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git.zerfleddert.de Git - hmcfgusb/blob - hmsniff.c
1 /* HM-sniffer for HM-CFG-USB
3 * Copyright (c) 2013-16 Michael Gernoth <michael@gernoth.net>
5 * Permission is hereby granted, free of charge, to any person obtaining a copy
6 * of this software and associated documentation files (the "Software"), to
7 * deal in the Software without restriction, including without limitation the
8 * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
9 * sell copies of the Software, and to permit persons to whom the Software is
10 * furnished to do so, subject to the following conditions:
12 * The above copyright notice and this permission notice shall be included in
13 * all copies or substantial portions of the Software.
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
18 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
20 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
34 #include <libusb-1.0/libusb.h>
40 static int verbose
= 0;
43 char *hm_message_types(uint8_t type
, uint8_t subtype
)
50 return "Configuration";
53 if (subtype
>= 0x80 && subtype
<= 0x8f) {
55 } else if (subtype
== 0x01) {
57 } else if (subtype
== 0x04) {
90 return "Water sensor";
96 return "Climate event";
99 return "Thermal control";
103 return "Power event";
106 return "Weather event";
112 return "Rf configuration";
120 static void dissect_hm(uint8_t *buf
, int len
)
125 static int count
= 0;
128 gettimeofday(&tv
, NULL
);
129 tmp
= localtime(&tv
.tv_sec
);
130 memset(ts
, 0, sizeof(ts
));
131 strftime(ts
, sizeof(ts
)-1, "%Y-%m-%d %H:%M:%S", tmp
);
134 printf("%s.%06ld: ", ts
, tv
.tv_usec
);
136 for (i
= 0; i
< len
; i
++) {
137 printf("%02X", buf
[i
]);
140 printf("Packet information:\n");
141 printf("\tLength: %u\n", buf
[0]);
142 printf("\tMessage ID: %u\n", buf
[1]);
143 printf("\tSender: %02x%02x%02x\n", buf
[4], buf
[5], buf
[6]);
144 printf("\tReceiver: %02x%02x%02x\n", buf
[7], buf
[8], buf
[9]);
145 printf("\tControl Byte: 0x%02x\n", buf
[2]);
146 printf("\t\tFlags: ");
147 if (buf
[2] & (1 << 0)) printf("WAKEUP ");
148 if (buf
[2] & (1 << 1)) printf("WAKEMEUP ");
149 if (buf
[2] & (1 << 2)) printf("CFG ");
150 if (buf
[2] & (1 << 3)) printf("? ");
151 if (buf
[2] & (1 << 4)) printf("BURST ");
152 if (buf
[2] & (1 << 5)) printf("BIDI ");
153 if (buf
[2] & (1 << 6)) printf("RPTED ");
154 if (buf
[2] & (1 << 7)) printf("RPTEN ");
156 printf("\tMessage type: %s (0x%02x 0x%02x)\n", hm_message_types(buf
[3], buf
[10]), buf
[3], buf
[10]);
157 printf("\tMessage: ");
158 for (i
= 10; i
< len
; i
++) {
159 printf("%02X", buf
[i
]);
166 printf(" LL NR FL CM sender recvr payload\n");
168 printf("%s.%03ld: %02X %02X %02X %02X %02X%02X%02X %02X%02X%02X ",
170 buf
[0], buf
[1], buf
[2], buf
[3],
171 buf
[4], buf
[5], buf
[6],
172 buf
[7], buf
[8], buf
[9]);
174 for (i
= 10; i
< len
; i
++) {
175 printf("%02X", buf
[i
]);
177 printf("%s(%s)\n", (i
>10)?" ":"", hm_message_types(buf
[3], buf
[10]));
185 static int parse_hmcfgusb(uint8_t *buf
, int buf_len
, void *data
)
187 struct recv_data
*rdata
= data
;
194 dissect_hm(buf
+ 13, buf
[13] + 1);
197 if ((buf
[27] != 0x00) ||
200 printf("hmId is currently set to: %02x%02x%02x\n", buf
[27], buf
[28], buf
[29]);
201 rdata
->wrong_hmid
= 1;
209 hexdump(buf
, buf_len
, "Unknown> ");
216 void hmsniff_syntax(char *prog
)
218 fprintf(stderr
, "Syntax: %s options\n\n", prog
);
219 fprintf(stderr
, "Possible options:\n");
220 fprintf(stderr
, "\t-f\t\tfast (100k/firmware update) mode\n");
221 fprintf(stderr
, "\t-S serial\tuse HM-CFG-USB with given serial\n");
222 fprintf(stderr
, "\t-v\t\tverbose mode\n");
223 fprintf(stderr
, "\t-V\t\tshow version (" VERSION
")\n");
227 int main(int argc
, char **argv
)
229 struct hmcfgusb_dev
*dev
;
230 struct recv_data rdata
;
234 uint8_t speed_buf
[2];
237 while((opt
= getopt(argc
, argv
, "fS:vV")) != -1) {
249 printf("hmsniff " VERSION
"\n");
250 printf("Copyright (c) 2013-16 Michael Gernoth\n\n");
256 hmsniff_syntax(argv
[0]);
262 hmcfgusb_set_debug(0);
265 memset(&rdata
, 0, sizeof(rdata
));
266 rdata
.wrong_hmid
= 0;
268 dev
= hmcfgusb_init(parse_hmcfgusb
, &rdata
, serial
);
270 fprintf(stderr
, "Can't initialize HM-CFG-USB, retrying in 1s...\n");
274 printf("HM-CFG-USB opened!\n");
276 hmcfgusb_send_null_frame(dev
, 1);
277 hmcfgusb_send(dev
, (unsigned char*)"K", 1, 1);
279 hmcfgusb_send_null_frame(dev
, 1);
281 speed_buf
[1] = speed
;
282 hmcfgusb_send(dev
, speed_buf
, 2, 1);
287 if (rdata
.wrong_hmid
) {
288 printf("changing hmId to 000000, this might reboot the device!\n");
289 hmcfgusb_send(dev
, (unsigned char*)"A\00\00\00", 4, 1);
290 rdata
.wrong_hmid
= 0;
291 hmcfgusb_send(dev
, (unsigned char*)"K", 1, 1);
293 fd
= hmcfgusb_poll(dev
, 1000);
295 fprintf(stderr
, "activity on unknown fd %d!\n", fd
);
297 } else if (fd
== -1) {
299 if (errno
!= ETIMEDOUT
) {
300 perror("hmcfgusb_poll");
303 /* periodically wakeup the device */
304 hmcfgusb_send_null_frame(dev
, 1);