char *irman_rec(struct ir_remote *remotes)
{
static char *text=NULL;
int i;
last=end;
gettimeofday(&start,NULL);
codestring=ir_get_code();
gettimeofday(&end,NULL);
if(codestring==NULL)
{
# ifdef DEBUG
if(errno==IR_EDUPCODE)
{
LOGPRINTF(1,"received \"%s\" (dup)",
text ? text:"(null - bug)");
}
else if(errno==IR_EDISABLED)
{
LOGPRINTF(1,"irman not initialised (this is a bug)");
}
else
{
LOGPRINTF(1,"error reading code: \"%s\"",
ir_strerror(errno));
}
# endif
if(errno==IR_EDUPCODE)
{
return decode_all(remotes);
}
return NULL;
}
text=ir_code_to_text(codestring);
LOGPRINTF(1,"received \"%s\"",text);
/* this is only historical but it's necessary for
compatibility to older versions and it's handy to
recognize Irman config files */
code=0xffff;
for(i=0;i<IR_CODE_LEN;i++)
{
code=code<<8;
code=code|(ir_code) (unsigned char) codestring[i];
}
return decode_all(remotes);
}
static char *uirt2_raw_rec(struct ir_remote *remotes)
{
LOGPRINTF(1, "uirt2_raw_rec");
LOGPRINTF(1, "uirt2_raw_rec: %p", remotes);
if (!clear_rec_buffer())
return (NULL);
if (remotes) {
char *res;
res = decode_all(remotes);
return res;
} else {
lirc_t data;
queue_clear();
data = uirt2_read_raw(dev, 1);
if (data) {
queue_put(data);
}
return NULL;
}
}
static char *iguana_rec(struct ir_remote *remotes)
{
char *retval = NULL;
if (clear_rec_buffer())
retval = decode_all(remotes);
return retval;
}
void decode_all(int* array, header h, int level)
{
if(!level)
{
return finish(array);
}
int* new_array = malloc(sizeof(int)*headers[level-1].size);
int index = 0;
mpz_t number, spill;
mpz_init(number);
mpz_init(spill);
for(int i = 0; i < h.size; i++)
{
mpz_ui_pow_ui(spill, 2, M);
mpz_set(number, remainders[level-1][i]);
mpz_addmul_ui(number, spill, array[i]);
int min = headers[level-1].chunksize > (headers[level-1].size - index)?(headers[level-1].size - index):headers[level-1].chunksize;
for(int j = 0; j < min; j++)
{
new_array[index + min - j - 1] = mpz_fdiv_q_ui(number, number, headers[level-1].K);
}
index += min;
}
return decode_all(new_array, headers[level - 1], level - 1);
}
static char *ati_rec(struct ir_remote *remotes)
{
if (!clear_rec_buffer()) {
ati_deinit();
return NULL;
}
return decode_all(remotes);
}
char *default_rec(struct ir_remote *remotes)
{
if (!clear_rec_buffer()) {
default_deinit();
return NULL;
}
return (decode_all(remotes));
}
char *bte_rec(struct ir_remote *remotes)
{
LOGPRINTF(4, "bte_rec called");
if (bte_automaton())
return decode_all(remotes);
else
return NULL;
}
char *creative_rec(struct ir_remote *remotes)
{
char *m;
int i;
b[0]=0x4d;
b[1]=0x05;
b[4]=0xac;
b[5]=0x21;
last=end;
gettimeofday(&start,NULL);
for(i=0;i<NUMBYTES;i++)
{
if(i>0)
{
