26#ifdef HAVE_KERNEL_LIRC_H
27#include <linux/lirc.h>
29#include "media/lirc.h"
32#include "lirc/driver.h"
33#include "lirc/lirc_log.h"
34#include "lirc/receive.h"
35#include "lirc/ir_remote.h"
47 lirc_t data[RBUF_SIZE];
56 struct timeval last_signal_time;
65static struct rbuf rec_buffer;
66static int update_mode = 0;
74int (*lircd_waitfordata)(uint32_t timeout) = NULL;
77static lirc_t readdata(lirc_t timeout)
82 rec_buffer.at_eof = data &
LIRC_EOF ? 1 : 0;
83 if (rec_buffer.at_eof)
89static lirc_t lirc_t_max(lirc_t a, lirc_t b)
94static void set_pending_pulse(lirc_t deltap)
97 rec_buffer.pendingp = deltap;
100static void set_pending_space(lirc_t deltas)
103 rec_buffer.pendings = deltas;
107static void log_input(lirc_t data)
109 fprintf(rec_buffer.input_log,
"%s %u\n",
110 data & PULSE_BIT ?
"pulse" :
"space", data & PULSE_MASK);
111 fflush(rec_buffer.input_log);
115static lirc_t get_next_rec_buffer_internal(lirc_t maxusec)
117 if (rec_buffer.rptr < rec_buffer.wptr) {
118 log_trace2(
"<%c%lu", rec_buffer.data[rec_buffer.rptr] & PULSE_BIT ?
'p' :
's', (uint32_t)
119 rec_buffer.data[rec_buffer.rptr] & (PULSE_MASK));
120 rec_buffer.sum += rec_buffer.data[rec_buffer.rptr] & (PULSE_MASK);
121 return rec_buffer.data[rec_buffer.rptr++];
123 if (rec_buffer.wptr < RBUF_SIZE) {
125 unsigned long elapsed = 0;
127 if (timerisset(&rec_buffer.last_signal_time)) {
128 struct timeval current;
130 gettimeofday(¤t, NULL);
131 elapsed = time_elapsed(&rec_buffer.last_signal_time, ¤t);
133 if (elapsed < maxusec)
134 data = readdata(maxusec - elapsed);
143 if (LIRC_IS_TIMEOUT(data)) {
144 log_trace(
"timeout received: %lu", (uint32_t)LIRC_VALUE(data));
145 if (LIRC_VALUE(data) < maxusec)
146 return get_next_rec_buffer_internal(maxusec - LIRC_VALUE(data));
150 rec_buffer.data[rec_buffer.wptr] = data;
151 if (rec_buffer.input_log != NULL)
153 if (rec_buffer.data[rec_buffer.wptr] == 0)
155 rec_buffer.sum += rec_buffer.data[rec_buffer.rptr]
159 log_trace2(
"+%c%lu", rec_buffer.data[rec_buffer.rptr - 1] & PULSE_BIT ?
'p' :
's', (uint32_t)
160 rec_buffer.data[rec_buffer.rptr - 1]
162 return rec_buffer.data[rec_buffer.rptr - 1];
164 rec_buffer.too_long = 1;
171 lircd_waitfordata = func;
178 struct pollfd pfd = {
181 if (lircd_waitfordata != NULL)
182 return lircd_waitfordata(maxusec);
187 ret = curl_poll(&pfd, 1, (maxusec > 0) ? (maxusec / 1000) : -1);
188 if (maxusec > 0 && ret == 0)
190 }
while (ret == -1 && errno == EINTR);
197 if (pfd.revents & POLLIN)
206 if (rec_buffer.input_log != NULL)
207 fclose(rec_buffer.input_log);
208 rec_buffer.input_log = f;
212static lirc_t get_next_rec_buffer(lirc_t maxusec)
214 return get_next_rec_buffer_internal(receive_timeout(maxusec));
219 memset(&rec_buffer, 0,
sizeof(rec_buffer));
225 rec_buffer.too_long = 0;
226 set_pending_pulse(0);
227 set_pending_space(0);
229 rec_buffer.at_eof = 0;
241 timerclear(&rec_buffer.last_signal_time);
251 log_error(
"reading in mode LIRC_MODE_LIRCCODE failed");
254 for (i = 0, rec_buffer.decoded = 0; i < count; i++)
255 rec_buffer.decoded = (rec_buffer.decoded << CHAR_BIT) + ((
ir_code)buffer[i]);
259 move = rec_buffer.wptr - rec_buffer.rptr;
260 if (move > 0 && rec_buffer.rptr > 0) {
261 memmove(&rec_buffer.data[0], &rec_buffer.data[rec_buffer.rptr],
262 sizeof(rec_buffer.data[0]) * move);
263 rec_buffer.wptr -= rec_buffer.rptr;
268 log_trace2(
"c%lu", (uint32_t)data & (PULSE_MASK));
