Cristian Bogdan / Mbed 2 deprecated SmartCardReader

SmartCard reader. PC is interface through USB or TCPport. SmartCard is interfaced through UART@ 1MHz, DIV372

Dependencies:   EthernetNetIf mbed

main.cpp@0:5bf6fcf71548, 2011-02-27 (annotated)

Committer:
bcalin1984
Date:
Sun Feb 27 22:20:40 2011 +0000
Revision:
0:5bf6fcf71548

        

        
Who changed what in which revision?

        

            
                
UserRevisionLine numberNew contents of line

            
            


bcalin1984

0:5bf6fcf71548


     1

/*





bcalin1984

0:5bf6fcf71548


     2

Main file: encapsulates the glue that links USB-serial or TCP port to the SmartCardReader





bcalin1984

0:5bf6fcf71548


     3







bcalin1984

0:5bf6fcf71548


     4

Author: Calin Bira





bcalin1984

0:5bf6fcf71548


     5

Date: 28.02.2011





bcalin1984

0:5bf6fcf71548


     6

*/





bcalin1984

0:5bf6fcf71548


     7







bcalin1984

0:5bf6fcf71548


     8

#include "mbed.h"





bcalin1984

0:5bf6fcf71548


     9

#include "SmartCardReader.h"





bcalin1984

0:5bf6fcf71548


    10

#include <string.h>





bcalin1984

0:5bf6fcf71548


    11

#include "commons.h"





bcalin1984

0:5bf6fcf71548


    12

#include "TcpServer.h"





bcalin1984

0:5bf6fcf71548


    13







bcalin1984

0:5bf6fcf71548


    14

Serial computer(USBTX, USBRX); // tx, rx





bcalin1984

0:5bf6fcf71548


    15

Serial smartcard(p13, p14); // tx, rx





bcalin1984

0:5bf6fcf71548


    16

DigitalOut reset(p20);





bcalin1984

0:5bf6fcf71548


    17

DigitalOut vcc(p18);





bcalin1984

0:5bf6fcf71548


    18

PwmOut clk(p21);//clock line





bcalin1984

0:5bf6fcf71548


    19







bcalin1984

0:5bf6fcf71548


    20

TcpServer TCPS(10779);





bcalin1984

0:5bf6fcf71548


    21

#define SendToHost(x,y) \





bcalin1984

0:5bf6fcf71548


    22

    computer.printf(x,y);\





bcalin1984

0:5bf6fcf71548


    23

    TCPS.Tprintf(x,y)





bcalin1984

0:5bf6fcf71548


    24







bcalin1984

0:5bf6fcf71548


    25

SmartCardReader SCR(&smartcard, &vcc, &reset, &clk, "8E1");





bcalin1984

0:5bf6fcf71548


    26







bcalin1984

0:5bf6fcf71548


    27

static const int CommandBufferLen = 2*MAX_MSG_SIZE + 20;//two bytes per char, and extra 20 Bytes for other params





bcalin1984

0:5bf6fcf71548


    28

static const int AnswerBufferLen = 2*MAX_MSG_SIZE + 20;//two bytes per char, and extra 20 Bytes for other params





bcalin1984

0:5bf6fcf71548


    29

static char CommandBuffer[CommandBufferLen];





bcalin1984

0:5bf6fcf71548


    30

static int CommandBufferIndex;





bcalin1984

0:5bf6fcf71548


    31

static char AnswerBuffer[AnswerBufferLen];





bcalin1984

0:5bf6fcf71548


    32

static char tmp[MAX_MSG_SIZE];





bcalin1984

0:5bf6fcf71548


    33







bcalin1984

0:5bf6fcf71548


    34

#define CMD_ERR_INVALID_FORMAT  0x0001





bcalin1984

0:5bf6fcf71548


    35

#define CMD_ERR_OK              0x0000





bcalin1984

0:5bf6fcf71548


    36

#define CMD_ERR_RECEIVE_TIMEOUT 0x00CA





bcalin1984

0:5bf6fcf71548


    37







bcalin1984

0:5bf6fcf71548


    38

void DecodeCommand(char* cmd, int len)





bcalin1984

0:5bf6fcf71548


    39

{





bcalin1984

0:5bf6fcf71548


    40

    int errorCode = CMD_ERR_OK;





bcalin1984

0:5bf6fcf71548


    41

    char * pch;





bcalin1984

0:5bf6fcf71548


    42

    pch = strtok (cmd," ");





bcalin1984

0:5bf6fcf71548


    43

    





bcalin1984

0:5bf6fcf71548


    44

    if (len < 6)





