Adapted to Lora Semtech + Nucleo
Dependents: LoRaWAN-lmic-app LoRaWAN-lmic-app LoRaWAN-test-10secs LoRaPersonalizedDeviceForEverynet ... more
Fork of lwip_ppp_ethernet by
Diff: arch/lpc_phy_dp83848.c
- Revision:
- 2:1a87f74b8e3b
- Parent:
- 0:8e01dca41002
--- a/arch/lpc_phy_dp83848.c Thu May 24 16:49:41 2012 +0000 +++ b/arch/lpc_phy_dp83848.c Fri May 25 08:56:35 2012 +0000 @@ -1,11 +1,11 @@ /********************************************************************** -* $Id$ lpc_phy_dp83848.c 2011-11-20 +* $Id$ lpc_phy_dp83848.c 2011-11-20 *//** -* @file lpc_phy_dp83848.c -* @brief DP83848C PHY status and control. -* @version 1.0 -* @date 20 Nov. 2011 -* @author NXP MCU SW Application Team +* @file lpc_phy_dp83848.c +* @brief DP83848C PHY status and control. +* @version 1.0 +* @date 20 Nov. 2011 +* @author NXP MCU SW Application Team * * Copyright(C) 2011, NXP Semiconductor * All rights reserved. @@ -24,13 +24,16 @@ **********************************************************************/ #include "lwip/opt.h" + +#if NET_ETHERNET + #include "lwip/err.h" -#include "lwip/snmp.h" +#include "lwip/snmp.h" #include "lpc_emac_config.h" #include "lpc_phy.h" #include "sys_arch.h" -/** @defgroup dp83848_phy PHY status and control for the DP83848. +/** @defgroup dp83848_phy PHY status and control for the DP83848. * @ingroup lwip_phy * * Various functions for controlling and monitoring the status of the @@ -86,12 +89,12 @@ #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. */ - u32_t phy_link_active:1; /**< Phy link active flag. */ + u32_t phy_speed_100mbs:1; /**< 10/100 MBS connection speed flag. */ + u32_t phy_full_duplex:1; /**< Half/full duplex connection speed flag. */ + u32_t phy_link_active:1; /**< Phy link active flag. */ } PHY_STATUS_TYPE; /** \brief PHY update flags */ @@ -115,65 +118,65 @@ */ static s32_t lpc_update_phy_sts(struct netif *netif, u32_t linksts) { - s32_t changed = 0; + s32_t changed = 0; - /* Update link active status */ - if (linksts & DP8_VALID_LINK) - physts.phy_link_active = 1; - else - physts.phy_link_active = 0; + /* Update link active status */ + if (linksts & DP8_VALID_LINK) + physts.phy_link_active = 1; + else + physts.phy_link_active = 0; - /* Full or half duplex */ - if (linksts & DP8_FULLDUPLEX) - physts.phy_full_duplex = 1; - else - physts.phy_full_duplex = 0; - - /* Configure 100MBit/10MBit mode. */ - if (linksts & DP8_SPEED10MBPS) - physts.phy_speed_100mbs = 0; - else - physts.phy_speed_100mbs = 1; + /* Full or half duplex */ + if (linksts & DP8_FULLDUPLEX) + physts.phy_full_duplex = 1; + else + physts.phy_full_duplex = 0; - if (physts.phy_speed_100mbs != olddphysts.phy_speed_100mbs) { - changed = 1; - if (physts.phy_speed_100mbs) { - /* 100MBit mode. */ - lpc_emac_set_speed(1); + /* Configure 100MBit/10MBit mode. */ + if (linksts & DP8_SPEED10MBPS) + physts.phy_speed_100mbs = 0; + else + physts.phy_speed_100mbs = 1; + + if (physts.phy_speed_100mbs != olddphysts.phy_speed_100mbs) { + changed = 1; + if (physts.phy_speed_100mbs) { + /* 100MBit mode. */ + lpc_emac_set_speed(1); - NETIF_INIT_SNMP(netif, snmp_ifType_ethernet_csmacd, 100000000); - } - else { - /* 10MBit mode. */ - lpc_emac_set_speed(0); - - NETIF_INIT_SNMP(netif, snmp_ifType_ethernet_csmacd, 10000000); - } + NETIF_INIT_SNMP(netif, snmp_ifType_ethernet_csmacd, 100000000); + } + else { + /* 10MBit mode. */ + lpc_emac_set_speed(0); - olddphysts.phy_speed_100mbs = physts.phy_speed_100mbs; - } + NETIF_INIT_SNMP(netif, snmp_ifType_ethernet_csmacd, 10000000); + } + + olddphysts.phy_speed_100mbs = physts.phy_speed_100mbs; + } - if (physts.phy_full_duplex != olddphysts.phy_full_duplex) { - changed = 1; - if (physts.phy_full_duplex) - lpc_emac_set_duplex(1); - else - lpc_emac_set_duplex(0); + if (physts.phy_full_duplex != olddphysts.phy_full_duplex) { + changed = 1; + if (physts.phy_full_duplex) + lpc_emac_set_duplex(1); + else + lpc_emac_set_duplex(0); - olddphysts.phy_full_duplex = physts.phy_full_duplex; - } + olddphysts.phy_full_duplex = physts.phy_full_duplex; + } - if (physts.phy_link_active != olddphysts.phy_link_active) { - changed = 1; - if (physts.phy_link_active) - netif_set_link_up(netif); - else - netif_set_link_down(netif); + if (physts.phy_link_active != olddphysts.phy_link_active) { + changed = 1; + if (physts.phy_link_active) + netif_set_link_up(netif); + else + netif_set_link_down(netif); - olddphysts.phy_link_active = physts.phy_link_active; - } + olddphysts.phy_link_active = physts.phy_link_active; + } - return changed; + return changed; } /** \brief Initialize the DP83848 PHY. @@ -188,81 +191,83 @@ */ err_t lpc_phy_init(struct netif *netif) { - u32_t tmp; - s32_t i; + u32_t tmp; + s32_t i; - physts.phy_speed_100mbs = olddphysts.phy_speed_100mbs = 2; - physts.phy_full_duplex = olddphysts.phy_full_duplex = 2; - physts.phy_link_active = olddphysts.phy_link_active = 2; - phyustate = 0; + physts.phy_speed_100mbs = olddphysts.phy_speed_100mbs = 2; + physts.phy_full_duplex = olddphysts.phy_full_duplex = 2; + physts.phy_link_active = olddphysts.phy_link_active = 2; + phyustate = 0; - /* Only first read and write are checked for failure */ - /* Put the DP83848C in reset mode and wait for completion */ - if (lpc_mii_write(DP8_BMCR_REG, DP8_RESET) != 0) - return ERR_TIMEOUT; - i = 400; - while (i > 0) { - osDelay(1); /* 1 ms */ - if (lpc_mii_read(DP8_BMCR_REG, &tmp) != 0) - return ERR_TIMEOUT; - - if (!(tmp & (DP8_RESET | DP8_POWER_DOWN))) - i = -1; - else - i--; - } - /* Timeout? */ - if (i == 0) - return ERR_TIMEOUT; - - /* Setup link based on configuration options */ + /* Only first read and write are checked for failure */ + /* Put the DP83848C in reset mode and wait for completion */ + if (lpc_mii_write(DP8_BMCR_REG, DP8_RESET) != 0) + return ERR_TIMEOUT; + i = 400; + while (i > 0) { + osDelay(1); /* 1 ms */ + if (lpc_mii_read(DP8_BMCR_REG, &tmp) != 0) + return ERR_TIMEOUT; + + if (!(tmp & (DP8_RESET | DP8_POWER_DOWN))) + i = -1; + else + i--; + } + /* Timeout? */ + if (i == 0) + return ERR_TIMEOUT; + + /* Setup link based on configuration options */ #if PHY_USE_AUTONEG==1 - tmp = DP8_AUTONEG; + tmp = DP8_AUTONEG; #else - tmp = 0; + tmp = 0; #endif #if PHY_USE_100MBS==1 - tmp |= DP8_SPEED_SELECT; + tmp |= DP8_SPEED_SELECT; #endif #if PHY_USE_FULL_DUPLEX==1 - tmp |= DP8_DUPLEX_MODE; + tmp |= DP8_DUPLEX_MODE; #endif - lpc_mii_write(DP8_BMCR_REG, tmp); + lpc_mii_write(DP8_BMCR_REG, tmp); - /* The link is not set active at this point, but will be detected + /* The link is not set active at this point, but will be detected later */ - return ERR_OK; + return ERR_OK; } /* Phy status update state machine */ s32_t lpc_phy_sts_sm(struct netif *netif) { - s32_t changed = 0; + s32_t changed = 0; - switch (phyustate) { - default: - case 0: - /* Read BMSR to clear faults */ - lpc_mii_read_noblock(DP8_PHY_STAT_REG); - phyustate = 1; - break; + switch (phyustate) { + default: + case 0: + /* Read BMSR to clear faults */ + lpc_mii_read_noblock(DP8_PHY_STAT_REG); + phyustate = 1; + break; - case 1: - /* Wait for read status state */ - if (!lpc_mii_is_busy()) { - /* Update PHY status */ - changed = lpc_update_phy_sts(netif, lpc_mii_read_data()); - phyustate = 0; - } - break; - } + case 1: + /* Wait for read status state */ + if (!lpc_mii_is_busy()) { + /* Update PHY status */ + changed = lpc_update_phy_sts(netif, lpc_mii_read_data()); + phyustate = 0; + } + break; + } - return changed; + return changed; } -/** - * @} +#endif + +/** + * @} */ /* --------------------------------- End Of File ------------------------------ */