270 rec_buffer.data[rec_buffer.wptr] = data;
276 rec_buffer.is_biphase = 0;
281static void unget_rec_buffer(
int count)
284 if (count == 1 || count == 2) {
285 rec_buffer.rptr -= count;
286 rec_buffer.sum -= rec_buffer.data[rec_buffer.rptr] & (PULSE_MASK);
288 rec_buffer.sum -= rec_buffer.data[rec_buffer.rptr + 1]
293static void unget_rec_buffer_delta(lirc_t delta)
296 rec_buffer.sum -= delta & (PULSE_MASK);
297 rec_buffer.data[rec_buffer.rptr] = delta;
300static lirc_t get_next_pulse(lirc_t maxusec)
304 data = get_next_rec_buffer(maxusec);
307 if (!is_pulse(data)) {
311 return data & (PULSE_MASK);
314static lirc_t get_next_space(lirc_t maxusec)
318 data = get_next_rec_buffer(maxusec);
321 if (!is_space(data)) {
328static int sync_pending_pulse(
struct ir_remote* remote)
330 if (rec_buffer.pendingp > 0) {
333 deltap = get_next_pulse(rec_buffer.pendingp);
336 if (!expect(remote, deltap, rec_buffer.pendingp))
338 set_pending_pulse(0);
343static int sync_pending_space(
struct ir_remote* remote)
345 if (rec_buffer.pendings > 0) {
348 deltas = get_next_space(rec_buffer.pendings);
351 if (!expect(remote, deltas, rec_buffer.pendings))
353 set_pending_space(0);
358static int expectpulse(
struct ir_remote* remote,
int exdelta)
364 if (!sync_pending_space(remote))
367 deltap = get_next_pulse(rec_buffer.pendingp + exdelta);
370 if (rec_buffer.pendingp > 0) {
371 if (rec_buffer.pendingp > deltap)
373 retval = expect(remote, deltap - rec_buffer.pendingp, exdelta);
376 set_pending_pulse(0);
378 retval = expect(remote, deltap, exdelta);
383static int expectspace(
struct ir_remote* remote,
int exdelta)
389 if (!sync_pending_pulse(remote))
392 deltas = get_next_space(rec_buffer.pendings + exdelta);
395 if (rec_buffer.pendings > 0) {
396 if (rec_buffer.pendings > deltas)
398 retval = expect(remote, deltas - rec_buffer.pendings, exdelta);
401 set_pending_space(0);
403 retval = expect(remote, deltas, exdelta);
408static int expectone(
struct ir_remote* remote,
int bit)
410 if (is_biphase(remote)) {
411 int all_bits = bit_count(remote);
414 mask = ((
ir_code)1) << (all_bits - 1 - bit);
416 if (remote->
sone > 0 && !expectspace(remote, 2 * remote->
sone)) {
420 set_pending_pulse(2 * remote->pone);
422 if (remote->
sone > 0 && !expectspace(remote, remote->
sone)) {
426 set_pending_pulse(remote->pone);
428 }
else if (is_space_first(remote)) {
429 if (remote->
sone > 0 && !expectspace(remote, remote->
sone)) {
433 if (remote->pone > 0 && !expectpulse(remote, remote->pone)) {
438 if (remote->pone > 0 && !expectpulse(remote, remote->pone)) {
443 if (remote->
sone > 0 && !expectspace(remote, remote->
sone)) {
448 set_pending_space(remote->
sone);
454static int expectzero(
struct ir_remote* remote,
int bit)
456 if (is_biphase(remote)) {
457 int all_bits = bit_count(remote);
460 mask = ((
ir_code)1) << (all_bits - 1 - bit);
462 if (!expectpulse(remote, 2 * remote->pzero)) {
466 set_pending_space(2 * remote->
szero);
468 if (!expectpulse(remote, remote->pzero)) {
472 set_pending_space(remote->
szero);
474 }
else if (is_space_first(remote)) {
475 if (remote->
szero > 0 && !expectspace(remote, remote->
szero)) {
479 if (remote->pzero > 0 && !expectpulse(remote, remote->pzero)) {
484 if (!expectpulse(remote, remote->pzero)) {
489 if (!expectspace(remote, remote->
szero)) {
494 set_pending_space(remote->
szero);
500static lirc_t sync_rec_buffer(
struct ir_remote* remote)