bcalin1984

0:5bf6fcf71548


    45

    {





bcalin1984

0:5bf6fcf71548


    46

        errorCode = CMD_ERR_INVALID_FORMAT;





bcalin1984

0:5bf6fcf71548


    47

        SendToHost("ERR %04x\r\n",errorCode);





bcalin1984

0:5bf6fcf71548


    48

    }





bcalin1984

0:5bf6fcf71548


    49

    else if (strncmp(pch,"ISCR",4)==0)





bcalin1984

0:5bf6fcf71548


    50

    {





bcalin1984

0:5bf6fcf71548


    51

        SCR.cold_reset();





bcalin1984

0:5bf6fcf71548


    52

        SendToHost("ISCR %04X\r\n",errorCode);





bcalin1984

0:5bf6fcf71548


    53

    }





bcalin1984

0:5bf6fcf71548


    54

    else if (strncmp(pch,"ISWR",4)==0)





bcalin1984

0:5bf6fcf71548


    55

    {





bcalin1984

0:5bf6fcf71548


    56

        SCR.warm_reset();





bcalin1984

0:5bf6fcf71548


    57

        SendToHost("ISWR %04X\r\n",errorCode);





bcalin1984

0:5bf6fcf71548


    58

    }





bcalin1984

0:5bf6fcf71548


    59

    else if (strncmp(pch,"ISSB",4)==0)





bcalin1984

0:5bf6fcf71548


    60

    {





bcalin1984

0:5bf6fcf71548


    61

        pch = strtok (NULL, " ");//size





bcalin1984

0:5bf6fcf71548


    62

        if (pch == NULL) {errorCode = CMD_ERR_INVALID_FORMAT; SendToHost("ERR %04X\r\n",errorCode); return;}





bcalin1984

0:5bf6fcf71548


    63

        





bcalin1984

0:5bf6fcf71548


    64

        int len = atoi(pch);





bcalin1984

0:5bf6fcf71548


    65

        int len_copy = len;





bcalin1984

0:5bf6fcf71548


    66

        pch = strtok (NULL, " ");//the other chars





bcalin1984

0:5bf6fcf71548


    67

        if (pch == NULL) {errorCode = CMD_ERR_INVALID_FORMAT;SendToHost("ERR %04X\r\n",errorCode); return;}





bcalin1984

0:5bf6fcf71548


    68

        





bcalin1984

0:5bf6fcf71548


    69

        char *src = tmp;





bcalin1984

0:5bf6fcf71548


    70

        while (len > 0)





bcalin1984

0:5bf6fcf71548


    71

        {





bcalin1984

0:5bf6fcf71548


    72

            sscanf(pch, "%2x", src++);





bcalin1984

0:5bf6fcf71548


    73

            pch += 2;





bcalin1984

0:5bf6fcf71548


    74

            len--;





bcalin1984

0:5bf6fcf71548


    75

        }





bcalin1984

0:5bf6fcf71548


    76

        





bcalin1984

0:5bf6fcf71548


    77

        SCR.send(tmp,len_copy);





bcalin1984

0:5bf6fcf71548


    78

        SendToHost("ISSB %04X\r\n",errorCode);





bcalin1984

0:5bf6fcf71548


    79

    }





bcalin1984

0:5bf6fcf71548


    80

    else if (strncmp(pch,"ISRB",4)==0)





bcalin1984

0:5bf6fcf71548


    81

    {





bcalin1984

0:5bf6fcf71548


    82

        char *dest;





bcalin1984

0:5bf6fcf71548


    83

        char *src = tmp;





bcalin1984

0:5bf6fcf71548


    84

        pch = strtok (NULL, " ");





bcalin1984

0:5bf6fcf71548


    85

        int expectedLen = atoi(pch);





bcalin1984

0:5bf6fcf71548


    86

        int len = SCR.receive(tmp);





bcalin1984

0:5bf6fcf71548


    87

        if (expectedLen > len) errorCode = CMD_ERR_RECEIVE_TIMEOUT;





bcalin1984

0:5bf6fcf71548


    88

        





bcalin1984

0:5bf6fcf71548


    89

        sprintf(AnswerBuffer,"ISRB %04X %d ",errorCode,len);





bcalin1984

0:5bf6fcf71548


    90

        dest = AnswerBuffer + strlen(AnswerBuffer);





bcalin1984

0:5bf6fcf71548


    91

        while (len > 0)





bcalin1984

0:5bf6fcf71548


    92

        {





bcalin1984

0:5bf6fcf71548


    93

            sprintf(dest,"%02X",*src);





bcalin1984

0:5bf6fcf71548


    94

            src++;dest+=2;len--;





