2015年（7）
分类： 嵌入式
2015-06-24 00:06:04
原文地址：Uip + Stm32移植问题总结 作者：hitzds
前一篇：
后一篇：
#include "uip.h"
#include "ENC28J60.h"
/*---------------------------------------------------------------------------*/
void
tapdev_init(unsigned char *my_mac)
{
enc28j60Init(my_mac);
}
/*---------------------------------------------------------------------------*/
unsigned int
tapdev_read(void)
{
return enc28j60PacketReceive(UIP_CONF_BUFFER_SIZE,uip_buf);
}
/*---------------------------------------------------------------------------*/
void
tapdev_send(void)
{
enc28j60PacketSend(uip_len,uip_buf);
}
/*---------------------------------------------------------------------------*/
#include "clock-arch.h"
#include "stm32f10x.h"
extern __IO int32_t g_RunTime;
/*---------------------------------------------------------------------------*/
clock_time_t
clock_time(void)
{
return g_RunTime;
}
/*---------------------------------------------------------------------------*/
__IO int32_t g_RunTime = 0;
void SysTick_Handler(void)
{
static uint8_t s_count = 0;
if (++s_count >= 10)
{
s_count = 0;
g_RunTime++; /* 全局运行时间每10ms增1 */
if (g_RunTime == 0x80000000)
{
g_RunTime = 0;
}
}
}
#define UIP_CONF_LOGGING 0 //logging off typedef int uip_tcp_appstate_t; //出错可注释 typedef int uip_udp_appstate_t; //出错可注释 /*#include "smtp.h"*/ /*#include "hello-world.h"*/ /*#include "telnetd.h"*/ /*#include "webserver.h"*/ /*#include "dhcpc.h"*/ /*#include "resolv.h"*/ /*#include "webclient.h"*/ #include "app_call.h" //加入一个Uip的数据接口文件
#include "stm32f10x.h"
#ifndef UIP_APPCALL
#define UIP_APPCALL Uip_Appcall
#endif
#ifndef UIP_UDP_APPCALL
#define UIP_UDP_APPCALL Udp_Appcall
#endif
void Uip_Appcall(void);
void Udp_Appcall(void);
void Uip_Appcall(void)
{
}
void Udp_Appcall(void)
{
}
#include "stm32f10x.h"
#include "stdio.h"
#include "string.h"
#include "uip.h"
#include "uip_arp.h"
#include "tapdev.h"
#include "timer.h"
#include "ENC28J60.h"
#include "SPI.h"
#define PRINTF_ON 1
#define BUF ((struct uip_eth_hdr *)&uip_buf[0])
#ifndef NULL
#define NULL (void *)0
#endif /* NULL */
static unsigned char mymac[6] = {0x04,0x02,0x35,0x00,0x00,0x01};
void RCC_Configuration(void);
void GPIO_Configuration(void);
void USART_Configuration(void);
int main(void)
{
int i;
uip_ipaddr_t ipaddr;
struct timer periodic_timer, arp_timer;
RCC_Configuration();
GPIO_Configuration();
USART_Configuration();
SPInet_Init();
timer_set(&periodic_timer, CLOCK_SECOND / 2);
timer_set(&arp_timer, CLOCK_SECOND * 10);
SysTick_Config(72000); //配置滴答计时器
//以太网控制器驱动初始化
tapdev_init(mymac);
//Uip 协议栈初始化
uip_init();
uip_ipaddr(ipaddr, 192, 168, 1, 15); //配置Ip
uip_sethostaddr(ipaddr);
uip_ipaddr(ipaddr, 192, 168, 1, 1); //配置网关
uip_setdraddr(ipaddr);
uip_ipaddr(ipaddr, 255, 255, 255, 0); //配置子网掩码
uip_setnetmask(ipaddr);
while(1){
uip_len = tapdev_read(); //从网卡读取数据
if(uip_len > 0)
{ //如果数据存在则按协议处理
if(BUF->type == htons(UIP_ETHTYPE_IP)) { //如果收到的是IP数据，调用uip_input()处理
uip_arp_ipin();
uip_input();
/* If the above function invocation resulted in data that
should be sent out on the network, the global variable uip_len is set to a value > 0. */
if(uip_len > 0)
{
uip_arp_out();
tapdev_send();
}
}else if(BUF->type == htons(UIP_ETHTYPE_ARP)){ //如果收到的是ARP数据，调用uip_arp_arpin处理
uip_arp_arpin();
/* If the above function invocation resulted in data that
should be sent out on the network, the global variable uip_len is set to a value > 0. */
