@@ -1,388 +1,388 | |||||
1 | #include <stdio.h> |
|
1 | #include <stdio.h> | |
2 | #include <unistd.h> |
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2 | #include <unistd.h> | |
3 | #include <fcntl.h> |
|
3 | #include <fcntl.h> | |
4 | #include <string.h> |
|
4 | #include <string.h> | |
5 | #include <errno.h> |
|
5 | #include <errno.h> | |
6 | #include <malloc.h> |
|
6 | #include <malloc.h> | |
7 |
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7 | |||
8 | #include <windows.h> |
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8 | #include <windows.h> | |
9 | #include "RS232.h" |
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9 | #include "RS232.h" | |
10 | #include <locale.h> |
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10 | #include <locale.h> | |
11 |
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11 | |||
12 |
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12 | |||
13 |
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13 | |||
14 | int privatedecodeparity(rs232parity Parity ) |
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14 | int privatedecodeparity(rs232parity Parity ) | |
15 | { |
|
15 | { | |
16 | switch(Parity) |
|
16 | switch(Parity) | |
17 | { |
|
17 | { | |
18 | case rs232parityNo: |
|
18 | case rs232parityNo: | |
19 | return NOPARITY; |
|
19 | return NOPARITY; | |
20 | break; |
|
20 | break; | |
21 | case rs232parityOdd: |
|
21 | case rs232parityOdd: | |
22 | return ODDPARITY; |
|
22 | return ODDPARITY; | |
23 | break; |
|
23 | break; | |
24 | case rs232parityEven: |
|
24 | case rs232parityEven: | |
25 | return EVENPARITY; |
|
25 | return EVENPARITY; | |
26 | break; |
|
26 | break; | |
27 | default: |
|
27 | default: | |
28 | return NOPARITY; |
|
28 | return NOPARITY; | |
29 | break; |
|
29 | break; | |
30 | } |
|
30 | } | |
31 | } |
|
31 | } | |
32 |
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32 | |||
33 | int privatedecodestop(rs232stop NbStop) |
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33 | int privatedecodestop(rs232stop NbStop) | |
34 | { |
|
34 | { | |
35 | switch(NbStop) |
|
35 | switch(NbStop) | |
36 | { |
|
36 | { | |
37 | case rs232OneStop: |
|
37 | case rs232OneStop: | |
38 | return ONESTOPBIT; |
|
38 | return ONESTOPBIT; | |
39 | break; |
|
39 | break; | |
40 | case rs232One5Stop: |
|
40 | case rs232One5Stop: | |
41 | return ONE5STOPBITS; |
|
41 | return ONE5STOPBITS; | |
42 | break; |
|
42 | break; | |
43 | case rs232TwoStop: |
|
43 | case rs232TwoStop: | |
44 | return TWOSTOPBITS; |
|
44 | return TWOSTOPBITS; | |
45 | break; |
|
45 | break; | |
46 | default: |
|
46 | default: | |
47 | return ONESTOPBIT; |
|
47 | return ONESTOPBIT; | |
48 | break; |
|
48 | break; | |
49 | } |
|
49 | } | |
50 | } |
|
50 | } | |
51 |
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51 | |||
52 |
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52 | |||
53 |
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53 | |||
54 | rs232speed_t rs232cfspeed(unsigned int BaudeRate) |
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54 | rs232speed_t rs232cfspeed(unsigned int BaudeRate) | |
55 | { |
|
55 | { | |
56 |
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56 | |||
57 | if(BaudeRate<123) |
|
57 | if(BaudeRate<123) | |
58 | return (rs232speed_t)CBR_110; |
|
58 | return (rs232speed_t)CBR_110; | |
59 |
|
59 | |||
60 | if(BaudeRate<450) |
|
60 | if(BaudeRate<450) | |
61 | return (rs232speed_t)CBR_300; |
|
61 | return (rs232speed_t)CBR_300; | |
62 |
|
62 | |||
63 | if(BaudeRate<900) |
|
63 | if(BaudeRate<900) | |
64 | return (rs232speed_t)CBR_600; |
|
