@@ -1,52 +1,52 | |||
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1 | 1 | // SOPSUYSI_RS232.h |
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2 | 2 | #ifndef RS232_H |
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3 | 3 | #define RS232_H |
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4 | #define debug | |
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4 | #define RS232_debug | |
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5 | 5 | |
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6 | 6 | #define badPortValue -1 |
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7 | 7 | #define rs232noerr 0 |
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8 | 8 | typedef int rs232port_t; |
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9 | 9 | typedef int rs232speed_t; |
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10 | 10 | typedef enum {rs232OneStop,rs232One5Stop,rs232TwoStop}rs232stop; |
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11 | 11 | typedef enum {rs232parityNo,rs232parityOdd,rs232parityEven}rs232parity; |
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12 | 12 | |
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13 | 13 | #ifdef __cplusplus |
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14 | 14 | extern "C" { |
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15 | 15 | #endif |
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16 | 16 | typedef struct rs232portslist_t |
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17 | 17 | { |
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18 | 18 | char* name; |
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19 | 19 | struct rs232portslist_t* next; |
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20 | 20 | }rs232portslist_t; |
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21 | 21 | #ifdef __cplusplus |
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22 | 22 | } |
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23 | 23 | #endif |
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24 | 24 | |
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25 | 25 | |
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26 | 26 | #ifdef __cplusplus |
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27 | 27 | #define rs232extern extern "C" |
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28 | 28 | #else |
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29 | 29 | #define rs232extern extern |
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30 | 30 | #endif |
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31 | 31 | rs232extern rs232port_t rs232open(char* psPortName); |
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32 | 32 | rs232extern rs232portslist_t* rs232getportlist(); |
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33 | 33 | rs232extern void rs232deleteportlist(rs232portslist_t* list); |
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34 | 34 | rs232extern int rs232close(rs232port_t fd); |
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35 | 35 | rs232extern int rs232setup(rs232port_t fd, int ChSize, int BaudeRate, rs232parity Parity, rs232stop NbStop); |
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36 | 36 | rs232extern int rs232write(rs232port_t fd,char *psWrite, int WriteBufferSize); |
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37 | 37 | rs232extern int rs232read(rs232port_t fd,char *psRead, int ReadBufferSize); |
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38 | 38 | rs232extern int rs232setparity(rs232port_t fd, rs232parity Parity); |
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39 | 39 | rs232extern int rs232setnbstop(rs232port_t fd, rs232stop NbStop); |
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40 | 40 | rs232extern int rs232setcsize(rs232port_t fd, int ChSize); |
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41 | 41 | rs232extern int rs232setbaudrate(rs232port_t fd, int baudrate); |
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42 | 42 | rs232extern int rs232setRTS(rs232port_t fd); |
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43 | 43 | rs232extern int rs232clearRTS(rs232port_t fd); |
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44 | 44 | rs232extern int rs232setDTR(rs232port_t fd); |
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45 | 45 | rs232extern int rs232clearDTR(rs232port_t fd); |
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46 | 46 | rs232extern int rs232saferead(rs232port_t fd,char* data,int count ); |
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47 | 47 | rs232extern int rs232safewrite(rs232port_t fd,char* data,int count); |
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48 | 48 | |
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49 | 49 | #endif |
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50 | 50 | |
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51 | 51 | |
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52 | 52 |
@@ -1,536 +1,536 | |||
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1 | 1 | #include <stdio.h> |
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2 | 2 | #include <unistd.h> |
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3 | 3 | #include <fcntl.h> |
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4 | 4 | #include <string.h> |
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5 | 5 | #include <errno.h> |
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6 | 6 | #include <malloc.h> |
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7 | 7 | #include <dirent.h> |
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8 | 8 | #include <limits.h> |
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9 | 9 | #include <stdlib.h> |
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10 | 10 | #include <sys/stat.h> |
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11 | 11 | #include "rs232config.h" |
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12 | 12 | |
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13 | 13 | #ifdef HAVE_TERMIOS_H |
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14 | 14 | #include <termios.h> |
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15 | 15 | #endif |
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16 | 16 | #ifdef HAVE_TERMIO_H |
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17 | 17 | #include <termio.h> |
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18 | 18 | #endif |
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19 | 19 | #include "RS232.h" |
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20 | 20 | |
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21 | 21 | #ifdef HAVE_WINDOWS_H |
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22 | 22 | #else |
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23 | 23 | #ifdef HAVE_TERMIOS_H |
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24 | 24 | rs232speed_t rs232cfspeed(unsigned int BaudeRate); |