bcalin1984

0:5bf6fcf71548


    95

        }





bcalin1984

0:5bf6fcf71548


    96

        *dest++ = '\r';        





bcalin1984

0:5bf6fcf71548


    97

        *dest++ = '\n';





bcalin1984

0:5bf6fcf71548


    98

        *dest++ = '\0';





bcalin1984

0:5bf6fcf71548


    99

        





bcalin1984

0:5bf6fcf71548


   100

        SendToHost("%s",AnswerBuffer);





bcalin1984

0:5bf6fcf71548


   101

    }





bcalin1984

0:5bf6fcf71548


   102

    





bcalin1984

0:5bf6fcf71548


   103

    while (pch !=NULL)





bcalin1984

0:5bf6fcf71548


   104

    {





bcalin1984

0:5bf6fcf71548


   105

        pch = strtok (NULL, " ");





bcalin1984

0:5bf6fcf71548


   106

    }





bcalin1984

0:5bf6fcf71548


   107

}





bcalin1984

0:5bf6fcf71548


   108







bcalin1984

0:5bf6fcf71548


   109

void AssembleCommand(char *buf, int len)





bcalin1984

0:5bf6fcf71548


   110

{





bcalin1984

0:5bf6fcf71548


   111

    for (int i=0; i<len; i++)





bcalin1984

0:5bf6fcf71548


   112

    {





bcalin1984

0:5bf6fcf71548


   113

       if (CommandBufferIndex < CommandBufferLen)





bcalin1984

0:5bf6fcf71548


   114

       {





bcalin1984

0:5bf6fcf71548


   115

        CommandBuffer[CommandBufferIndex] = buf[i];





bcalin1984

0:5bf6fcf71548


   116

        if (CommandBuffer[CommandBufferIndex] == 10)





bcalin1984

0:5bf6fcf71548


   117

           {





bcalin1984

0:5bf6fcf71548


   118

                DecodeCommand(CommandBuffer, CommandBufferIndex);





bcalin1984

0:5bf6fcf71548


   119

                CommandBufferIndex = 0;





bcalin1984

0:5bf6fcf71548


   120

           }





bcalin1984

0:5bf6fcf71548


   121

           else CommandBufferIndex++;





bcalin1984

0:5bf6fcf71548


   122

       }





bcalin1984

0:5bf6fcf71548


   123

       else 





bcalin1984

0:5bf6fcf71548


   124

       {





bcalin1984

0:5bf6fcf71548


   125

            CommandBufferIndex = 0;





bcalin1984

0:5bf6fcf71548


   126

       }





bcalin1984

0:5bf6fcf71548


   127

       





bcalin1984

0:5bf6fcf71548


   128

    }





bcalin1984

0:5bf6fcf71548


   129

    





bcalin1984

0:5bf6fcf71548


   130

    





bcalin1984

0:5bf6fcf71548


   131

    





bcalin1984

0:5bf6fcf71548


   132

}





bcalin1984

0:5bf6fcf71548


   133







bcalin1984

0:5bf6fcf71548


   134







bcalin1984

0:5bf6fcf71548


   135

//TcpServer TCPS(10779);





bcalin1984

0:5bf6fcf71548


   136

int main() 





bcalin1984

0:5bf6fcf71548


   137

{





bcalin1984

0:5bf6fcf71548


   138

    char ch;





bcalin1984

0:5bf6fcf71548


   139

    SCR.cold_reset();





bcalin1984

0:5bf6fcf71548


   140

    TCPS.SetReceiveCallback(&AssembleCommand);





bcalin1984

0:5bf6fcf71548


   141

    CommandBufferIndex = 0;





bcalin1984

0:5bf6fcf71548


   142

    





bcalin1984

0:5bf6fcf71548


   143

    while(1) 





bcalin1984

0:5bf6fcf71548


   144

    {





bcalin1984

0:5bf6fcf71548


   145

        while (computer.readable()) //if there is data from pc





bcalin1984

0:5bf6fcf71548


   146

        {





bcalin1984

0:5bf6fcf71548


   147

            ch = computer.getc();





bcalin1984

0:5bf6fcf71548


   148

            AssembleCommand(&ch,1);





bcalin1984

0:5bf6fcf71548


   149

        }  





bcalin1984

0:5bf6fcf71548


   150

        





bcalin1984

0:5bf6fcf71548


   151

        SCR.doEvents();      





bcalin1984

0:5bf6fcf71548


   152

        TCPS.doEvents();





bcalin1984

0:5bf6fcf71548


   153

    } 





bcalin1984

0:5bf6fcf71548


   154

}