📄 main.c
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/******************************************************************************
** Copyright(C) jerkoh
** CPU:C8051F020
** MAC+PHY:CP2200
** RAM:256+4096 byte
** Flash:64k byte
** OSC:22.118400Mhz
** Tcp/ip protocol stack: Adam Dunkels uip1.0
** Written for Keil C51 V9.00
** compiler Model:large Level:8
** Email:jerkoh@163.com
******************************************************************************/
/******************************************************************************
** log:
** 10-02-06 创建工程c8051f020_uip1.0 搭建编译环境
******************************************************************************/
#include "main.h"
extern void app1_init(void);
extern u8_t xdata my_hwaddr[6];
#define BUF ((struct uip_eth_hdr *)&uip_buf[0])
#define USE_STATIC_IP //dhcp 不使能
u8_t code cdbuf[34]={0xc0,0xa8,0x02,0xEA, /*192.168.2.234*/
0xff,0xff,0xff,0x00, /*255.255.255.0*/
0xc0,0xa8,0x02,0x01, /*192.168.2.1*/
0x0f,0xa1, /*4001*/
0xce,0xb4,0xc9,0xe8,0xd6,0xc3,0xc9,0xe8,0xb1,0xb8, /*未设置设备名称*/
0xc3,0xfb,0xb3,0xc6,0x00,0x00,0x00,0x00,0x00,0x00};
unsigned int Count1msInc;
unsigned char Count1ms,Count10ms,Count1s;
unsigned char TimeSecond,TimeMinute;
clock_time_t tick_cnt;
clock_time_t clock_time(void)
{
return tick_cnt;
}
void main(void)
{
u8_t i;
uip_ipaddr_t ipaddr;
struct timer periodic_timer, arp_timer;
static struct uip_eth_addr sTempAddr;
WDTCN = 0xDE; /* Disable watchdog timer*/
WDTCN = 0xAD;
SYSCLK_Init(); /* initialize oscillator*/
PORT_Init();
//UART0_Init();
Timer0_Init();
Timer2_Init();
timer_set(&periodic_timer, CLOCK_CONF_SECOND / 2);
timer_set(&arp_timer, CLOCK_CONF_SECOND * 10);
EA=1;
// init_Timer();
uip_init();
app1_init();
etherdev_init();
uip_arp_init();
#ifdef USE_STATIC_IP
uip_ipaddr(ipaddr, 192,168,0,100);
uip_sethostaddr(ipaddr);
uip_ipaddr(ipaddr, 192,168,0,1);
uip_setdraddr(ipaddr);
uip_ipaddr(ipaddr, 255,255,255,0);
uip_setnetmask(ipaddr);
#endif
httpd_init();
sTempAddr.addr[0] = my_hwaddr[0];
sTempAddr.addr[1] = my_hwaddr[1];
sTempAddr.addr[2] = my_hwaddr[2];
sTempAddr.addr[3] = my_hwaddr[3];
sTempAddr.addr[4] = my_hwaddr[4];
sTempAddr.addr[5] = my_hwaddr[5];
#ifndef USE_STATIC_IP
//
// Initialize the DHCP Client Application.
//
dhcpc_init(&sTempAddr.addr[0], 6);
dhcpc_request();
#endif
/* by gjk read flash128byte ip,subnet,gateway,port*/
flash_Pageerase(0x0000,1);
Delay1ms(100);
flash_write(0x0000,cdbuf,1);
Delay1ms(100);
Delay1ms(100);
flash_read(0x0000,cdbuf,1);
while(1)
{
uip_len = etherdev_read();
if(uip_len > 0)
{
if(BUF->type == htons(UIP_ETHTYPE_IP))
{
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();
etherdev_send();
}
}
else if(BUF->type == htons(UIP_ETHTYPE_ARP)) {
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)
{
etherdev_send();
}
}
}
else if(timer_expired(&periodic_timer))
{
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();
etherdev_send();
}
}
#if UIP_UDP
for(i = 0; i < UIP_UDP_CONNS; i++)
{
uip_udp_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();
etherdev_send();
}
}
#endif /* UIP_UDP */
/* Call the ARP timer function every 10 seconds. */
if(timer_expired(&arp_timer))
{
timer_reset(&arp_timer);
uip_arp_timer();
}
}
}
return;
}
//*****************************************************************************
//
// Callback for when DHCP client has been configured.