64 | return (rs232speed_t)CBR_600; | |
65 |
|
65 | |||
66 | if(BaudeRate<1500) |
|
66 | if(BaudeRate<1500) | |
67 | return (rs232speed_t)CBR_1200; |
|
67 | return (rs232speed_t)CBR_1200; | |
68 |
|
68 | |||
69 | if(BaudeRate<3600) |
|
69 | if(BaudeRate<3600) | |
70 | return (rs232speed_t)CBR_2400; |
|
70 | return (rs232speed_t)CBR_2400; | |
71 |
|
71 | |||
72 | if(BaudeRate<7200) |
|
72 | if(BaudeRate<7200) | |
73 | return (rs232speed_t)CBR_4800; |
|
73 | return (rs232speed_t)CBR_4800; | |
74 |
|
74 | |||
75 | if(BaudeRate<14000) |
|
75 | if(BaudeRate<14000) | |
76 | return (rs232speed_t)CBR_9600; |
|
76 | return (rs232speed_t)CBR_9600; | |
77 |
|
77 | |||
78 | if(BaudeRate<16800) |
|
78 | if(BaudeRate<16800) | |
79 | return (rs232speed_t)CBR_14400; |
|
79 | return (rs232speed_t)CBR_14400; | |
80 |
|
80 | |||
81 | if(BaudeRate<28800) |
|
81 | if(BaudeRate<28800) | |
82 | return (rs232speed_t)CBR_19200; |
|
82 | return (rs232speed_t)CBR_19200; | |
83 |
|
83 | |||
84 | if(BaudeRate<48000) |
|
84 | if(BaudeRate<48000) | |
85 | return (rs232speed_t)CBR_38400; |
|
85 | return (rs232speed_t)CBR_38400; | |
86 |
|
86 | |||
87 | if(BaudeRate<86400) |
|
87 | if(BaudeRate<86400) | |
88 | return (rs232speed_t)CBR_57600; |
|
88 | return (rs232speed_t)CBR_57600; | |
89 |
|
89 | |||
90 | if(BaudeRate<172800) |
|
90 | if(BaudeRate<172800) | |
91 | return (rs232speed_t)CBR_115200; |
|
91 | return (rs232speed_t)CBR_115200; | |
92 |
|
92 | |||
93 | if(BaudeRate<345600) |
|
93 | if(BaudeRate<345600) | |
94 | return (rs232speed_t)230400; |
|
94 | return (rs232speed_t)230400; | |
95 |
|
95 | |||
96 | if(BaudeRate<345600) |
|
96 | if(BaudeRate<345600) | |
97 | return (rs232speed_t)460800; |
|
97 | return (rs232speed_t)460800; | |
98 |
|
98 | |||
99 | if(BaudeRate<748800) |
|
99 | if(BaudeRate<748800) | |
100 | return (rs232speed_t)576000; |
|
100 | return (rs232speed_t)576000; | |
101 |
|
101 | |||
102 | if(BaudeRate<1210800) |
|
102 | if(BaudeRate<1210800) | |
103 | return (rs232speed_t)921600; |
|
103 | return (rs232speed_t)921600; | |
104 |
|
104 | |||
105 | if(BaudeRate<1750000) |
|
105 | if(BaudeRate<1750000) | |
106 | return (rs232speed_t)1500000; |
|
106 | return (rs232speed_t)1500000; | |
107 |
|
107 | |||
108 | if(BaudeRate<2250000) |
|
108 | if(BaudeRate<2250000) | |
109 | return (rs232speed_t)2000000; |
|
109 | return (rs232speed_t)2000000; | |
110 |
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110 | |||
111 | if(BaudeRate<2750000) |
|
111 | if(BaudeRate<2750000) | |
112 | return (rs232speed_t)2500000; |
|
112 | return (rs232speed_t)2500000; | |
113 | else |
|
113 | else | |
114 | return (rs232speed_t)3000000; |
|
114 | return (rs232speed_t)3000000; | |
115 | } |
|
115 | } | |
116 |
|
116 | |||
117 |
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117 | |||
118 | rs232port_t rs232open(char* psPortName) |
|
118 | rs232port_t rs232open(char* psPortName) | |
119 | { |
|
119 | { | |
120 | rs232port_t fd; |
|
120 | rs232port_t fd; | |
121 | /* Char to Wchar conversion*/ |
|
121 | /* Char to Wchar conversion*/ | |
122 | int neededSize = MultiByteToWideChar(CP_ACP, 0, psPortName, -1, 0, 0); |
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122 | int neededSize = MultiByteToWideChar(CP_ACP, 0, psPortName, -1, 0, 0); | |
123 |
wchar_t* wcstr = |
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123 | wchar_t* wcstr = (wchar_t*)malloc(sizeof(wchar_t)*neededSize); | |
124 |
MultiByteToWideChar(CP_ACP, 0, |
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124 | MultiByteToWideChar(CP_ACP, 0, psPortName, -1, wcstr, neededSize); | |
