Data Viz Button Code
Fork of lwip-eth by
Revision 1:0c9d93e2f51c, committed 2012-06-22
- Comitter:
- emilmont
- Date:
- Fri Jun 22 11:17:21 2012 +0000
- Parent:
- 0:f4db29eb9e47
- Child:
- 2:5208926bd863
- Commit message:
- Adapt NXP lwip Ethernet driver to CMSIS-RTOS and LPC1768
Changed in this revision
--- a/arch/lpc17_emac.c Fri Jun 22 09:32:29 2012 +0000 +++ b/arch/lpc17_emac.c Fri Jun 22 11:17:21 2012 +0000 @@ -1,44 +1,47 @@ -/********************************************************************** -* $Id$ lpc17_emac.c 2011-11-20 -*//** -* @file lpc17_emac.c -* @brief LPC17 ethernet driver for LWIP -* @version 1.0 -* @date 20. Nov. 2011 -* @author NXP MCU SW Application Team -* -* Copyright(C) 2011, NXP Semiconductor -* All rights reserved. -* -*********************************************************************** -* Software that is described herein is for illustrative purposes only -* which provides customers with programming information regarding the -* products. This software is supplied "AS IS" without any warranties. -* NXP Semiconductors assumes no responsibility or liability for the -* use of the software, conveys no license or title under any patent, -* copyright, or mask work right to the product. NXP Semiconductors -* reserves the right to make changes in the software without -* notification. NXP Semiconductors also make no representation or -* warranty that such application will be suitable for the specified -* use without further testing or modification. +/********************************************************************** +* $Id$ lpc17_emac.c 2011-11-20 +*//** +* @file lpc17_emac.c +* @brief LPC17 ethernet driver for LWIP +* @version 1.0 +* @date 20. Nov. 2011 +* @author NXP MCU SW Application Team +* +* Copyright(C) 2011, NXP Semiconductor +* All rights reserved. +* +*********************************************************************** +* Software that is described herein is for illustrative purposes only +* which provides customers with programming information regarding the +* products. This software is supplied "AS IS" without any warranties. +* NXP Semiconductors assumes no responsibility or liability for the +* use of the software, conveys no license or title under any patent, +* copyright, or mask work right to the product. NXP Semiconductors +* reserves the right to make changes in the software without +* notification. NXP Semiconductors also make no representation or +* warranty that such application will be suitable for the specified +* use without further testing or modification. **********************************************************************/ -#include "lwip/opt.h" -#include "lwip/sys.h" -#include "lwip/def.h" -#include "lwip/mem.h" -#include "lwip/pbuf.h" -#include "lwip/stats.h" -#include "lwip/snmp.h" -#include "netif/etharp.h" +#include "lwip/opt.h" +#include "lwip/sys.h" +#include "lwip/def.h" +#include "lwip/mem.h" +#include "lwip/pbuf.h" +#include "lwip/stats.h" +#include "lwip/snmp.h" +#include "netif/etharp.h" #include "netif/ppp_oe.h" -#include "lpc177x_8x_emac.h" -#include "lpc177x_8x_clkpwr.h" +#include "lpc17xx_emac.h" #include "lpc17_emac.h" #include "lpc_emac_config.h" #include "lpc_phy.h" - +#include "sys_arch.h" + +#include "mbed_interface.h" +#include <string.h> + #ifndef LPC_EMAC_RMII #error LPC_EMAC_RMII is not defined! #endif @@ -50,92 +53,92 @@ #if LPC_NUM_BUFF_RXDESCS < 3 #error LPC_NUM_BUFF_RXDESCS must be at least 3 #endif - -/** @defgroup lwip17xx_emac_DRIVER lpc17 EMAC driver for LWIP - * @ingroup lwip_emac - * - * @{ + +/** @defgroup lwip17xx_emac_DRIVER lpc17 EMAC driver for LWIP + * @ingroup lwip_emac + * + * @{ */ - -#if NO_SYS == 0 -/** \brief Driver transmit and receive thread priorities - * + +#if NO_SYS == 0 +/** \brief Driver transmit and receive thread priorities + * * Thread priorities for receive thread and TX cleanup thread. Alter * to prioritize receive or transmit bandwidth. In a heavily loaded * system or with LEIP_DEBUG enabled, the priorities might be better * the same. */ -#define tskRECPKT_PRIORITY (DEFAULT_THREAD_PRIO + 4) -#define tskTXCLEAN_PRIORITY (DEFAULT_THREAD_PRIO + 5) - -/** \brief Debug output formatter lock define - * +#define RX_PRIORITY (osPriorityNormal) +#define TX_PRIORITY (osPriorityNormal) + +/** \brief Debug output formatter lock define + * * When using FreeRTOS and with LWIP_DEBUG enabled, enabling this * define will allow RX debug messages to not interleave with the - * TX messages (so they are actually readable). Not enabling this - * define when the system is under load will cause the output to - * be unreadable. There is a small tradeoff in performance for this + * TX messages (so they are actually readable). Not enabling this + * define when the system is under load will cause the output to + * be unreadable. There is a small tradeoff in performance for this * so use it only for debug. */ //#define LOCK_RX_THREAD - -/** \brief Receive group interrupts - */ -#define RXINTGROUP (EMAC_INT_RX_OVERRUN | EMAC_INT_RX_ERR | EMAC_INT_RX_DONE) - -/** \brief Transmit group interrupts - */ -#define TXINTGROUP (EMAC_INT_TX_UNDERRUN | EMAC_INT_TX_ERR | EMAC_INT_TX_DONE) -#else -#define RXINTGROUP 0 -#define TXINTGROUP 0 -#endif - - /** \brief Structure of a TX/RX descriptor - */ -typedef struct -{ - volatile u32_t packet; /**< Pointer to buffer */ - volatile u32_t control; /**< Control word */ -} LPC_TXRX_DESC_T; - -/** \brief Structure of a RX status entry - */ -typedef struct -{ - volatile u32_t statusinfo; /**< RX status word */ - volatile u32_t statushashcrc; /**< RX hash CRC */ + +/** \brief Receive group interrupts + */ +#define RXINTGROUP (EMAC_INT_RX_OVERRUN | EMAC_INT_RX_ERR | EMAC_INT_RX_DONE) + +/** \brief Transmit group interrupts + */ +#define TXINTGROUP (EMAC_INT_TX_UNDERRUN | EMAC_INT_TX_ERR | EMAC_INT_TX_DONE) +#else +#define RXINTGROUP 0 +#define TXINTGROUP 0 +#endif + + /** \brief Structure of a TX/RX descriptor + */ +typedef struct +{ + volatile u32_t packet; /**< Pointer to buffer */ + volatile u32_t control; /**< Control word */ +} LPC_TXRX_DESC_T; + +/** \brief Structure of a RX status entry + */ +typedef struct +{ + volatile u32_t statusinfo; /**< RX status word */ + volatile u32_t statushashcrc; /**< RX hash CRC */ } LPC_TXRX_STATUS_T; - -/* LPC EMAC driver data structure */ -struct lpc_enetdata { - /* prxs must be 8 byte aligned! */ - LPC_TXRX_STATUS_T prxs[LPC_NUM_BUFF_RXDESCS]; /**< Pointer to RX statuses */ - struct netif *netif; /**< Reference back to LWIP parent netif */ - LPC_TXRX_DESC_T ptxd[LPC_NUM_BUFF_TXDESCS]; /**< Pointer to TX descriptor list */ - LPC_TXRX_STATUS_T ptxs[LPC_NUM_BUFF_TXDESCS]; /**< Pointer to TX statuses */ - LPC_TXRX_DESC_T prxd[LPC_NUM_BUFF_RXDESCS]; /**< Pointer to RX descriptor list */ - struct pbuf *rxb[LPC_NUM_BUFF_RXDESCS]; /**< RX pbuf pointer list, zero-copy mode */ - u32_t rx_fill_desc_index; /**< RX descriptor next available index */ - volatile u32_t rx_free_descs; /**< Count of free RX descriptors */ - struct pbuf *txb[LPC_NUM_BUFF_TXDESCS]; /**< TX pbuf pointer list, zero-copy mode */ - u32_t lpc_last_tx_idx; /**< TX last descriptor index, zero-copy mode */ -#if NO_SYS == 0 + +/* LPC EMAC driver data structure */ +struct lpc_enetdata { + /* prxs must be 8 byte aligned! */ + LPC_TXRX_STATUS_T prxs[LPC_NUM_BUFF_RXDESCS]; /**< Pointer to RX statuses */ + struct netif *netif; /**< Reference back to LWIP parent netif */ + LPC_TXRX_DESC_T ptxd[LPC_NUM_BUFF_TXDESCS]; /**< Pointer to TX descriptor list */ + LPC_TXRX_STATUS_T ptxs[LPC_NUM_BUFF_TXDESCS]; /**< Pointer to TX statuses */ + LPC_TXRX_DESC_T prxd[LPC_NUM_BUFF_RXDESCS]; /**< Pointer to RX descriptor list */ + struct pbuf *rxb[LPC_NUM_BUFF_RXDESCS]; /**< RX pbuf pointer list, zero-copy mode */ + u32_t rx_fill_desc_index; /**< RX descriptor next available index */ + volatile u32_t rx_free_descs; /**< Count of free RX descriptors */ + struct pbuf *txb[LPC_NUM_BUFF_TXDESCS]; /**< TX pbuf pointer list, zero-copy mode */ + u32_t lpc_last_tx_idx; /**< TX last descriptor index, zero-copy mode */ +#if NO_SYS == 0 sys_sem_t RxSem; /**< RX receive thread wakeup semaphore */ sys_sem_t TxCleanSem; /**< TX cleanup thread wakeup semaphore */ sys_mutex_t TXLockMutex; /**< TX critical section mutex */ - xSemaphoreHandle xTXDCountSem; /**< TX free buffer counting semaphore */ -#endif -}; - -/** \brief LPC EMAC driver work data - */ + sys_sem_t xTXDCountSem; /**< TX free buffer counting semaphore */ +#endif +}; + +/** \brief LPC EMAC driver work data + */ ALIGNED(8) struct lpc_enetdata lpc_enetdata; - + /* Write