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25 | 25 | |
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26 | 26 | rs232port_t rs232open(char* psPortName) |
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27 | 27 | { |
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28 | 28 | rs232port_t fd; |
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29 | 29 | int flags; |
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30 | 30 | fd = (rs232port_t)open(psPortName, O_RDWR | O_NOCTTY );//| O_NDELAY); |
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31 | 31 | //fcntl((int)fd, F_SETFL, FNDELAY); |
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32 | 32 | //fd = open(psPortName, O_RDWR | O_NOCTTY); |
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33 | #ifdef debug | |
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33 | #ifdef RS232_debug | |
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34 | 34 | if(fd==-1)printf("can't open Port\n"); |
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35 | 35 | #else |
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36 | 36 | if(fd!=-1) |
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37 | 37 | { |
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38 | 38 | //flags = fcntl(fd, F_GETFL); |
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39 | 39 | //flags |= O_NONBLOCK; |
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40 | 40 | //flags|=FNDELAY; |
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41 | 41 | //fcntl(fd, F_SETFL, flags); |
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42 | 42 | //fcntl((int)fd, F_SETFL, FNDELAY); |
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43 | 43 | } |
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44 | 44 | |
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45 | 45 | #endif |
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46 | 46 | return fd; |
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47 | 47 | } |
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48 | 48 | |
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49 | 49 | int rs232close(rs232port_t fd) |
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50 | 50 | { |
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51 | 51 | if ((int)fd == -1) |
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52 | 52 | { |
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53 | 53 | return -1; |
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54 | 54 | } |
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55 | 55 | else |
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56 | 56 | { |
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57 | 57 | close(fd); |
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58 | 58 | return 0; |
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59 | 59 | } |
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60 | 60 | } |
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61 | 61 | |
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62 | 62 | rs232portslist_t* rs232getportlist() |
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63 | 63 | { |
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64 | 64 | struct dirent *dp; |
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65 | 65 | char* path="/dev/serial/by-id"; |
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66 | 66 | DIR *dir = opendir(path); |
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67 | 67 | rs232portslist_t* firstitem=NULL; |
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68 | 68 | rs232portslist_t* previtem=NULL; |
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69 | 69 | char linkname[1024]; |
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70 | 70 | int i=0; |
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71 | 71 | if(dir!=NULL) |
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72 | 72 | { |
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73 | 73 | while ((dp=readdir(dir)) != NULL) |
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74 | 74 | { |
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75 | 75 | char* name = (char*)malloc(1024); |
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76 | 76 | for(i=0;i<1024;i++) |
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77 | 77 | { |
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78 | 78 | name[i]='\0'; |
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79 | 79 | linkname[i]='\0'; |
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80 | 80 | } |
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81 | 81 | struct stat statbuf; |
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82 | 82 | strcpy(linkname,path); |
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83 | 83 | strcat(linkname,"/"); |
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84 | 84 | strcat(linkname,dp->d_name); |
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85 | 85 | lstat(linkname, &statbuf); |
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86 | 86 | if(S_ISLNK(statbuf.st_mode)) |
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87 | 87 | { |
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88 | 88 | if(-1!=readlink(linkname,name,1024)) |
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89 | 89 | { |
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90 | 90 | for(i=0;i<1024;i++) |
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91 | 91 | { |
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92 | 92 | linkname[i]='\0'; |
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93 | 93 | } |
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94 | 94 | strcpy(linkname,path); |
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95 | 95 | strcat(linkname,"/"); |
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96 | 96 | strcat(linkname,name); |
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97 | 97 | for(i=0;i<1024;i++) |
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98 | 98 | { |
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99 | 99 | name[i]='\0'; |
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100 | 100 | } |
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101 | 101 | if(NULL!=realpath(linkname, name)) |
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102 | 102 | { |
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103 | 103 | rs232portslist_t* item = (rs232portslist_t*)malloc(sizeof(rs232portslist_t)); |
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104 | 104 | item->name = name; |
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105 | 105 | item->next = NULL; |
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106 | 106 | if(NULL!=previtem)previtem->next = item; |
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107 | 107 | previtem = item; |
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108 | 108 | if(NULL==firstitem)firstitem = item; |