125 | fd = (rs232port_t)CreateFile(wcstr,GENERIC_READ | GENERIC_WRITE,0,0,OPEN_EXISTING,FILE_ATTRIBUTE_NORMAL,0); |
|
125 | fd = (rs232port_t)CreateFile(wcstr,GENERIC_READ | GENERIC_WRITE,0,0,OPEN_EXISTING,FILE_ATTRIBUTE_NORMAL,0); | |
126 |
|
|
126 | free(wcstr); | |
127 | #ifdef RS232_debug |
|
127 | #ifdef RS232_debug | |
128 | if(fd==(rs232port_t)INVALID_HANDLE_VALUE) |
|
128 | if(fd==(rs232port_t)INVALID_HANDLE_VALUE) | |
129 | { |
|
129 | { | |
130 | printf("can't open Port\n"); |
|
130 | printf("can't open Port\n"); | |
131 | return (rs232port_t)badPortValue; |
|
131 | return (rs232port_t)badPortValue; | |
132 | } |
|
132 | } | |
133 | #endif |
|
133 | #endif | |
134 | return fd; |
|
134 | return fd; | |
135 | } |
|
135 | } | |
136 |
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136 | |||
137 | int rs232close(rs232port_t fd) |
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137 | int rs232close(rs232port_t fd) | |
138 | { |
|
138 | { | |
139 | if (fd == (rs232port_t)INVALID_HANDLE_VALUE) |
|
139 | if (fd == (rs232port_t)INVALID_HANDLE_VALUE) | |
140 | { |
|
140 | { | |
141 | return (rs232port_t)badPortValue; |
|
141 | return (rs232port_t)badPortValue; | |
142 | } |
|
142 | } | |
143 | else |
|
143 | else | |
144 | { |
|
144 | { | |
145 | CloseHandle((HANDLE)fd); |
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145 | CloseHandle((HANDLE)fd); | |
146 | return rs232noerr; |
|
146 | return rs232noerr; | |
147 | } |
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147 | } | |
148 | } |
|
148 | } | |
149 |
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149 | |||
150 | rs232portslist_t* rs232getportlist() //here is the very dirty way! |
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150 | rs232portslist_t* rs232getportlist() //here is the very dirty way! | |
151 | { |
|
151 | { | |
152 | int i=0; |
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152 | int i=0; | |
153 | char devName[]="COM111"; |
|
153 | char devName[]="COM111"; | |
154 | rs232port_t testport; |
|
154 | rs232port_t testport; | |
155 | rs232portslist_t* firstitem=NULL; |
|
155 | rs232portslist_t* firstitem=NULL; | |
156 | rs232portslist_t* previtem=NULL; |
|
156 | rs232portslist_t* previtem=NULL; | |
157 | for(i=0;i<256;i++) |
|
157 | for(i=0;i<256;i++) | |
158 | { |
|
158 | { | |
159 | devName[3] = '\0'; |
|
159 | devName[3] = '\0'; | |
160 | devName[4] = '\0'; |
|
160 | devName[4] = '\0'; | |
161 | devName[5] = '\0'; |
|
161 | devName[5] = '\0'; | |
162 | devName[6] = '\0'; |
|
162 | devName[6] = '\0'; | |
163 | sprintf(devName+3,"%d",i); |
|
163 | sprintf(devName+3,"%d",i); | |
164 | testport= rs232open(devName); |
|
164 | testport= rs232open(devName); | |
165 | if(testport != (rs232port_t)badPortValue) |
|
165 | if(testport != (rs232port_t)badPortValue) | |
166 | { |
|
166 | { | |
167 | rs232portslist_t* item = (rs232portslist_t*)malloc(sizeof(rs232portslist_t)); |
|
167 | rs232portslist_t* item = (rs232portslist_t*)malloc(sizeof(rs232portslist_t)); | |
168 | char* name = (char*)malloc(7); |
|
168 | char* name = (char*)malloc(7); | |
169 | strcpy(name,devName); |
|
169 | strcpy(name,devName); | |
170 | item->name = name; |
|
170 | item->name = name; | |
171 | item->next = NULL; |
|
171 | item->next = NULL; | |
172 | if(NULL!=previtem)previtem->next = item; |
|
172 | if(NULL!=previtem)previtem->next = item; | |
173 | previtem = item; |
|
173 | previtem = item; | |
174 | if(NULL==firstitem)firstitem = item; |
|
174 | if(NULL==firstitem)firstitem = item; | |
175 | rs232close(testport); |
|
175 | rs232close(testport); | |
176 | } |
|
176 | } | |
177 | } |
|
177 | } | |
178 | return firstitem; |
|
