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Diffstat (limited to 'tmk_core/tool/mbed/mbed-sdk/libraries/net/eth/lwip-eth/arch/TARGET_STM/stm32f4_emac.c')
-rw-r--r--tmk_core/tool/mbed/mbed-sdk/libraries/net/eth/lwip-eth/arch/TARGET_STM/stm32f4_emac.c560
1 files changed, 0 insertions, 560 deletions
diff --git a/tmk_core/tool/mbed/mbed-sdk/libraries/net/eth/lwip-eth/arch/TARGET_STM/stm32f4_emac.c b/tmk_core/tool/mbed/mbed-sdk/libraries/net/eth/lwip-eth/arch/TARGET_STM/stm32f4_emac.c
deleted file mode 100644
index d7be37bbc8..0000000000
--- a/tmk_core/tool/mbed/mbed-sdk/libraries/net/eth/lwip-eth/arch/TARGET_STM/stm32f4_emac.c
+++ /dev/null
@@ -1,560 +0,0 @@
-
-#include "stm32f4xx_hal.h"
-#include "lwip/opt.h"
-
-#include "lwip/timers.h"
-#include "netif/etharp.h"
-#include "lwip/tcpip.h"
-#include <string.h>
-#include "cmsis_os.h"
-#include "mbed_interface.h"
-
-/** @defgroup lwipstm32f4xx_emac_DRIVER stm32f4 EMAC driver for LWIP
- * @ingroup lwip_emac
- *
- * @{
- */
-
-#define RECV_TASK_PRI (osPriorityHigh)
-#define PHY_TASK_PRI (osPriorityLow)
-#define PHY_TASK_WAIT (200)
-
-
-#if defined (__ICCARM__) /*!< IAR Compiler */
- #pragma data_alignment=4
-#endif
-__ALIGN_BEGIN ETH_DMADescTypeDef DMARxDscrTab[ETH_RXBUFNB] __ALIGN_END; /* Ethernet Rx MA Descriptor */
-
-#if defined (__ICCARM__) /*!< IAR Compiler */
- #pragma data_alignment=4
-#endif
-__ALIGN_BEGIN ETH_DMADescTypeDef DMATxDscrTab[ETH_TXBUFNB] __ALIGN_END; /* Ethernet Tx DMA Descriptor */
-
-#if defined (__ICCARM__) /*!< IAR Compiler */
- #pragma data_alignment=4
-#endif
-__ALIGN_BEGIN uint8_t Rx_Buff[ETH_RXBUFNB][ETH_RX_BUF_SIZE] __ALIGN_END; /* Ethernet Receive Buffer */
-
-#if defined (__ICCARM__) /*!< IAR Compiler */
- #pragma data_alignment=4
-#endif
-__ALIGN_BEGIN uint8_t Tx_Buff[ETH_TXBUFNB][ETH_TX_BUF_SIZE] __ALIGN_END; /* Ethernet Transmit Buffer */
-
-
-ETH_HandleTypeDef heth;
-
-static sys_sem_t rx_ready_sem; /* receive ready semaphore */
-static sys_mutex_t tx_lock_mutex;
-
-/* function */
-static void stm32f4_rx_task(void *arg);
-static void stm32f4_phy_task(void *arg);
-static err_t stm32f4_etharp_output(struct netif *netif, struct pbuf *q, ip_addr_t *ipaddr);
-static err_t stm32f4_low_level_output(struct netif *netif, struct pbuf *p);
-
-/**
- * Override HAL Eth Init function
- */
-void HAL_ETH_MspInit(ETH_HandleTypeDef* heth)
-{
- GPIO_InitTypeDef GPIO_InitStruct;
- if (heth->Instance == ETH) {
- /* Peripheral clock enable */
- __ETH_CLK_ENABLE();
-
- __GPIOA_CLK_ENABLE();
- __GPIOB_CLK_ENABLE();
