📄 main.#2
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//------------------------------------------------------------------------------// main.c//------------------------------------------------------------------------------// Copyright (C) 2005 Silicon Laboratories, Inc.//// Date: 05/19/06 09:38:45// Target: C8051F34x //// Description:// This file contains the main routine, MCU initialization code, and// callback functions used by the TCP/IP Library.//// Generated by TCP/IP Configuration Wizard Version 3//#include "mn_userconst.h" // TCP/IP Library Constants#include "mn_stackconst.h" // TCP/IP Library Constants#include "mn_errs.h" // Library Error Codes#include "mn_defs.h" // Library Type definitions#include "mn_funcs.h" // Library Function Prototypes#include "VFILE_DIR\index.h"
#include <string.h> // Standard 'C' Libraries
#include <intrins.h>
#include <stdio.h>
#include <ctype.h> #include <c8051F340.h> // Device-specific SFR Definitions#include "CP2200DK.H"
//------------------------------------------------------------------------------// Function Prototypes//------------------------------------------------------------------------------ sbit LED=P2^4;// Initialization Routinesvoid PORT_Init (void);void SYSCLK_Init (void);void EMIF_Init(void);int establish_network_connection();
void add();void Timer2_Init(void);
void get_data (PSOCKET_INFO socket_ptr);
void DelayMs(unsigned int n);//延时(n)MS
SystemInit();//系统配置
SysClkInit();//配置系统时钟
void SysClkInit(void);/配置系统时钟
void SystemInit(void);/系统配置
void PortInit(void);/端口配置
unsigned char num_buff[4]={0,20,30,40};
unsigned char HTML_BUFFER[400];
unsigned char num;
//-----------------------------------------------------------------------------
// 16-bit SFR Definitions for 'F34x
//-----------------------------------------------------------------------------
sfr16 TMR2RL = 0xca; // Timer2 reload value
sfr16 TMR2 = 0xcc; // Timer2 counter
sfr16 ADC0 = 0xbd; // ADC0 data register
//------------------------------------------------------------------------------
// Global Constants
//------------------------------------------------------------------------------
#define SYSCLK 48000000L // System Clock Frequency in Hz
#define T2_OVERFLOW_RATE 80L // Timer 2 Overflow Rate in Hz
//-----------------------------------------------------------------------------
// Main Routine
//-----------------------------------------------------------------------------
void main(void)
{
unsigned char KeyBuff;
// Disable watchdog timer
PCA0MD&=~0x40;//禁止看门狗定时器
// Initialize the MCU
//PORT_Init();
//SYSCLK_Init();
//EMIF_Init();
//Timer2_Init();
SystemInit();//系统配置
SysClkInit();//配置系统时钟
Uart0Init();//串口初始化
Uart0SendString("OK\n",3);
LED=0;
while(1)
{ /* KeyBuff=KeyScan();
if(KeyBuff==1)
{ LED=1;
DelayMs(100);
LED=0;
num=Uart0Get();
} */
KeyBuff=KeyScan();
if(KeyBuff==1)
{
LED=1;
DelayMs(100);
LED=0;
Uart0SendString("KEY1\n",5);
}
if(KeyBuff==2)
{
LED=1;
DelayMs(100);
LED=0;
Uart0SendString("KEY2\n",5);
}
if(KeyBuff==3)
{
LED=1;
DelayMs(100);
LED=0;
Uart0SendString("KEY3\n",5);
}
// Initialize the TCP/IP stack.
/* if (mn_init() < 0)
{
// If code execution enters this while(1) loop, the stack failed to initialize.
// Verify that all boards are connected and powered properly.
while(1);
}
// Connect to the network
establish_network_connection();
// Add web page to virtual file system.
// The main page MUST be called index.htm or index.html.
mn_vf_set_entry((byte *)"index.html", INDEX_SIZE, index_html, VF_PTYPE_FLASH);
// Add CGI Script to Virtual File System
mn_pf_set_entry
(
(byte*)"get_data", // Script Name (ASCII)
get_data // Function Pointer
);
//add();
// Start the Application Layer Services.
mn_server();
//add(); */
}
}
//-----------------------------------------------------------------------------
// establish_network_connection
//-----------------------------------------------------------------------------
//
// This function calls mn_ether_init() to initialize the CP2200 and attach to
// the network.
//
// If there is a network connection, the function returns 1.