503 lirc_t deltas, deltap;
506 deltas = get_next_space(1000000);
512 deltap = get_next_pulse(1000000);
515 deltas = get_next_space(1000000);
519 if (count > REC_SYNC)
523 if (has_toggle_mask(remote)) {
525 remote->toggle_mask_state = 0;
534static int get_header(
struct ir_remote* remote)
536 if (is_rcmm(remote)) {
537 lirc_t deltap, deltas, sum;
539 deltap = get_next_pulse(remote->phead);
544 deltas = get_next_space(remote->
shead);
549 sum = deltap + deltas;
550 if (expect(remote, sum, remote->phead + remote->
shead))
554 }
else if (is_bo(remote)) {
555 if (expectpulse(remote, remote->pone) && expectspace(remote, remote->
sone)
556 && expectpulse(remote, remote->pone) && expectspace(remote, remote->
sone)
557 && expectpulse(remote, remote->phead) && expectspace(remote, remote->
shead))
561 if (remote->
shead == 0) {
562 if (!sync_pending_space(remote))
564 set_pending_pulse(remote->phead);
567 if (!expectpulse(remote, remote->phead)) {
576 deltas = get_next_space(remote->
shead);
578 if (expect(remote, remote->
shead, deltas))
585 set_pending_space(remote->
shead);
589static int get_foot(
struct ir_remote* remote)
591 if (!expectspace(remote, remote->
sfoot))
593 if (!expectpulse(remote, remote->pfoot))
598static int get_lead(
struct ir_remote* remote)
600 if (remote->
plead == 0)
602 if (!sync_pending_space(remote))
604 set_pending_pulse(remote->
plead);
608static int get_trail(
struct ir_remote* remote)
611 if (!expectpulse(remote, remote->
ptrail))
613 if (rec_buffer.pendingp > 0)
614 if (!sync_pending_pulse(remote))
619static int get_gap(
struct ir_remote* remote, lirc_t gap)
624 data = get_next_rec_buffer(gap - gap * remote->
eps / 100);
627 if (!is_space(data)) {
632 if (!expect_at_least(remote, data, gap)) {
639static int get_repeat(
struct ir_remote* remote)
641 if (!get_lead(remote))
643 if (is_biphase(remote)) {
644 if (!expectspace(remote, remote->
srepeat))
646 if (!expectpulse(remote, remote->prepeat))
649 if (!expectpulse(remote, remote->prepeat))
651 set_pending_space(remote->
srepeat);
653 if (!get_trail(remote))
657 is_const(remote) ? (min_gap(remote) >
659 min_gap(remote) - rec_buffer.sum : 0) :
660 (has_repeat_gap(remote) ? remote->
repeat_gap : min_gap(remote))
673 if (is_rcmm(remote)) {
674 lirc_t deltap, deltas, sum;
676 if (bits % 2 || done % 2) {
680 if (!sync_pending_space(remote))
682 for (i = 0; i < bits; i += 2) {
684 deltap = get_next_pulse(remote->pzero + remote->pone + remote->ptwo + remote->pthree);
686 if (deltap == 0 || deltas == 0) {
687 log_error(
"failed on bit %d", done + i + 1);
690 sum = deltap + deltas;
692 if (expect(remote, sum, remote->pzero + remote->
szero)) {
695 }
else if (expect(remote, sum, remote->pone + remote->
sone)) {
698 }
else if (expect(remote, sum, remote->ptwo + remote->
stwo)) {
701 }
else if (expect(remote, sum, remote->pthree + remote->
sthree)) {
705 log_trace1(
"no match for %d+%d=%d", deltap, deltas, sum);
710 }
else if (is_grundig(remote)) {
711 lirc_t deltap, deltas, sum;
712 int state, laststate;
714 if (bits % 2 || done % 2) {
718 if (!sync_pending_pulse(remote))
720 for (laststate = state = -1, i = 0; i < bits; ) {
722 deltap = get_next_pulse(remote->pzero + remote->pone + remote->ptwo + remote->pthree);
723 if (deltas == 0 || deltap == 0) {
724 log_error(
"failed on bit %d", done + i + 1);
727 sum = deltas + deltap;
728 log_trace2(
"grundig: sum %ld", (uint32_t)sum);