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109 | 109 | } |
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110 | 110 | |
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111 | 111 | } |
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112 | 112 | } |
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113 | 113 | |
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114 | 114 | } |
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115 | 115 | } |
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116 | 116 | return firstitem; |
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117 | 117 | } |
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118 | 118 | |
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119 | 119 | void rs232deleteportlist(rs232portslist_t* list) |
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120 | 120 | { |
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121 | 121 | if(list!=NULL) |
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122 | 122 | { |
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123 | 123 | if(list->next != NULL) |
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124 | 124 | rs232deleteportlist(list->next); |
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125 | 125 | free(list); |
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126 | 126 | } |
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127 | 127 | } |
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128 | 128 | |
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129 | 129 | int rs232setup(rs232port_t fd, int ChSize, int BaudeRate, rs232parity Parity, rs232stop NbStop) |
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130 | 130 | { |
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131 | 131 | if ((int)fd == -1) |
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132 | 132 | { |
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133 | 133 | return -1; |
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134 | 134 | } |
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135 | 135 | else |
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136 | 136 | { |
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137 | 137 | struct termios terminos; |
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138 | 138 | tcgetattr(fd, &terminos); |
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139 | 139 | terminos.c_iflag=0; |
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140 | 140 | terminos.c_oflag=0; |
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141 | 141 | terminos.c_cflag=0; |
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142 | 142 | terminos.c_lflag=0; |
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143 | 143 | cfsetispeed(&terminos, rs232cfspeed(BaudeRate)); |
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144 | 144 | cfsetospeed(&terminos, rs232cfspeed(BaudeRate)); |
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145 | 145 | terminos.c_cflag |= (CLOCAL | CREAD); |
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146 | 146 | rs232cfparity((int)fd, &terminos, Parity); |
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147 | 147 | rs232cfnbstop((int)fd, &terminos, NbStop); |
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148 | 148 | rs232cfcsize((int)fd, &terminos, ChSize); |
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149 | 149 | terminos.c_cc[VMIN]=0; |
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150 | 150 | terminos.c_cc[VTIME]=1; |
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151 | 151 | tcflush(fd, TCIFLUSH); |
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152 | #ifdef debug | |
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152 | #ifdef RS232_debug | |
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153 | 153 | if(tcsetattr(fd, TCSANOW, &terminos)!=0)printf("bad setup\n"); |
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154 | 154 | #else |
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155 | 155 | tcsetattr(fd, TCSANOW, &terminos); |
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156 | 156 | #endif |
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157 | 157 | return 0; |
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158 | 158 | } |
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159 | 159 | } |
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160 | 160 | |
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161 | 161 | int rs232setbaudrate(rs232port_t fd, int baudrate) |
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162 | 162 | { |
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163 | 163 | if ((int)fd == -1) |
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164 | 164 | { |
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165 | 165 | return fd; |
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166 | 166 | } |
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167 | 167 | else |
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168 | 168 | { |
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169 | 169 | struct termios terminos; |
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170 | 170 | tcgetattr((int)fd, &terminos); |
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171 | 171 | cfsetispeed(&terminos, rs232cfspeed(baudrate)); |
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172 | 172 | cfsetospeed(&terminos, rs232cfspeed(baudrate)); |
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173 | 173 | tcsetattr((int)fd, TCSANOW, &terminos); |
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174 | 174 | return 0; |
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175 | 175 | } |
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176 | 176 | } |
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177 | 177 | |
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178 | 178 | int rs232setparity(rs232port_t fd, rs232parity Parity) |
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179 | 179 | { |
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180 | 180 | if ((int)fd == -1) |
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181 | 181 | { |
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182 | 182 | return fd; |
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183 | 183 | } |
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184 | 184 | else |
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185 | 185 | { |
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186 | 186 | struct termios terminos; |
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187 | 187 | tcgetattr((int)fd, &terminos); |
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188 | 188 | terminos.c_cflag &= ~PARENB; |
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189 | 189 | terminos.c_cflag &= ~PARODD; |
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190 | 190 | switch(Parity) |