178 | return firstitem; | |
179 | } |
|
179 | } | |
180 |
|
180 | |||
181 | void rs232deleteportlist(rs232portslist_t* list) |
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181 | void rs232deleteportlist(rs232portslist_t* list) | |
182 | { |
|
182 | { | |
183 | if(list!=NULL) |
|
183 | if(list!=NULL) | |
184 | { |
|
184 | { | |
185 | if(list->next != NULL) |
|
185 | if(list->next != NULL) | |
186 | rs232deleteportlist(list->next); |
|
186 | rs232deleteportlist(list->next); | |
187 | free(list); |
|
187 | free(list); | |
188 | } |
|
188 | } | |
189 | } |
|
189 | } | |
190 |
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190 | |||
191 |
|
191 | |||
192 | int rs232setup(rs232port_t fd, int ChSize, int BaudeRate, rs232parity Parity, rs232stop NbStop) |
|
192 | int rs232setup(rs232port_t fd, int ChSize, int BaudeRate, rs232parity Parity, rs232stop NbStop) | |
193 | { |
|
193 | { | |
194 | if (fd == (rs232port_t)INVALID_HANDLE_VALUE) |
|
194 | if (fd == (rs232port_t)INVALID_HANDLE_VALUE) | |
195 | { |
|
195 | { | |
196 | return (rs232port_t)badPortValue; |
|
196 | return (rs232port_t)badPortValue; | |
197 | } |
|
197 | } | |
198 | else |
|
198 | else | |
199 | { |
|
199 | { | |
200 | DCB dcbSerialParams = {0}; |
|
200 | DCB dcbSerialParams = {0}; | |
201 | dcbSerialParams.DCBlength=sizeof(dcbSerialParams); |
|
201 | dcbSerialParams.DCBlength=sizeof(dcbSerialParams); | |
202 | GetCommState((HANDLE)fd, &dcbSerialParams); |
|
202 | GetCommState((HANDLE)fd, &dcbSerialParams); | |
203 | dcbSerialParams.BaudRate=rs232cfspeed(BaudeRate); |
|
203 | dcbSerialParams.BaudRate=rs232cfspeed(BaudeRate); | |
204 | dcbSerialParams.ByteSize=ChSize; |
|
204 | dcbSerialParams.ByteSize=ChSize; | |
205 | dcbSerialParams.StopBits=privatedecodestop(NbStop); |
|
205 | dcbSerialParams.StopBits=privatedecodestop(NbStop); | |
206 | dcbSerialParams.Parity=privatedecodeparity(Parity); |
|
206 | dcbSerialParams.Parity=privatedecodeparity(Parity); | |
207 | SetCommState((HANDLE)fd, &dcbSerialParams); |
|
207 | SetCommState((HANDLE)fd, &dcbSerialParams); | |
208 | COMMTIMEOUTS timeouts={0}; |
|
208 | COMMTIMEOUTS timeouts={0}; | |
209 | timeouts.ReadIntervalTimeout=100; |
|
209 | timeouts.ReadIntervalTimeout=100; | |
210 | timeouts.ReadTotalTimeoutConstant=100; |
|
210 | timeouts.ReadTotalTimeoutConstant=100; | |
211 | timeouts.ReadTotalTimeoutMultiplier=1; |
|
211 | timeouts.ReadTotalTimeoutMultiplier=1; | |
212 | timeouts.WriteTotalTimeoutConstant=100; |
|
212 | timeouts.WriteTotalTimeoutConstant=100; | |
213 | timeouts.WriteTotalTimeoutMultiplier=10; |
|
213 | timeouts.WriteTotalTimeoutMultiplier=10; | |
214 | SetCommTimeouts((HANDLE)fd, &timeouts); |
|
214 | SetCommTimeouts((HANDLE)fd, &timeouts); | |
215 | return rs232noerr; |
|
215 | return rs232noerr; | |
216 | } |
|
216 | } | |
217 | } |
|
217 | } | |
218 |
|
218 | |||
219 | int rs232setbaudrate(rs232port_t fd, int baudrate) |
|
219 | int rs232setbaudrate(rs232port_t fd, int baudrate) | |
220 | { |
|
220 | { | |
221 | if (fd == (rs232port_t)INVALID_HANDLE_VALUE) |
|
221 | if (fd == (rs232port_t)INVALID_HANDLE_VALUE) | |
222 | { |
|
222 | { | |
223 | return (rs232port_t)badPortValue; |
|
223 | return (rs232port_t)badPortValue; | |
224 | } |
|
224 | } | |
225 | else |
|
225 | else | |
226 | { |
|
226 | { | |
227 | DCB dcbSerialParams = {0}; |
|
227 | DCB dcbSerialParams = {0}; | |
228 | dcbSerialParams.DCBlength=sizeof(dcbSerialParams); |
|
228 | dcbSerialParams.DCBlength=sizeof(dcbSerialParams); | |
229 | GetCommState((HANDLE)fd, &dcbSerialParams); |
|
229 | GetCommState((HANDLE)fd, &dcbSerialParams); | |
230 | dcbSerialParams.BaudRate=rs232cfspeed(baudrate); |