a value via the MII link (non-blocking) */ void lpc_mii_write_noblock(u32_t PhyReg, u32_t Value) { /* Write value at PHY address and register */ - LPC_EMAC->MADR = (LPC_PHYDEF_PHYADDR << 8) | PhyReg; - LPC_EMAC->MWTD = Value; + LPC_EMAC->MADR = (LPC_PHYDEF_PHYADDR << 8) | PhyReg; + LPC_EMAC->MWTD = Value; } /* Write a value via the MII link (blocking) */ @@ -145,16 +148,16 @@ err_t sts = ERR_OK; /* Write value at PHY address and register */ - lpc_mii_write_noblock(PhyReg, Value); - + lpc_mii_write_noblock(PhyReg, Value); + /* Wait for unbusy status */ while (mst > 0) { sts = LPC_EMAC->MIND; - if ((sts & EMAC_MIND_BUSY) == 0) + if ((sts & EMAC_MIND_BUSY) == 0) mst = 0; else { mst--; - msDelay(1); + osDelay(1); } } @@ -175,7 +178,7 @@ { u32_t data = LPC_EMAC->MRDD; LPC_EMAC->MCMD = 0; - + return data; } @@ -183,8 +186,8 @@ void lpc_mii_read_noblock(u32_t PhyReg) { /* Read value at PHY address and register */ - LPC_EMAC->MADR = (LPC_PHYDEF_PHYADDR << 8) | PhyReg; - LPC_EMAC->MCMD = EMAC_MCMD_READ; + LPC_EMAC->MADR = (LPC_PHYDEF_PHYADDR << 8) | PhyReg; + LPC_EMAC->MCMD = EMAC_MCMD_READ; } /* Read a value via the MII link (blocking) */ @@ -199,17 +202,17 @@ /* Wait for unbusy status */ while (mst > 0) { sts = LPC_EMAC->MIND & ~EMAC_MIND_MII_LINK_FAIL; - if ((sts & EMAC_MIND_BUSY) == 0) { + if ((sts & EMAC_MIND_BUSY) == 0) { mst = 0; *data = LPC_EMAC->MRDD; } else { mst--; - msDelay(1); + osDelay(1); } } LPC_EMAC->MCMD = 0; - + if (sts != 0) sts = ERR_TIMEOUT; @@ -218,10 +221,10 @@ /** \brief Queues a pbuf into the RX descriptor list * - * \param[in] lpc_enetif Pointer to the drvier data structure - * \param[in] p Pointer to pbuf to queue + * \param[in] lpc_enetif Pointer to the drvier data structure + * \param[in] p Pointer to pbuf to queue */ -static void lpc_rxqueue_pbuf(struct lpc_enetdata *lpc_enetif, struct pbuf *p) +static void lpc_rxqueue_pbuf(struct lpc_enetdata *lpc_enetif, struct pbuf *p) { u32_t idx; @@ -254,8 +257,8 @@ /** \brief Attempt to allocate and requeue a new pbuf for RX * - * \param[in] netif Pointer to the netif structure - * \returns 1 if a packet was allocated and requeued, otherwise 0 + * \param[in] netif Pointer to the netif structure + * \returns 1 if a packet was allocated and requeued, otherwise 0 */ s32_t lpc_rx_queue(struct netif *netif) { @@ -279,7 +282,7 @@ /* pbufs allocated from the RAM pool should be non-chained. */ LWIP_ASSERT("lpc_rx_queue: pbuf is not contiguous (chained)", pbuf_clen(p) <= 1); - + /* Queue packet */ lpc_rxqueue_pbuf(lpc_enetif, p); @@ -299,8 +302,6 @@ */ static err_t lpc_rx_setup(struct lpc_enetdata *lpc_enetif) { - s32_t idx; - /* Setup pointers to RX structures */ LPC_EMAC->RxDescriptor = (u32_t) &lpc_enetif->prxd[0]; LPC_EMAC->RxStatus = (u32_t) &lpc_enetif->prxs[0]; @@ -317,31 +318,30 @@ /** \brief Allocates a pbuf and returns the data from the incoming packet. * - * \param[in] netif the lwip network interface structure for this lpc_enetif - * \return a pbuf filled with the received packet (including MAC header) - * NULL on memory error + * \param[in] netif the lwip network interface structure for this lpc_enetif + * \return a pbuf filled with the received packet (including MAC header) + * NULL on memory error */ -static struct pbuf *lpc_low_level_input(struct netif *netif) -{ - struct lpc_enetdata *lpc_enetif = netif->state; - struct pbuf *p = NULL, *q; +static struct pbuf *lpc_low_level_input(struct netif *netif) +{ + struct lpc_enetdata *lpc_enetif = netif->state; + struct pbuf *p = NULL; u32_t idx, length; - u8_t *src; - + #ifdef LOCK_RX_THREAD #if NO_SYS == 0 /* Get exclusive access */ sys_mutex_lock(&lpc_enetif->TXLockMutex); #endif #endif - + /* Monitor RX overrun status. This should never happen unless (possibly) the internal bus is behing held up by something. Unless your system is running at a very low clock speed or there are possibilities that the internal buses may be held up for a long time, this can probably safely be removed. */ if (LPC_EMAC->IntStatus & EMAC_INT_RX_OVERRUN) { - LINK_STATS_INC(link.err); + LINK_STATS_INC(link.err); LINK_STATS_INC(link.drop); /* Temporarily disable RX */ @@ -379,9 +379,9 @@ idx = LPC_EMAC->RxConsumeIndex; if (LPC_EMAC->RxProduceIndex != idx) { /* Handle errors */ - if (lpc_enetif->prxs[idx].statusinfo & (EMAC_RINFO_CRC_ERR | + if (lpc_enetif->prxs[idx].statusinfo & (EMAC_RINFO_CRC_ERR | EMAC_RINFO_SYM_ERR | EMAC_RINFO_ALIGN_ERR | EMAC_RINFO_LEN_ERR)) { -#if LINK_STATS +#if LINK_STATS if (lpc_enetif->prxs[idx].statusinfo & (EMAC_RINFO_CRC_ERR | EMAC_RINFO_SYM_ERR | EMAC_RINFO_ALIGN_ERR)) LINK_STATS_INC(link.chkerr); @@ -399,7 +399,7 @@ lpc_rxqueue_pbuf(lpc_enetif, p); LWIP_DEBUGF(UDP_LPC_EMAC | LWIP_DBG_TRACE, - ("lpc_low_level_input: Packet dropped with errors (0x%x)\n", + ("lpc_low_level_input: Packet dropped with errors (0x%x)\n", lpc_enetif->prxs[idx].statusinfo)); } else { /* A packet is waiting, get length */ @@ -432,53 +432,53 @@ #endif #endif - return p; + return p; } /** \brief Attempt to read a packet from the EMAC interface. * - * \param[in] netif the lwip network interface structure for this lpc_enetif + * \param[in] netif the lwip network interface structure for this lpc_enetif */ -void lpc_enetif_input(struct netif *netif) -{ - struct eth_hdr *ethhdr; +void lpc_enetif_input(struct netif *netif) +{ + struct eth_hdr *ethhdr; struct pbuf *p; - - /* move received packet into a new pbuf */ + + /* move received packet into a new pbuf */ p = lpc_low_level_input(netif); if (p == NULL) return; - - /* points to packet payload, which starts with an Ethernet header */ + + /* points to packet payload, which starts with an Ethernet header */ ethhdr = p->payload; - - switch (htons(ethhdr->type)) { - case ETHTYPE_IP: - case ETHTYPE_ARP: -#if PPPOE_SUPPORT - case ETHTYPE_PPPOEDISC: - case ETHTYPE_PPPOE: -#endif /* PPPOE_SUPPORT */ - /* full packet send to tcpip_thread to process */ - if (netif->input(p, netif) != ERR_OK) { - LWIP_DEBUGF(NETIF_DEBUG, ("lpc_enetif_input: IP input error\n")); + + switch (htons(ethhdr->type)) { + case ETHTYPE_IP: + case ETHTYPE_ARP: +#if PPPOE_SUPPORT + case ETHTYPE_PPPOEDISC: + case ETHTYPE_PPPOE: +#endif /* PPPOE_SUPPORT */ + /* full packet send to tcpip_thread to process */ + if (netif->input(p, netif) != ERR_OK) { + LWIP_DEBUGF(NETIF_DEBUG, ("lpc_enetif_input: IP input error\n")); /* Free buffer */ pbuf_free(p); - } - break; - - default: + } + break; + + default: /* Return buffer */ - pbuf_free(p); - break; - } + pbuf_free(p); + break; + } } /** \brief Determine if the passed address is usable for the ethernet * DMA controller. * - * \param[in] addr Address of packet to check for DMA safe operation - * \return 1 if the packet address is not safe, otherwise 0 + * \param[in] addr Address of packet to check for DMA safe operation + * \return 1 if the packet address is not safe, otherwise 0 */ static s32_t lpc_packet_addr_notsafe(void *addr) { /* Check for legal address ranges */ @@ -518,7 +518,7 @@ /** \brief Free TX buffers that are complete * * \param[in] lpc_enetif Pointer to driver data structure - * \param[in] cidx EMAC current descriptor comsumer index + * \param[in] cidx EMAC current descriptor comsumer index */ static void lpc_tx_reclaim_st(struct lpc_enetdata *lpc_enetif, u32_t cidx) { @@ -538,7 +538,7 @@ } #if NO_SYS == 0 - xSemaphoreGive(lpc_enetif->xTXDCountSem); + osSemaphoreRelease(lpc_enetif->xTXDCountSem.id); #endif lpc_enetif->lpc_last_tx_idx++; if (lpc_enetif->lpc_last_tx_idx >= LPC_NUM_BUFF_TXDESCS) @@ -553,7 +553,7 @@ /** \brief User call for freeingTX buffers that are complete * - * \param[in] netif the lwip network interface structure for this lpc_enetif + * \param[in] netif the lwip network interface structure for this lpc_enetif */ void lpc_tx_reclaim(struct netif *netif) { @@ -564,14 +564,14 @@ /** \brief Polls if an available TX descriptor is ready. Can be used to * determine if the low level transmit function will block. * - * \param[in] netif the lwip network interface structure for this lpc_enetif - * \return 0 if no descriptors are read, or >0 + * \param[in] netif the lwip network interface structure for this lpc_enetif + * \return 0 if no descriptors are read, or >0 */ s32_t lpc_tx_ready(struct netif *netif) { s32_t fb; u32_t idx, cidx; - + cidx = LPC_EMAC->TxConsumeIndex; idx = LPC_EMAC->TxProduceIndex; @@ -591,17 +591,16 @@ * interrupt context, as it may block until TX descriptors * become available. * - * \param[in] netif the lwip network interface structure for this lpc_enetif - * \param[in] p the MAC packet to send (e.g. IP packet including