//
// If there is no network connection, the function waits until either a
// connection appears or the CP2200 is reset before calling mn_ether_init()
// again. (The application may perform other tasks while polling
// link_status and ether_reset).
//
int establish_network_connection()
{
int retval;
do
{
// mn_ether_init() initializes the Ethernet controller.
// AUTO_NEG indicates that the controller will auto-negotiate.
retval = mn_ether_init(AUTO_NEG, 3, 0);
// If there is no link, poll link_status until it sets or the
// CP2200 resets and then call mn_ether_init() again.
if (retval == LINK_FAIL)
{
while(!link_status && !ether_reset);
}
// If retval is less than zero and is not AUTO_NEG_FAIL, there is a
// hardware error.
else if ((retval < 0) && (retval != AUTO_NEG_FAIL))
{
// Verify that the Ethernet controller is connected and powered properly.
// Verity that the EMIF has been configured at a speed compatible with the
// Ethernet controller.
while(1);
}
}while((retval < 0) && (retval != AUTO_NEG_FAIL));
return (1);
}//-----------------------------------------------------------------------------
// Interrupt Service Routines
//-----------------------------------------------------------------------------
//-----------------------------------------------------------------------------
// Timer2_ISR (T2_OVERFLOW_RATE Hz)
//-----------------------------------------------------------------------------
//
void Timer2_ISR (void) interrupt 5
{
// Define static counters for real time clock (RTC).
static unsigned int RTC_counter = 0;
// Clear Timer 2 Overflow Flag
TF2H = 0;
// Check if one second has passed and update RTC.
if(RTC_counter >= T2_OVERFLOW_RATE){
// Clear counter and update real time clock
RTC_counter = 0;
num_buff[0]++;
//netfinder_update_RTC();
} else {
// Increment interrupt count
RTC_counter++;
}
}
//-----------------------------------------------------------------------------
// CGI Script: get_data
//-----------------------------------------------------------------------------
//
// This routine is called when the following is typed into the address bar
// of a web browser:
//
// http://<ip-address>/get_data?arg1=hello&arg2=donotdisplay
//
// where <ip-address> = the IP address of the embedded system
//void get_data (PSOCKET_INFO socket_ptr)
{
byte msg_buff1[50];
int status1,status2,status3;
// Search for the type field and store the result in <msg_buff1>.
status1 = mn_http_find_value (BODYptr, (byte*)"b1", msg_buff1);
// Check status1 and status2 to determine if msg_buff1 and msg_buff2 are valid.
if(status1){
// num_buff[0]=2;
num_buff[1]=2;
sprintf(HTML_BUFFER, "<html><body bgcolor=blue text=yellow><center><span style=\"font-family: sans-serif; font-size: 28pt; font-weight: bold;\">%d.%d</span></center></body></html>",num,num_buff[1]);
// Fill the socket with data to send.
socket_ptr->send_ptr = HTML_BUFFER;
socket_ptr->send_len = strlen(HTML_BUFFER);
}
status2 = mn_http_find_value (BODYptr, (byte*)"b2", msg_buff1);
if(status2){
num_buff[0]=3;
num_buff[1]=3;
sprintf(HTML_BUFFER, "<html><body bgcolor=blue text=yellow><center><span style=\"font-family: sans-serif; font-size: 28pt; font-weight: bold;\">%d.%d</span></center></body></html>",num,num_buff[1]);
// Fill the socket with data to send.
socket_ptr->send_ptr = HTML_BUFFER;
socket_ptr->send_len = strlen(HTML_BUFFER);
}
status3 = mn_http_find_value (BODYptr, (byte*)"To", msg_buff1);
if(status3){
//sprintf(HTML_BUFFER, "<html><body bgcolor=blue text=yellow><center><span style=\"font-family: sans-serif; font-size: 28pt; font-weight: bold;\">%d.%d</span></center></body></html>",num_buff[0],num_buff[1]);
sprintf(HTML_BUFFER, "<html><body bgcolor=blue text=yellow><center><span style=\"font-family: sans-serif; font-size: 28pt; font-weight: bold;\">%s</span></center></body></html>",msg_buff1);
// Fill the socket with data to send.