- __GPIOC_CLK_ENABLE();
-
- /**ETH GPIO Configuration
- PC1 ------> ETH_MDC
- PA1 ------> ETH_REF_CLK
- PA2 ------> ETH_MDIO
- PA7 ------> ETH_CRS_DV
- PC4 ------> ETH_RXD0
- PC5 ------> ETH_RXD1
- PB11 ------> ETH_TX_EN
- PB12 ------> ETH_TXD0
- PB13 ------> ETH_TXD1
- */
- GPIO_InitStruct.Pin = GPIO_PIN_1 | GPIO_PIN_4 | GPIO_PIN_5;
- GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
- GPIO_InitStruct.Pull = GPIO_NOPULL;
- GPIO_InitStruct.Speed = GPIO_SPEED_HIGH;
- GPIO_InitStruct.Alternate = GPIO_AF11_ETH;
- HAL_GPIO_Init(GPIOC, &GPIO_InitStruct);
-
- GPIO_InitStruct.Pin = GPIO_PIN_1 | GPIO_PIN_2 | GPIO_PIN_7;
- GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
- GPIO_InitStruct.Pull = GPIO_NOPULL;
- GPIO_InitStruct.Speed = GPIO_SPEED_HIGH;
- GPIO_InitStruct.Alternate = GPIO_AF11_ETH;
- HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
-
- GPIO_InitStruct.Pin = GPIO_PIN_11 | GPIO_PIN_12 | GPIO_PIN_13;
- GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
- GPIO_InitStruct.Pull = GPIO_NOPULL;
- GPIO_InitStruct.Speed = GPIO_SPEED_HIGH;
- GPIO_InitStruct.Alternate = GPIO_AF11_ETH;
- HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);
-
- /* Peripheral interrupt init*/
- /* Sets the priority grouping field */
- HAL_NVIC_SetPriorityGrouping(NVIC_PRIORITYGROUP_4);
- HAL_NVIC_SetPriority(ETH_IRQn, 0, 0);
- HAL_NVIC_EnableIRQ(ETH_IRQn);
- }
-}
-
-/**
- * Override HAL Eth DeInit function
- */
-void HAL_ETH_MspDeInit(ETH_HandleTypeDef* heth)
-{
- if (heth->Instance == ETH) {
- /* Peripheral clock disable */
- __ETH_CLK_DISABLE();
-
- /**ETH GPIO Configuration
- PC1 ------> ETH_MDC
- PA1 ------> ETH_REF_CLK
- PA2 ------> ETH_MDIO
- PA7 ------> ETH_CRS_DV
- PC4 ------> ETH_RXD0
- PC5 ------> ETH_RXD1
- PB11 ------> ETH_TX_EN
- PB12 ------> ETH_TXD0
- PB13 ------> ETH_TXD1
- */
- HAL_GPIO_DeInit(GPIOC, GPIO_PIN_1 | GPIO_PIN_4 | GPIO_PIN_5);
-
- HAL_GPIO_DeInit(GPIOA, GPIO_PIN_1 | GPIO_PIN_2 | GPIO_PIN_7);
-
- HAL_GPIO_DeInit(GPIOB, GPIO_PIN_11 | GPIO_PIN_12 | GPIO_PIN_13);
-
- /* Peripheral interrupt Deinit*/
- HAL_NVIC_DisableIRQ(ETH_IRQn);
- }
-}
-
-/**
- * Ethernet Rx Transfer completed callback
- *
- * @param heth: ETH handle
- * @retval None
- */
-void HAL_ETH_RxCpltCallback(ETH_HandleTypeDef *heth)
-{
-
- sys_sem_signal(&rx_ready_sem);
-}
-
-
-/**
- * Ethernet IRQ Handler
- *
- * @param None
- * @retval None
- */
-void ETH_IRQHandler(void)
-{
- HAL_ETH_IRQHandler(&heth);
-}
-
-
-
-/**
- * In this function, the hardware should be initialized.
- * Called from eth_arch_enetif_init().