729 if (expect(remote, sum, remote->
szero + remote->pzero)) {
732 }
else if (expect(remote, sum, remote->
sone + remote->pone)) {
735 }
else if (expect(remote, sum, remote->
stwo + remote->ptwo)) {
738 }
else if (expect(remote, sum, remote->
sthree + remote->pthree)) {
742 log_trace1(
"no match for %d+%d=%d", deltas, deltap, sum);
750 }
else if (laststate == 2 && state == 0) {
755 }
else if (laststate == 1 && state == 1) {
760 }
else if (laststate == 0 && state == 2) {
765 }
else if (laststate == -1) {
768 log_error(
"invalid state %d:%d", laststate, state);
774 }
else if (is_serial(remote)) {
776 int space, stop_bit, parity_bit;
778 lirc_t delta, origdelta, pending, expecting, gap_delta;
780 lirc_t max_space, max_pulse;
782 base = 1000000 / remote->
baud;
785 set_pending_pulse(base);
788 space = (rec_buffer.pendingp == 0);
791 delta = origdelta = 0;
798 if (remote->
parity != IR_PARITY_NONE) {
800 max_space += remote->
sone;
801 max_pulse += remote->pzero;
805 while (received < bits || stop_bit) {
807 delta = space ? get_next_space(max_space) : get_next_pulse(max_pulse);
808 if (delta == 0 && space && received + remote->
bits_in_byte + parity_bit >= bits)
814 log_trace(
"failed before bit %d", received + 1);
817 pending = (space ? rec_buffer.pendings : rec_buffer.pendingp);
818 if (expect(remote, delta, pending)) {
820 }
else if (delta > pending) {
823 log_trace(
"failed before bit %d", received + 1);
831 set_pending_pulse(base);
832 set_pending_space(0);
838 set_pending_pulse(0);
839 set_pending_space(0);
841 space = (space ? 0 : 1);
845 expecting = (space ? remote->
sone : remote->pzero);
846 if (delta > expecting || expect(remote, delta, expecting)) {
847 delta -= (expecting > delta ? delta : expecting);
853 if (received % (remote->
bits_in_byte + parity_bit) == 0) {
856 if ((remote->
parity == IR_PARITY_EVEN && parity)
857 || (remote->
parity == IR_PARITY_ODD && !parity)) {
858 log_trace(
"parity error after %d bits", received + 1);
866 temp << remote->
bits_in_byte | reverse(code >> parity_bit,
869 if (space && delta == 0) {
870 log_trace(
"failed at stop bit after %d bits", received + 1);
874 set_pending_space(stop);
878 if (delta == origdelta) {
879 log_trace(
"framing error after %d bits", received + 1);
885 space = (space ? 0 : 1);
888 unget_rec_buffer_delta(gap_delta);
889 set_pending_pulse(0);
890 set_pending_space(0);
892 }
else if (is_bo(remote)) {
894 lirc_t deltap, deltas;
898 for (i = 0; i < bits; i++) {
900 deltap = get_next_pulse(remote->pzero + remote->pone + remote->ptwo + remote->pthree);
902 if (deltap == 0 || deltas == 0) {
903 log_error(
"failed on bit %d", done + i + 1);
907 pzero = remote->pone;
908 szero = remote->
sone;
912 pzero = remote->ptwo;
913 szero = remote->
stwo;
914 pone = remote->pthree;
917 log_trace2(
"%lu %lu %lu %lu", pzero, szero, pone, sone);
918 if (expect(remote, deltap, pzero)) {
919 if (expect(remote, deltas, szero)) {
927 if (expect(remote, deltap, pone)) {
928 if (expect(remote, deltas, sone)) {
935 log_error(
"failed on bit %d", done + i + 1);
939 }
else if (is_xmp(remote)) {
940 lirc_t deltap, deltas, sum;
943 if (bits % 4 || done % 4) {
947 if (!sync_pending_space(remote))
949 for (i = 0; i < bits; i += 4) {
951 deltap = get_next_pulse(remote->pzero);
952 deltas = get_next_space(remote->
szero + 16 * remote->
sone);
953 if (deltap == 0 || deltas == 0) {
954 log_error(
