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1 | #include "evdev_handler.h" |
1 | #include "evdev_handler.h" |
2 | #include "config.h" |
2 | #include "config.h" |
3 | 3 | ||
4 | int retval; |
4 | int retval; |
5 | size_t read_bytes; /* how many bytes were read */ |
5 | size_t read_bytes; /* how many bytes were read */ |
6 | struct input_event ev[64]; /* the events (up to 64 at once) */ |
6 | struct input_event ev[64]; /* the events (up to 64 at once) */ |
7 | struct input_event led_event; |
7 | struct input_event led_event; |
8 | 8 | ||
9 | 9 | ||
10 | 10 | ||
11 | int counter; |
11 | int counter; |
12 | 12 | ||
13 | int evdevs_count=0; |
13 | int evdevs_count=0; |
14 | int file_select(struct direct *entry) |
14 | int file_select(struct direct *entry) |
15 | { |
15 | { |
16 | 16 | ||
17 | if ((strncmp(entry->d_name, "event",5))==0) |
17 | if ((strncmp(entry->d_name, "event",5))==0) |
18 | return (TRUE); |
18 | return (TRUE); |
19 | else |
19 | else |
20 | return(FALSE); |
20 | return(FALSE); |
21 | } |
21 | } |
22 | 22 | ||
23 | 23 | ||
24 | void collect_evdev_devices() |
24 | void collect_evdev_devices() |
25 | { |
25 | { |
26 | 26 | ||
27 | char event_dev_path[]="/dev/input/"; |
27 | // char event_dev_path[]="/dev/input/"; |
28 | 28 | ||
29 | struct direct **files; |
29 | struct direct **files; |
30 | evdevs_count = scandir(event_dev_path, &files, file_select, NULL); |
30 | evdevs_count = scandir(evdev_path, &files, file_select, NULL); |
31 | 31 | ||
32 | printf("%d inputs found in %s\n" , evdevs_count,event_dev_path); |
32 | printf("%d inputs found in %s\n" , evdevs_count,evdev_path); |
33 | 33 | ||
34 | int i=0; |
34 | int i=0; |
35 | for (i=1;i<evdevs_count+1;++i) |
35 | for (i=1;i<evdevs_count+1;++i) |
36 | { |
36 | { |
37 | 37 | ||
38 | printf("%s",files[i-1]->d_name); |
38 | printf("%s",files[i-1]->d_name); |
39 | sprintf(evdevs[i].fname,"%s%s",event_dev_path,files[i-1]->d_name); |
39 | sprintf(evdevs[i].fname,"%s%s",evdev_path,files[i-1]->d_name); |
40 | int act_fd; |
40 | int act_fd; |
41 | 41 | ||
42 | if ((act_fd = open(evdevs[i].fname, O_RDONLY)) < 0) |
42 | if ((act_fd = open(evdevs[i].fname, O_RDONLY)) < 0) |
43 | { |
43 | { |
44 | printf(" cant open %s for reading!",evdevs[i].name); |
44 | printf(" cant open %s for reading!",evdevs[i].name); |
45 | 45 | ||
46 | } |
46 | } |
47 | else |
47 | else |
48 | { |
48 | { |
49 | if(ioctl(act_fd , EVIOCGNAME(sizeof(evdevs[i].name)), evdevs[i].name) < 0) { |
49 | if(ioctl(act_fd , EVIOCGNAME(sizeof(evdevs[i].name)), evdevs[i].name) < 0) { |
50 | perror("evdev ioctl"); |
50 | perror("evdev ioctl"); |
51 | } |
51 | } |
52 | 52 | ||
53 | printf("EVDEV reports name: %s\n", evdevs[i].name); |
53 | printf("EVDEV reports name: %s\n", evdevs[i].name); |
54 | close(act_fd); |
54 | close(act_fd); |
55 | } |
55 | } |
56 | 56 | ||
57 | 57 | ||
58 | /* |
58 | /* |
59 | FILE *fp=NULL ; |
59 | FILE *fp=NULL ; |
60 | 60 | ||
61 | sprintf(evdevs[i].fname,"/sys/class/input/%s/name",files[i-1]->d_name); |
61 | sprintf(evdevs[i].fname,"/sys/class/input/%s/name",files[i-1]->d_name); |
62 | fp = fopen ( evdevs[i].fname, "r") ; |
62 | fp = fopen ( evdevs[i].fname, "r") ; |
63 | 63 | ||
64 | if (fp==NULL) |
64 | if (fp==NULL) |
65 | { |
65 | { |
66 | printf("cannot read %s\n",evdevs[i].fname); |
66 | printf("cannot read %s\n",evdevs[i].fname); |
67 | // exit(1); |