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191 | 191 | { |
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192 | 192 | case rs232parityNo: |
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193 | 193 | terminos.c_cflag &= ~PARENB; |
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194 | 194 | break; |
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195 | 195 | case rs232parityOdd: |
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196 | 196 | terminos.c_cflag |= PARENB; |
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197 | 197 | terminos.c_cflag |= PARODD; |
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198 | 198 | break; |
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199 | 199 | case rs232parityEven: |
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200 | 200 | terminos.c_cflag |= PARENB; |
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201 | 201 | terminos.c_cflag &= ~PARODD; |
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202 | 202 | break; |
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203 | 203 | default: |
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204 | 204 | terminos.c_cflag &= ~PARENB; |
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205 | 205 | break; |
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206 | 206 | } |
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207 | 207 | tcsetattr((int)fd, TCSANOW, &terminos); |
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208 | 208 | return 0; |
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209 | 209 | } |
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210 | 210 | } |
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211 | 211 | |
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212 | 212 | int rs232setnbstop(rs232port_t fd, rs232stop NbStop) |
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213 | 213 | { |
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214 | 214 | if ((int)fd == -1) |
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215 | 215 | { |
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216 | 216 | return fd; |
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217 | 217 | } |
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218 | 218 | else |
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219 | 219 | { |
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220 | 220 | struct termios terminos; |
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221 | 221 | tcgetattr((int)fd, &terminos); |
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222 | 222 | switch(NbStop) |
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223 | 223 | { |
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224 | 224 | case rs232OneStop: |
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225 | 225 | terminos.c_cflag &= ~CSTOPB; |
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226 | 226 | break; |
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227 | 227 | case rs232One5Stop: |
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228 | 228 | terminos.c_cflag |= CSTOPB; |
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229 | 229 | break; |
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230 | 230 | case rs232TwoStop: |
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231 | 231 | terminos.c_cflag |= CSTOPB; |
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232 | 232 | break; |
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233 | 233 | default: |
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234 | 234 | terminos.c_cflag &= ~CSTOPB; |
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235 | 235 | break; |
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236 | 236 | } |
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237 | 237 | tcsetattr((int)fd, TCSANOW, &terminos); |
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238 | 238 | return 0; |
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239 | 239 | } |
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240 | 240 | } |
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241 | 241 | |
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242 | 242 | |
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243 | 243 | int rs232setcsize(rs232port_t fd, int ChSize) |
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244 | 244 | { |
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245 | 245 | if ((int)fd == -1) |
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246 | 246 | { |
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247 | 247 | return fd; |
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248 | 248 | } |
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249 | 249 | else |
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250 | 250 | { |
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251 | 251 | struct termios terminos; |
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252 | 252 | tcgetattr((int)fd, &terminos); |
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253 | 253 | terminos.c_cflag &= ~CSIZE; |
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254 | 254 | switch(ChSize) |
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255 | 255 | { |
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256 | 256 | case 5: |
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257 | 257 | terminos.c_cflag |= CS5; |
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258 | 258 | break; |
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259 | 259 | case 6: |
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260 | 260 | terminos.c_cflag |= CS6; |
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261 | 261 | break; |
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262 | 262 | case 7: |
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263 | 263 | terminos.c_cflag |= CS7; |
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264 | 264 | break; |
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265 | 265 | default: |
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266 | 266 | terminos.c_cflag |= CS8; |
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267 | 267 | break; |
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268 | 268 | } |
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269 | 269 | tcsetattr((int)fd, TCSANOW, &terminos); |
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270 | 270 | return 0; |
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271 | 271 | } |
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272 | 272 | } |
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273 | 273 | |
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274 | 274 | rs232speed_t rs232cfspeed(unsigned int BaudeRate) |
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275 | 275 | { |
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276 | 276 | if(BaudeRate<25) |
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277 | 277 | return B0; |