MAC addresses and type) - * \return ERR_OK if the packet could be sent or an err_t value if the packet couldn't be sent + * \param[in] netif the lwip network interface structure for this lpc_enetif + * \param[in] p the MAC packet to send (e.g. IP packet including MAC addresses and type) + * \return ERR_OK if the packet could be sent or an err_t value if the packet couldn't be sent */ -static err_t lpc_low_level_output(struct netif *netif, struct pbuf *p) +static err_t lpc_low_level_output(struct netif *netif, struct pbuf *p) { struct lpc_enetdata *lpc_enetif = netif->state; struct pbuf *q; u8_t *dst; - u32_t idx, sz = 0; - err_t err = ERR_OK; + u32_t idx; struct pbuf *np; u32_t dn, notdmasafe = 0; @@ -629,10 +628,10 @@ /* This buffer better be contiguous! */ LWIP_ASSERT("lpc_low_level_output: New transmit pbuf is chained", (pbuf_clen(np) == 1)); - + /* Copy to DMA safe pbuf */ dst = (u8_t *) np->payload; - for(q = p; q != NULL; q = q->next) { + for(q = p; q != NULL; q = q->next) { /* Copy the buffer to the descriptor's buffer */ MEMCPY(dst, (u8_t *) q->payload, q->len); dst += q->len; @@ -651,16 +650,16 @@ #else if (notdmasafe) LWIP_ASSERT("lpc_low_level_output: Not a DMA safe pbuf", - (notdmasafe == 0)); + (notdmasafe == 0)); #endif /* Wait until enough descriptors are available for the transfer. */ /* THIS WILL BLOCK UNTIL THERE ARE ENOUGH DESCRIPTORS AVAILABLE */ while (dn > lpc_tx_ready(netif)) #if NO_SYS == 0 - xSemaphoreTake(lpc_enetif->xTXDCountSem, 0); + osSemaphoreWait(lpc_enetif->xTXDCountSem.id, osWaitForever); #else - msDelay(1); + osDelay(1); #endif /* Get free TX buffer index */ @@ -715,8 +714,8 @@ /* Restore access */ sys_mutex_unlock(&lpc_enetif->TXLockMutex); #endif - - return ERR_OK; + + return ERR_OK; } /** \brief LPC EMAC interrupt handler. @@ -730,7 +729,6 @@ /* Interrupts are not used without an RTOS */ NVIC_DisableIRQ(ENET_IRQn); #else - signed portBASE_TYPE xRecTaskWoken = pdFALSE, XTXTaskWoken = pdFALSE; uint32_t ints; /* Interrupts are of 2 groups - transmit or receive. Based on the @@ -740,24 +738,17 @@ ints = LPC_EMAC->IntStatus; if (ints & RXINTGROUP) { - /* RX group interrupt(s) */ - /* Give semaphore to wakeup RX receive task. Note the FreeRTOS - method is used instead of the LWIP arch method. */ - xSemaphoreGiveFromISR(lpc_enetdata.RxSem, &xRecTaskWoken); + /* RX group interrupt(s): Give semaphore to wakeup RX receive task.*/ + sys_sem_signal(&lpc_enetdata.RxSem); } if (ints & TXINTGROUP) { - /* TX group interrupt(s) */ - /* Give semaphore to wakeup TX cleanup task. Note the FreeRTOS - method is used instead of the LWIP arch method. */ - xSemaphoreGiveFromISR(lpc_enetdata.TxCleanSem, &XTXTaskWoken); + /* TX group interrupt(s): Give semaphore to wakeup TX cleanup task. */ + sys_sem_signal(&lpc_enetdata.TxCleanSem); } /* Clear pending interrupts */ LPC_EMAC->IntClear = ints; - - /* Context switch needed? */ - portEND_SWITCHING_ISR( xRecTaskWoken || XTXTaskWoken ); #endif } @@ -766,11 +757,10 @@ * * This task is called when a packet is received. It will * pass the packet to the LWIP core. - * - * \param[in] pvParameters Not used yet + * + * \param[in] pvParameters Not used yet */ -static portTASK_FUNCTION( vPacketReceiveTask, pvParameters ) -{ +static void packet_rx(void* pvParameters) { struct lpc_enetdata *lpc_enetif = pvParameters; while (1) { @@ -788,11 +778,10 @@ * This task is called when a transmit interrupt occurs and * reclaims the pbuf and descriptor used for the packet once * the packet has been transferred. - * - * \param[in] pvParameters Not used yet + * + * \param[in] pvParameters Not used yet */ -static portTASK_FUNCTION( vTransmitCleanupTask, pvParameters ) -{ +static void packet_tx(void* pvParameters) { struct lpc_enetdata *lpc_enetif = pvParameters; s32_t idx; @@ -804,7 +793,7 @@ something is holding the bus or the clocks are going too slow. It can probably be safely removed. */ if (LPC_EMAC->IntStatus & EMAC_INT_TX_UNDERRUN) { - LINK_STATS_INC(link.err); + LINK_STATS_INC(link.err); LINK_STATS_INC(link.drop); #if NO_SYS == 0 @@ -841,13 +830,16 @@ * * \param[in] netif Pointer to LWIP netif structure */ -static err_t low_level_init(struct netif *netif) -{ +static err_t low_level_init(struct netif *netif) +{ struct lpc_enetdata *lpc_enetif = netif->state; - err_t err = ERR_OK; - + err_t err = ERR_OK; + /* Enable MII clocking */ - CLKPWR_ConfigPPWR(CLKPWR_PCONP_PCENET, ENABLE); + LPC_SC->PCONP |= CLKPWR_PCONP_PCENET; + + LPC_PINCON->PINSEL2 = 0x50150105; /* Enable P1 Ethernet Pins. */ + LPC_PINCON->PINSEL3 = (LPC_PINCON->PINSEL3 & ~0x0000000F) | 0x00000005; /* Reset all MAC logic */ LPC_EMAC->MAC1 = EMAC_MAC1_RES_TX | EMAC_MAC1_RES_MCS_TX | @@ -855,7 +847,7 @@ EMAC_MAC1_SOFT_RES; LPC_EMAC->Command = EMAC_CR_REG_RES | EMAC_CR_TX_RES | EMAC_CR_RX_RES | EMAC_CR_PASS_RUNT_FRM; - msDelay(10); + osDelay(10); /* Initial MAC initialization */ LPC_EMAC->MAC1 = EMAC_MAC1_PASS_ALL; @@ -915,41 +907,41 @@ return err; } - -/* This function provides a method for the PHY to setup the EMAC - for the PHY negotiated duplex mode */ -void lpc_emac_set_duplex(int full_duplex) -{ - if (full_duplex) { - LPC_EMAC->MAC2 |= EMAC_MAC2_FULL_DUP; - LPC_EMAC->Command |= EMAC_CR_FULL_DUP; - LPC_EMAC->IPGT = EMAC_IPGT_FULL_DUP; - } else { - LPC_EMAC->MAC2 &= ~EMAC_MAC2_FULL_DUP; - LPC_EMAC->Command &= ~EMAC_CR_FULL_DUP; - LPC_EMAC->IPGT = EMAC_IPGT_HALF_DUP; - } -} - -/* This function provides a method for the PHY to setup the EMAC - for the PHY negotiated bit rate */ -void lpc_emac_set_speed(int mbs_100) -{ - if (mbs_100) - LPC_EMAC->SUPP = EMAC_SUPP_SPEED; - else - LPC_EMAC->SUPP = 0; + +/* This function provides a method for the PHY to setup the EMAC + for the PHY negotiated duplex mode */ +void lpc_emac_set_duplex(int full_duplex) +{ + if (full_duplex) { + LPC_EMAC->MAC2 |= EMAC_MAC2_FULL_DUP; + LPC_EMAC->Command |= EMAC_CR_FULL_DUP; + LPC_EMAC->IPGT = EMAC_IPGT_FULL_DUP; + } else { + LPC_EMAC->MAC2 &= ~EMAC_MAC2_FULL_DUP; + LPC_EMAC->Command &= ~EMAC_CR_FULL_DUP; + LPC_EMAC->IPGT = EMAC_IPGT_HALF_DUP; + } } - -/** + +/* This function provides a method for the PHY to setup the EMAC + for the PHY negotiated bit rate */ +void lpc_emac_set_speed(int mbs_100) +{ + if (mbs_100) + LPC_EMAC->SUPP = EMAC_SUPP_SPEED; + else + LPC_EMAC->SUPP = 0; +} + +/** * 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 + * 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 - */ + */ err_t lpc_etharp_output(struct netif *netif, struct pbuf *q, ip_addr_t *ipaddr) { @@ -958,83 +950,92 @@ 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 lpc_enetif_init(struct netif *netif) -{ - err_t err; - - LWIP_ASSERT("netif != NULL", (netif != NULL)); - +} + +#if NO_SYS == 0 +/* periodic PHY status update */ +void phy_update(void const *nif) { + lpc_phy_sts_sm((struct netif*)nif); +} +osTimerDef(phy_update, phy_update); +#endif + +/** + * 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 lpc_enetif_init(struct netif *netif) +{ + err_t err; + + LWIP_ASSERT("netif != NULL", (netif != NULL)); + lpc_enetdata.netif = netif; /* set MAC hardware address */ - board_get_macaddr(netif->hwaddr); - netif->hwaddr_len = ETHARP_HWADDR_LEN; - - /* maximum transfer unit */ - netif->mtu = 1500; - - /* device capabilities */ - netif->flags = NETIF_FLAG_BROADCAST | NETIF_FLAG_ETHARP | NETIF_FLAG_UP | - NETIF_FLAG_ETHERNET; - + mbed_mac_address((char *)netif->hwaddr); + 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; + /* Initialize the hardware */ netif->state = &lpc_enetdata; - err = low_level_init(netif); + err = low_level_init(netif); if (err != ERR_OK) return err; -#if LWIP_NETIF_HOSTNAME - /* Initialize interface hostname */ - netif->hostname = "lwiplpc"; +#if LWIP_NETIF_HOSTNAME + /* Initialize interface hostname */ + netif->hostname = "lwiplpc"; #endif /* LWIP_NETIF_HOSTNAME */ - netif->name[0] = 'e'; + netif->name[0] = 'e'; netif->name[1] = 'n'; - netif->output = lpc_etharp_output; + netif->output = lpc_etharp_output; netif->linkoutput = lpc_low_level_output; - /* For FreeRTOS, start tasks */ + /* CMSIS-RTOS, start tasks */ #if NO_SYS == 0 - lpc_enetdata.xTXDCountSem = xSemaphoreCreateCounting(LPC_NUM_BUFF_TXDESCS, - LPC_NUM_BUFF_TXDESCS); - LWIP_ASSERT("xTXDCountSem creation error", - (lpc_enetdata.xTXDCountSem != NULL)); - - err = sys_mutex_new(&lpc_enetdata.TXLockMutex); + #ifdef CMSIS_OS_RTX + memset(lpc_enetdata.xTXDCountSem.data, 0, sizeof(lpc_enetdata.xTXDCountSem.data)); + lpc_enetdata.xTXDCountSem.def.semaphore = lpc_enetdata.xTXDCountSem.data; + #endif + lpc_enetdata.xTXDCountSem.id = osSemaphoreCreate(&lpc_enetdata.xTXDCountSem.def, LPC_NUM_BUFF_TXDESCS); + LWIP_ASSERT("xTXDCountSem creation error", (lpc_enetdata.xTXDCountSem.id != NULL)); + + err = sys_mutex_new(&lpc_enetdata.TXLockMutex); LWIP_ASSERT("TXLockMutex creation error", (err == ERR_OK)); - + /* Packet receive task */ err = sys_sem_new(&lpc_enetdata.RxSem, 0); - LWIP_ASSERT("RxSem creation error", (err == ERR_OK)); - sys_thread_new("receive_thread", vPacketReceiveTask, netif->state, - DEFAULT_THREAD_STACKSIZE, tskRECPKT_PRIORITY); - + LWIP_ASSERT("RxSem creation error", (err == ERR_OK)); + sys_thread_new("receive_thread", packet_rx, netif->state, DEFAULT_THREAD_STACKSIZE, RX_PRIORITY); + /* Transmit cleanup task */ - err = sys_sem_new(&lpc_enetdata.TxCleanSem, 0); - LWIP_ASSERT("TxCleanSem creation error", (err == ERR_OK)); - sys_thread_new("txclean_thread", vTransmitCleanupTask, netif->state, - DEFAULT_THREAD_STACKSIZE, tskTXCLEAN_PRIORITY); + sys_thread_new("txclean_thread", packet_tx, netif->state, DEFAULT_THREAD_STACKSIZE, TX_PRIORITY); + + /* periodic PHY status update */ + osTimerId phy_timer = osTimerCreate(osTimer(phy_update), osTimerPeriodic, (void *)netif); + osTimerStart(phy_timer, 250); #endif - - return ERR_OK; + + return ERR_OK; } -/** - * @} +/** + * @} */ -/* --------------------------------- End Of File ------------------------------ */ +/* --------------------------------- End Of File ------------------------------ */
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/arch/lpc17xx_emac.h Fri Jun 22 11:17:21 2012 +0000 @@ -0,0 +1,661 @@ +/********************************************************************** +* $Id$ lpc17xx_emac.h 2010-05-21 +*//** +* @file lpc17xx_emac.h +* @brief Contains all macro definitions and function prototypes +* support for Ethernet MAC firmware library on LPC17xx +* @version 2.0 +* @date 21. May. 2010 +* @author NXP MCU SW Application Team +* +* Copyright(C) 2010, NXP Semiconductor +* All rights reserved. +* +*********************************************************************** +* Software that is described herein is for illustrative purposes only +* which provides customers with programming information regarding the +* products. This software is supplied "AS IS" without any warranties. +* NXP Semiconductors assumes no responsibility or liability for the +* use of the software, conveys no license or title under any patent, +* copyright, or mask work right to the product. NXP Semiconductors +* reserves the right to make changes in the software without +* notification. NXP Semiconductors also make no representation or +* warranty that such application will be suitable for the specified +* use without further testing or modification. +**********************************************************************/ + +/* Peripheral group ----------------------------------------------------------- */ +/** @defgroup EMAC EMAC (Ethernet Media Access Controller) + * @ingroup LPC1700CMSIS_FwLib_Drivers + * @{ + */ + +#ifndef LPC17XX_EMAC_H_ +#define LPC17XX_EMAC_H_ + +/* Includes ------------------------------------------------------------------- */ +#include "LPC17xx.h" + +#ifdef __cplusplus +extern "C" +{ +#endif + +#define MCB_LPC_1768 +//#define IAR_LPC_1768 + +/* Public Macros -------------------------------------------------------------- */ +/** @defgroup EMAC_Public_Macros EMAC Public Macros + * @{ + */ + + +/* EMAC PHY status type definitions */ +#define EMAC_PHY_STAT_LINK (0) /**< Link Status */ +#define EMAC_PHY_STAT_SPEED (1) /**< Speed Status */ +#define EMAC_PHY_STAT_DUP (2) /**< Duplex Status */ + +/* EMAC PHY device Speed definitions */ +#define EMAC_MODE_AUTO (0) /**< Auto-negotiation mode */ +#define EMAC_MODE_10M_FULL (1) /**< 10Mbps FullDuplex mode */ +#define EMAC_MODE_10M_HALF (2) /**< 10Mbps HalfDuplex mode */ +#define EMAC_MODE_100M_FULL (3) /**< 100Mbps FullDuplex mode */ +#define EMAC_MODE_100M_HALF (4) /**< 100Mbps HalfDuplex mode */ + +/** + * @} + */ +/* Private Macros ------------------------------------------------------------- */ +/** @defgroup EMAC_Private_Macros EMAC Private Macros + * @{ + */ + + +/* EMAC Memory Buffer configuration for 16K Ethernet RAM */ +#define EMAC_NUM_RX_FRAG 4 /**< Num.of RX Fragments 4*1536= 6.0kB */ +#define EMAC_NUM_TX_FRAG 3 /**< Num.of TX Fragments 3*1536= 4.6kB */ +#define EMAC_ETH_MAX_FLEN 1536 /**< Max. Ethernet Frame Size */ +#define EMAC_TX_FRAME_TOUT 0x00100000 /**< Frame Transmit timeout count */ + +/* --------------------- BIT DEFINITIONS -------------------------------------- */ +/*********************************************************************//** + * Macro defines for MAC Configuration Register 1 + **********************************************************************/ +#define EMAC_MAC1_REC_EN 0x00000001 /**< Receive Enable */ +#define EMAC_MAC1_PASS_ALL 0x00000002 /**< Pass All Receive Frames */ +#define EMAC_MAC1_RX_FLOWC 0x00000004 /**< RX Flow Control */ +#define EMAC_MAC1_TX_FLOWC 0x00000008 /**< TX Flow Control */ +#define EMAC_MAC1_LOOPB 0x00000010 /**< Loop Back Mode */ +#define EMAC_MAC1_RES_TX 0x00000100 /**< Reset TX Logic */ +#define EMAC_MAC1_RES_MCS_TX 0x00000200 /**< Reset MAC TX Control Sublayer */ +#define EMAC_MAC1_RES_RX 0x00000400 /**< Reset RX Logic */ +#define EMAC_MAC1_RES_MCS_RX 0x00000800 /**< Reset MAC RX Control Sublayer */ +#define EMAC_MAC1_SIM_RES 0x00004000 /**< Simulation Reset */ +#define EMAC_MAC1_SOFT_RES 0x00008000 /**< Soft Reset MAC */ + +/*********************************************************************//** + * Macro defines for MAC Configuration Register 2 + **********************************************************************/ +#define EMAC_MAC2_FULL_DUP 0x00000001 /**< Full-Duplex Mode */ +#define EMAC_MAC2_FRM_LEN_CHK 0x00000002 /**< Frame Length Checking */ +#define EMAC_MAC2_HUGE_FRM_EN 0x00000004 /**< Huge Frame Enable */ +#define EMAC_MAC2_DLY_CRC 0x00000008 /**< Delayed CRC Mode */ +#define EMAC_MAC2_CRC_EN 0x00000010 /**< Append CRC to every Frame */ +#define EMAC_MAC2_PAD_EN 0x00000020 /**< Pad all Short Frames */ +#define EMAC_MAC2_VLAN_PAD_EN 0x00000040 /**< VLAN Pad Enable */ +#define EMAC_MAC2_ADET_PAD_EN 0x00000080 /**< Auto Detect Pad Enable */ +#define EMAC_MAC2_PPREAM_ENF 0x00000100 /**< Pure Preamble Enforcement */ +#define EMAC_MAC2_LPREAM_ENF 0x00000200 /**< Long Preamble Enforcement */ +#define EMAC_MAC2_NO_BACKOFF 0x00001000 /**< No Backoff Algorithm */ +#define EMAC_MAC2_BACK_PRESSURE 0x00002000 /**< Backoff Presurre / No Backoff */ +#define EMAC_MAC2_EXCESS_DEF 0x00004000 /**< Excess Defer */ + +/*********************************************************************//** + * Macro defines for Back-to-Back Inter-Packet-Gap Register + **********************************************************************/ +/** Programmable field representing the nibble time offset of the minimum possible period + * between the end of any transmitted packet to the beginning of the next */ +#define EMAC_IPGT_BBIPG(n) (n&0x7F) +/** Recommended value for Full Duplex of Programmable field representing the nibble time + * offset of the minimum possible period between the end of any transmitted packet to the + * beginning of the next */ +#define EMAC_IPGT_FULL_DUP (EMAC_IPGT_BBIPG(0x15)) +/** Recommended value for Half Duplex of Programmable field representing the nibble time + * offset of the minimum possible period between the end of any transmitted packet to the + * beginning of the next */ +#define EMAC_IPGT_HALF_DUP (EMAC_IPGT_BBIPG(0x12)) + +/*********************************************************************//** + * Macro defines for Non Back-to-Back Inter-Packet-Gap Register + **********************************************************************/ +/** Programmable field representing the Non-Back-to-Back Inter-Packet-Gap */ +#define EMAC_IPGR_NBBIPG_P2(n) (n&0x7F) +/** Recommended value for Programmable field representing the Non-Back-to-Back Inter-Packet-Gap Part 1 */ +#define EMAC_IPGR_P2_DEF (EMAC_IPGR_NBBIPG_P2(0x12)) +/** Programmable field representing the optional carrierSense window referenced in + * IEEE 802.3/4.2.3.2.1 'Carrier Deference' */ +#define EMAC_IPGR_NBBIPG_P1(n) ((n&0x7F)<<8) +/** Recommended value for Programmable field representing the Non-Back-to-Back Inter-Packet-Gap Part 2 */ +#define EMAC_IPGR_P1_DEF EMAC_IPGR_NBBIPG_P1(0x0C) + +/*********************************************************************//** + * Macro defines for Collision Window/Retry Register + **********************************************************************/ +/** Programmable field specifying