//
//*****************************************************************************
void
dhcpc_configured(const struct dhcpc_state *s)
{
uip_sethostaddr(&s->ipaddr);
uip_setnetmask(&s->netmask);
uip_setdraddr(&s->default_router);
//DisplayIPAddress((void *)&s->ipaddr, 18, 24);
}
/*------------------------------------------------------------------*/
void PORT_Init (void)
{
P0MDOUT |= 0x81; /* enable TX0 as a push-pull output*/
P1MDOUT |= 0x4f; /*Set P1.6(TB_LED) to push-pull*/ P2MDOUT |= 0x28; /* Set P2.2(AB4_LED1)*/ P74OUT = 0xFF; /*推挽方式*/
P3MDOUT |= 0Xff;
P4 = 0xC0; /* /WR, /RD, are high, RESET is low*/ P5 = 0xFF; P6 = 0xFF; /* P5, P6 contain the address lines*/ P7 = 0xFF; /* P7 contains the data lines*/ TCON &= ~0x01; /*Make /INT0 level triggered*/ /*定时器控制寄存器*/
/*Enable UART0, CP0, and /INT0. This puts /INT0 on P0.3*/ XBR0 = 0x84; /*CP0连接到端口引脚 RX0 TX0 连接到2个端口引脚*/ XBR1 = 0x04; /*INT0连接到端口引脚*/ XBR2 = 0x40; /*交叉开关允许*/
TCON &= ~0x01; /* Make /INT0 level triggered*/
EMI0CF = 0xFB; /* Split-mode, non-multiplexed on P0 - P3*/ /*外部存储器接口配置 P4-P7 非复用*/
/*ALE高低电平宽度 =4个sysclk周期*/
/*带块选择的分片 方式 ，寻址低于 4KB边界的地址时*/
/*访问 片内 存储器 ，反之，访问片外存储器。*/
/*8位片外MOVX操作使用EMI0CN的内容作为地址的高字节*/
EMI0TC = 0xef; /* This constant may be modified*/ /* according to SYSCLK to meet the*/ /* timing requirements for the CP2200*/ /* 外部 存储器时序控制*/
/*11 1011 11 =0xEF*/
/*地址建立时间 3个SYSCLK周期 11 */
/*WR和/RD脉宽= 12个SYSCLK周期 1011*/
/* 地址保持时间 =3个SYSCLK周期 11 */
EMI0CN = 0x20; /* Page of XRAM accessed by EMIF*/
/* XRAM页选择位，当使用8位的MOVX命令时XRAM页选择位提供16位*/
/*外部数据存储器地址的高字节，实际上是 选择一个256B的RAM页 */
/* 0x2000__0x20ff 外部存储器接口控制*/
/* EX0 = 1; */
}
/********************************************************************************
// 初始化定时器0
********************************************************************************/
void Timer0_Init (void)
{
CKCON|=0x8; /* 时钟控制寄存器 计数器/定时器使用系统时钟*/
TMOD|=0x1; /*16Bit 方式1 16位计数器/定时器*/
Count10ms=10;
Count1s=0;
TR0 = 0; /* STOP Timer0*/
TH0 = (-SYSCLK/1000) >> 8; /* set Timer0 to overflow in 1ms*/
TL0 = -SYSCLK/1000;
TR0 = 1; /* START Timer0*/
IE|= 0x2;
}
/********************************************************************************
** 晶振初始化
********************************************************************************/
void SYSCLK_Init (void)
{
int i; /* delay counter*/ OSCXCN = 0x67; /* start external oscillator with*/ /* 22.1184MHz crystal*/ for (i=0; i < 256; i++) ; /* wait for oscillator to start*/ while (!(OSCXCN & 0x80)) ; /* Wait for crystal osc. to settle*/ OSCICN = 0x88; /*select external oscillator as SYSCLK*/ /* source and enable missing clock*/ /* detector*/
}
/********************************************************************************
// 定时器0 溢处 中断
********************************************************************************/
void Timer0_ISR (void) interrupt 1 /*1ms*/
{
TH0 = (-SYSCLK/1000) >> 8;
TL0 = -SYSCLK/1000;
tick_cnt++;
if (Count1ms) Count1ms--;
Count1msInc++;
if (Count10ms) Count10ms--;
else
{
Count10ms=10; /*10ms*/
if (Count1s) Count1s--;
else
{
Count1s=100; /*1s*/
TimeSecond++;
if (TimeSecond>=60)
{
TimeSecond=0; /*1min*/
TimeMinute++;
if (TimeMinute==60) TimeMinute=0;
}
}
}
}
/***************************************************************************
** Timer 2 interrupt service routing. Intr vector location is
** address 0x002B. The timer generates an interrupt every 25 msec
** It is set to auto reload so do not need to reload it.
***************************************************************************/
void timer2_interrupt(void) interrupt 5 //对应TIME2中断
{
TF2 = 0; // Clear interrupt flag
}
/***************************************************************************
** Setup Timer2 in mode 1 which is 16 bit auto reload
** Intr rate = 22.1184 MHz /(12 * (65536 - reload value))
** For 25 msec reload value = 19456 = 0x4C00
***************************************************************************/
void Timer2_Init(void)
{
T2CON = 0x00;
RCAP2H = 0x4C; // Reload value
RCAP2L = 0x00;
TH2 = 0x4C; // Initial load value
TL2 = 0x00;
TR2 = 1; // Timer 2 run
ET2 = 1; /* Enable timer 2 interrupt*/
}
/********************************************************************************
// 延 时 t ms
********************************************************************************/
void Delay1ms(unsigned char T)
{
Count1ms=T;
while (Count1ms);
}
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