- *
- * @param netif the already initialized lwip network interface structure
- * for this ethernetif
- */
-static void stm32f4_low_level_init(struct netif *netif)
-{
- uint32_t regvalue = 0;
- HAL_StatusTypeDef hal_eth_init_status;
-
- /* Init ETH */
- uint8_t MACAddr[6];
- heth.Instance = ETH;
- heth.Init.AutoNegotiation = ETH_AUTONEGOTIATION_ENABLE;
- heth.Init.Speed = ETH_SPEED_10M;
- heth.Init.DuplexMode = ETH_MODE_FULLDUPLEX;
- heth.Init.PhyAddress = 1;
-#if (MBED_MAC_ADDRESS_SUM != MBED_MAC_ADDR_INTERFACE)
- MACAddr[0] = MBED_MAC_ADDR_0;
- MACAddr[1] = MBED_MAC_ADDR_1;
- MACAddr[2] = MBED_MAC_ADDR_2;
- MACAddr[3] = MBED_MAC_ADDR_3;
- MACAddr[4] = MBED_MAC_ADDR_4;
- MACAddr[5] = MBED_MAC_ADDR_5;
-#else
- mbed_mac_address((char *)MACAddr);
-#endif
- heth.Init.MACAddr = &MACAddr[0];
- heth.Init.RxMode = ETH_RXINTERRUPT_MODE;
- heth.Init.ChecksumMode = ETH_CHECKSUM_BY_HARDWARE;
- heth.Init.MediaInterface = ETH_MEDIA_INTERFACE_RMII;
- hal_eth_init_status = HAL_ETH_Init(&heth);
-
- if (hal_eth_init_status == HAL_OK) {
- /* Set netif link flag */
- netif->flags |= NETIF_FLAG_LINK_UP;
- }
-
- /* Initialize Tx Descriptors list: Chain Mode */
- HAL_ETH_DMATxDescListInit(&heth, DMATxDscrTab, &Tx_Buff[0][0], ETH_TXBUFNB);
-
- /* Initialize Rx Descriptors list: Chain Mode */
- HAL_ETH_DMARxDescListInit(&heth, DMARxDscrTab, &Rx_Buff[0][0], ETH_RXBUFNB);
-
- #if LWIP_ARP || LWIP_ETHERNET
- /* set MAC hardware address length */
- netif->hwaddr_len = ETHARP_HWADDR_LEN;
-
- /* set MAC hardware address */
- netif->hwaddr[0] = heth.Init.MACAddr[0];
- netif->hwaddr[1] = heth.Init.MACAddr[1];
- netif->hwaddr[2] = heth.Init.MACAddr[2];
- netif->hwaddr[3] = heth.Init.MACAddr[3];
- netif->hwaddr[4] = heth.Init.MACAddr[4];
- netif->hwaddr[5] = heth.Init.MACAddr[5];
-
- /* maximum transfer unit */
- netif->mtu = 1500;
-
- /* device capabilities */
- /* don't set NETIF_FLAG_ETHARP if this device is not an ethernet one */
- netif->flags |= NETIF_FLAG_BROADCAST | NETIF_FLAG_ETHARP;
-
- /* Enable MAC and DMA transmission and reception */
- HAL_ETH_Start(&heth);
-
- /**** Configure PHY to generate an interrupt when Eth Link state changes ****/
- /* Read Register Configuration */
- HAL_ETH_ReadPHYRegister(&heth, PHY_MICR, &regvalue);
-
- regvalue |= (PHY_MICR_INT_EN | PHY_MICR_INT_OE);
-
- /* Enable Interrupts */
- HAL_ETH_WritePHYRegister(&heth, PHY_MICR, regvalue);
-
- /* Read Register Configuration */
- HAL_ETH_ReadPHYRegister(&heth, PHY_MISR, &regvalue);
-
- regvalue |= PHY_MISR_LINK_INT_EN;
-
- /* Enable Interrupt on change of link status */
- HAL_ETH_WritePHYRegister(&heth, PHY_MISR, regvalue);
-#endif
-}
-
-/**
- * This function should do the actual transmission of the packet. The packet is
- * contained in the pbuf that is passed to the function. This pbuf
- * might be chained.