if(!waitfordata(TIMEOUT))
{
logprintf(LOG_ERR,"timeout reading byte %d",i);
return(NULL);
}
}
if(read(hw.fd,&b[i],1)!=1)
{
logprintf(LOG_ERR,"reading of byte %d failed",i);
logperror(LOG_ERR,NULL);
return(NULL);
}
if(b[0]!=0x4d ||
b[1]!=0x05 /* || b[4]!=0xac || b[5]!=0x21 */)
{
logprintf(LOG_ERR,"bad envelope");
return(NULL);
}
if(i==5)
{
if(b[2]!=((~b[3])&0xff))
{
logprintf(LOG_ERR,"bad checksum");
return(NULL);
}
}
LOGPRINTF(1,"byte %d: %02x",i,b[i]);
}
gettimeofday(&end,NULL);
/* pre=0x8435; */
pre=reverse((((ir_code) b[4])<<8) | ((ir_code) b[5]),16);
code = reverse((((ir_code) b[2]) << 8) | ((ir_code) b[3]), 16);
m=decode_all(remotes);
return(m);
}
char *mp3anywhere_rec(struct ir_remote *remotes)
{
char *m;
int i=0;
b[0]=0x00;
b[1]=0xd5;
b[2]=0xaa;
b[3]=0xee;
b[5]=0xad;
last=end;
gettimeofday(&start,NULL);
while(b[i] != 0xAD)
{
i++;
if(i>=NUMBYTES)
{
LOGPRINTF(0,"buffer overflow at byte %d",i);
break;
}
if(i>0)
{
if(!waitfordata(TIMEOUT))
{
LOGPRINTF(0,"timeout reading byte %d",i);
return(NULL);
}
}
if(read(hw.fd,&b[i],1)!=1)
{
logprintf(LOG_ERR,"reading of byte %d failed",i);
logperror(LOG_ERR,NULL);
return(NULL);
}
if(b[1]!= 0xd5 ||
b[2]!= 0xaa ||
b[3]!= 0xee ||
b[5]!= 0xad )
{
logprintf(LOG_ERR,"bad envelope");
return(NULL);
}
LOGPRINTF(1,"byte %d: %02x",i,b[i]);
}
gettimeofday(&end,NULL);
pre=0xD5AAEE;
code=(ir_code) b[4];
m=decode_all(remotes);
return(m);
}
char *logitech_rec(struct ir_remote *remotes)
{
char *m;
int i=0;
int repeat, mouse_event;
b[i]=0x00;
last=end;
gettimeofday(&start,NULL);
while(b[i] != 0xAA)
{
i++;
if(i>=NUMBYTES)
{
LOGPRINTF(0,"buffer overflow at byte %d",i);
break;
}
if(i>0)
{
if(!waitfordata(TIMEOUT))
{
LOGPRINTF(0,"timeout reading byte %d",i);
return(NULL);
}
}
if(read(hw.fd,&b[i],1)!=1)
{
logprintf(LOG_ERR,"reading of byte %d failed",i);
logperror(LOG_ERR,NULL);
return(NULL);
}
LOGPRINTF(1,"byte %d: %02x",i,b[i]);
if(b[i] >= 0x40 && b[i] <= 0x6F)
{
mouse_event=b[i];
b[1]=0xA0;
b[2]=mouse_event;
LOGPRINTF(1,"mouse event: %02x",mouse_event);
break;
}
}
gettimeofday(&end,NULL);
if(b[1] == 0xA0) repeat=0;
else repeat=1;
if(!repeat) pre=(ir_code) b[1];
else pre=0xA0;
code=(ir_code) b[2];
m=decode_all(remotes);
return(m);
}
char *creative_infracd_rec(struct ir_remote *remotes)
{
int cmd;
while ( (cmd = test_device_command(int_fd)) == 0 ) {
usleep(40);
};
if ( cmd == -1 ) {
return 0;
}
code = (reverse(cmd,8) << 8) | (~reverse(cmd,8) & 0xff);
return decode_all(remotes);
}
/**************************************************************************
* Receive a code (1 byte) from the remote.
* This function is called by the LIRC daemon when I/O is pending
* from a registered client, e.g. irw.