if(uip_len > 0)
{
tapdev_send();
}
}
}else if(timer_expired(&periodic_timer)){ //查看0.5s是否到了，调用uip_periodic处理TCP超时程序
timer_reset(&periodic_timer);
for(i = 0; i < UIP_CONNS; i++) {
uip_periodic(i);
/* If the above function invocation resulted in data that
should be sent out on the network, the global variable uip_len is set to a value > 0. */
if(uip_len > 0)
{
uip_arp_out();
tapdev_send();
}
}
for(i = 0; i < UIP_UDP_CONNS; i++)
{
uip_udp_periodic(i); //处理udp超时程序
/* If the above function invocation resulted in data that
should be sent out on the network, the global variable uip_len is set to a value > 0. */
if(uip_len > 0)
{
uip_arp_out();
tapdev_send();
}
}
/* Call the ARP timer function every 10 seconds. */ //10s到了就处理ARP
if(timer_expired(&arp_timer))
{
timer_reset(&arp_timer);
uip_arp_timer();
}
}
}
}
/*******************************Stm32 Set***************************************/
void GPIO_Configuration(void)
{
GPIO_InitTypeDef GPIO_InitStructure;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_9;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP;
GPIO_Init(GPIOA , &GPIO_InitStructure);
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_10;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN_FLOATING;
GPIO_Init(GPIOA , &GPIO_InitStructure);
}
void RCC_Configuration(void)
{
/* 定义枚举类型变量 HSEStartUpStatus */
ErrorStatus HSEStartUpStatus;
/* 复位系统时钟设置*/
RCC_DeInit();
/* 开启HSE*/
RCC_HSEConfig(RCC_HSE_ON);
/* 等待HSE起振并稳定*/
HSEStartUpStatus = RCC_WaitForHSEStartUp();
/* 判断HSE起是否振成功，是则进入if()内部 */
if(HSEStartUpStatus == SUCCESS)
{
/* 选择HCLK（AHB）时钟源为SYSCLK 1分频 */
RCC_HCLKConfig(RCC_SYSCLK_Div1);
/* 选择PCLK2时钟源为 HCLK（AHB） 1分频 */
RCC_PCLK2Config(RCC_HCLK_Div1);
/* 选择PCLK1时钟源为 HCLK（AHB） 2分频 */
RCC_PCLK1Config(RCC_HCLK_Div2);
/* 设置FLASH延时周期数为2 */
FLASH_SetLatency(FLASH_Latency_2);
/* 使能FLASH预取缓存 */
FLASH_PrefetchBufferCmd(FLASH_PrefetchBuffer_Enable);
/* 选择锁相环（PLL）时钟源为HSE 1分频，倍频数为9，则PLL输出频率为 8MHz * 9 = 72MHz */
RCC_PLLConfig(RCC_PLLSource_HSE_Div1, RCC_PLLMul_9);
/* 使能PLL */
RCC_PLLCmd(ENABLE);
/* 等待PLL输出稳定 */
while(RCC_GetFlagStatus(RCC_FLAG_PLLRDY) == RESET);
/* 选择SYSCLK时钟源为PLL */
RCC_SYSCLKConfig(RCC_SYSCLKSource_PLLCLK);
/* 等待PLL成为SYSCLK时钟源 */
while(RCC_GetSYSCLKSource() != 0x08);
}
/* 打开APB2总线上的GPIOA时钟*/
RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOA|RCC_APB2Periph_USART1, ENABLE);
}
void USART_Configuration(void)
{
USART_InitTypeDef USART_InitStructure;
USART_ClockInitTypeDef USART_ClockInitStructure;
USART_ClockInitStructure.USART_Clock = USART_Clock_Disable;
USART_ClockInitStructure.USART_CPOL = USART_CPOL_Low;
USART_ClockInitStructure.USART_CPHA = USART_CPHA_2Edge;
USART_ClockInitStructure.USART_LastBit = USART_LastBit_Disable;
USART_ClockInit(USART1 , &USART_ClockInitStructure);
USART_InitStructure.USART_BaudRate = 9600;
USART_InitStructure.USART_WordLength = USART_WordLength_8b;
USART_InitStructure.USART_StopBits = USART_StopBits_1;
USART_InitStructure.USART_Parity = USART_Parity_No;
USART_InitStructure.USART_HardwareFlowControl = USART_HardwareFlowControl_None;
USART_InitStructure.USART_Mode = USART_Mode_Rx|USART_Mode_Tx;
USART_Init(USART1,&USART_InitStructure);
USART_Cmd(USART1,ENABLE);
}
#if PRINTF_ON
int fputc(int ch,FILE *f)
{
USART_SendData(USART1,(u8) ch);
while(USART_GetFlagStatus(USART1,USART_FLAG_TC) == RESET);
return ch;
}
#endif