- *
- * @param netif the lwip network interface structure for this ethernetif
- * @param p the MAC packet to send (e.g. IP packet including MAC addresses and type)
- * @return ERR_OK if the packet could be sent
- * an err_t value if the packet couldn't be sent
- *
- * @note Returning ERR_MEM here if a DMA queue of your MAC is full can lead to
- * strange results. You might consider waiting for space in the DMA queue
- * to become availale since the stack doesn't retry to send a packet
- * dropped because of memory failure (except for the TCP timers).
- */
-
-static err_t stm32f4_low_level_output(struct netif *netif, struct pbuf *p)
-{
- err_t errval;
- struct pbuf *q;
- uint8_t *buffer = (uint8_t*)(heth.TxDesc->Buffer1Addr);
- __IO ETH_DMADescTypeDef *DmaTxDesc;
- uint32_t framelength = 0;
- uint32_t bufferoffset = 0;
- uint32_t byteslefttocopy = 0;
- uint32_t payloadoffset = 0;
- DmaTxDesc = heth.TxDesc;
- bufferoffset = 0;
-
-
- sys_mutex_lock(&tx_lock_mutex);
-
- /* copy frame from pbufs to driver buffers */
- for (q = p; q != NULL; q = q->next) {
- /* Is this buffer available? If not, goto error */
- if ((DmaTxDesc->Status & ETH_DMATXDESC_OWN) != (uint32_t)RESET) {
- errval = ERR_USE;
- goto error;
- }
-
- /* Get bytes in current lwIP buffer */
- byteslefttocopy = q->len;
- payloadoffset = 0;
-
- /* Check if the length of data to copy is bigger than Tx buffer size*/
- while ((byteslefttocopy + bufferoffset) > ETH_TX_BUF_SIZE) {
- /* Copy data to Tx buffer*/
- memcpy((uint8_t*)((uint8_t*)buffer + bufferoffset), (uint8_t*)((uint8_t*)q->payload + payloadoffset), (ETH_TX_BUF_SIZE - bufferoffset));
-
- /* Point to next descriptor */
- DmaTxDesc = (ETH_DMADescTypeDef*)(DmaTxDesc->Buffer2NextDescAddr);
-
- /* Check if the buffer is available */
- if ((DmaTxDesc->Status & ETH_DMATXDESC_OWN) != (uint32_t)RESET) {
- errval = ERR_USE;
- goto error;
- }
-
- buffer = (uint8_t*)(DmaTxDesc->Buffer1Addr);
-
- byteslefttocopy = byteslefttocopy - (ETH_TX_BUF_SIZE - bufferoffset);
- payloadoffset = payloadoffset + (ETH_TX_BUF_SIZE - bufferoffset);
- framelength = framelength + (ETH_TX_BUF_SIZE - bufferoffset);
- bufferoffset = 0;
- }
-
- /* Copy the remaining bytes */
- memcpy((uint8_t*)((uint8_t*)buffer + bufferoffset), (uint8_t*)((uint8_t*)q->payload + payloadoffset), byteslefttocopy);
- bufferoffset = bufferoffset + byteslefttocopy;
- framelength = framelength + byteslefttocopy;
- }
-
- /* Prepare transmit descriptors to give to DMA */
- HAL_ETH_TransmitFrame(&heth, framelength);
-
- errval = ERR_OK;
-
-error:
-
- /* When Transmit Underflow flag is set, clear it and issue a Transmit Poll Demand to resume transmission */
- if ((heth.Instance->DMASR & ETH_DMASR_TUS) != (uint32_t)RESET) {
- /* Clear TUS ETHERNET DMA flag */
- heth.Instance->DMASR = ETH_DMASR_TUS;
-
- /* Resume DMA transmission*/
- heth.Instance->DMATPDR = 0;
- }
-
- sys_mutex_unlock(&tx_lock_mutex);
-
- return errval;
-}
-
-
-/**
- * Should allocate a pbuf and transfer the bytes of the incoming
- * packet from the interface into the pbuf.