the number of retransmission attempts following a collision before + * aborting the packet due to excessive collisions */ +#define EMAC_CLRT_MAX_RETX(n) (n&0x0F) +/** Programmable field representing the slot time or collision window during which collisions occur + * in properly configured networks */ +#define EMAC_CLRT_COLL(n) ((n&0x3F)<<8) +/** Default value for Collision Window / Retry register */ +#define EMAC_CLRT_DEF ((EMAC_CLRT_MAX_RETX(0x0F))|(EMAC_CLRT_COLL(0x37))) + +/*********************************************************************//** + * Macro defines for Maximum Frame Register + **********************************************************************/ +/** Represents a maximum receive frame of 1536 octets */ +#define EMAC_MAXF_MAXFRMLEN(n) (n&0xFFFF) + +/*********************************************************************//** + * Macro defines for PHY Support Register + **********************************************************************/ +#define EMAC_SUPP_SPEED 0x00000100 /**< Reduced MII Logic Current Speed */ +#define EMAC_SUPP_RES_RMII 0x00000800 /**< Reset Reduced MII Logic */ + +/*********************************************************************//** + * Macro defines for Test Register + **********************************************************************/ +#define EMAC_TEST_SHCUT_PQUANTA 0x00000001 /**< Shortcut Pause Quanta */ +#define EMAC_TEST_TST_PAUSE 0x00000002 /**< Test Pause */ +#define EMAC_TEST_TST_BACKP 0x00000004 /**< Test Back Pressure */ + +/*********************************************************************//** + * Macro defines for MII Management Configuration Register + **********************************************************************/ +#define EMAC_MCFG_SCAN_INC 0x00000001 /**< Scan Increment PHY Address */ +#define EMAC_MCFG_SUPP_PREAM 0x00000002 /**< Suppress Preamble */ +#define EMAC_MCFG_CLK_SEL(n) ((n&0x0F)<<2) /**< Clock Select Field */ +#define EMAC_MCFG_RES_MII 0x00008000 /**< Reset MII Management Hardware */ +#define EMAC_MCFG_MII_MAXCLK 2500000UL /**< MII Clock max */ + +/*********************************************************************//** + * Macro defines for MII Management Command Register + **********************************************************************/ +#define EMAC_MCMD_READ 0x00000001 /**< MII Read */ +#define EMAC_MCMD_SCAN 0x00000002 /**< MII Scan continuously */ + +#define EMAC_MII_WR_TOUT 0x00050000 /**< MII Write timeout count */ +#define EMAC_MII_RD_TOUT 0x00050000 /**< MII Read timeout count */ + +/*********************************************************************//** + * Macro defines for MII Management Address Register + **********************************************************************/ +#define EMAC_MADR_REG_ADR(n) (n&0x1F) /**< MII Register Address field */ +#define EMAC_MADR_PHY_ADR(n) ((n&0x1F)<<8) /**< PHY Address Field */ + +/*********************************************************************//** + * Macro defines for MII Management Write Data Register + **********************************************************************/ +#define EMAC_MWTD_DATA(n) (n&0xFFFF) /**< Data field for MMI Management Write Data register */ + +/*********************************************************************//** + * Macro defines for MII Management Read Data Register + **********************************************************************/ +#define EMAC_MRDD_DATA(n) (n&0xFFFF) /**< Data field for MMI Management Read Data register */ + +/*********************************************************************//** + * Macro defines for MII Management Indicators Register + **********************************************************************/ +#define EMAC_MIND_BUSY 0x00000001 /**< MII is Busy */ +#define EMAC_MIND_SCAN 0x00000002 /**< MII Scanning in Progress */ +#define EMAC_MIND_NOT_VAL 0x00000004 /**< MII Read Data not valid */ +#define EMAC_MIND_MII_LINK_FAIL 0x00000008 /**< MII Link Failed */ + +/* Station Address 0 Register */ +/* Station Address 1 Register */ +/* Station Address 2 Register */ + + +/* Control register definitions --------------------------------------------------------------------------- */ +/*********************************************************************//** + * Macro defines for Command Register + **********************************************************************/ +#define EMAC_CR_RX_EN 0x00000001 /**< Enable Receive */ +#define EMAC_CR_TX_EN 0x00000002 /**< Enable Transmit */ +#define EMAC_CR_REG_RES 0x00000008 /**< Reset Host Registers */ +#define EMAC_CR_TX_RES 0x00000010 /**< Reset Transmit Datapath */ +#define EMAC_CR_RX_RES 0x00000020 /**< Reset Receive Datapath */ +#define EMAC_CR_PASS_RUNT_FRM 0x00000040 /**< Pass Runt Frames */ +#define EMAC_CR_PASS_RX_FILT 0x00000080 /**< Pass RX Filter */ +#define EMAC_CR_TX_FLOW_CTRL 0x00000100 /**< TX Flow Control */ +#define EMAC_CR_RMII 0x00000200 /**< Reduced MII Interface */ +#define EMAC_CR_FULL_DUP 0x00000400 /**< Full Duplex */ + +/*********************************************************************//** + * Macro defines for Status Register + **********************************************************************/ +#define EMAC_SR_RX_EN 0x00000001 /**< Enable Receive */ +#define EMAC_SR_TX_EN 0x00000002 /**< Enable Transmit */ + +/*********************************************************************//** + * Macro defines for Transmit Status Vector 0 Register + **********************************************************************/ +#define EMAC_TSV0_CRC_ERR 0x00000001 /**< CRC error */ +#define EMAC_TSV0_LEN_CHKERR 0x00000002 /**< Length Check Error */ +#define EMAC_TSV0_LEN_OUTRNG 0x00000004 /**< Length Out of Range */ +#define EMAC_TSV0_DONE 0x00000008 /**< Tramsmission Completed */ +#define EMAC_TSV0_MCAST 0x00000010 /**< Multicast Destination */ +#define EMAC_TSV0_BCAST 0x00000020 /**< Broadcast Destination */ +#define EMAC_TSV0_PKT_DEFER 0x00000040 /**< Packet Deferred */ +#define EMAC_TSV0_EXC_DEFER 0x00000080 /**< Excessive Packet Deferral */ +#define EMAC_TSV0_EXC_COLL 0x00000100 /**< Excessive Collision */ +#define EMAC_TSV0_LATE_COLL 0x00000200 /**< Late Collision Occured */ +#define EMAC_TSV0_GIANT 0x00000400 /**< Giant Frame */ +#define EMAC_TSV0_UNDERRUN 0x00000800 /**< Buffer Underrun */ +#define EMAC_TSV0_BYTES 0x0FFFF000 /**< Total Bytes Transferred */ +#define EMAC_TSV0_CTRL_FRAME 0x10000000 /**< Control Frame */ +#define EMAC_TSV0_PAUSE 0x20000000 /**< Pause Frame */ +#define EMAC_TSV0_BACK_PRESS 0x40000000 /**< Backpressure Method Applied */ +#define EMAC_TSV0_VLAN 0x80000000 /**< VLAN Frame */ + +/*********************************************************************//** + * Macro defines for Transmit Status Vector 1 Register + **********************************************************************/ +#define EMAC_TSV1_BYTE_CNT 0x0000FFFF /**< Transmit Byte Count */ +#define EMAC_TSV1_COLL_CNT 0x000F0000 /**< Transmit Collision Count */ + +/*********************************************************************//** + * Macro defines for Receive Status Vector Register + **********************************************************************/ +#define EMAC_RSV_BYTE_CNT 0x0000FFFF /**< Receive Byte Count */ +#define EMAC_RSV_PKT_IGNORED 0x00010000 /**< Packet Previously Ignored */ +#define EMAC_RSV_RXDV_SEEN 0x00020000 /**< RXDV Event Previously Seen */ +#define EMAC_RSV_CARR_SEEN 0x00040000 /**< Carrier Event Previously Seen */ +#define EMAC_RSV_REC_CODEV 0x00080000 /**< Receive Code Violation */ +#define EMAC_RSV_CRC_ERR 0x00100000 /**< CRC Error */ +#define EMAC_RSV_LEN_CHKERR 0x00200000 /**< Length Check Error */ +#define EMAC_RSV_LEN_OUTRNG 0x00400000 /**< Length Out of Range */ +#define EMAC_RSV_REC_OK 0x00800000 /**< Frame Received OK */ +#define EMAC_RSV_MCAST 0x01000000 /**< Multicast Frame */ +#define EMAC_RSV_BCAST 0x02000000 /**< Broadcast Frame */ +#define EMAC_RSV_DRIB_NIBB 0x04000000 /**< Dribble Nibble */ +#define EMAC_RSV_CTRL_FRAME 0x08000000 /**< Control Frame */ +#define EMAC_RSV_PAUSE 0x10000000 /**< Pause Frame */ +#define EMAC_RSV_UNSUPP_OPC 0x20000000 /**< Unsupported Opcode */ +#define EMAC_RSV_VLAN 0x40000000 /**< VLAN Frame */ + +/*********************************************************************//** + * Macro defines for Flow Control Counter Register + **********************************************************************/ +#define EMAC_FCC_MIRR_CNT(n) (n&0xFFFF) /**< Mirror Counter */ +#define EMAC_FCC_PAUSE_TIM(n) ((n&0xFFFF)<<16) /**< Pause Timer */ + +/*********************************************************************//** + * Macro defines for Flow Control Status Register + **********************************************************************/ +#define EMAC_FCS_MIRR_CNT(n) (n&0xFFFF) /**< Mirror Counter Current */ + + +/* Receive filter register definitions -------------------------------------------------------- */ +/*********************************************************************//** + * Macro defines for Receive Filter Control Register + **********************************************************************/ +#define EMAC_RFC_UCAST_EN 0x00000001 /**< Accept Unicast Frames Enable */ +#define EMAC_RFC_BCAST_EN 0x00000002 /**< Accept Broadcast Frames Enable */ +#define EMAC_RFC_MCAST_EN 0x00000004 /**< Accept Multicast Frames Enable */ +#define EMAC_RFC_UCAST_HASH_EN 0x00000008 /**< Accept Unicast Hash Filter Frames */ +#define EMAC_RFC_MCAST_HASH_EN 0x00000010 /**< Accept Multicast Hash Filter Fram.