easyweb.i

msp430 cs8900a msp430 servermsp430 servermsp430 servermsp430 servermsp430 server

 




 

const __no_init volatile unsigned short TAIV @ (0x012E);
__no_init volatile unsigned short TACTL @ (0x0160);
__no_init volatile unsigned short TACCTL0 @ (0x0162);
__no_init volatile unsigned short TACCTL1 @ (0x0164);
__no_init volatile unsigned short TACCTL2 @ (0x0166);
__no_init volatile unsigned short TAR @ (0x0170);
__no_init volatile unsigned short TACCR0 @ (0x0172);
__no_init volatile unsigned short TACCR1 @ (0x0174);
__no_init volatile unsigned short TACCR2 @ (0x0176);

 







 

const __no_init volatile unsigned short TBIV @ (0x011E);
__no_init volatile unsigned short TBCTL @ (0x0180);
__no_init volatile unsigned short TBCCTL0 @ (0x0182);
__no_init volatile unsigned short TBCCTL1 @ (0x0184);
__no_init volatile unsigned short TBCCTL2 @ (0x0186);
__no_init volatile unsigned short TBCCTL3 @ (0x0188);
__no_init volatile unsigned short TBCCTL4 @ (0x018A);
__no_init volatile unsigned short TBCCTL5 @ (0x018C);
__no_init volatile unsigned short TBCCTL6 @ (0x018E);
__no_init volatile unsigned short TBR @ (0x0190);
__no_init volatile unsigned short TBCCR0 @ (0x0192);
__no_init volatile unsigned short TBCCR1 @ (0x0194);
__no_init volatile unsigned short TBCCR2 @ (0x0196);
__no_init volatile unsigned short TBCCR3 @ (0x0198);
__no_init volatile unsigned short TBCCR4 @ (0x019A);
__no_init volatile unsigned short TBCCR5 @ (0x019C);
__no_init volatile unsigned short TBCCR6 @ (0x019E);




 






 

__no_init volatile unsigned char DCOCTL @ (0x0056);
__no_init volatile unsigned char BCSCTL1 @ (0x0057);
__no_init volatile unsigned char BCSCTL2 @ (0x0058);










 

__no_init volatile unsigned short FCTL1 @ (0x0128);
__no_init volatile unsigned short FCTL2 @ (0x012A);
__no_init volatile unsigned short FCTL3 @ (0x012C);








 

__no_init volatile unsigned char CACTL1 @ (0x0059);
__no_init volatile unsigned char CACTL2 @ (0x005A);
__no_init volatile unsigned char CAPD @ (0x005B);







 

__no_init volatile unsigned short ADC12CTL0 @ (0x01A0);
__no_init volatile unsigned short ADC12CTL1 @ (0x01A2);
__no_init volatile unsigned short ADC12IFG @ (0x01A4);
__no_init volatile unsigned short ADC12IE @ (0x01A6);
__no_init volatile unsigned short ADC12IV @ (0x01A8);

__no_init volatile unsigned short ADC12MEM0 @ (0x0140);
__no_init volatile unsigned short ADC12MEM1 @ (0x0142);
__no_init volatile unsigned short ADC12MEM2 @ (0x0144);
__no_init volatile unsigned short ADC12MEM3 @ (0x0146);
__no_init volatile unsigned short ADC12MEM4 @ (0x0148);
__no_init volatile unsigned short ADC12MEM5 @ (0x014A);
__no_init volatile unsigned short ADC12MEM6 @ (0x014C);
__no_init volatile unsigned short ADC12MEM7 @ (0x014E);
__no_init volatile unsigned short ADC12MEM8 @ (0x0150);
__no_init volatile unsigned short ADC12MEM9 @ (0x0152);
__no_init volatile unsigned short ADC12MEM10 @ (0x0154);
__no_init volatile unsigned short ADC12MEM11 @ (0x0156);
__no_init volatile unsigned short ADC12MEM12 @ (0x0158);
__no_init volatile unsigned short ADC12MEM13 @ (0x015A);
__no_init volatile unsigned short ADC12MEM14 @ (0x015C);
__no_init volatile unsigned short ADC12MEM15 @ (0x015E);