socket_ptr->send_ptr = HTML_BUFFER;
socket_ptr->send_len = strlen(HTML_BUFFER);
}
}
//-----------------------------------------------------------------------------// Initialization Routines//-----------------------------------------------------------------------------//-----------------------------------------------------------------------------// PORT_Init//-----------------------------------------------------------------------------//// Configure the Interrupts, Crossbar and GPIO ports//void PORT_Init (void){ IT01CF = 0x07; // Enable Interrupt 0 on P0.7 TCON &= ~0x01; // Make /INT0 level triggered XBR0 = 0x01; // Enable UART on P0.4(TX) and P0.5(RX) XBR1 = 0x40; // Enable crossbar and enable // weak pull-ups P0MDOUT = 0x40; // enable UTX as push-pull output P1MDOUT = 0xC8; // /WR and /RD are push-pull P2MDOUT = 0xF0; P3MDOUT = 0xFF; P4MDOUT = 0xFF;
P0MDIN = 0xF3;
P1MDIN = 0xDF;
P2MDIN = 0xF0;
P0SKIP = 0x0C;
P1SKIP = 0x20;}//-----------------------------------------------------------------------------// EMIF_Init//-----------------------------------------------------------------------------//// Configure the External Memory Interface for both on and off-chip access.//void EMIF_Init (void){ EMI0CF = 0x0B; // Multiplex mode EMI0TC = EMIF_TIMING; // This constant may be modified // according to SYSCLK to meet the // timing requirements for the CP2200 EMI0CN = BASE_ADDRESS; // Page of XRAM accessed by EMIF}//-----------------------------------------------------------------------------// SYSCLK_Init//-----------------------------------------------------------------------------//// This routine initializes the system clock.//void SYSCLK_Init (void){ int i; OSCICN = 0x03; // Configure internal oscillator for // its maximum frequency CLKMUL = 0x00; // Reset Clock Multiplier and select // internal oscillator as input source CLKMUL |= 0x80; // Enable the Clock Multiplier for(i = 0; i < 256; i++); // Delay at least 5us CLKMUL |= 0xC0; // Initialize the Clock Multiplier while(!(CLKMUL & 0x20)); // Wait for MULRDY => 1 RSTSRC = 0x04; // Enable missing clock detector // and VDD monitor FLSCL |= 0x10; // Set Flash Scale for 48MHz CLKSEL |= 0x03; // Select output of clock multiplier // as the system clock.}//-----------------------------------------------------------------------------
// Timer2_Init
//-----------------------------------------------------------------------------
//
// This routine initializes Timer 2 to <T2_OVERFLOW_RATE> Hz.
//
void Timer2_Init(void)
{
TMR2CN = 0x00; // Stop Timer2; Use SYSCLK/12 as timebase
CKCON &= ~0x60; // Timer2 clock based on T2XCLK;
// Initialize Reload Value
TMR2RL = -(SYSCLK/12/T2_OVERFLOW_RATE);
TMR2 = TMR2RL;
ET2 = 1; // Enable Timer 2 interrupts
TR2 = 1; // Start Timer 2
}//-----------------------------------------------------------------------------// ether_reset_low//-----------------------------------------------------------------------------//// This routine drives the reset pin of the ethernet controller low.//void ether_reset_low(){ P0 &= ~0x40; // Pull reset low}//-----------------------------------------------------------------------------// ether_reset_high//-----------------------------------------------------------------------------//// This routine places the reset pin in High-Z allowing it to be pulled up // using the external pull-up resistor.//// Additionally, this routine waits for the reset pin to read high before// exiting.//void ether_reset_high (void){ P0 |= 0x40; // Allow /RST to rise while(!(P0 & 0x40)); // Wait for /RST to go high}
void DelayMs(unsigned int n)//延时(n)MS
{
unsigned int i;
for(;n>0;n--)
{
for(i=1200;i>0;i--);
}
}
void SysClkInit(void)//配置系统时钟
{
OSCICN=0x83;
RSTSRC=0x04;
}
void SystemInit(void)//系统配置
{
PCA0MD&=~0x40;//禁止看门狗定时器
//EA=1;
}
void PortInit(void)//端口配置
{
P0MDIN = 0xF3;
P1MDIN = 0xDF;
P2MDIN = 0xF0;
P0MDOUT = 0x40;
P2MDOUT = 0xF0;
P0SKIP = 0x0C;
P1SKIP = 0x20;
XBR0 = 0x01;
XBR1 = 0x40;
} ⌨️ 快捷键说明
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