- *
- * @param netif the lwip network interface structure for this ethernetif
- * @return a pbuf filled with the received packet (including MAC header)
- * NULL on memory error
- */
-static struct pbuf * stm32f4_low_level_input(struct netif *netif)
-{
- struct pbuf *p = NULL;
- struct pbuf *q;
- uint16_t len = 0;
- uint8_t *buffer;
- __IO ETH_DMADescTypeDef *dmarxdesc;
- uint32_t bufferoffset = 0;
- uint32_t payloadoffset = 0;
- uint32_t byteslefttocopy = 0;
- uint32_t i = 0;
-
-
- /* get received frame */
- if (HAL_ETH_GetReceivedFrame(&heth) != HAL_OK)
- return NULL;
-
- /* Obtain the size of the packet and put it into the "len" variable. */
- len = heth.RxFrameInfos.length;
- buffer = (uint8_t*)heth.RxFrameInfos.buffer;
-
- if (len > 0) {
- /* We allocate a pbuf chain of pbufs from the Lwip buffer pool */
- p = pbuf_alloc(PBUF_RAW, len, PBUF_POOL);
- }
-
- if (p != NULL) {
- dmarxdesc = heth.RxFrameInfos.FSRxDesc;
- bufferoffset = 0;
- for (q = p; q != NULL; q = q->next) {
- byteslefttocopy = q->len;
- payloadoffset = 0;
-
- /* Check if the length of bytes to copy in current pbuf is bigger than Rx buffer size*/
- while ((byteslefttocopy + bufferoffset) > ETH_RX_BUF_SIZE) {
- /* Copy data to pbuf */
- memcpy((uint8_t*)((uint8_t*)q->payload + payloadoffset), (uint8_t*)((uint8_t*)buffer + bufferoffset), (ETH_RX_BUF_SIZE - bufferoffset));
-
- /* Point to next descriptor */
- dmarxdesc = (ETH_DMADescTypeDef*)(dmarxdesc->Buffer2NextDescAddr);
- buffer = (uint8_t*)(dmarxdesc->Buffer1Addr);
-
- byteslefttocopy = byteslefttocopy - (ETH_RX_BUF_SIZE - bufferoffset);
- payloadoffset = payloadoffset + (ETH_RX_BUF_SIZE - bufferoffset);
- bufferoffset = 0;
- }
- /* Copy remaining data in pbuf */
- memcpy((uint8_t*)((uint8_t*)q->payload + payloadoffset), (uint8_t*)((uint8_t*)buffer + bufferoffset), byteslefttocopy);
- bufferoffset = bufferoffset + byteslefttocopy;
- }
-
- /* Release descriptors to DMA */
- /* Point to first descriptor */
- dmarxdesc = heth.RxFrameInfos.FSRxDesc;
- /* Set Own bit in Rx descriptors: gives the buffers back to DMA */
- for (i = 0; i < heth.RxFrameInfos.SegCount; i++) {
- dmarxdesc->Status |= ETH_DMARXDESC_OWN;
- dmarxdesc = (ETH_DMADescTypeDef*)(dmarxdesc->Buffer2NextDescAddr);
- }
-
- /* Clear Segment_Count */
- heth.RxFrameInfos.SegCount = 0;
- }
-
- /* When Rx Buffer unavailable flag is set: clear it and resume reception */
- if ((heth.Instance->DMASR & ETH_DMASR_RBUS) != (uint32_t)RESET) {
- /* Clear RBUS ETHERNET DMA flag */
- heth.Instance->DMASR = ETH_DMASR_RBUS;
- /* Resume DMA reception */
- heth.Instance->DMARPDR = 0;
- }
- return p;
-}
-
-/**
- * This task receives input data
- *
- * \param[in] netif the lwip network interface structure
- */
-static void stm32f4_rx_task(void *arg)
-{
- struct netif *netif = (struct netif*)arg;
- struct pbuf *p;
-
- while (1) {
- sys_arch_sem_wait(&rx_ready_sem, 0);
- p = stm32f4_low_level_input(netif);
- if (p != NULL) {
- if (netif->input(p, netif) != ERR_OK) {
- pbuf_free(p);
- p = NULL;
- }
- }
- }
-}
-
-/**
- * This task checks phy link status and updates net status
- *
- * \param[in] netif the lwip network interface structure
- */
-static void stm32f4_phy_task(void *arg)
-{
- struct netif *netif = (struct netif*)arg;
- uint32_t phy_status = 0;
-
- while (1) {
- uint32_t status;
- if (HAL_ETH_ReadPHYRegister(&heth, PHY_SR, &status) == HAL_OK) {
- if ((status & PHY_LINK_STATUS) && !(phy_status & PHY_LINK_STATUS)) {
- tcpip_callback_with_block((tcpip_callback_fn)netif_set_link_up, (void*) netif, 1);
- } else if (!(status & PHY_LINK_STATUS) && (phy_status & PHY_LINK_STATUS)) {
- tcpip_callback_with_block((tcpip_callback_fn)netif_set_link_down, (void*) netif, 1);
- }
-
- phy_status = status;
- }
-
- osDelay(PHY_TASK_WAIT);
- }
-}
-
-/**
- * This function is the ethernet packet send function. It calls
- * etharp_output after checking link status.
