示例#1
0
error_t lan8720Init(NetInterface *interface)
{
   //Debug message
   TRACE_INFO("Initializing LAN8720...\r\n");

   //Reset PHY transceiver (soft reset)
   lan8720WritePhyReg(interface, LAN8720_PHY_REG_BMCR, BMCR_RESET);
   //Wait for the reset to complete
   while(lan8720ReadPhyReg(interface, LAN8720_PHY_REG_BMCR) & BMCR_RESET);

   //Dump PHY registers for debugging purpose
   lan8720DumpPhyReg(interface);

   //Successful initialization
   return NO_ERROR;
}
示例#2
0
error_t lan8720Init(NetInterface *interface)
{
   //Debug message
   TRACE_INFO("Initializing LAN8720...\r\n");

   //Reset PHY transceiver (soft reset)
   lan8720WritePhyReg(interface, LAN8720_PHY_REG_BMCR, BMCR_RESET);
   //Wait for the reset to complete
   while(lan8720ReadPhyReg(interface, LAN8720_PHY_REG_BMCR) & BMCR_RESET);

   //Dump PHY registers for debugging purpose
   lan8720DumpPhyReg(interface);

   //Force the TCP/IP stack to poll the link state at startup
   interface->phyEvent = TRUE;
   //Notify the TCP/IP stack of the event
   osSetEvent(&netEvent);

   //Successful initialization
   return NO_ERROR;
}
示例#3
0
error_t lan8720Init(NetInterface *interface)
{
//STM32F4-DISCOVERY evaluation board?
#if defined(USE_STM32F4_DISCOVERY)
   GPIO_InitTypeDef GPIO_InitStructure;

   //Debug message
   TRACE_INFO("Initializing LAN8720...\r\n");

   //Enable GPIOE clock
   RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_GPIOE, ENABLE);

   //Configure PE2 (PHY_RST) pin as an output
   GPIO_InitStructure.GPIO_Pin = GPIO_Pin_2;
   GPIO_InitStructure.GPIO_Mode = GPIO_Mode_OUT;
   GPIO_InitStructure.GPIO_OType = GPIO_OType_PP;
   GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_NOPULL;
   GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
   GPIO_Init(GPIOE, &GPIO_InitStructure);

   //Reset PHY transceiver (hard reset)
   GPIO_ResetBits(GPIOE, GPIO_Pin_2);
   sleep(10);
   GPIO_SetBits(GPIOE, GPIO_Pin_2);
   sleep(10);
#endif

   //Reset PHY transceiver (soft reset)
   lan8720WritePhyReg(interface, LAN8720_PHY_REG_BMCR, BMCR_RESET);
   //Wait for the reset to complete
   while(lan8720ReadPhyReg(interface, LAN8720_PHY_REG_BMCR) & BMCR_RESET);

   //Dump PHY registers for debugging purpose
   lan8720DumpPhyReg(interface);

   //Successful initialization
   return NO_ERROR;
}
示例#4
0
文件: lan8720.c 项目: rpc-fw/analyzer
error_t lan8720Init(NetInterface *interface)
{
//LPC1830-Xplorer evaluation board?
#if defined(USE_LPC1830_XPLORER)
   //Debug message
   TRACE_INFO("Initializing LAN8720...\r\n");

   //Enable GPIO peripheral clock
   LPC_CCU1->CLK_M3_GPIO_CFG |= CCU1_CLK_M3_GPIO_CFG_RUN_Msk;
   while(!(LPC_CCU1->CLK_M3_GPIO_STAT & CCU1_CLK_M3_GPIO_STAT_RUN_Msk));

   //Configure P1.0 as a general purpose output
   LPC_SCU->SFSP1_0 = 0;
   LPC_GPIO_PORT->DIR[0] |= (1 << 4);

   //Reset PHY transceiver (hard reset)
   LPC_GPIO_PORT->CLR[0] = (1 << 4);
   sleep(10);
   LPC_GPIO_PORT->SET[0] = (1 << 4);
   sleep(10);

//LPC4330-Xplorer evaluation board?
#elif defined(USE_LPC4330_XPLORER)
   //Debug message
   TRACE_INFO("Initializing LAN8720...\r\n");

   //Enable GPIO peripheral clock
   LPC_CCU1->CLK_M4_GPIO_CFG |= CCU1_CLK_M4_GPIO_CFG_RUN_Msk;
   while(!(LPC_CCU1->CLK_M4_GPIO_STAT & CCU1_CLK_M4_GPIO_STAT_RUN_Msk));

   //Configure P6.1 as a general purpose output
   LPC_SCU->SFSP6_1 = 0;
   LPC_GPIO_PORT->DIR[3] |= (1 << 0);

   //Reset PHY transceiver (hard reset)
   LPC_GPIO_PORT->CLR[3] = (1 << 0);
   sleep(10);
   LPC_GPIO_PORT->SET[3] = (1 << 0);
   sleep(10);

//STM32F4-DISCOVERY evaluation board?
#elif defined(USE_STM32F4_DISCOVERY)
   GPIO_InitTypeDef GPIO_InitStructure;

   //Debug message
   TRACE_INFO("Initializing LAN8720...\r\n");

   //Enable GPIOE clock
   RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_GPIOE, ENABLE);

   //Configure PE2 (PHY_RST) pin as an output
   GPIO_InitStructure.GPIO_Pin = GPIO_Pin_2;
   GPIO_InitStructure.GPIO_Mode = GPIO_Mode_OUT;
   GPIO_InitStructure.GPIO_OType = GPIO_OType_PP;
   GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_NOPULL;
   GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
   GPIO_Init(GPIOE, &GPIO_InitStructure);

   //Reset PHY transceiver (hard reset)
   GPIO_ResetBits(GPIOE, GPIO_Pin_2);
   sleep(10);
   GPIO_SetBits(GPIOE, GPIO_Pin_2);
   sleep(10);
#endif

   //Reset PHY transceiver (soft reset)
   lan8720WritePhyReg(interface, LAN8720_PHY_REG_BMCR, BMCR_RESET);
   //Wait for the reset to complete
   while(lan8720ReadPhyReg(interface, LAN8720_PHY_REG_BMCR) & BMCR_RESET);

   //Dump PHY registers for debugging purpose
   lan8720DumpPhyReg(interface);

   //Successful initialization
   return NO_ERROR;
}