67 | // exit(1); |
68 | } |
68 | } |
69 | int ch=-2; |
69 | int ch=-2; |
70 | int str_pos=0; |
70 | int str_pos=0; |
71 | while ( (ch!=-1) && (ch!='\n') ) |
71 | while ( (ch!=-1) && (ch!='\n') ) |
72 | { |
72 | { |
73 | 73 | ||
74 | ch = fgetc ( fp ) ; |
74 | ch = fgetc ( fp ) ; |
75 | if ((ch!=13)&&(ch!=10))evdevs[i].name[str_pos++]=ch; |
75 | if ((ch!=13)&&(ch!=10))evdevs[i].name[str_pos++]=ch; |
76 | printf("%c",ch); |
76 | printf("%c",ch); |
77 | } |
77 | } |
78 | 78 | ||
79 | fclose(fp); |
79 | fclose(fp); |
80 | evdevs[i].name[str_pos++]=0; |
80 | evdevs[i].name[str_pos++]=0; |
81 | */ |
81 | */ |
82 | 82 | ||
83 | } |
83 | } |
84 | } |
84 | } |
85 | 85 | ||
86 | 86 | ||
87 | void print_event_str(int id) |
87 | void print_event_str(int id) |
88 | { |
88 | { |
89 | switch ( id) |
89 | switch ( id) |
90 | { |
90 | { |
91 | case EV_KEY : |
91 | case EV_KEY : |
92 | printf("Keys or Button\n"); |
92 | printf("Keys or Button\n"); |
93 | break; |
93 | break; |
94 | case EV_ABS : |
94 | case EV_ABS : |
95 | printf("Absolute Axis\n"); |
95 | printf("Absolute Axis\n"); |
96 | break; |
96 | break; |
97 | case EV_LED : |
97 | case EV_LED : |
98 | printf("LED(s)\n"); |
98 | printf("LED(s)\n"); |
99 | break; |
99 | break; |
100 | case EV_REP : |
100 | case EV_REP : |
101 | printf("Repeat\n"); |
101 | printf("Repeat\n"); |
102 | break; |
102 | break; |
103 | case EV_SYN : |
103 | case EV_SYN : |
104 | printf("Sync?\n"); |
104 | printf("Sync?\n"); |
105 | break; |
105 | break; |
106 | case EV_REL : |
106 | case EV_REL : |
107 | printf("Relative Axis\n"); |
107 | printf("Relative Axis\n"); |
108 | break; |
108 | break; |
109 | case EV_MSC : |
109 | case EV_MSC : |
110 | printf("Misc\n"); |
110 | printf("Misc\n"); |
111 | break; |
111 | break; |
112 | default: |
112 | default: |
113 | printf("Unknown event type ( 0x%04hx)\n", id); |
113 | printf("Unknown event type ( 0x%04hx)\n", id); |
114 | } |
114 | } |
115 | 115 | ||
116 | return ""; |
116 | return ""; |
117 | } |
117 | } |
118 | 118 | ||
119 | int connect_evdev() |
119 | int connect_evdev() |
120 | { |
120 | { |
121 | 121 | ||
122 | 122 | ||
123 | struct input_devinfo { |
123 | struct input_devinfo { |
124 | uint16_t bustype; |
124 | uint16_t bustype; |
125 | uint16_t vendor; |
125 | uint16_t vendor; |
126 | uint16_t product; |
126 | uint16_t product; |
127 | uint16_t version; |
127 | uint16_t version; |
128 | }; |
128 | }; |
129 | struct input_devinfo device_info; |
129 | struct input_devinfo device_info; |
130 | 130 | ||
131 | int i; |
131 | int i; |
132 | for ( i =0 ; i< input_count;i++) |
132 | for ( i =0 ; i< input_count;i++) |
133 | { |
133 | { |
134 | inputs[i].evdev_rel_axis = (int *) calloc( 100, sizeof( int ) ); |
134 | inputs[i].evdev_rel_axis = (int *) calloc( 100, sizeof( int ) ); |
135 | inputs[i].evdev_button = (char *)calloc( 500, sizeof( char ) ); |
135 | inputs[i].evdev_button = (char *)calloc( 500, sizeof( char ) ); |
136 | 136 | ||
137 | if ((inputs[i].evdev_out_fd = open(inputs[i].fname, O_WRONLY)) < 0) |
137 | if ((inputs[i].evdev_out_fd = open(inputs[i].fname, O_WRONLY)) < 0) |
138 | { |
138 | { |
139 | printf(" cant open %s for writing\n",inputs[i].fname); |
139 | printf(" cant open %s for writing\n",inputs[i].fname); |
140 | 140 | ||
141 | } |
141 | } |
142 | 142 | ||
143 | if ((inputs[i].evdev_in_fd = open(inputs[i].fname, O_RDONLY)) < 0) |
