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