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278 | 278 | |
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279 | 279 | if(BaudeRate<67) |
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280 | 280 | return B50; |
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281 | 281 | |
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282 | 282 | if(BaudeRate<93) |
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283 | 283 | return B75; |
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284 | 284 | |
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285 | 285 | if(BaudeRate<123) |
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286 | 286 | return B110; |
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287 | 287 | |
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288 | 288 | if(BaudeRate<142) |
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289 | 289 | return B134; |
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290 | 290 | |
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291 | 291 | if(BaudeRate<175) |
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292 | 292 | return B150; |
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293 | 293 | |
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294 | 294 | if(BaudeRate<250) |
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295 | 295 | return B200; |
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296 | 296 | |
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297 | 297 | if(BaudeRate<450) |
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298 | 298 | return B300; |
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299 | 299 | |
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300 | 300 | if(BaudeRate<900) |
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301 | 301 | return B600; |
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302 | 302 | |
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303 | 303 | if(BaudeRate<1500) |
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304 | 304 | return B1200; |
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305 | 305 | |
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306 | 306 | if(BaudeRate<2100) |
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307 | 307 | return B1800; |
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308 | 308 | |
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309 | 309 | if(BaudeRate<3600) |
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310 | 310 | return B2400; |
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311 | 311 | |
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312 | 312 | if(BaudeRate<7200) |
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313 | 313 | return B4800; |
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314 | 314 | |
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315 | 315 | if(BaudeRate<1400) |
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316 | 316 | return B9600; |
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317 | 317 | |
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318 | 318 | if(BaudeRate<28800) |
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319 | 319 | return B19200; |
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320 | 320 | |
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321 | 321 | if(BaudeRate<48000) |
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322 | 322 | return B38400; |
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323 | 323 | |
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324 | 324 | if(BaudeRate<86400) |
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325 | 325 | return B57600; |
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326 | 326 | |
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327 | 327 | if(BaudeRate<172800) |
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328 | 328 | return B115200; |
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329 | 329 | else |
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330 | 330 | return B230400; |
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331 | 331 | } |
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332 | 332 | |
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333 | 333 | |
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334 | 334 | int rs232cfparity(int fd, struct termios *terminos, rs232parity Parity) |
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335 | 335 | { |
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336 | 336 | if ((int)fd == -1) |
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337 | 337 | { |
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338 | 338 | return fd; |
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339 | 339 | } |
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340 | 340 | else |
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341 | 341 | { |
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342 | 342 | terminos->c_cflag &= ~PARENB; |
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343 | 343 | terminos->c_cflag &= ~PARODD; |
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344 | 344 | switch(Parity) |
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345 | 345 | { |
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346 | 346 | case rs232parityNo: |
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347 | 347 | terminos->c_cflag &= ~PARENB; |
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348 | 348 | terminos->c_cflag &= ~PARODD; |
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349 | 349 | break; |
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350 | 350 | case rs232parityOdd: |
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351 | 351 | terminos->c_cflag |= PARENB; |
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352 | 352 | terminos->c_cflag |= PARODD; |
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353 | 353 | break; |
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354 | 354 | case rs232parityEven: |
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355 | 355 | terminos->c_cflag |= PARENB; |
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356 | 356 | terminos->c_cflag &= ~PARODD; |
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357 | 357 | break; |
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358 | 358 | default: |
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359 | 359 | terminos->c_cflag &= ~PARENB; |
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360 | 360 | terminos->c_cflag &= ~PARODD; |
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361 | 361 | break; |
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362 | 362 | } |
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363 | 363 | return 0; |
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364 | 364 | } |
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365 | 365 | } |
