263 lines
7.8 KiB
C
263 lines
7.8 KiB
C
#include "includes.h"
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#include "Lan8720.h"
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#include "gd32f4xx.h"
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//#include "gd32f4xx_gpio.h"
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#include "pdebug.h"
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#include "bsp_os.h"
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//#include "gd32f4xx_enet.h"
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#include "gd32f4xx_it.h"
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#include "lwip/tcpip.h"
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#include "lwip/raw.h"
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#include "lwip/icmp.h"
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#include "lwip/dhcp.h"
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#include "lwip/netif.h"
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#include "lwip/sys.h"
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#include "lwip/timers.h"
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#include "lwip/inet_chksum.h"
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#include "lwip/init.h"
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#include "netif/etharp.h"
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unsigned char g_local_ip[4] = {192,168,8,200}; //本地默认ip
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unsigned char g_local_mac[] = {0x42, 0x00, 0x00, 0x00, 0x00, 0x01}; //默认mac地址42:00:00:00:00:01
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unsigned char g_netmask[4] = {255,255,255,0}; //子网掩码
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unsigned char g_gateway[4] = {172,16,19,254}; //网关
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//unsigned char gCfgLoca_MAC[] = {0x02, 0x0A, 0x0D, 0x0E, 0x0F, 0x06};
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unsigned char gCfgLoca_MAC[] = {0x42, 0x00, 0x00, 0x00, 0x00, 0x01};
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uint8_t gCfgLoca_MAC[];
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__IO uint32_t enet_init_status = 0;//用于以太网初始化状态判断
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char Enet_init_status;
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struct netif fsl_netif0;
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extern err_t ethernetif_init(struct netif *netif);
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extern err_t ethernetif_input(struct netif *netif);
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//初始化交换机
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static void Lan8720_gpio_Init(void)
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{
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//IO总线时钟使能
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rcu_periph_clock_enable(RCU_GPIOA);
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rcu_periph_clock_enable(RCU_GPIOB);
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rcu_periph_clock_enable(RCU_GPIOC);
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rcu_periph_clock_enable(RCU_GPIOD);
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rcu_periph_clock_enable(RCU_GPIOG);
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rcu_periph_clock_enable(RCU_GPIOH);
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rcu_periph_clock_enable(RCU_GPIOI);
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//使能系统时钟
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rcu_periph_clock_enable(RCU_SYSCFG);
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//选择RMII模式
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syscfg_enet_phy_interface_config(SYSCFG_ENET_PHY_RMII);
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//PA1：REF_CLK 时钟引脚，外部PHY提供50M
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gpio_mode_set(GPIOA, GPIO_MODE_AF, GPIO_PUPD_NONE, GPIO_PIN_1);
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gpio_output_options_set(GPIOA, GPIO_OTYPE_PP, GPIO_OSPEED_50MHZ,GPIO_PIN_1);
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//PA2: ETH_MDIO
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gpio_mode_set(GPIOA, GPIO_MODE_AF, GPIO_PUPD_NONE, GPIO_PIN_2);
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gpio_output_options_set(GPIOA, GPIO_OTYPE_PP, GPIO_OSPEED_50MHZ,GPIO_PIN_2);
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//PA7: ETH_RMII_CRS_DV
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gpio_mode_set(GPIOA, GPIO_MODE_AF, GPIO_PUPD_NONE, GPIO_PIN_7);
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gpio_output_options_set(GPIOA, GPIO_OTYPE_PP, GPIO_OSPEED_50MHZ,GPIO_PIN_7);
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//引脚复用
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gpio_af_set(GPIOA, GPIO_AF_11, GPIO_PIN_1);
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gpio_af_set(GPIOA, GPIO_AF_11, GPIO_PIN_2);
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gpio_af_set(GPIOA, GPIO_AF_11, GPIO_PIN_7);
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//PB11: ETH_RMII_TX_EN
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gpio_mode_set(GPIOB, GPIO_MODE_AF, GPIO_PUPD_NONE, GPIO_PIN_11);
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gpio_output_options_set(GPIOB, GPIO_OTYPE_PP, GPIO_OSPEED_50MHZ,GPIO_PIN_11);
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//PB12: ETH_RMII_TXD0
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gpio_mode_set(GPIOB, GPIO_MODE_AF, GPIO_PUPD_NONE, GPIO_PIN_12);
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gpio_output_options_set(GPIOB, GPIO_OTYPE_PP, GPIO_OSPEED_50MHZ,GPIO_PIN_12);
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//PB13: ETH_RMII_TXD1