"failed on bit %d", done + i + 1);
957 sum = deltap + deltas;
959 sum -= remote->pzero + remote->
szero;
960 n = (sum + remote->
sone / 2) / remote->
sone;
962 log_error(
"failed on bit %d", done + i + 1);
971 for (i = 0; i < bits; i++) {
973 if (is_goldstar(remote)) {
974 if ((done + i) % 2) {
976 remote->pone = remote->ptwo;
980 remote->pone = remote->pthree;
985 if (expectone(remote, done + i)) {
988 }
else if (expectzero(remote, done + i)) {
992 log_trace(
"failed on bit %d", done + i + 1);
1009 log_trace(
"Failed on pre_data: cannot get it");
1020 remote_pre = remote->
pre_data & ~toggle_mask;
1021 match_pre = pre & ~toggle_mask;
1022 if (remote->
pre_data != 0 && remote_pre != match_pre) {
1023 log_trace(
"Failed on pre_data: bad data: %x", pre);
1027 if (remote->pre_p > 0 && remote->
pre_s > 0) {
1028 if (!expectpulse(remote, remote->pre_p))
1030 set_pending_space(remote->
pre_s);
1039 if (remote->post_p > 0 && remote->
post_s > 0) {
1040 if (!expectpulse(remote, remote->post_p))
1042 set_pending_space(remote->
post_s);
1058 struct timeval current;
1065 if (rec_buffer.at_eof && rec_buffer.wptr - rec_buffer.rptr <= 1) {
1068 rec_buffer.at_eof = 0;
1075 rec_buffer.is_biphase = is_biphase(remote) ? 1 : 0;
1078 sync = sync_rec_buffer(remote);
1085 if (has_repeat(remote) &&
last_remote == remote) {
1087 if (!get_header(remote)) {
1093 if (get_repeat(remote)) {
1095 log_notice(
"repeat code without last_code received");
1105 is_const(remote) ? (min_gap(remote) >
1106 rec_buffer.sum ? min_gap(remote) -
1107 rec_buffer.sum : 0) : (has_repeat_gap(remote) ? remote->
1108 repeat_gap : min_gap(remote));
1110 is_const(remote) ? (max_gap(remote) >
1111 rec_buffer.sum ? max_gap(remote) -
1112 rec_buffer.sum : 0) : (has_repeat_gap(remote) ? remote->
1113 repeat_gap : max_gap(remote));
1118 sync_rec_buffer(remote);
1121 if (has_header(remote)) {
1123 if (!get_header(remote)) {
1125 if (!(remote->
flags &
NO_HEAD_REP && expect_at_most(remote, sync, max_gap(remote)))) {
1134 if (is_raw(remote)) {
1142 codes = remote->codes;
1144 while (codes->
name != NULL && found == NULL) {
1146 for (i = 0; i < codes->
length; ) {
1147 if (!expectpulse(remote, codes->
signals[i++])) {
1150 sync_rec_buffer(remote);
1153 if (i < codes->
length && !expectspace(remote, codes->
signals[i++])) {
1156 sync_rec_buffer(remote);
1161 if (found != NULL) {
1163 (remote, is_const(remote) ?
1164 min_gap(remote) - rec_buffer.sum :
1175 ir_code decoded = rec_buffer.decoded;
1184 ctx->
code = decoded & gen_mask(remote->
bits);
1185 ctx->
pre = decoded >> remote->
bits;
1188 sum = remote->phead + remote->
shead +
1189 lirc_t_max(remote->pone + remote->
sone,
1190 remote->pzero + remote->
szero) * bit_count(remote) + remote->
plead +
1191 remote->
ptrail + remote->pfoot + remote->
sfoot + remote->pre_p + remote->
pre_s +
1192 remote->post_p + remote->
post_s;
1194 rec_buffer.sum = sum >= remote->
gap ? remote->
gap - 1 : sum;
1197 if (!get_lead(remote)) {
1202 if (has_pre(remote)) {
1203 ctx->
pre = get_pre(remote);
1218 if (has_post(remote)) {
1219 ctx->
post = get_post(remote);
1226 if (!get_trail(remote)) {
1230 if (has_foot(remote)) {
1231 if (!get_foot(remote)) {
1237 rec_buffer.sum -= remote->phead + remote->
shead;
1238 if (is_rcmm(remote)) {
1239 if (!get_gap(remote, 1000))
1241 }
else if (is_const(remote)) {
1242 if (!get_gap(remote, min_gap(remote) > rec_buffer.sum ?