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366 | 366 | |
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367 | 367 | int rs232cfnbstop(int fd, struct termios *terminos, rs232stop NbStop) |
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368 | 368 | { |
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369 | 369 | if ((int)fd == -1) |
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370 | 370 | { |
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371 | 371 | return fd; |
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372 | 372 | } |
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373 | 373 | else |
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374 | 374 | { |
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375 | 375 | switch(NbStop) |
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376 | 376 | { |
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377 | 377 | case 2: |
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378 | 378 | terminos->c_cflag |= CSTOPB; |
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379 | 379 | break; |
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380 | 380 | default: |
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381 | 381 | terminos->c_cflag &= ~CSTOPB; |
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382 | 382 | break; |
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383 | 383 | } |
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384 | 384 | return 0; |
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385 | 385 | } |
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386 | 386 | } |
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387 | 387 | |
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388 | 388 | |
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389 | 389 | int rs232cfcsize(int fd, struct termios *terminos, int ChSize) |
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390 | 390 | { |
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391 | 391 | if ((int)fd == -1) |
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392 | 392 | { |
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393 | 393 | return fd; |
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394 | 394 | } |
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395 | 395 | else |
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396 | 396 | { |
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397 | 397 | terminos->c_cflag &= ~CSIZE; |
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398 | 398 | switch(ChSize) |
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399 | 399 | { |
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400 | 400 | case 5: |
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401 | 401 | terminos->c_cflag |= CS5; |
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402 | 402 | break; |
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403 | 403 | case 6: |
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404 | 404 | terminos->c_cflag |= CS6; |
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405 | 405 | break; |
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406 | 406 | case 7: |
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407 | 407 | terminos->c_cflag |= CS7; |
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408 | 408 | break; |
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409 | 409 | default: |
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410 | 410 | terminos->c_cflag |= CS8; |
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411 | 411 | break; |
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412 | 412 | } |
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413 | 413 | return 0; |
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414 | 414 | } |
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415 | 415 | } |
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416 | 416 | |
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417 | 417 | |
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418 | 418 | int rs232write(rs232port_t fd,char *psWrite, int WriteBufferSize) |
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419 | 419 | { |
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420 | 420 | if ((int)fd == -1) |
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421 | 421 | { |
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422 | 422 | return -1; |
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423 | 423 | } |
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424 | 424 | else |
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425 | 425 | { |
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426 | 426 | return write((int)fd, psWrite, WriteBufferSize); |
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427 | 427 | } |
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428 | 428 | } |
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429 | 429 | |
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430 | 430 | |
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431 | 431 | int rs232read(rs232port_t fd,char *psReadHex, int ReadBufferSize) |
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432 | 432 | { |
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433 | 433 | |
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434 | 434 | if ((int)fd == -1) |
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435 | 435 | { |
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436 | 436 | return -1; |
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437 | 437 | } |
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438 | 438 | else |
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439 | 439 | { |
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440 | 440 | return read((int)fd, psReadHex, ReadBufferSize); |
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441 | 441 | } |
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442 | 442 | |
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443 | 443 | } |
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444 | 444 | |
|
445 | 445 | |
|
446 | 446 | int rs232setRTS(rs232port_t fd) |
|
447 | 447 | { |
|
448 | 448 | int status; |
|
449 | 449 | ioctl((int)fd, TIOCMGET, &status); |
|
450 | 450 | status &= ~TIOCM_RTS; |
|
451 | 451 | if (ioctl((int)fd, TIOCMSET, &status)) |
|
452 | 452 | { |
|
453 | 453 | return -1; |
|
454 | 454 | } |
|
455 | 455 | return 0; |
|
456 | 456 | } |
|
457 | 457 | |
|
458 | 458 | int rs232clearRTS(rs232port_t fd) |
|
459 | 459 | { |
|
460 | 460 | int status; |
|
461 | 461 | ioctl((int)fd, TIOCMGET, &status); |
|
462 | 462 | status |= TIOCM_RTS; |
|
463 | 463 | if (ioctl((int)fd, TIOCMSET, &status)) |
|
464 | 464 | { |
|
465 | 465 | return -1; |
|
466 | 466 | } |
|
467 | 467 | return 0; |
|
468 | 468 | } |
|
469 | 469 | |
|
470 | 470 | int rs232setDTR(rs232port_t fd) |
|
471 | 471 | { |
|
472 | 472 | int status; |
|
473 | 473 | ioctl((int)fd, TIOCMGET, &status); |
|
