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;
}
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;
}
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;
}
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;
}