__no_init volatile unsigned char ADC12MCTL0 @ (0x0080);
__no_init volatile unsigned char ADC12MCTL1 @ (0x0081);
__no_init volatile unsigned char ADC12MCTL2 @ (0x0082);
__no_init volatile unsigned char ADC12MCTL3 @ (0x0083);
__no_init volatile unsigned char ADC12MCTL4 @ (0x0084);
__no_init volatile unsigned char ADC12MCTL5 @ (0x0085);
__no_init volatile unsigned char ADC12MCTL6 @ (0x0086);
__no_init volatile unsigned char ADC12MCTL7 @ (0x0087);
__no_init volatile unsigned char ADC12MCTL8 @ (0x0088);
__no_init volatile unsigned char ADC12MCTL9 @ (0x0089);
__no_init volatile unsigned char ADC12MCTL10 @ (0x008A);
__no_init volatile unsigned char ADC12MCTL11 @ (0x008B);
__no_init volatile unsigned char ADC12MCTL12 @ (0x008C);
__no_init volatile unsigned char ADC12MCTL13 @ (0x008D);
__no_init volatile unsigned char ADC12MCTL14 @ (0x008E);
__no_init volatile unsigned char ADC12MCTL15 @ (0x008F);

 



 


 





 





 
#pragma language=default



extern void DelayCycles(unsigned int Count);
extern void WriteDWBE(unsigned char *Add, unsigned long Data);
































                                                 
                                                 

                                                 
                                                 
                                        
                                                 



























typedef enum                                     
{                                                
  CLOSED,                                        
  LISTENING,
  SYN_SENT,
  SYN_RECD,
  ESTABLISHED,
  FIN_WAIT_1,
  FIN_WAIT_2,
  CLOSE_WAIT,
  CLOSING,
  LAST_ACK,
  TIME_WAIT
} TTCPStateMachine;

typedef enum                                     
{                                                
  ARP_REQUEST,                                   
  TCP_SYN_FRAME,
  TCP_SYN_ACK_FRAME,
  TCP_FIN_FRAME,
  TCP_DATA_FRAME
} TLastFrameSent;









void TCPLowLevelInit(void);                      
void TCPPassiveOpen(void);                       
void TCPActiveOpen(void);                        
void TCPClose(void);                             
void TCPReleaseRxBuffer(void);                   
void TCPTransmitTxBuffer(void);                  
void DoNetworkStuff(void);                       


extern const unsigned int MyIP[];                
extern const unsigned int SubnetMask[];          
extern const unsigned int GatewayIP[];           



extern unsigned char SocketStatus;               
extern unsigned int TCPLocalPort;                
extern unsigned int TCPRemotePort;
extern unsigned int RemoteMAC[3];                
extern unsigned int RemoteIP[2];                 
extern unsigned int TCPRxDataCount;              
extern unsigned int TCPTxDataCount;              
extern unsigned int TxFrame1Mem[];               
extern unsigned int RxTCPBufferMem[];            
















