1 | #define _CRT_SECURE_NO_WARNINGS
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2 | #include <windows.h>
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3 | #include <stdio.h>
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4 |
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5 | static const char *title = "\n\tSPI-tester \n";
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6 | static const char *usage = "\t\tusage: spitest port_number";
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7 |
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8 |
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9 | static int hex2bin( unsigned char *bin, char *hex )
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10 | {
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11 | int n;
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12 |
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13 | for( n=0; *hex; ) {
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14 | if( *hex>' ' )
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15 | bin[n++] = (unsigned char)strtol( hex, &hex, 16 );
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16 | else
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17 | hex++;
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18 | }
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19 | return n;
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20 | }
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21 |
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22 | static void bin2hex( char *hex, unsigned char *bin, int n )//bin2dec wandlung
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23 | {
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24 |
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25 | for( ; n>0; n-- )
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26 | hex += sprintf( hex, " %04i", *bin++ ); //"%02X" X in Hex "%03i" für Intiger als 4 stelle
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27 |
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28 | *hex = 0;
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29 | }
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30 |
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31 | int main(int argc, char *argv[])
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32 | {
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33 | HANDLE hCom;
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34 | DWORD rwlen;
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35 | int n, v, quit;
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36 | char *ptr, text[1024]; // war auf auf 256 eingestellt
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37 | unsigned char data[1]; //war auf 32 gestellt
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38 |
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39 | puts( title );
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40 |
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41 | if( argc!=2 ) {
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42 | puts( usage );
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43 | return -1;
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44 | }
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45 |
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46 | /* Open COM device */
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47 | sprintf( text, "\\\\.\\COM%s", argv[1] );
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48 | hCom = CreateFile( text, GENERIC_READ|GENERIC_WRITE,
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49 | 0, 0, OPEN_EXISTING, 0, 0 );
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50 | if( hCom==INVALID_HANDLE_VALUE ) {
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51 | printf( "\terror: COM%s is not available.", argv[1] );
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52 | return -2;
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53 | }
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54 |
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55 | for( quit=0; !quit; ) {
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56 |
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57 | printf( " com%s < ", argv[1] );
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58 | gets( text );
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59 |
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60 | for( ptr=text; *ptr<=' '; ptr++ )
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61 | ;
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62 |
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63 | switch( *ptr ) {
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64 | case 'Q':
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65 | case 'q': quit = 1;
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66 | break;
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67 | case 'S':
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68 | case 's': for( ptr++; *ptr && *ptr!='0' && *ptr!='1'; ptr++ )
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69 | ;
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70 | if( *ptr ) {
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71 | n = *ptr - '0';
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72 | for( ptr++; *ptr && *ptr!='0' && *ptr!='1'; ptr++ )
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73 | ;
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74 | if( *ptr ) {
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75 | v = *ptr - '0';
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76 | EscapeCommFunction( hCom,
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77 | n? (v? SETDTR:CLRDTR):(v? SETBREAK:CLRBREAK) );
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78 | }
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79 | }
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80 | break;
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81 | default:
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82 | n = hex2bin( data, text );
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83 | WriteFile( hCom, data, n, &rwlen, 0 );
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84 | Sleep(100 );
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85 | ReadFile( hCom, data, rwlen, &rwlen, 0 );
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86 |
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87 | bin2hex( text, data, n );
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88 | printf( " com%s >%s\n", argv[1], text );
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89 | }
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90 | }
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91 |
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92 | CloseHandle( hCom );
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93 | return 0;
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94 | }
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