|
230 | dcbSerialParams.BaudRate=rs232cfspeed(baudrate); | |
231 | SetCommState((HANDLE)fd, &dcbSerialParams); |
|
231 | SetCommState((HANDLE)fd, &dcbSerialParams); | |
232 | return rs232noerr; |
|
232 | return rs232noerr; | |
233 | } |
|
233 | } | |
234 | } |
|
234 | } | |
235 |
|
235 | |||
236 | int rs232setparity(rs232port_t fd, rs232parity Parity) |
|
236 | int rs232setparity(rs232port_t fd, rs232parity Parity) | |
237 | { |
|
237 | { | |
238 | if (fd == (rs232port_t)INVALID_HANDLE_VALUE) |
|
238 | if (fd == (rs232port_t)INVALID_HANDLE_VALUE) | |
239 | { |
|
239 | { | |
240 | return (rs232port_t)badPortValue; |
|
240 | return (rs232port_t)badPortValue; | |
241 | } |
|
241 | } | |
242 | else |
|
242 | else | |
243 | { |
|
243 | { | |
244 | DCB dcbSerialParams = {0}; |
|
244 | DCB dcbSerialParams = {0}; | |
245 | dcbSerialParams.DCBlength=sizeof(dcbSerialParams); |
|
245 | dcbSerialParams.DCBlength=sizeof(dcbSerialParams); | |
246 | GetCommState((HANDLE)fd, &dcbSerialParams); |
|
246 | GetCommState((HANDLE)fd, &dcbSerialParams); | |
247 | dcbSerialParams.Parity = privatedecodeparity(Parity); |
|
247 | dcbSerialParams.Parity = privatedecodeparity(Parity); | |
248 | SetCommState((HANDLE)fd, &dcbSerialParams); |
|
248 | SetCommState((HANDLE)fd, &dcbSerialParams); | |
249 | return rs232noerr; |
|
249 | return rs232noerr; | |
250 | } |
|
250 | } | |
251 | } |
|
251 | } | |
252 |
|
252 | |||
253 | int rs232setnbstop(rs232port_t fd, rs232stop NbStop) |
|
253 | int rs232setnbstop(rs232port_t fd, rs232stop NbStop) | |
254 | { |
|
254 | { | |
255 | if (fd == (rs232port_t)INVALID_HANDLE_VALUE) |
|
255 | if (fd == (rs232port_t)INVALID_HANDLE_VALUE) | |
256 | { |
|
256 | { | |
257 | return (rs232port_t)badPortValue; |
|
257 | return (rs232port_t)badPortValue; | |
258 | } |
|
258 | } | |
259 | else |
|
259 | else | |
260 | { |
|
260 | { | |
261 | DCB dcbSerialParams = {0}; |
|
261 | DCB dcbSerialParams = {0}; | |
262 | dcbSerialParams.DCBlength=sizeof(dcbSerialParams); |
|
262 | dcbSerialParams.DCBlength=sizeof(dcbSerialParams); | |
263 | GetCommState((HANDLE)fd, &dcbSerialParams); |
|
263 | GetCommState((HANDLE)fd, &dcbSerialParams); | |
264 | dcbSerialParams.StopBits = privatedecodestop(NbStop); |
|
264 | dcbSerialParams.StopBits = privatedecodestop(NbStop); | |
265 | SetCommState((HANDLE)fd, &dcbSerialParams); |
|
265 | SetCommState((HANDLE)fd, &dcbSerialParams); | |
266 | return rs232noerr; |
|
266 | return rs232noerr; | |
267 | } |
|
267 | } | |
268 | } |
|
268 | } | |
269 |
|
269 | |||
270 |
|
270 | |||
271 | int rs232setcsize(rs232port_t fd, int ChSize) |
|
271 | int rs232setcsize(rs232port_t fd, int ChSize) | |
272 | { |
|
272 | { | |
273 | if (fd == (rs232port_t)INVALID_HANDLE_VALUE) |
|
273 | if (fd == (rs232port_t)INVALID_HANDLE_VALUE) | |
274 | { |
|
274 | { | |
275 | return (rs232port_t)badPortValue; |
|
275 | return (rs232port_t)badPortValue; | |
276 | } |
|
276 | } | |
277 | else |
|
277 | else | |
278 | { |
|
278 | { | |
279 | DCB dcbSerialParams = {0}; |
|
279 | DCB dcbSerialParams = {0}; | |
280 | dcbSerialParams.DCBlength=sizeof(dcbSerialParams); |
|
280 | dcbSerialParams.DCBlength=sizeof(dcbSerialParams); | |
281 | GetCommState((HANDLE)fd, &dcbSerialParams); |
|
281 | GetCommState((HANDLE)fd, &dcbSerialParams); | |
282 | dcbSerialParams.ByteSize = ChSize; |
|
282 | dcbSerialParams.ByteSize = ChSize; | |
283 | SetCommState((HANDLE)fd, &dcbSerialParams); |
|
283 | SetCommState((HANDLE)fd, &dcbSerialParams); | |
284 | return rs232noerr; |
|
284 | return rs232noerr; | |
285 | } |
|
285 | } | |
286 | } |
|
286 | } | |
287 |
|
287 | |||
288 |