const unsigned char WebSide[] =
{
  "<html>\r\n"
  "<head>\r\n"
  "<meta http-equiv=\"refresh\" content=\"5\">\r\n"
  "<title>easyWEB - dynamic Webside</title>\r\n"
  "</head>\r\n"
  "\r\n"
  "<body bgcolor=\"#3030A0\" text=\"#FFFF00\">\r\n"
  "<p><b><font color=\"#FFFFFF\" size=\"6\"><i>Hello World!</i></font></b></p>\r\n"
  "\r\n"
  "<p><b>This is a dynamic webside hosted by the embedded Webserver</b> <b>easyWEB.</b></p>\r\n"
  "<p><b>Hardware:</b></p>\r\n"
  "<ul>\r\n"
  "<li><b>MSP430F149, 8 MHz, 60KB Flash, 2KB SRAM</b></li>\r\n"
  "<li><b>CS8900A Crystal Ethernet Controller</b></li>\r\n"
  "</ul>\r\n"
  "\r\n"
  "<p><b>A/D Converter Value Port P6.7:</b></p>\r\n"
  "\r\n"
  "<table bgcolor=\"#ff0000\" border=\"5\" cellpadding=\"0\" cellspacing=\"0\" width=\"500\">\r\n"
  "<tr>\r\n"
  "<td>\r\n"
  "<table width=\"AD7%\" border=\"0\" cellpadding=\"0\" cellspacing=\"0\">\r\n"
  "<tr><td bgcolor=\"#00ff00\">&nbsp;</td></tr>\r\n"
  "</table>\r\n"
  "</td>\r\n"
  "</tr>\r\n"
  "</table>\r\n"
  "\r\n"
  "<table border=\"0\" width=\"500\">\r\n"
  "<tr>\r\n"
  "<td width=\"20%\">0V</td>\r\n"
  "<td width=\"20%\">0.4V</td>\r\n"
  "<td width=\"20%\">0.7V</td>\r\n"
  "<td width=\"20%\">1.1V</td>\r\n"
  "<td width=\"20%\">1.5V</td>\r\n"
  "</tr>\r\n"
  "</table>\r\n"
  "\r\n"
  "<p><b>MCU Temperature:</b></p>\r\n"
  "\r\n"
  "<table bgcolor=\"#ff0000\" border=\"5\" cellpadding=\"0\" cellspacing=\"0\" width=\"500\">\r\n"
  "<tr>\r\n"
  "<td>\r\n"
  "<table width=\"ADA%\" border=\"0\" cellpadding=\"0\" cellspacing=\"0\">\r\n"
  "<tr><td bgcolor=\"#00ff00\">&nbsp;</td></tr> \r\n"
  "</table>\r\n"
  "</td>\r\n"
  "</tr>\r\n"
  "</table>\r\n"
  "\r\n"
  "<table border=\"0\" width=\"500\">\r\n"
  "<tr>\r\n"
  "<td width=\"20%\">0癈</td>\r\n"
  "<td width=\"20%\">10癈</td>\r\n"
  "<td width=\"20%\">20癈</td>\r\n"
  "<td width=\"20%\">30癈</td>\r\n"
  "<td width=\"20%\">40癈</td>\r\n"
  "</tr>\r\n"
  "</table>\r\n"
  "</body>\r\n"
  "</html>\r\n"
  "\r\n"
};

static const unsigned char GetResponse[] =       
{
  "HTTP/1.0 200 OK\r\n"                          
  "Content-Type: text/html\r\n"                  
  "\r\n"                                         
};

static unsigned char *PWebSide;                  
static unsigned int HTTPBytesToSend;             
static unsigned char HTTPStatus;                 









static const unsigned int Temp_Tab[] =
{
  0x064F,                                        
  0x0655,
  0x065B,
  0x0660,
  0x0666,
  0x066C,                                        
  0x0672,
  0x0678,
  0x067D,
  0x0683,
  0x0689,                                        
  0x068F,
  0x0695,
  0x069B,
  0x06A0,
  0x06A6,                                        
  0x06AC,
  0x06B2,
  0x06B8,
  0x06BD,
  0x06C3,                                        
  0x06C9,
  0x06CF,
  0x06D5,
  0x06DB,
  0x06E0,                                        
  0x06E6,
  0x06EC,
  0x06F2,
  0x06F8,
  0x06FD,                                        
  0x0703,
  0x0709,
  0x070F,
  0x0715,
  0x071B,                                        
  0x0720,
  0x0726,
  0x072C,
  0x0732,
  0x0738,                                        
  0x073D,
  0x0743,
  0x0749,
  0x074F,
  0x0755,                                        
  0x0FFF                                         
};



static void InitOsc(void);
static void InitPorts(void);
static void InitADC12(void);
static void HTTPServer(void);
static void InsertDynamicValues(void);
static unsigned int GetAD7Val(void);
static unsigned int GetTempVal(void);

void main(void)
{
  InitOsc();
  InitPorts();
  InitADC12();

  TCPLowLevelInit();

  __enable_interrupt();                          
















 

  HTTPStatus = 0;                                

  TCPLocalPort = 80;                  
  
  while (1)                                      
  {
    if (!(SocketStatus & (0x01))) TCPPassiveOpen();   
    