143 | if ((inputs[i].evdev_in_fd = open(inputs[i].fname, O_RDONLY)) < 0) |
144 | { |
144 | { |
145 | printf(" cant open %s for reading!",inputs[i].fname); |
145 | printf(" cant open %s for reading!",inputs[i].fname); |
146 | return 0; |
146 | return 0; |
147 | } |
147 | } |
148 | 148 | ||
149 | ioctl(inputs[i].evdev_in_fd ,EVIOCGID,&device_info); |
149 | ioctl(inputs[i].evdev_in_fd ,EVIOCGID,&device_info); |
150 | 150 | ||
151 | printf("vendor 0x%04hx product 0x%04hx version 0x%04hx \n", |
151 | printf("vendor 0x%04hx product 0x%04hx version 0x%04hx \n", |
152 | device_info.vendor, device_info.product, |
152 | device_info.vendor, device_info.product, |
153 | device_info.version); |
153 | device_info.version); |
154 | 154 | ||
155 | 155 | ||
156 | uint8_t evtype_bitmask[EV_MAX/8 + 1]; |
156 | uint8_t evtype_bitmask[EV_MAX/8 + 1]; |
157 | 157 | ||
158 | if(ioctl(inputs[i].evdev_in_fd , EVIOCGBIT(0, sizeof(evtype_bitmask)), evtype_bitmask) < 0) |
158 | if(ioctl(inputs[i].evdev_in_fd , EVIOCGBIT(0, sizeof(evtype_bitmask)), evtype_bitmask) < 0) |
159 | perror("evdev ioctl"); |
159 | perror("evdev ioctl"); |
160 | 160 | ||
161 | printf("Supported event types:\n"); |
161 | printf("Supported event types:\n"); |
162 | 162 | ||
163 | int i; |
163 | int i; |
164 | for (i = 0; i < EV_MAX; i++) { |
164 | for (i = 0; i < EV_MAX; i++) { |
165 | if (test_bit(i, evtype_bitmask)) { |
165 | if (test_bit(i, evtype_bitmask)) { |
166 | /* this means that the bit is set in the event types list */ |
166 | /* this means that the bit is set in the event types list */ |
167 | printf(" Event type 0x%02x ", i); |
167 | printf(" Event type 0x%02x ", i); |
168 | 168 | ||
169 | print_event_str(i); |
169 | print_event_str(i); |
170 | }} |
170 | }} |
171 | } |
171 | } |
172 | return 1; |
172 | return 1; |
173 | } |
173 | } |
174 | 174 | ||
175 | /* |
175 | /* |
176 | int init_evdevstatus_led() |
176 | int init_evdevstatus_led() |
177 | { |
177 | { |
178 | led_event.type=EV_LED; |
178 | led_event.type=EV_LED; |
179 | led_event.code = LED_MISC; |
179 | led_event.code = LED_MISC; |
180 | led_event.value = 1; |
180 | led_event.value = 1; |
181 | if (evdev_out_fd) |
181 | if (evdev_out_fd) |
182 | retval = write(evdev_out_fd, &led_event, sizeof(struct input_event)); |
182 | retval = write(evdev_out_fd, &led_event, sizeof(struct input_event)); |
183 | return 1; |
183 | return 1; |
184 | } |
184 | } |
185 | 185 | ||
186 | int blink_evdev_led() |
186 | int blink_evdev_led() |
187 | { |
187 | { |
188 | 188 | ||
189 | if (evdev_out_fd) |
189 | if (evdev_out_fd) |
190 | { |
190 | { |
191 | if (led_event.value) |
191 | if (led_event.value) |
192 | led_event.value = 0; |
192 | led_event.value = 0; |
193 | else |
193 | else |
194 | led_event.value = 1 ; |
194 | led_event.value = 1 ; |
195 | |
195 | |
196 | retval = write(evdev_out_fd, &led_event, sizeof(struct input_event)); |
196 | retval = write(evdev_out_fd, &led_event, sizeof(struct input_event)); |
197 | } |
197 | } |
198 | return 1; |
198 | return 1; |
199 | } |
199 | } |
200 | */ |
200 | */ |
201 | 201 | ||
202 | int poll_evdev() |
202 | int poll_evdev() |
203 | { |
203 | { |
204 | 204 | ||
205 | printf("polling evdev\n"); |
205 | printf("polling evdev\n"); |
206 | int i; |
206 | int i; |
207 | for ( i =0 ; i< input_count;i++) |
207 | for ( i =0 ; i< input_count;i++) |
