer = 0; -uint32_t ARPTimer = 0; - -/* Ethernet Rx & Tx DMA Descriptors */ -extern ETH_DMADESCTypeDef DMARxDscrTab[ETH_RXBUFNB], DMATxDscrTab[ETH_TXBUFNB]; - -/* Ethernet Driver Receive buffers */ -extern uint8_t Rx_Buff[ETH_RXBUFNB][ETH_RX_BUF_SIZE]; - -/* Ethernet Driver Transmit buffers */ -extern uint8_t Tx_Buff[ETH_TXBUFNB][ETH_TX_BUF_SIZE]; - -/* Global pointers to track current transmit and receive descriptors */ -extern ETH_DMADESCTypeDef *DMATxDescToSet; -extern ETH_DMADESCTypeDef *DMARxDescToGet; - -/* Put ethernet related stuff in struct so it causes less namespace pollution - * and is easier to access from debugger */ -struct { - uint8_t connected_; - uint16_t lost_links_; - uint32_t last_link_up_time_; -} ethernet_state; - -void send_raw_packet() -{ - //ETH_TxPkt_ChainMode(l); -} - -/** - * @brief Initializes the lwIP stack - * @param None - * @retval None - * - * Should only be called once at start-up. Ethernet interface does not - * need to have link for this to be called. - */ -/** \brief Checks PHY's link status - * \returns true if there is a link, false if there is an error, or no link - */ -uint8_t checkEthernetLink() -{ - // PHY_BSR -- defined in stm32f4x7_eth.h - // The basic status register number for the Micrel KSZ8051MLL PHY is 0x1 - // If MDIO read times out, ETH_ReadPHYRegister returns ETH_ERROR (0) which make link look down - uint8_t has_link = (ETH_ReadPHYRegister (PHY_ADDRESS, PHY_BSR) & PHY_Linked_Status) ? 1 : 0; - return has_link; -} - -/** - * @brief Called when a frame is received - * @param None - * @retval None - */ -void LwIP_Pkt_Handle (void) -{ - /* Read a received packet from the Ethernet buffers and send it to the lwIP for handling */ - ethernetif_input (&if0); -} - -/** - * @brief LwIP periodic tasks - * @param localtime the current LocalTime value - * @retval None - */ -#ifdef USE_DHCP -/** - * @brief LwIP_DHCP_Process_Handle - * @param None - * @retval None - */ -void LwIP_DHCP_Process_Handle() -{ - struct ip_addr ipaddr; - struct ip_addr netmask; - struct ip_addr gw; - uint8_t iptab[4]; - uint8_t iptxt[20]; - - switch (DHCP_state) { - case DHCP_START: { - dhcp_start (&if0); - IPaddress = 0; - DHCP_state = DHCP_WAIT_ADDRESS; - } - break; - - case DHCP_WAIT_ADDRESS: { - /* Read the new IP address */ - IPaddress = netif.ip_addr.addr; - - if (IPaddress != 0) { - DHCP_state = DHCP_ADDRESS_ASSIGNED; - - /* Stop DHCP */ - dhcp_stop (&if0); - } else { - /* DHCP timeout */ - if (netif.dhcp->tries > MAX_DHCP_TRIES) { - DHCP_state = DHCP_TIMEOUT; - - /* Stop DHCP */ - dhcp_stop (&if0); - - /* Static address used */ - IP4_ADDR (&ipaddr, IP_ADDR0 , IP_ADDR1 , IP_ADDR2 , IP_ADDR3); - IP4_ADDR (&netmask, NETMASK_ADDR0, NETMASK_ADDR1, NETMASK_ADDR2, NETMASK_ADDR3); - IP4_ADDR (&gw, GW_ADDR0, GW_ADDR1, GW_ADDR2, GW_ADDR3); - netif_set_addr (&if0, &ipaddr , &netmask, &gw); - } - } - } - break; - - default: - break; - } -} -#endif - -/*void ETH_IRQHandler(void) -{ - while(ETH_GetRxPktSize() != 0) - { - LwIP_Pkt_Handle(); - } - - ETH_DMAClearITPendingBit(ETH_DMA_IT_R); - ETH_DMAClearITPendingBit(ETH_DMA_IT_NIS); -}*/ - -/** - * @brief Configures the Ethernet Interface - * @param None - * @retval ETH_ERROR on failure, ETH_SUCCESS on success - * - * Should be called everytime PHY gets a new link (in case link speed or duplex is differnet) - * Before being called, ethernet link should be set to "down" with netif_set_down() - * This prevents LwIP from attempt to send packets on link - */ -uint32_t Ethernet_Init (void) -{ - /* Enable SYSCFG clock */ - RCC->APB2ENR |= RCC_APB2ENR_SYSCFGEN; - - /* Enable ETHERNET clock */ - //RCC_AHBPeriphClockCmd(RCC_AHBPeriph_ETH_MAC | RCC_AHBPeriph_ETH_MAC_Tx | - // RCC_AHBPeriph_ETH_MAC_Rx, ENABLE); - //RCC->AHB1ENR |= RCC_AHB1ENR_ETHMACEN | RCC_AHB1ENR_ETHMACTXEN | RCC_AHB1ENR_ETHMACRXEN; - - ETH_InitTypeDef ETH_InitStructure; - - /* Configure MII_RMII selection bit */ - SYSCFG_ETH_MediaInterfaceConfig (SYSCFG_ETH_MediaInterface_RMII); - - /* Reset ETHERNET on AHB Bus */ - ETH_DeInit(); - - /* Software reset */ - ETH_SoftwareReset(); - //RCC->APB2ENR |= RCC_APB2ENR_SYSCFGEN; - - /* Wait for software reset */ - while (ETH_GetSoftwareResetStatus() == SET); - - RCC->AHB1ENR |= RCC_AHB1ENR_ETHMACEN | RCC_AHB1ENR_ETHMACTXEN | RCC_AHB1ENR_ETHMACRXEN; - - /* ETHERNET Configuration ------------------------------------------------------*/ - /* Call ETH_StructInit if you don't like to configure all ETH_InitStructure parameter */ - ETH_StructInit (Ð_InitStructure); - - /* Fill ETH_InitStructure parametrs */ - /*------------------------ MAC -----------------------------------*/ - ETH_InitStructure.ETH_AutoNegotiation = ETH_AutoNegotiation_Enable ; - ETH_InitStructure.ETH_LoopbackMode = ETH_LoopbackMode_Disable; - ETH_InitStructure.ETH_RetryTransmission = ETH_RetryTransmission_Disable; - ETH_InitStructure.ETH_AutomaticPadCRCStrip = ETH_AutomaticPadCRCStrip_Disable; - ETH_InitStructure.ETH_ReceiveAll = ETH_ReceiveAll_Disable; - ETH_InitStructure.ETH_BroadcastFramesReception = ETH_BroadcastFramesReception_Enable; - ETH_InitStructure.ETH_PromiscuousMode = ETH_PromiscuousMode_Disable; - ETH_InitStructure.ETH_MulticastFramesFilter = ETH_MulticastFramesFilter_Perfect; - ETH_InitStructure.ETH_UnicastFramesFilter = ETH_UnicastFramesFilter_Perfect; -#ifdef CHECKSUM_BY_HARDWARE - ETH_InitStructure.ETH_ChecksumOffload = ETH_ChecksumOffload_Enable; -#endif - - /*------------------------ DMA -----------------------------------*/ - - /* When we use the Checksum offload feature, we need to enable the Store and Forward mode: - the store and forward guarantee that a whole frame is stored in the FIFO, so the MAC can insert/verify the checksum, - if the checksum is OK the DMA can handle the frame otherwise the frame is dropped */ - ETH_InitStructure.ETH_DropTCPIPChecksumErrorFrame = ETH_DropTCPIPChecksumErrorFrame_Enable; - ETH_InitStructure.ETH_ReceiveStoreForward = ETH_ReceiveStoreForward_Enable; - ETH_InitStructure.ETH_TransmitStoreForward = ETH_TransmitStoreForward_Enable; - - ETH_InitStructure.ETH_ForwardErrorFrames = ETH_ForwardErrorFrames_Disable; - ETH_InitStructure.ETH_ForwardUndersizedGoodFrames = ETH_ForwardUndersizedGoodFrames_Disable; - ETH_InitStructure.ETH_SecondFrameOperate = ETH_SecondFrameOperate_Enable; - ETH_InitStructure.ETH_AddressAlignedBeats = ETH_AddressAlignedBeats_Enable; - ETH_InitStructure.ETH_FixedBurst = ETH_FixedBurst_Enable; - ETH_InitStructure.ETH_RxDMABurstLength = ETH_RxDMABurstLength_32Beat; - ETH_InitStructure.ETH_TxDMABurstLength = ETH_TxDMABurstLength_32Beat; - ETH_InitStructure.ETH_DMAArbitration = ETH_DMAArbitration_RoundRobin_RxTx_2_1; - - /* initialize MAC address in ethernet MAC */ - ETH_MACAddressConfig (ETH_MAC_Address0, netif.hwaddr); - - /* Configure Ethernet */ - if (ETH_Init (Ð_InitStructure, PHY_ADDRESS) == ETH_ERROR) - return ETH_ERROR; - - /* Initialize Tx Descriptors list: Chain Mode */ - ETH_DMATxDescChainInit (DMATxDscrTab, &Tx_Buff[0][0], ETH_TXBUFNB); - /* Initialize Rx Descriptors list: Chain Mode */ - ETH_DMARxDescChainInit (DMARxDscrTab, &Rx_Buff[0][0], ETH_RXBUFNB); - -#ifdef CHECKSUM_BY_HARDWARE - - /* Enable the TCP, UDP and ICMP checksum insertion for the Tx frames */ - for (int i = 0; i < ETH_TXBUFNB; i++) - ETH_DMATxDescChecksumInsertionConfig (&DMATxDscrTab[i], ETH_DMATxDesc_ChecksumTCPUDPICMPFull); - -#endif - - /* Note: TCP, UDP, ICMP checksum checking for received frame are enabled in DMA config */ - - /* Enable MAC and DMA transmission and reception */ - ETH_Start(); - - /* Enable the Ethernet Rx Interrupt */ - // ETH_DMAITConfig(ETH_DMA_IT_NIS | ETH_DMA_IT_R, ENABLE); - - // NVIC_InitTypeDef NVIC_InitStructure; - - /* MACCR has an errata where writes that occur next to each other can be ignored. - * Have MACCR writen after a delay to guarentee that the register write goes through. - */ - { - uint32_t i = 28 * 4; // delay about 4 us - - while (i-- > 0) - __asm__ ("nop"); - } - ETH_MACReceptionCmd (ENABLE); - - /* Enable the Ethernet global Interrupt - NVIC_InitStructure.NVIC_IRQChannel = ETH_IRQn; - NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 2; - NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0; - NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE; - NVIC_Init(&NVIC_InitStructure); */ - // NVIC_SetPriority(ETH_IRQn, 3); - // NVIC_EnableIRQ(ETH_IRQn); - - return ETH_SUCCESS; -} -#endif |