- *
- * \param[in] netif the lwip network interface structure for this lpc_enetif
- * \param[in] q Pointer to pbug to send
- * \param[in] ipaddr IP address
- * \return ERR_OK or error code
- */
-static err_t stm32f4_etharp_output(struct netif *netif, struct pbuf *q, ip_addr_t *ipaddr)
-{
- /* Only send packet is link is up */
- if (netif->flags & NETIF_FLAG_LINK_UP) {
- return etharp_output(netif, q, ipaddr);
- }
-
- return ERR_CONN;
-}
-
-/**
- * Should be called at the beginning of the program to set up the
- * network interface.
- *
- * This function should be passed as a parameter to netif_add().
- *
- * @param[in] netif the lwip network interface structure for this lpc_enetif
- * @return ERR_OK if the loopif is initialized
- * ERR_MEM if private data couldn't be allocated
- * any other err_t on error
- */
-err_t eth_arch_enetif_init(struct netif *netif)
-{
- /* set MAC hardware address */
- netif->hwaddr_len = ETHARP_HWADDR_LEN;
-
- /* maximum transfer unit */
- netif->mtu = 1500;
-
- /* device capabilities */
- netif->flags = NETIF_FLAG_BROADCAST | NETIF_FLAG_ETHARP | NETIF_FLAG_ETHERNET | NETIF_FLAG_IGMP;
-
-#if LWIP_NETIF_HOSTNAME
- /* Initialize interface hostname */
- netif->hostname = "lwipstm32f4";
-#endif /* LWIP_NETIF_HOSTNAME */
-
- netif->name[0] = 'e';
- netif->name[1] = 'n';
-
- netif->output = stm32f4_etharp_output;
- netif->linkoutput = stm32f4_low_level_output;
-
- /* semaphore */
- sys_sem_new(&rx_ready_sem, 0);
-
- sys_mutex_new(&tx_lock_mutex);
-
- /* task */
- sys_thread_new("stm32f4_recv_task", stm32f4_rx_task, netif, DEFAULT_THREAD_STACKSIZE, RECV_TASK_PRI);
- sys_thread_new("stm32f4_phy_task", stm32f4_phy_task, netif, DEFAULT_THREAD_STACKSIZE, PHY_TASK_PRI);
-
- /* initialize the hardware */
- stm32f4_low_level_init(netif);
-
- return ERR_OK;
-}
-
-void eth_arch_enable_interrupts(void)
-{
- HAL_NVIC_SetPriorityGrouping(NVIC_PRIORITYGROUP_4);
- HAL_NVIC_SetPriority(ETH_IRQn, 0, 0);
- HAL_NVIC_EnableIRQ(ETH_IRQn);
-}
-
-void eth_arch_disable_interrupts(void)
-{
- NVIC_DisableIRQ(ETH_IRQn);
-}
-
-/**
- * @}
- */
-
-/* --------------------------------- End Of File ------------------------------ */