208 | { |
208 | { |
209 | struct timeval tv = {0,5}; |
209 | struct timeval tv = {0,5}; |
210 | 210 | ||
211 | fd_set rfds; |
211 | fd_set rfds; |
212 | FD_ZERO(&rfds); |
212 | FD_ZERO(&rfds); |
213 | FD_SET(inputs[i].evdev_in_fd,&rfds); |
213 | FD_SET(inputs[i].evdev_in_fd,&rfds); |
214 | 214 | ||
215 | 215 | ||
216 | 216 | ||
217 | retval = select(inputs[i].evdev_in_fd+1, &rfds, NULL, NULL, &tv); |
217 | retval = select(inputs[i].evdev_in_fd+1, &rfds, NULL, NULL, &tv); |
218 | 218 | ||
219 | if (retval==-1) |
219 | if (retval==-1) |
220 | printf("error in select!!!!!!!!\n"); |
220 | printf("error in select!!!!!!!!\n"); |
221 | else if (retval) |
221 | else if (retval) |
222 | { |
222 | { |
223 | read_bytes = read(inputs[i].evdev_in_fd, ev, sizeof(struct input_event) * 64); |
223 | read_bytes = read(inputs[i].evdev_in_fd, ev, sizeof(struct input_event) * 64); |
224 | 224 | ||
225 | if (read_bytes < (int) sizeof(struct input_event)) { |
225 | if (read_bytes < (int) sizeof(struct input_event)) { |
226 | perror("evtest: short read"); |
226 | perror("evtest: short read"); |
227 | exit (1); |
227 | exit (1); |
228 | 228 | ||
229 | } |
229 | } |
230 | 230 | ||
231 | for (counter = 0; counter < (int) (read_bytes / sizeof(struct input_event)); counter++) |
231 | for (counter = 0; counter < (int) (read_bytes / sizeof(struct input_event)); counter++) |
232 | { |
232 | { |
233 | //print_event_str(ev[counter].type); |
233 | //print_event_str(ev[counter].type); |
234 | // printf(" code:%d val:%d \n",ev[counter].code,ev[counter].value); |
234 | // printf(" code:%d val:%d \n",ev[counter].code,ev[counter].value); |
235 | 235 | ||
236 | // if (ev[counter].type==EV_REL) evdev_rel_axis[ ev[counter].code]= ev[counter].value; |
236 | // if (ev[counter].type==EV_REL) evdev_rel_axis[ ev[counter].code]= ev[counter].value; |
237 | // for logitech problem |
237 | // for logitech problem |
238 | if (ev[counter].type==EV_REL) inputs[i].evdev_rel_axis[ ev[counter].code]= ev[counter].value; |
238 | if (ev[counter].type==EV_REL) inputs[i].evdev_rel_axis[ ev[counter].code]= ev[counter].value; |
239 | if (ev[counter].type==EV_KEY) inputs[i].evdev_button[ ev[counter].code]= ev[counter].value; |
239 | if (ev[counter].type==EV_KEY) inputs[i].evdev_button[ ev[counter].code]= ev[counter].value; |
240 | } |
240 | } |
241 | 241 | ||
242 | 242 | ||
243 | for (counter=0;counter<20;counter++) |
243 | for (counter=0;counter<20;counter++) |
244 | printf("A%d %d -" , counter, inputs[i].evdev_rel_axis[counter] ); |
244 | printf("A%d %d -" , counter, inputs[i].evdev_rel_axis[counter] ); |
245 | printf("\n"); |
245 | printf("\n"); |
246 | 246 | ||
247 | for (counter=0;counter<10;counter++) |
247 | for (counter=0;counter<10;counter++) |
248 | printf("B%d %d -" , counter, inputs[i].evdev_button[counter] ); |
248 | printf("B%d %d -" , counter, inputs[i].evdev_button[counter] ); |
249 | // printf("input read done: nick:%d roll:%d gier:%d gas:%d\n",axis[3] , axis[4] , axis[5] , axis[2]); |
249 | // printf("input read done: nick:%d roll:%d gier:%d gas:%d\n",axis[3] , axis[4] , axis[5] , axis[2]); |
250 | } |
250 | } |
251 | else |
251 | else |
252 | printf("no data from evdev data from evdev: \n"); |
252 | printf("no data from evdev data from evdev: \n"); |
253 | } |
253 | } |
254 | return 1; |
254 | return 1; |
255 | } |
255 | } |
256 | 256 |