|
288 | |||
289 |
|
289 | |||
290 |
|
290 | |||
291 |
|
291 | |||
292 |
|
292 | |||
293 | int rs232write(rs232port_t fd,char *psWrite, int WriteBufferSize) |
|
293 | int rs232write(rs232port_t fd,char *psWrite, int WriteBufferSize) | |
294 | { |
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294 | { | |
295 |
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295 | |||
296 | if (fd == (rs232port_t)INVALID_HANDLE_VALUE) |
|
296 | if (fd == (rs232port_t)INVALID_HANDLE_VALUE) | |
297 | { |
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297 | { | |
298 | return (rs232port_t)badPortValue; |
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298 | return (rs232port_t)badPortValue; | |
299 | } |
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299 | } | |
300 | else |
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300 | else | |
301 | { |
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301 | { | |
302 | DWORD dwBytesWriten = 0; |
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302 | DWORD dwBytesWriten = 0; | |
303 | WriteFile((HANDLE)fd, psWrite, WriteBufferSize, &dwBytesWriten, NULL); |
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303 | WriteFile((HANDLE)fd, psWrite, WriteBufferSize, &dwBytesWriten, NULL); | |
304 | return dwBytesWriten; |
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304 | return dwBytesWriten; | |
305 | } |
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305 | } | |
306 | } |
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306 | } | |
307 |
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307 | |||
308 |
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308 | |||
309 | int rs232read(rs232port_t fd,char *psRead, int ReadBufferSize) |
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309 | int rs232read(rs232port_t fd,char *psRead, int ReadBufferSize) | |
310 | { |
|
310 | { | |
311 |
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311 | |||
312 | if (fd == (rs232port_t)INVALID_HANDLE_VALUE) |
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312 | if (fd == (rs232port_t)INVALID_HANDLE_VALUE) | |
313 | { |
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313 | { | |
314 | return (rs232port_t)badPortValue; |
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314 | return (rs232port_t)badPortValue; | |
315 | } |
|
315 | } | |
316 | else |
|
316 | else | |
317 | { |
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317 | { | |
318 | DWORD dwBytesRead = 0; |
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318 | DWORD dwBytesRead = 0; | |
319 | ReadFile((HANDLE)fd, psRead, ReadBufferSize, &dwBytesRead, NULL); |
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319 | ReadFile((HANDLE)fd, psRead, ReadBufferSize, &dwBytesRead, NULL); | |
320 | return dwBytesRead; |
|
320 | return dwBytesRead; | |
321 | } |
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321 | } | |
322 |
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322 | |||
323 | } |
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323 | } | |
324 |
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324 | |||
325 |
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325 | |||
326 | int rs232saferead(rs232port_t fd,char* data,int count ) |
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326 | int rs232saferead(rs232port_t fd,char* data,int count ) | |
327 | { |
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327 | { | |
328 | int read=0; |
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328 | int read=0; | |
329 | int i=0; |
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329 | int i=0; | |