                                                           
    HTTPServer();
  }
}









static void HTTPServer(void)
{
  if (SocketStatus & (0x02))             
  {
    if (SocketStatus & (0x04))      
      TCPReleaseRxBuffer();                      

    if (SocketStatus & (0x08))     
    {
      if (!(HTTPStatus & (0x01)))        
      {                                          
        HTTPBytesToSend = sizeof(WebSide) - 1;   
        PWebSide = (unsigned char *)WebSide;     
      }

      if (HTTPBytesToSend > 768)     
      {
        if (!(HTTPStatus & (0x01)))           
        {
          memcpy(((unsigned char *)TxFrame1Mem + 14 + 20 + 20), GetResponse, sizeof(GetResponse) - 1);
          memcpy(((unsigned char *)TxFrame1Mem + 14 + 20 + 20) + sizeof(GetResponse) - 1, PWebSide,
            768 - sizeof(GetResponse) + 1);
          HTTPBytesToSend -= 768 - sizeof(GetResponse) + 1;
          PWebSide += 768 - sizeof(GetResponse) + 1;
        }
        else
        {
          memcpy(((unsigned char *)TxFrame1Mem + 14 + 20 + 20), PWebSide, 768);
          HTTPBytesToSend -= 768;
          PWebSide += 768;
        }
          
        TCPTxDataCount = 768;   
        InsertDynamicValues();                   
        TCPTransmitTxBuffer();                   
      }
      else if (HTTPBytesToSend)                  
      {
        memcpy(((unsigned char *)TxFrame1Mem + 14 + 20 + 20), PWebSide, HTTPBytesToSend);
        TCPTxDataCount = HTTPBytesToSend;        
        InsertDynamicValues();                   
        TCPTransmitTxBuffer();                   
        TCPClose();                              
        HTTPBytesToSend = 0;                     
      }

      HTTPStatus |= (0x01);              
    }
  }
  else
    HTTPStatus &= ~(0x01);               
}




static unsigned int GetAD7Val(void)
{
  ADC12MCTL0 = (1*0x10u) + (7);                  
  
  ADC12CTL0 |= (0x002);                              
  ADC12CTL0 |= (0x001);                          
  
  while (ADC12CTL0 & (0x001));                   
  
  ADC12CTL0 &= ~(0x002);                             

  return ADC12MEM0 >> 5;                         
}




static unsigned int GetTempVal(void)
{
  unsigned int i;
  unsigned int ADCResult;

  ADC12MCTL0 = (1*0x10u) + (10);                 

  ADC12CTL0 |= (0x002);                              
  ADC12CTL0 |= (0x001);                          
  
  while (ADC12CTL0 & (0x001));                   
  
  ADC12CTL0 &= ~(0x002);                             

  ADCResult = ADC12MEM0;                         

  for (i = 0; i < sizeof Temp_Tab; i++)          
    if (ADCResult < Temp_Tab[i])                 
      break;

  return i << 1;                                 
}




static void InsertDynamicValues(void)
{
  char *Key;
  char NewKey[5];
  int i;
  
  if (TCPTxDataCount < 4) return;                
  
  Key = (char *)((unsigned char *)TxFrame1Mem + 14 + 20 + 20);
  
  for (i = 0; i < TCPTxDataCount - 3; i++)
  {
    if (*Key == 'A')
     if (*(Key + 1) == 'D')
       if (*(Key + 3) == '%')
         if (*(Key + 2) == '7')                  
         {
           sprintf(NewKey, "%3u", GetAD7Val());  
           memcpy(Key, NewKey, 3);               
         }
         else if (*(Key + 2) == 'A')
         {
           sprintf(NewKey, "%3u", GetTempVal()); 
           memcpy(Key, NewKey, 3);               
         }
    Key++;
  }
}




static void InitOsc(void)
{
  WDTCTL = (0x5A00) + (0x0080);                      

  BCSCTL1 |= (0x40);                                
  __bic_SR_register((0x0020));                     

  do
  {
    IFG1 &= ~(0x02);                              
    DelayCycles(100);                            
  } while (IFG1 & (0x02));                        
  
  BCSCTL2 = (0xC0);                              
}  

static void InitPorts(void)
{
  P1OUT = 0;                                     
  P1DIR = 0xff;                                  

  P2OUT = 0;
  P2DIR = 0xff;

  P4OUT = 0;
  P4DIR = 0xff;

  P6SEL = 0x80;                                  
  P6OUT = 0;
  P6DIR = 0x7f;                                  
}

static void InitADC12(void)
{
  ADC12CTL0 = (0x010) + (0x020) + (0x040) + (6*0x100u);
  ADC12CTL1 = (0*0x400u) + (0x0200) + (0*2u);            
                                                 
                                                 
}