474 | 474 | status &= ~TIOCM_DTR; |
|
475 | 475 | if (ioctl((int)fd, TIOCMSET, &status)) |
|
476 | 476 | { |
|
477 | 477 | return -1; |
|
478 | 478 | } |
|
479 | 479 | return 0; |
|
480 | 480 | } |
|
481 | 481 | |
|
482 | 482 | |
|
483 | 483 | int rs232clearDTR(rs232port_t fd) |
|
484 | 484 | { |
|
485 | 485 | int status; |
|
486 | 486 | ioctl((int)fd, TIOCMGET, &status); |
|
487 | 487 | status |= TIOCM_DTR; |
|
488 | 488 | if (ioctl((int)fd, TIOCMSET, &status)) |
|
489 | 489 | { |
|
490 | 490 | return -1; |
|
491 | 491 | } |
|
492 | 492 | return 0; |
|
493 | 493 | } |
|
494 | 494 | |
|
495 | 495 | |
|
496 | 496 | |
|
497 | 497 | int rs232saferead(rs232port_t fd,char* data,int count ) |
|
498 | 498 | { |
|
499 | 499 | int read=0; |
|
500 | 500 | int i=0; |
|
501 | 501 | for(i=0;i<1000;i++) |
|
502 | 502 | { |
|
503 | 503 | read = rs232read((int)fd,data,count); |
|
504 | 504 | //printf("read %d bytes\n",read); |
|
505 | 505 | if(read==-1)read=0; |
|
506 | 506 | count-=read; |
|
507 | 507 | data+=read; |
|
508 | 508 | if(count==0) |
|
509 | 509 | return 0; |
|
510 | 510 | usleep(10); |
|
511 | 511 | } |
|
512 | 512 | return -1; |
|
513 | 513 | } |
|
514 | 514 | |
|
515 | 515 | |
|
516 | 516 | |
|
517 | 517 | int rs232safewrite(rs232port_t fd,char* data,int count) |
|
518 | 518 | { |
|
519 | 519 | int written=0; |
|
520 | 520 | int i=0; |
|
521 | 521 | for(i=0;i<1000;i++) |
|
522 | 522 | { |
|
523 | 523 | written = rs232write((int)fd,data+written,count); |
|
524 | 524 | //printf("%d bytes written\n",written); |
|
525 | 525 | if(written==-1)written=0; |
|
526 | 526 | count-=written; |
|
527 | 527 | data+=written; |
|
528 | 528 | if(count==0) |
|
529 | 529 | return 0; |
|
530 | 530 | } |
|
531 | 531 | return -1; |
|
532 | 532 | } |
|
533 | 533 | |
|
534 | 534 | #endif |
|
535 | 535 | #endif //#ifdef HAVE_TERMIOS_H |
|
536 | 536 |
@@ -1,365 +1,365 | |||
|
1 | 1 | #include "rs232config.h" |
|
2 | 2 | #include <stdio.h> |
|
3 | 3 | #include <unistd.h> |
|
4 | 4 | #include <fcntl.h> |
|
5 | 5 | #include <string.h> |
|
6 | 6 | #include <errno.h> |
|
7 | 7 | #include <malloc.h> |
|
8 | 8 | |
|
9 | 9 | #ifdef HAVE_WINDOWS_H |
|
10 | 10 | #include <windows.h> |
|
11 | 11 | #endif |
|
12 | 12 | #include "RS232.h" |
|
13 | 13 | |
|
14 | 14 | #ifdef HAVE_WINDOWS_H |
|
15 | 15 | |
|
16 | 16 | |
|
17 | 17 | int privatedecodeparity(rs232parity Parity ) |
|
18 | 18 | { |
|
19 | 19 | switch(Parity) |
|
20 | 20 | { |
|
21 | 21 | case rs232parityNo: |
|
22 | 22 | return NOPARITY; |
|
23 | 23 | break; |
|
24 | 24 | case rs232parityOdd: |
|
25 | 25 | return ODDPARITY; |
|
26 | 26 | break; |
|
27 | 27 | case rs232parityEven: |
|
28 | 28 | return EVENPARITY; |
|
29 | 29 | break; |
|
30 | 30 | default: |
|
31 | 31 | return NOPARITY; |
|
32 | 32 | break; |
|
33 | 33 | } |
|
34 | 34 | } |
|
35 | 35 | |
|
36 | 36 | int privatedecodestop(rs232stop NbStop) |
|
37 | 37 | { |
|
38 | 38 | switch(NbStop) |
|
39 | 39 | { |
|
40 | 40 | case rs232OneStop: |
|
41 | 41 | return ONESTOPBIT; |
|
42 | 42 | break; |
|
43 | 43 | case rs232One5Stop: |
|
44 | 44 | return ONE5STOPBITS; |
|
45 | 45 | break; |
|
46 | 46 | case rs232TwoStop: |
|
47 | 47 | return TWOSTOPBITS; |
|
48 | 48 | break; |
|
49 | 49 | default: |
|
50 | 50 | return ONESTOPBIT; |
|
51 | 51 | break; |
|
52 | 52 | } |
|
53 | 53 | } |
|
54 | 54 | |
|
55 | 55 | |
|
56 | 56 | |
|
57 | 57 | rs232speed_t rs232cfspeed(unsigned int BaudeRate) |
|
58 | 58 | { |
|
59 | 59 | |
|
60 | 60 | if(BaudeRate<123) |
|
61 | 61 | return (rs232speed_t)CBR_110; |
|
62 | 62 | |
|
63 | 63 | if(BaudeRate<450) |
|
64 | 64 | return (rs232speed_t)CBR_300; |
|
65 | 65 | |
|
66 | 66 | if(BaudeRate<900) |
|
67 | 67 | return (rs232speed_t)CBR_600; |
|
68 | 68 | |
|
69 | 69 | if(BaudeRate<1500) |
|
70 | 70 | return (rs232speed_t)CBR_1200; |
|
71 | 71 | |
|
72 | 72 | if(BaudeRate<3600) |
|
73 | 73 | return (rs232speed_t)CBR_2400; |
|
74 | 74 | |
|
75 | 75 | if(BaudeRate<7200) |
|
76 | 76 | return (rs232speed_t)CBR_4800; |
|
77 | 77 | |
|
78 | 78 | if(BaudeRate<14000) |
|
79 | 79 | return (rs232speed_t)CBR_9600; |
|
80 | 80 | |
|
81 | 81 | if(BaudeRate<16800) |
|
82 | 82 | return (rs232speed_t)CBR_14400; |
|
83 | 83 | |
|
84 | 84 | if(BaudeRate<28800) |
|
85 | 85 | return (rs232speed_t)CBR_19200; |
|
86 | 86 | |
|
87 | 87 | if(BaudeRate<48000) |
|
88 | 88 | return (rs232speed_t)CBR_38400; |
|
89 | 89 | |
|
90 | 90 | if(BaudeRate<86400) |
|
91 | 91 | return (rs232speed_t)CBR_57600; |
|
92 | 92 | |
|
93 | 93 | if(BaudeRate<172800) |
|
94 | 94 | return (rs232speed_t)CBR_115200; |
|
95 | 95 | else |
|
96 | 96 | return (rs232speed_t)CBR_256000; |
|
97 | 97 | } |
|
98 | 98 | |
|
99 | 99 | |
|
100 | 100 | rs232port_t rs232open(char* psPortName) |
|
101 | 101 | { |
|
102 | 102 | rs232port_t fd; |
|
103 | 103 | fd = (rs232port_t)CreateFile(psPortName,GENERIC_READ | GENERIC_WRITE,0,0,OPEN_EXISTING,FILE_ATTRIBUTE_NORMAL,0); |
|
104 | #ifdef debug | |
|
104 | #ifdef RS232_debug | |
|
105 | 105 | if(fd==(rs232port_t)INVALID_HANDLE_VALUE) |
|
106 | 106 | { |
|
107 | 107 | printf("can't open Port\n"); |
|
108 | 108 | return (rs232port_t)badPortValue; |
|
109 | 109 | } |
|
110 | 110 | #endif |
|
111 | 111 | return fd; |
|
112 | 112 | } |
|
113 | 113 | |
|
114 | 114 | int rs232close(rs232port_t fd) |
|
115 | 115 | { |
|
116 | 116 | if (fd == (rs232port_t)INVALID_HANDLE_VALUE) |
|
117 | 117 | { |
|
118 | 118 | return (rs232port_t)badPortValue; |
|
119 | 119 | } |
|
120 | 120 | else |
|
121 | 121 | { |
|
122 | 122 | CloseHandle((HANDLE)fd); |
|
123 | 123 | return rs232noerr; |
|
124 | 124 | } |
|
125 | 125 | } |
|
126 | 126 | |
|
127 | 127 | rs232portslist_t* rs232getportlist() //here is the very dirty way! |
|
128 | 128 | { |
|
129 | 129 | int i=0; |
|
130 | 130 | char devName[]="COM111"; |
|
131 | 131 | rs232port_t testport; |
|
132 | 132 | rs232portslist_t* firstitem=NULL; |
|
133 | 133 | rs232portslist_t* previtem=NULL; |
|
134 | 134 | for(i=0;i<256;i++) |
|
135 | 135 | { |
|
136 | 136 | devName[3] = '\0'; |
|
137 | 137 | devName[4] = '\0'; |
|
138 | 138 | devName[5] = '\0'; |
|
139 | 139 | devName[6] = '\0'; |
|
140 | 140 | sprintf(devName+3,"%d",i); |
|
141 | 141 | testport= rs232open(devName); |
|
142 | 142 | if(testport != (rs232port_t)badPortValue) |
|
143 | 143 | { |
|
144 | 144 | rs232portslist_t* item = (rs232portslist_t*)malloc(sizeof(rs232portslist_t)); |
|
145 | 145 | char* name = (char*)malloc(7); |
|
146 | 146 | strcpy(name,devName); |
|
147 | 147 | item->name = name; |
|
148 | 148 | item->next = NULL; |
|
149 | 149 | if(NULL!=previtem)previtem->next = item; |
|
150 | 150 | previtem = item; |
|
151 | 151 | if(NULL==firstitem)firstitem = item; |
|
152 | 152 | rs232close(testport); |
|
153 | 153 | } |
|
154 | 154 | } |
|
155 | 155 | return firstitem; |
|
156 | 156 | } |
|
157 | 157 | |
|
158 | 158 | void rs232deleteportlist(rs232portslist_t* list) |
|
159 | 159 | { |
|
160 | 160 | if(list!=NULL) |
|
161 | 161 | { |
|
162 | 162 | if(list->next != NULL) |
|
163 | 163 | rs232deleteportlist(list->next); |
|
164 | 164 | free(list); |
|
165 | 165 | } |