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gpio_mode_set(GPIOB, GPIO_MODE_AF, GPIO_PUPD_NONE, GPIO_PIN_13);
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gpio_output_options_set(GPIOB, GPIO_OTYPE_PP, GPIO_OSPEED_50MHZ,GPIO_PIN_13);
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gpio_af_set(GPIOB, GPIO_AF_11, GPIO_PIN_11);
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gpio_af_set(GPIOB, GPIO_AF_11, GPIO_PIN_12);
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gpio_af_set(GPIOB, GPIO_AF_11, GPIO_PIN_13);
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//PC1: ETH_MDC
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gpio_mode_set(GPIOC, GPIO_MODE_AF, GPIO_PUPD_NONE, GPIO_PIN_1);
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gpio_output_options_set(GPIOC, GPIO_OTYPE_PP, GPIO_OSPEED_50MHZ,GPIO_PIN_1);
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//PC4: ETH_RMII_RXD0
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gpio_mode_set(GPIOC, GPIO_MODE_AF, GPIO_PUPD_NONE, GPIO_PIN_4);
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gpio_output_options_set(GPIOC, GPIO_OTYPE_PP, GPIO_OSPEED_50MHZ,GPIO_PIN_4);
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//PC5: ETH_RMII_RXD1
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gpio_mode_set(GPIOC, GPIO_MODE_AF, GPIO_PUPD_NONE, GPIO_PIN_5);
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gpio_output_options_set(GPIOC, GPIO_OTYPE_PP, GPIO_OSPEED_50MHZ,GPIO_PIN_5);
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gpio_af_set(GPIOC, GPIO_AF_11, GPIO_PIN_1);
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gpio_af_set(GPIOC, GPIO_AF_11, GPIO_PIN_4);
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gpio_af_set(GPIOC, GPIO_AF_11, GPIO_PIN_5);
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}
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//初始化MAC/DMA
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static void Enet_MAC_DMA_config(void)
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{
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ErrStatus reval_state = ERROR;
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rcu_periph_clock_enable(RCU_ENET);//使能以太网总线时钟
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rcu_periph_clock_enable(RCU_ENETTX);//使能发送时钟
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rcu_periph_clock_enable(RCU_ENETRX);//使能接收时钟
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enet_deinit();//复位总线时钟AHB
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reval_state = enet_software_reset();//等待时钟复位完成
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if(ERROR == reval_state){//复位失败
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while(1){
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}
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}
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//以太网设备初始化
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#ifdef CHECKSUM_BY_HARDWARE//不定义
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enet_init_status = enet_init(ENET_AUTO_NEGOTIATION, ENET_AUTOCHECKSUM_DROP_FAILFRAMES, ENET_BROADCAST_FRAMES_PASS);
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#else //PHY自动协商、禁用IP帧校验功能、地址过滤器通过所有接收到的广播帧 ENET_100M_FULLDUPLEX/ENET_AUTO_NEGOTIATION
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enet_init_status = enet_init(ENET_AUTO_NEGOTIATION, ENET_NO_AUTOCHECKSUM, ENET_BROADCAST_FRAMES_PASS);
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#endif /* CHECKSUM_BY_HARDWARE */
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/*注：当前使用的LAN8720PHY芯片只能使用自动协商模式，手动模式无法通信（LAN8720自身bug）*/
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}
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//中断嵌套向量配置
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static void Nvic_configuration(void)
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{
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//配置中断嵌套基地址,,,使用Flash base address基地址，偏移量位应用程序偏移量（待boot使用后使能）
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// nvic_vector_table_set(NVIC_VECTTAB_FLASH, 0x0);
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//使能以太网中断请求
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nvic_irq_enable(ENET_IRQn, 2, 3);
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}
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void Lan8720_Init(void)
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{
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// 中断嵌套向量配置
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Nvic_configuration();
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// RMII模式、时钟、引脚配置
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Lan8720_gpio_Init();
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//MAC/DMA配置
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Enet_MAC_DMA_config();
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if(0 == enet_init_status){//初始化DMA失败
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Enet_init_status = 0;
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term_printf("\n Lan8720 Init fail 0 \r\n\r\n");
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}else{
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term_printf("\n Lan8720 Init success 1 \r\n\r\n");
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Enet_init_status = 1;
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}
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//以太网正常中断启用
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enet_interrupt_enable(ENET_DMA_INT_NIE);
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//接收中断使能
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enet_interrupt_enable(ENET_DMA_INT_RIE);
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BSP_IntVectSet(77,ENET_IRQHandler);
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BSP_IntEn(77);