*/ +#define EMAC_RFC_PERFECT_EN 0x00000020 /**< Accept Perfect Match Enable */ +#define EMAC_RFC_MAGP_WOL_EN 0x00001000 /**< Magic Packet Filter WoL Enable */ +#define EMAC_RFC_PFILT_WOL_EN 0x00002000 /**< Perfect Filter WoL Enable */ + +/*********************************************************************//** + * Macro defines for Receive Filter WoL Status/Clear Registers + **********************************************************************/ +#define EMAC_WOL_UCAST 0x00000001 /**< Unicast Frame caused WoL */ +#define EMAC_WOL_BCAST 0x00000002 /**< Broadcast Frame caused WoL */ +#define EMAC_WOL_MCAST 0x00000004 /**< Multicast Frame caused WoL */ +#define EMAC_WOL_UCAST_HASH 0x00000008 /**< Unicast Hash Filter Frame WoL */ +#define EMAC_WOL_MCAST_HASH 0x00000010 /**< Multicast Hash Filter Frame WoL */ +#define EMAC_WOL_PERFECT 0x00000020 /**< Perfect Filter WoL */ +#define EMAC_WOL_RX_FILTER 0x00000080 /**< RX Filter caused WoL */ +#define EMAC_WOL_MAG_PACKET 0x00000100 /**< Magic Packet Filter caused WoL */ +#define EMAC_WOL_BITMASK 0x01BF /**< Receive Filter WoL Status/Clear bitmasl value */ + + +/* Module control register definitions ---------------------------------------------------- */ +/*********************************************************************//** + * Macro defines for Interrupt Status/Enable/Clear/Set Registers + **********************************************************************/ +#define EMAC_INT_RX_OVERRUN 0x00000001 /**< Overrun Error in RX Queue */ +#define EMAC_INT_RX_ERR 0x00000002 /**< Receive Error */ +#define EMAC_INT_RX_FIN 0x00000004 /**< RX Finished Process Descriptors */ +#define EMAC_INT_RX_DONE 0x00000008 /**< Receive Done */ +#define EMAC_INT_TX_UNDERRUN 0x00000010 /**< Transmit Underrun */ +#define EMAC_INT_TX_ERR 0x00000020 /**< Transmit Error */ +#define EMAC_INT_TX_FIN 0x00000040 /**< TX Finished Process Descriptors */ +#define EMAC_INT_TX_DONE 0x00000080 /**< Transmit Done */ +#define EMAC_INT_SOFT_INT 0x00001000 /**< Software Triggered Interrupt */ +#define EMAC_INT_WAKEUP 0x00002000 /**< Wakeup Event Interrupt */ + +/*********************************************************************//** + * Macro defines for Power Down Register + **********************************************************************/ +#define EMAC_PD_POWER_DOWN 0x80000000 /**< Power Down MAC */ + +/* Descriptor and status formats ---------------------------------------------------- */ +/*********************************************************************//** + * Macro defines for RX Descriptor Control Word + **********************************************************************/ +#define EMAC_RCTRL_SIZE(n) (n&0x7FF) /**< Buffer size field */ +#define EMAC_RCTRL_INT 0x80000000 /**< Generate RxDone Interrupt */ + +/*********************************************************************//** + * Macro defines for RX Status Hash CRC Word + **********************************************************************/ +#define EMAC_RHASH_SA 0x000001FF /**< Hash CRC for Source Address */ +#define EMAC_RHASH_DA 0x001FF000 /**< Hash CRC for Destination Address */ + +/*********************************************************************//** + * Macro defines for RX Status Information Word + **********************************************************************/ +#define EMAC_RINFO_SIZE 0x000007FF /**< Data size in bytes */ +#define EMAC_RINFO_CTRL_FRAME 0x00040000 /**< Control Frame */ +#define EMAC_RINFO_VLAN 0x00080000 /**< VLAN Frame */ +#define EMAC_RINFO_FAIL_FILT 0x00100000 /**< RX Filter Failed */ +#define EMAC_RINFO_MCAST 0x00200000 /**< Multicast Frame */ +#define EMAC_RINFO_BCAST 0x00400000 /**< Broadcast Frame */ +#define EMAC_RINFO_CRC_ERR 0x00800000 /**< CRC Error in Frame */ +#define EMAC_RINFO_SYM_ERR 0x01000000 /**< Symbol Error from PHY */ +#define EMAC_RINFO_LEN_ERR 0x02000000 /**< Length Error */ +#define EMAC_RINFO_RANGE_ERR 0x04000000 /**< Range Error (exceeded max. size) */ +#define EMAC_RINFO_ALIGN_ERR 0x08000000 /**< Alignment Error */ +#define EMAC_RINFO_OVERRUN 0x10000000 /**< Receive overrun */ +#define EMAC_RINFO_NO_DESCR 0x20000000 /**< No new Descriptor available */ +#define EMAC_RINFO_LAST_FLAG 0x40000000 /**< Last Fragment in Frame */ +#define EMAC_RINFO_ERR 0x80000000 /**< Error Occured (OR of all errors) */ +#define EMAC_RINFO_ERR_MASK (EMAC_RINFO_FAIL_FILT | EMAC_RINFO_CRC_ERR | EMAC_RINFO_SYM_ERR | \ +EMAC_RINFO_LEN_ERR | EMAC_RINFO_ALIGN_ERR | EMAC_RINFO_OVERRUN) + +/*********************************************************************//** + * Macro defines for TX Descriptor Control Word + **********************************************************************/ +#define EMAC_TCTRL_SIZE 0x000007FF /**< Size of data buffer in bytes */ +#define EMAC_TCTRL_OVERRIDE 0x04000000 /**< Override Default MAC Registers */ +#define EMAC_TCTRL_HUGE 0x08000000 /**< Enable Huge Frame */ +#define EMAC_TCTRL_PAD 0x10000000 /**< Pad short Frames to 64 bytes */ +#define EMAC_TCTRL_CRC 0x20000000 /**< Append a hardware CRC to Frame */ +#define EMAC_TCTRL_LAST 0x40000000 /**< Last Descriptor for TX Frame */ +#define EMAC_TCTRL_INT 0x80000000 /**< Generate TxDone Interrupt */ + +/*********************************************************************//** + * Macro defines for TX Status Information Word + **********************************************************************/ +#define EMAC_TINFO_COL_CNT 0x01E00000 /**< Collision Count */ +#define EMAC_TINFO_DEFER 0x02000000 /**< Packet Deferred (not an error) */ +#define EMAC_TINFO_EXCESS_DEF 0x04000000 /**< Excessive Deferral */ +#define EMAC_TINFO_EXCESS_COL 0x08000000 /**< Excessive Collision */ +#define EMAC_TINFO_LATE_COL 0x10000000 /**< Late Collision Occured */ +#define EMAC_TINFO_UNDERRUN 0x20000000 /**< Transmit Underrun */ +#define EMAC_TINFO_NO_DESCR 0x40000000 /**< No new Descriptor available */ +#define EMAC_TINFO_ERR 0x80000000 /**< Error Occured (OR of all errors) */ + +#ifdef MCB_LPC_1768 +/* DP83848C PHY definition ------------------------------------------------------------ */ + +/** PHY device reset time out definition */ +#define EMAC_PHY_RESP_TOUT 0x100000UL + +/* ENET Device Revision ID */ +#define EMAC_OLD_EMAC_MODULE_ID 0x39022000 /**< Rev. ID for first rev '-' */ + +/*********************************************************************//** + * Macro defines for DP83848C PHY Registers + **********************************************************************/ +#define EMAC_PHY_REG_BMCR 0x00 /**< Basic Mode Control Register */ +#define EMAC_PHY_REG_BMSR 0x01 /**< Basic Mode Status Register */ +#define EMAC_PHY_REG_IDR1 0x02 /**< PHY Identifier 1 */ +#define EMAC_PHY_REG_IDR2 0x03 /**< PHY Identifier 2 */ +#define EMAC_PHY_REG_ANAR 0x04 /**< Auto-Negotiation Advertisement */ +#define EMAC_PHY_REG_ANLPAR 0x05 /**< Auto-Neg. Link Partner Abitily */ +#define EMAC_PHY_REG_ANER 0x06 /**< Auto-Neg. Expansion Register */ +#define EMAC_PHY_REG_ANNPTR 0x07 /**< Auto-Neg. Next Page TX */ +#define EMAC_PHY_REG_LPNPA 0x08 + +/*********************************************************************//** + * Macro defines for PHY Extended Registers + **********************************************************************/ +#define EMAC_PHY_REG_STS 0x10 /**< Status Register */ +#define EMAC_PHY_REG_MICR 0x11 /**< MII Interrupt Control Register */ +#define EMAC_PHY_REG_MISR 0x12 /**< MII Interrupt Status Register */ +#define EMAC_PHY_REG_FCSCR 0x14 /**< False Carrier Sense Counter */ +#define EMAC_PHY_REG_RECR 0x15 /**< Receive Error Counter */ +#define EMAC_PHY_REG_PCSR 0x16 /**< PCS Sublayer Config. and Status */ +#define EMAC_PHY_REG_RBR 0x17 /**< RMII and Bypass Register */ +#define EMAC_PHY_REG_LEDCR 0x18 /**< LED Direct Control Register */ +#define EMAC_PHY_REG_PHYCR 0x19 /**< PHY Control Register */ +#define EMAC_PHY_REG_10BTSCR 0x1A /**< 10Base-T Status/Control Register */ +#define EMAC_PHY_REG_CDCTRL1 0x1B /**< CD Test Control and BIST Extens. */ +#define EMAC_PHY_REG_EDCR 0x1D /**< Energy Detect Control Register */ + +/*********************************************************************//** + * Macro defines for PHY Basic Mode Control Register + **********************************************************************/ +#define EMAC_PHY_BMCR_RESET (1<<15) /**< Reset bit */ +#define EMAC_PHY_BMCR_LOOPBACK (1<<14) /**< Loop back */ +#define EMAC_PHY_BMCR_SPEED_SEL (1<<13) /**< Speed selection */ +#define EMAC_PHY_BMCR_AN (1<<12) /**< Auto Negotiation */ +#define EMAC_PHY_BMCR_POWERDOWN (1<<11) /**< Power down mode */ +#define EMAC_PHY_BMCR_ISOLATE (1<<10) /**< Isolate */ +#define EMAC_PHY_BMCR_RE_AN (1<<9) /**< Restart auto negotiation */ +#define EMAC_PHY_BMCR_DUPLEX (1<<8) /**< Duplex mode */ + +/*********************************************************************//** + * Macro defines for PHY Basic Mode Status Status Register + **********************************************************************/ +#define EMAC_PHY_BMSR_100BE_T4 (1<<15) /**< 100 base T4 */ +#define EMAC_PHY_BMSR_100TX_FULL (1<<14) /**< 100 base full duplex */ +#define EMAC_PHY_BMSR_100TX_HALF (1<<13) /**< 100 base half duplex */ +#define EMAC_PHY_BMSR_10BE_FULL (1<<12) /**< 10 base T full duplex */ +#define EMAC_PHY_BMSR_10BE_HALF (1<<11) /**< 10 base T half duplex */ +#define EMAC_PHY_BMSR_NOPREAM (1<<6) /**< MF Preamable Supress */ +#define EMAC_PHY_BMSR_AUTO_DONE (1<<5) /**< Auto negotiation complete */ +#define EMAC_PHY_BMSR_REMOTE_FAULT (1<<4) /**< Remote fault */ +#define EMAC_PHY_BMSR_NO_AUTO (1<<3) /**< Auto Negotiation ability */ +#define EMAC_PHY_BMSR_LINK_ESTABLISHED (1<<2) /**< Link status */ + +/*********************************************************************//** + * Macro defines for PHY Status Register + **********************************************************************/ +#define EMAC_PHY_SR_REMOTE_FAULT (1<<6) /**< Remote Fault */ +#define EMAC_PHY_SR_JABBER (1<<5) /**< Jabber detect */ +#define EMAC_PHY_SR_AUTO_DONE (1<<4) /**< Auto Negotiation complete */ +#define EMAC_PHY_SR_LOOPBACK (1<<3) /**< Loop back status */ +#define EMAC_PHY_SR_DUP (1<<2) /**< Duplex status */ +#define EMAC_PHY_SR_SPEED (1<<1) /**< Speed status */ +#define EMAC_PHY_SR_LINK (1<<0) /**< Link Status */ + +#define EMAC_PHY_FULLD_100M 0x2100 /**< Full Duplex 100Mbit */ +#define EMAC_PHY_HALFD_100M 0x2000 /**< Half Duplex 100Mbit */ +#define EMAC_PHY_FULLD_10M 0x0100 /**< Full Duplex 10Mbit */ +#define EMAC_PHY_HALFD_10M 0x0000 /**< Half Duplex 10MBit */ +#define EMAC_PHY_AUTO_NEG 0x3000 /**< Select Auto Negotiation */ + +#define EMAC_DEF_ADR 0x0100 /**< Default PHY device address */ +#define EMAC_DP83848C_ID 0x20005C90 /**< PHY Identifier */ + +#define EMAC_PHY_SR_100_SPEED ((1<<14)|(1<<13)) +#define EMAC_PHY_SR_FULL_DUP ((1<<14)|(1<<12)) +#define EMAC_PHY_BMSR_LINK_STATUS (1<<2) /**< Link status */ + +#elif defined(IAR_LPC_1768) +/* KSZ8721BL PHY definition ------------------------------------------------------------ */ +/** PHY device reset time out definition */ +#define EMAC_PHY_RESP_TOUT 0x100000UL + +/* ENET Device Revision ID */ +#define EMAC_OLD_EMAC_MODULE_ID 0x39022000 /**< Rev. ID for first rev '-' */ + +/*********************************************************************//** + * Macro defines for KSZ8721BL PHY Registers + **********************************************************************/ +#define EMAC_PHY_REG_BMCR 0x00 /**< Basic Mode Control Register */ +#define EMAC_PHY_REG_BMSR 0x01 /**< Basic Mode Status Register */ +#define EMAC_PHY_REG_IDR1 0x02 /**< PHY Identifier 1 */ +#define EMAC_PHY_REG_IDR2 0x03 /**< PHY Identifier 2 */ +#define EMAC_PHY_REG_ANAR 0x04 /**< Auto-Negotiation Advertisement */ +#define EMAC_PHY_REG_ANLPAR 0x05 /**< Auto-Neg. Link Partner Abitily */ +#define EMAC_PHY_REG_ANER 0x06 /**< Auto-Neg. Expansion Register */ +#define EMAC_PHY_REG_ANNPTR 0x07 /**< Auto-Neg. Next Page TX */ +#define EMAC_PHY_REG_LPNPA 0x08 /**< Link Partner Next Page Ability */ +#define EMAC_PHY_REG_REC 0x15 /**< RXError Counter Register */ +#define EMAC_PHY_REG_ISC 0x1b /**< Interrupt Control/Status Register */ +#define EMAC_PHY_REG_100BASE 0x1f /**< 100BASE-TX PHY Control Register */ + +/*********************************************************************//** + * Macro defines for PHY Basic Mode Control Register + **********************************************************************/ +#define EMAC_PHY_BMCR_RESET (1<<15) /**< Reset bit */ +#define EMAC_PHY_BMCR_LOOPBACK (1<<14) /**< Loop back */ +#define EMAC_PHY_BMCR_SPEED_SEL (1<<13) /**< Speed selection */ +#define EMAC_PHY_BMCR_AN (1<<12) /**< Auto Negotiation */ +#define EMAC_PHY_BMCR_POWERDOWN (1<<11) /**< Power down mode */ +#define EMAC_PHY_BMCR_ISOLATE (1<<10) /**< Isolate */ +#define EMAC_PHY_BMCR_RE_AN (1<<9) /**< Restart auto negotiation */ +#define EMAC_PHY_BMCR_DUPLEX (1<<8) /**< Duplex mode */ +#define EMAC_PHY_BMCR_COLLISION (1<<7) /**< Collision test */ +#define EMAC_PHY_BMCR_TXDIS (1<<0) /**< Disable transmit */ + +/*********************************************************************//** + * Macro defines for PHY Basic Mode Status Register + **********************************************************************/ +#define EMAC_PHY_BMSR_100BE_T4 (1<<15) /**< 100 base T4 */ +#define EMAC_PHY_BMSR_100TX_FULL (1<<14) /**< 100 base full duplex */ +#define EMAC_PHY_BMSR_100TX_HALF (1<<13) /**< 100 base half duplex */ +#define EMAC_PHY_BMSR_10BE_FULL (1<<12) /**< 10 base T full duplex */ +#define EMAC_PHY_BMSR_10BE_HALF (1<<11) /**< 10 base T half duplex */ +#define EMAC_PHY_BMSR_NOPREAM (1<<6) /**< MF Preamable Supress */ +#define EMAC_PHY_BMSR_AUTO_DONE (1<<5) /**< Auto negotiation complete */ +#define EMAC_PHY_BMSR_REMOTE_FAULT (1<<4) /**< Remote fault */ +#define EMAC_PHY_BMSR_NO_AUTO (1<<3) /**< Auto Negotiation ability */ +#define EMAC_PHY_BMSR_LINK_STATUS (1<<2) /**< Link status */ +#define EMAC_PHY_BMSR_JABBER_DETECT (1<<1) /**< Jabber detect */ +#define EMAC_PHY_BMSR_EXTEND (1<<0) /**< Extended support */ + +/*********************************************************************//** + * Macro defines for PHY Identifier + **********************************************************************/ +/* PHY Identifier 1 bitmap definitions */ +#define EMAC_PHY_IDR1(n) (n & 0xFFFF) /**< PHY ID1 Number */ + +/* PHY Identifier 2 bitmap definitions */ +#define EMAC_PHY_IDR2(n) (n & 0xFFFF) /**< PHY ID2 Number */ + +/*********************************************************************//** + * Macro defines for Auto-Negotiation Advertisement + **********************************************************************/ +#define EMAC_PHY_AN_NEXTPAGE (1<<15) /**< Next page capable */ +#define EMAC_PHY_AN_REMOTE_FAULT (1<<13) /**< Remote Fault support */ +#define EMAC_PHY_AN_PAUSE (1<<10) /**< Pause support */ +#define EMAC_PHY_AN_100BASE_T4 (1<<9) /**< T4 capable */ +#define EMAC_PHY_AN_100BASE_TX_FD (1<<8) /**< TX with Full-duplex capable */ +#define EMAC_PHY_AN_100BASE_TX (1<<7) /**< TX capable */ +#define EMAC_PHY_AN_10BASE_T_FD (1<<6) /**< 10Mbps with full-duplex capable */ +#define EMAC_PHY_AN_10BASE_T (1<<5) /**< 10Mbps capable */ +#define EMAC_PHY_AN_FIELD(n) (n & 0x1F) /**< Selector Field */ + +#define EMAC_PHY_FULLD_100M 0x2100 /**< Full Duplex 100Mbit */ +#define EMAC_PHY_HALFD_100M 0x2000 /**< Half Duplex 100Mbit */ +#define EMAC_PHY_FULLD_10M 0x0100 /**< Full Duplex 10Mbit */ +#define EMAC_PHY_HALFD_10M 0x0000 /**< Half Duplex 10MBit */ +#define EMAC_PHY_AUTO_NEG 0x3000 /**< Select Auto Negotiation */ + +#define EMAC_PHY_SR_100_SPEED ((1<<14)|(1<<13)) +#define EMAC_PHY_SR_FULL_DUP ((1<<14)|(1<<12)) + +#define EMAC_DEF_ADR (0x01<<8) /**< Default PHY device address */ +#define EMAC_KSZ8721BL_ID ((0x22 << 16) | 0x1619 ) /**< PHY Identifier */ +#endif + +/** + * @} + */ + + +/* Public Types --------------------------------------------------------------- */ +/** @defgroup EMAC_Public_Types EMAC Public Types + * @{ + */ + +/* Descriptor and status formats ---------------------------------------------- */ + +/** + * @brief RX Descriptor structure type definition + */ +typedef struct { + uint32_t Packet; /**< Receive Packet Descriptor */ + uint32_t Ctrl; /**< Receive Control Descriptor */ +} RX_Desc; + +/** + * @brief RX Status structure type definition + */ +typedef struct { + uint32_t Info; /**< Receive Information Status */ + uint32_t HashCRC; /**< Receive Hash CRC Status */ +} RX_Stat; + +/** + * @brief TX Descriptor structure type definition + */ +typedef struct { + uint32_t Packet; /**< Transmit Packet Descriptor */ + uint32_t Ctrl; /**< Transmit Control Descriptor */ +} TX_Desc; + +/** + * @brief TX Status structure type definition + */ +typedef struct { + uint32_t Info; /**< Transmit Information Status */ +} TX_Stat; + + +/** + * @brief TX Data Buffer structure definition + */ +typedef struct { + uint32_t ulDataLen; /**< Data length */ + uint32_t *pbDataBuf; /**< A word-align data pointer to data buffer */ +} EMAC_PACKETBUF_Type; + +/** + * @brief EMAC configuration structure definition + */ +typedef struct { + uint32_t Mode; /**< Supported EMAC PHY device speed, should be one of the following: + - EMAC_MODE_AUTO + - EMAC_MODE_10M_FULL + - EMAC_MODE_10M_HALF + - EMAC_MODE_100M_FULL + - EMAC_MODE_100M_HALF + */ + uint8_t *pbEMAC_Addr; /**< Pointer to EMAC Station address that contains 6-bytes + of MAC address, it must be sorted in order (bEMAC_Addr[0]..