|
166 | 166 | } |
|
167 | 167 | |
|
168 | 168 | |
|
169 | 169 | int rs232setup(rs232port_t fd, int ChSize, int BaudeRate, rs232parity Parity, rs232stop NbStop) |
|
170 | 170 | { |
|
171 | 171 | if (fd == (rs232port_t)INVALID_HANDLE_VALUE) |
|
172 | 172 | { |
|
173 | 173 | return (rs232port_t)badPortValue; |
|
174 | 174 | } |
|
175 | 175 | else |
|
176 | 176 | { |
|
177 | 177 | DCB dcbSerialParams = {0}; |
|
178 | 178 | dcbSerialParams.DCBlength=sizeof(dcbSerialParams); |
|
179 | 179 | GetCommState((HANDLE)fd, &dcbSerialParams); |
|
180 | 180 | dcbSerialParams.BaudRate=rs232cfspeed(BaudeRate); |
|
181 | 181 | dcbSerialParams.ByteSize=ChSize; |
|
182 | 182 | dcbSerialParams.StopBits=privatedecodestop(NbStop); |
|
183 | 183 | dcbSerialParams.Parity=privatedecodeparity(Parity); |
|
184 | 184 | SetCommState((HANDLE)fd, &dcbSerialParams); |
|
185 | 185 | COMMTIMEOUTS timeouts={0}; |
|
186 | 186 | timeouts.ReadIntervalTimeout=100; |
|
187 | 187 | timeouts.ReadTotalTimeoutConstant=100; |
|
188 | 188 | timeouts.ReadTotalTimeoutMultiplier=1; |
|
189 | 189 | timeouts.WriteTotalTimeoutConstant=100; |
|
190 | 190 | timeouts.WriteTotalTimeoutMultiplier=10; |
|
191 | 191 | SetCommTimeouts((HANDLE)fd, &timeouts); |
|
192 | 192 | return rs232noerr; |
|
193 | 193 | } |
|
194 | 194 | } |
|
195 | 195 | |
|
196 | 196 | int rs232setbaudrate(rs232port_t fd, int baudrate) |
|
197 | 197 | { |
|
198 | 198 | if (fd == (rs232port_t)INVALID_HANDLE_VALUE) |
|
199 | 199 | { |
|
200 | 200 | return (rs232port_t)badPortValue; |
|
201 | 201 | } |
|
202 | 202 | else |
|
203 | 203 | { |
|
204 | 204 | DCB dcbSerialParams = {0}; |
|
205 | 205 | dcbSerialParams.DCBlength=sizeof(dcbSerialParams); |
|
206 | 206 | GetCommState((HANDLE)fd, &dcbSerialParams); |
|
207 | 207 | dcbSerialParams.BaudRate=rs232cfspeed(baudrate); |
|
208 | 208 | SetCommState((HANDLE)fd, &dcbSerialParams); |
|
209 | 209 | return rs232noerr; |
|
210 | 210 | } |
|
211 | 211 | } |
|
212 | 212 | |
|
213 | 213 | int rs232setparity(rs232port_t fd, rs232parity Parity) |
|
214 | 214 | { |
|
215 | 215 | if (fd == (rs232port_t)INVALID_HANDLE_VALUE) |
|
216 | 216 | { |
|
217 | 217 | return (rs232port_t)badPortValue; |
|
218 | 218 | } |
|
219 | 219 | else |
|
220 | 220 | { |
|
221 | 221 | DCB dcbSerialParams = {0}; |
|
222 | 222 | dcbSerialParams.DCBlength=sizeof(dcbSerialParams); |
|
223 | 223 | GetCommState((HANDLE)fd, &dcbSerialParams); |
|
224 | 224 | dcbSerialParams.Parity = privatedecodeparity(Parity); |
|
225 | 225 | SetCommState((HANDLE)fd, &dcbSerialParams); |
|
226 | 226 | return rs232noerr; |
|
227 | 227 | } |
|
228 | 228 | } |
|
229 | 229 | |
|
230 | 230 | int rs232setnbstop(rs232port_t fd, rs232stop NbStop) |
|
231 | 231 | { |
|
232 | 232 | if (fd == (rs232port_t)INVALID_HANDLE_VALUE) |
|
233 | 233 | { |
|
234 | 234 | return (rs232port_t)badPortValue; |
|
235 | 235 | } |
|
236 | 236 | else |
|
237 | 237 | { |
|
238 | 238 | DCB dcbSerialParams = {0}; |
|
239 | 239 | dcbSerialParams.DCBlength=sizeof(dcbSerialParams); |
|
240 | 240 | GetCommState((HANDLE)fd, &dcbSerialParams); |
|
241 | 241 | dcbSerialParams.StopBits = privatedecodestop(NbStop); |
|
242 | 242 | SetCommState((HANDLE)fd, &dcbSerialParams); |
|
243 | 243 | return rs232noerr; |
|
244 | 244 | } |
|
245 | 245 | } |
|
246 | 246 | |
|
247 | 247 | |
|
248 | 248 | int rs232setcsize(rs232port_t fd, int ChSize) |
|
249 | 249 | { |
|
250 | 250 | if (fd == (rs232port_t)INVALID_HANDLE_VALUE) |
|
251 | 251 | { |
|
252 | 252 | return (rs232port_t)badPortValue; |
|
253 | 253 | } |
|
254 | 254 | else |
|
255 | 255 | { |
|
256 | 256 | DCB dcbSerialParams = {0}; |
|
257 | 257 | dcbSerialParams.DCBlength=sizeof(dcbSerialParams); |
|
258 | 258 | GetCommState((HANDLE)fd, &dcbSerialParams); |
|
259 | 259 | dcbSerialParams.ByteSize = ChSize; |
|
260 | 260 | SetCommState((HANDLE)fd, &dcbSerialParams); |
|
261 | 261 | return rs232noerr; |
|
262 | 262 | } |
|
263 | 263 | } |
|
264 | 264 | |
|
265 | 265 | |
|
266 | 266 | |
|
267 | 267 | |
|
268 | 268 | |
|
269 | 269 | |
|
270 | 270 | int rs232write(rs232port_t fd,char *psWrite, int WriteBufferSize) |
|
271 | 271 | { |
|
272 | 272 | |
|
273 | 273 | if (fd == (rs232port_t)INVALID_HANDLE_VALUE) |
|
274 | 274 | { |
|
275 | 275 | return (rs232port_t)badPortValue; |
|
276 | 276 | } |
|
277 | 277 | else |
|
278 | 278 | { |
|
279 | 279 | DWORD dwBytesWriten = 0; |
|
280 | 280 | WriteFile((HANDLE)fd, psWrite, WriteBufferSize, &dwBytesWriten, NULL); |
|
281 | 281 | return dwBytesWriten; |
|
282 | 282 | } |
|
283 | 283 | } |
|
284 | 284 | |
|
285 | 285 | |
|
286 | 286 | int rs232read(rs232port_t fd,char *psRead, int ReadBufferSize) |
|
287 | 287 | { |
|
288 | 288 | |
|
289 | 289 | if (fd == (rs232port_t)INVALID_HANDLE_VALUE) |
|
290 | 290 | { |
|
291 | 291 | return (rs232port_t)badPortValue; |
|
292 | 292 | } |
|
293 | 293 | else |
|
294 | 294 | { |
|
295 | 295 | DWORD dwBytesRead = 0; |
|
296 | 296 | ReadFile((HANDLE)fd, psRead, ReadBufferSize, &dwBytesRead, NULL); |
|
297 | 297 | return dwBytesRead; |
|
298 | 298 | } |
|
299 | 299 | |
|
300 | 300 | } |
|
301 | 301 | |
|
302 | 302 | |
|
303 | 303 | int rs232saferead(rs232port_t fd,char* data,int count ) |
|
304 | 304 | { |
|
305 | 305 | int read=0; |
|
306 | 306 | int i=0; |
|
307 | 307 | for(i=0;i<100;i++) |
|
308 | 308 | { |
|
309 | 309 | read = rs232read(fd,data,count); |
|
310 | 310 | count -=read; |
|
311 | 311 | data+=read; |
|
312 | 312 | if(count==0) |
|
313 | 313 | return rs232noerr; |
|
314 | 314 | } |
|
315 | 315 | return -1; |
|
316 | 316 | } |
|
317 | 317 | |
|
318 | 318 | |
|
319 | 319 | |
|
320 | 320 | int rs232safewrite(rs232port_t fd,char* data,int count) |
|
321 | 321 | { |
|
322 | 322 | int written=0; |
|
323 | 323 | int i=0; |
|
324 | 324 | for(i=0;i<1000;i++) |
|
325 | 325 | { |
|
326 | 326 | written = rs232write(fd,data+written,count); |
|
327 | 327 | count-=written; |
|
328 | 328 | data+=written; |
|
329 | 329 | if(count==0) |
|
330 | 330 | return rs232noerr; |
|
331 | 331 | } |
|
332 | 332 | return -1; |
|
333 | 333 | } |
|
334 | 334 | |
|
335 | 335 | |
|
336 | 336 | int rs232setRTS(rs232port_t fd) |
|
337 | 337 | { |
|
338 | 338 | if(EscapeCommFunction((HANDLE)fd, CLRRTS)) |
|
339 | 339 | return rs232noerr; |
|
340 | 340 | return -1; |
|
341 | 341 | } |
|
342 | 342 | |
|
343 | 343 | int rs232clearRTS(rs232port_t fd) |
|
344 | 344 | { |
|
345 | 345 | if(EscapeCommFunction((HANDLE)fd, SETRTS)) |
|
346 | 346 | return rs232noerr; |
|
347 | 347 | return -1; |
|
348 | 348 | } |
|
349 | 349 | |
|
350 | 350 | int rs232setDTR(rs232port_t fd) |
|
351 | 351 | { |
|
352 | 352 | if(EscapeCommFunction((HANDLE)fd, CLRDTR)) |
|
353 | 353 | return rs232noerr; |
|
354 | 354 | return -1; |
|
355 | 355 | } |
|
356 | 356 | |
|
357 | 357 | |
|
358 | 358 | int rs232clearDTR(rs232port_t fd) |
|
359 | 359 | { |
|
360 | 360 | if(EscapeCommFunction((HANDLE)fd, SETDTR)) |
|
361 | 361 | return rs232noerr; |
|
362 | 362 | return -1; |
|
363 | 363 | } |
|
364 | 364 | |
|
365 | 365 | #endif //#ifdef HAVE_WINDOWS_H |
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