1243 min_gap(remote) - rec_buffer.sum :
1247 if (!get_gap(remote, min_gap(remote)))
1264 if (is_const(remote)) {
1265 ctx->
min_remaining_gap = min_gap(remote) > rec_buffer.sum ? min_gap(remote) - rec_buffer.sum : 0;
1266 ctx->
max_remaining_gap = max_gap(remote) > rec_buffer.sum ? max_gap(remote) - rec_buffer.sum : 0;
const struct driver *const curr_driver
Read-only access to drv for client code.
void rec_buffer_set_logfile(FILE *f)
Set a file logging input from driver in same format as mode2(1).
int waitfordata(uint32_t maxusec)
If set_waitfordata(func) is called, invoke and return function set this way.
void set_waitfordata_func(int(*func)(uint32_t maxusec))
Set the function used by waitfordata().
void rec_buffer_rewind(void)
Reset the modules's internal fifo's read state to initial values where the nothing is read.
struct ir_remote * last_remote
TODO.
void rec_buffer_reset_wptr(void)
Reset internal fifo's write pointer.
void rec_set_update_mode(int mode)
Set update mode, where recorded pre_data is verified to match the template pre_data.
void rec_buffer_init(void)
Clear internal buffer to pristine state.
int receive_decode(struct ir_remote *remote, struct decode_ctx_t *ctx)
Decode data from remote.
int rec_buffer_clear(void)
Flush the internal fifo and store a single code read from the driver in it.
#define REPEAT_HEADER
header is also sent before repeat code
uint64_t ir_code
Denotes an internal coded representation for an IR transmission.
#define NO_HEAD_REP
no header for key repeats
#define LIRC_EOF
Bit manipulator in lirc_t, see lirc.h .
#define log_trace(fmt,...)
Log a trace message.
#define log_notice(fmt,...)
Log a notice message.
#define log_debug(fmt,...)
Log a debug message.
#define log_perror_err(fmt,...)
perror wrapper logging with level LIRC_ERROR.
#define log_trace2(fmt,...)
Log a trace2 message.
#define log_error(fmt,...)
Log an error message.
#define log_trace1(fmt,...)
Log a trace1 message.
logchannel_t
Log channels used to filter messages.
State describing code, pre, post + gap and repeat state.
ir_code code
Code part, matched to code defintion.
int repeat_flag
True if code is a repeated one.
ir_code post
post data, sent after code.
lirc_t min_remaining_gap
Estimated min time of trailing gap.
lirc_t max_remaining_gap
Estimated max time of trailing gap.
ir_code pre
pre data, before code.
int fd
Set by the driver after init().
const uint32_t code_length
Length in bits of the code.
lirc_t(*const readdata)(lirc_t timeout)
Get length of next pulse/space from hardware.
uint32_t rec_mode
Possible values are: LIRC_MODE_RAW, LIRC_MODE_PULSE, LIRC_MODE_MODE2, LIRC_MODE_LIRCCODE.
IR Command, corresponding to one (command defining) line of the configuration file.
ir_code code
The first code of the command.
lirc_t * signals
(private)
struct ir_code_node * current
Should point at the ir_code currently being transmitted, or NULL if none.
char * name
Name of command.
One remote as represented in the configuration file.
uint32_t repeat_gap
time between two repeat codes if different from gap
lirc_t stwo
2 (only used for RC-MM)
unsigned int stop_bits
mapping: 1->2 1.5->3 2->4
unsigned int bits_in_byte
default: 8
ir_code rc6_mask
RC-6 doubles signal length of some bits.
lirc_t max_remaining_gap
gap range
lirc_t ptrail
trailing pulse
lirc_t srepeat
indicate repeating
ir_code pre_data
data which the remote sends before actual keycode
int bits
bits (length of code)
int post_data_bits
length of post_data
lirc_t plead
leading pulse
lirc_t sthree
3 (only used for RC-MM)
struct timeval last_send
time last_code was received or sent
ir_code post_data
data which the remote sends after actual keycode
unsigned int baud
can be overridden by [p|s]zero, [p|s]one
lirc_t post_s
signal between keycode and post_code
lirc_t pre_s
signal between pre_data and keycode
uint32_t gap
time between signals in usecs
int eps
eps (relative tolerance)
struct ir_ncode * last_code
code received or sent last
struct ir_ncode * toggle_code
toggle code received or sent last
unsigned int min_code_repeat
meaningful only if remote sends a repeat code: in this case this value indicates how often the real c...
ir_code toggle_bit_mask
previously only one bit called toggle_bit
unsigned int parity
currently unsupported
int pre_data_bits
length of pre_data
lirc_t min_remaining_gap
remember gap for CONST_LENGTH remotes