330 | for(i=0;i<100;i++) |
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330 | for(i=0;i<100;i++) | |
331 | { |
|
331 | { | |
332 | read = rs232read(fd,data,count); |
|
332 | read = rs232read(fd,data,count); | |
333 | count -=read; |
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333 | count -=read; | |
334 | data+=read; |
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334 | data+=read; | |
335 | if(count==0) |
|
335 | if(count==0) | |
336 | return rs232noerr; |
|
336 | return rs232noerr; | |
337 | } |
|
337 | } | |
338 | return -1; |
|
338 | return -1; | |
339 | } |
|
339 | } | |
340 |
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340 | |||
341 |
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341 | |||
342 |
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342 | |||
343 | int rs232safewrite(rs232port_t fd,char* data,int count) |
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343 | int rs232safewrite(rs232port_t fd,char* data,int count) | |
344 | { |
|
344 | { | |
345 | int written=0; |
|
345 | int written=0; | |
346 | int i=0; |
|
346 | int i=0; | |
347 | for(i=0;i<1000;i++) |
|
347 | for(i=0;i<1000;i++) | |
348 | { |
|
348 | { | |
349 | written = rs232write(fd,data+written,count); |
|
349 | written = rs232write(fd,data+written,count); | |
350 | count-=written; |
|
350 | count-=written; | |
351 | data+=written; |
|
351 | data+=written; | |
352 | if(count==0) |
|
352 | if(count==0) | |
353 | return rs232noerr; |
|
353 | return rs232noerr; | |
354 | } |
|
354 | } | |
355 | return -1; |
|
355 | return -1; | |
356 | } |
|
356 | } | |
357 |
|
357 | |||
358 |
|
358 | |||
359 | int rs232setRTS(rs232port_t fd) |
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359 | int rs232setRTS(rs232port_t fd) | |
360 | { |
|
360 | { | |
361 | if(EscapeCommFunction((HANDLE)fd, CLRRTS)) |
|
361 | if(EscapeCommFunction((HANDLE)fd, CLRRTS)) | |
362 | return rs232noerr; |
|
362 | return rs232noerr; | |
363 | return -1; |
|
363 | return -1; | |
364 | } |
|
364 | } | |
365 |
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365 | |||
366 | int rs232clearRTS(rs232port_t fd) |
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366 | int rs232clearRTS(rs232port_t fd) | |
367 | { |
|
367 | { | |
368 | if(EscapeCommFunction((HANDLE)fd, SETRTS)) |
|
368 | if(EscapeCommFunction((HANDLE)fd, SETRTS)) | |
369 | return rs232noerr; |
|
369 | return rs232noerr; | |
370 | return -1; |
|
370 | return -1; | |
371 | } |
|
371 | } | |
372 |
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372 | |||
373 | int rs232setDTR(rs232port_t fd) |
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373 | int rs232setDTR(rs232port_t fd) | |
374 | { |
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374 | { | |
375 | if(EscapeCommFunction((HANDLE)fd, CLRDTR)) |
|
375 | if(EscapeCommFunction((HANDLE)fd, CLRDTR)) | |
376 | return rs232noerr; |
|
376 | return rs232noerr; | |
377 | return -1; |
|
377 | return -1; | |
378 | } |
|
378 | } | |
379 |
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379 | |||
380 |
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380 | |||
381 | int rs232clearDTR(rs232port_t fd) |
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381 | int rs232clearDTR(rs232port_t fd) | |
382 | { |
|
382 | { | |
383 | if(EscapeCommFunction((HANDLE)fd, SETDTR)) |
|
383 | if(EscapeCommFunction((HANDLE)fd, SETDTR)) | |
384 | return rs232noerr; |
|
384 | return rs232noerr; | |
385 | return -1; |
|
385 | return -1; | |
386 | } |
|
386 | } | |
387 |
|
387 | |||
388 |
|
388 |
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