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}
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unsigned int Lwip_init(void)
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{
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ip_addr_t fsl_netif0_ipaddr, fsl_netif0_netmask, fsl_netif0_gw;
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pdebug(DEBUG_LEVEL_INFO,"tcp ip init begin!\r\n");
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tcpip_init(NULL, NULL);
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OSTimeDlyHMSM(0, 0, 0, 100);
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pdebug(DEBUG_LEVEL_INFO,"tcp ip init ok!\r\n");
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#if LWIP_DHCP
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fsl_netif0_ipaddr.addr=0;
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fsl_netif0_netmask.addr=0;
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fsl_netif0_gw.addr=0;
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#else
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IP4_ADDR(&fsl_netif0_ipaddr, g_local_ip[0],g_local_ip[1],g_local_ip[2],g_local_ip[3]);
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IP4_ADDR(&fsl_netif0_netmask, g_netmask[0],g_netmask[1],g_netmask[2],g_netmask[3]);
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IP4_ADDR(&fsl_netif0_gw, g_gateway[0],g_gateway[1],g_gateway[2],g_gateway[3]);
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u8_t *ip = (u8_t*)&fsl_netif0_ipaddr.addr;
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pdebug(DEBUG_LEVEL_INFO,"set net ip: %u.%u.%u.%u \r\n",ip[0], ip[1],ip[2], ip[3]);
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ip = (u8_t*)&fsl_netif0_netmask.addr;
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pdebug(DEBUG_LEVEL_INFO,"set net mask: %u.%u.%u.%u \r\n",ip[0], ip[1],ip[2], ip[3]);
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ip = (u8_t*)&fsl_netif0_gw.addr;
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pdebug(DEBUG_LEVEL_INFO,"set net gw: %u.%u.%u.%u \r\n",ip[0], ip[1],ip[2], ip[3]);
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#endif
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netif_add(&fsl_netif0, &fsl_netif0_ipaddr, &fsl_netif0_netmask, &fsl_netif0_gw, NULL, ethernetif_init, ethernet_input);
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netif_set_default(&fsl_netif0);
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netif_set_up(&fsl_netif0);
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#if LWIP_DHCP
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dhcp_start(&fsl_netif0);
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int i = sys_now();
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int time = 0;
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while((fsl_netif0.dhcp->offered_ip_addr.addr == 0) || (fsl_netif0.dhcp->offered_gw_addr.addr == 0) || (fsl_netif0.dhcp->offered_sn_mask.addr == 0))
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{
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if(sys_now()- i > 8000) {
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i = sys_now();
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dhcp_start(&fsl_netif0);
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// 超时3次
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time++;
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if (time > 3) {
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break;
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}
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}
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OSTimeDlyHMSM(0, 0, 0, 100);
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}
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dhcp_fine_tmr();
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netif_set_addr(&fsl_netif0, &(fsl_netif0.dhcp->offered_ip_addr), &(fsl_netif0.dhcp->offered_sn_mask), &(fsl_netif0.dhcp->offered_gw_addr));
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netif_set_default(&fsl_netif0);
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netif_set_up(&fsl_netif0);
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u8_t *ip = (u8_t*)&fsl_netif0.ip_addr.addr;
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ip = (u8_t*)&fsl_netif0.dhcp->offered_sn_mask;
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ip = (u8_t*)&fsl_netif0.dhcp->offered_gw_addr;
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#endif
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term_printf("\n Lwip Init success \r\n\r\n");
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return 0;
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}
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/// 以太网模块初始化
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///
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/// 初始化底层mac控制器，phy芯片，OSLwip,创建任务
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/// @param none
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/// @param none
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/// @return none
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/// @note 修改日志
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/// gkl与2017-05-26创建
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/// LH于2022-05-12修改
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void init_enet_module()
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{
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// 初始化mac控制器，phy芯片
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Lan8720_Init();
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// 初始化Lwip_Init相关功能模块
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Lwip_init();
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}
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