[5]) + */ +} EMAC_CFG_Type; + +/** Ethernet block power/clock control bit*/ +#define CLKPWR_PCONP_PCENET ((uint32_t)(1<<30)) + +#ifdef __cplusplus +} +#endif + +#endif /* LPC17XX_EMAC_H_ */ + +/** + * @} + */ + +/* --------------------------------- End Of File ------------------------------ */
--- a/arch/lpc_emac_config.h Fri Jun 22 09:32:29 2012 +0000 +++ b/arch/lpc_emac_config.h Fri Jun 22 11:17:21 2012 +0000 @@ -1,45 +1,45 @@ -/********************************************************************** -* $Id$ lpc_emac_config.h 2011-11-20 -*//** -* @file lpc_emac_config.h -* @brief PHY and EMAC configuration file -* @version 1.0 -* @date 20 Nov. 2011 -* @author NXP MCU SW Application Team -* -* Copyright(C) 2011, NXP Semiconductor -* All rights reserved. -* -*********************************************************************** -* Software that is described herein is for illustrative purposes only -* which provides customers with programming information regarding the -* products. This software is supplied "AS IS" without any warranties. -* NXP Semiconductors assumes no responsibility or liability for the -* use of the software, conveys no license or title under any patent, -* copyright, or mask work right to the product. NXP Semiconductors -* reserves the right to make changes in the software without -* notification. NXP Semiconductors also make no representation or -* warranty that such application will be suitable for the specified -* use without further testing or modification. +/********************************************************************** +* $Id$ lpc_emac_config.h 2011-11-20 +*//** +* @file lpc_emac_config.h +* @brief PHY and EMAC configuration file +* @version 1.0 +* @date 20 Nov. 2011 +* @author NXP MCU SW Application Team +* +* Copyright(C) 2011, NXP Semiconductor +* All rights reserved. +* +*********************************************************************** +* Software that is described herein is for illustrative purposes only +* which provides customers with programming information regarding the +* products. This software is supplied "AS IS" without any warranties. +* NXP Semiconductors assumes no responsibility or liability for the +* use of the software, conveys no license or title under any patent, +* copyright, or mask work right to the product. NXP Semiconductors +* reserves the right to make changes in the software without +* notification. NXP Semiconductors also make no representation or +* warranty that such application will be suitable for the specified +* use without further testing or modification. **********************************************************************/ #ifndef __LPC_EMAC_CONFIG_H #define __LPC_EMAC_CONFIG_H #include "lwip/opt.h" - + #ifdef __cplusplus extern "C" { #endif - -/** @defgroup lwip_phy_config LWIP PHY configuration - * @ingroup lwip_phy - * - * Configuration options for the PHY connected to the LPC EMAC. - * @{ - */ - + +/** @defgroup lwip_phy_config LWIP PHY configuration + * @ingroup lwip_phy + * + * Configuration options for the PHY connected to the LPC EMAC. + * @{ + */ + /** \brief The PHY address connected the to MII/RMII */ #define LPC_PHYDEF_PHYADDR 1 /**< The PHY address on the PHY device. */ @@ -62,18 +62,18 @@ * operation if PHY_USE_AUTONEG is not enabled. */ #define PHY_USE_100MBS 1 /**< Sets data rate to 100Mbps. */ - -/** - * @} + +/** + * @} */ - -/** @defgroup lwip_emac_config LWIP EMAC configuration - * @ingroup lwip_emac - * - * Configuration options for the LPC EMAC. - * @{ + +/** @defgroup lwip_emac_config LWIP EMAC configuration + * @ingroup lwip_emac + * + * Configuration options for the LPC EMAC. + * @{ */ - + /** \brief Selects RMII or MII connection type in the EMAC peripheral */ #define LPC_EMAC_RMII 1 /**< Use the RMII or MII driver variant .*/ @@ -87,21 +87,21 @@ * be a minimum value of 2. */ #define LPC_NUM_BUFF_TXDESCS 3 - -/** \brief Set this define to 1 to enable bounce buffers for transmit pbufs - * that cannot be sent via the zero-copy method. Some chained pbufs - * may have a payload address that links to an area of memory that - * cannot be used for transmit DMA operations. If this define is - * set to 1, an extra check will be made with the pbufs. If a buffer - * is determined to be non-usable for zero-copy, a temporary bounce - * buffer will be created and used instead. - */ -#define LPC_TX_PBUF_BOUNCE_EN 0 - -/** - * @} + +/** \brief Set this define to 1 to enable bounce buffers for transmit pbufs + * that cannot be sent via the zero-copy method. Some chained pbufs + * may have a payload address that links to an area of memory that + * cannot be used for transmit DMA operations. If this define is + * set to 1, an extra check will be made with the pbufs. If a buffer + * is determined to be non-usable for zero-copy, a temporary bounce + * buffer will be created and used instead. */ - +#define LPC_TX_PBUF_BOUNCE_EN 1 + +/** + * @} + */ + #ifdef __cplusplus } #endif
--- a/arch/lpc_phy_dp83848.c Fri Jun 22 09:32:29 2012 +0000 +++ b/arch/lpc_phy_dp83848.c Fri Jun 22 11:17:21 2012 +0000 @@ -90,8 +90,8 @@ #define DP8_PHYID1_OUI 0x2000 /**< Expected PHY ID1 */ #define DP8_PHYID2_OUI 0x5c90 /**< Expected PHY ID2 */ -/** \brief PHY status structure used to indicate current status of PHY. - */ +/** \brief PHY status structure used to indicate current status of PHY. + */ typedef struct { u32_t phy_speed_100mbs:1; /**< 10/100 MBS connection speed flag. */ u32_t phy_full_duplex:1; /**< Half/full duplex connection speed flag. */ @@ -129,28 +129,28 @@ /* Full or half duplex */ if (linksts & DP8_FULLDUPLEX) - physts.phy_full_duplex = 1; + physts.phy_full_duplex = 1; else physts.phy_full_duplex = 0; - - /* Configure 100MBit/10MBit mode. */ + + /* Configure 100MBit/10MBit mode. */ if (linksts & DP8_SPEED10MBPS) physts.phy_speed_100mbs = 0; - else + else physts.phy_speed_100mbs = 1; if (physts.phy_speed_100mbs != olddphysts.phy_speed_100mbs) { changed = 1; if (physts.phy_speed_100mbs) { - /* 100MBit mode. */ + /* 100MBit mode. */ lpc_emac_set_speed(1); NETIF_INIT_SNMP(netif, snmp_ifType_ethernet_csmacd, 100000000); } else { - /* 10MBit mode. */ + /* 10MBit mode. */ lpc_emac_set_speed(0); - + NETIF_INIT_SNMP(netif, snmp_ifType_ethernet_csmacd, 10000000); } @@ -197,7 +197,7 @@ * controlled by setting up configuration defines in lpc_phy.h. * * \param[in] netif NETIF structure - * \param[in] rmii If set, configures the PHY for RMII mode + * \param[in] rmii If set, configures the PHY for RMII mode * \return ERR_OK if the setup was successful, otherwise ERR_TIMEOUT */ err_t lpc_phy_init(struct netif *netif, int rmii) @@ -211,19 +211,19 @@ phyustate = 0; /* Only first read and write are checked for failure */ - /* Put the DP83848C in reset mode and wait for completion */ + /* Put the DP83848C in reset mode and wait for completion */ if (lpc_mii_write(DP8_BMCR_REG, DP8_RESET) != 0) - return ERR_TIMEOUT; + return ERR_TIMEOUT; i = 400; while (i > 0) { - msDelay(1); /* 1 ms */ + osDelay(1); /* 1 ms */ if (lpc_mii_read(DP8_BMCR_REG, &tmp) != 0) return ERR_TIMEOUT; - - if (!(tmp & (DP8_RESET | DP8_POWER_DOWN))) + + if (!(tmp & (DP8_RESET | DP8_POWER_DOWN))) i = -1; else - i--; + i--; } /* Timeout? */ if (i == 0) @@ -280,8 +280,8 @@ return changed; } -/** - * @} +/** + * @} */ /* --------------------------------- End Of File ------------------------------ */