*
* return NULL if nothing have been received or a lirc code
**************************************************************************/
char *mplay_rec(struct ir_remote *remotes)
{
unsigned char rc_code;
signed int len;
struct timeval current_time;
LOGPRINTF(1, "Entering mplay_rec()");
len = read(hw.fd, &rc_code, 1);
gettimeofday(¤t_time, NULL);
if (len != 1) {
/* Something go wrong during the read, we close the device
for prevent endless looping when the device
is disconnected */
LOGPRINTF(1, "Reading error in mplay_rec()");
mplay_deinit();
return NULL;
} else {
/* We have received a code */
if (rc_code == MPLAY_REPEAT_CODE) {
if (mplay_local_data.timeout_repetition_flag == 1) {
/* We ignore the repetition */
return NULL;
} else {
if (time_elapsed(&mplay_local_data.last_reception_time, ¤t_time) <=
MAX_TIME_BETWEEN_TWO_REPETITION_CODE) {
/* This reception is a repeat */
mplay_local_data.repeat_flag = 1;
/* We save the reception time */
mplay_local_data.last_reception_time = current_time;
} else {
/* To much time between repetition,
the receiver have probably miss
a valide key code. We ignore the
repetition */
mplay_local_data.timeout_repetition_flag = 1;
mplay_local_data.repeat_flag = 0;
return NULL;
}
}
} else {
/* This is a new code */
mplay_local_data.rc_code = rc_code;
mplay_local_data.repeat_flag = 0;
mplay_local_data.timeout_repetition_flag = 0;
mplay_local_data.last_reception_time = current_time;
}
LOGPRINTF(1, "code: %u", (unsigned int)mplay_local_data.rc_code);
LOGPRINTF(1, "repeat_flag: %d", mplay_local_data.repeat_flag);
return decode_all(remotes);
}
}
char *ea65_receive(struct ir_remote *remote)
{
uint8_t data[5];
int r;
last = end;
gettimeofday(&start, NULL);
if (!waitfordata(TIMEOUT)) {
logprintf(LOG_ERR, "EA65: timeout reading code data");
return NULL;
}
r = read(hw.fd, data, sizeof(data));
if (r < 4) {
logprintf(LOG_ERR, "EA65: read failed. %s(%d)",
strerror(r), r);
return NULL;
}
LOGPRINTF(1, "EA65: data(%d): %02x %02x %02x %02x %02x", r,
data[0], data[1], data[2], data[3], data[4]);
if (data[0] != 0xa0)
return NULL;
switch (data[1]) {
case 0x01:
if (r < 5)
return NULL;
code = (data[2] << 16) | (data[3] << 8) | data[4];
break;
case 0x04:
code = (0xff << 16) | (data[2] << 8) | data[3];
break;
}
logprintf(LOG_INFO, "EA65: receive code: %llx",
(unsigned long long) code);
gettimeofday(&end, NULL);
return decode_all(remote);
}
char *pinsys_rec(struct ir_remote *remotes)
{
char *m;
int i;
last=end;
gettimeofday(&start,NULL);
for(i=0;i<3;i++)
{
if (i>0)
{
if(!waitfordata(10000))
{
logprintf(LOG_WARNING,
"timeout reading byte %d",i);
/* likely to be !=3 bytes, so flush. */
tcflush(hw.fd, TCIFLUSH);
return(NULL);
}
}
if(read(hw.fd,&b[i],1)!=1)
{
logprintf(LOG_ERR,"reading of byte %d failed",i);
logperror(LOG_ERR,NULL);
return(NULL);
}
LOGPRINTF(1,"byte %d: %02x",i,b[i]);
}
gettimeofday(&end,NULL);
#ifdef PINSYS_THREEBYTE
code = (b[2]) | (b[1]<<8) | (b[0]<<16);
#else
code = b[2];
#endif
LOGPRINTF(1," -> %016lx",(unsigned long) code);
m=decode_all(remotes);
return(m);
}
char *tira_rec (struct ir_remote *remotes)
{
char *m;
int i, x;
last = end;
x = 0;
gettimeofday (&start, NULL);
for (i = 0 ; i < 6; i++)
{
if (i > 0)
{
if (!waitfordata(20000))
{
LOGPRINTF(0,"timeout reading byte %d",i);
/* likely to be !=6 bytes, so flush. */
tcflush(hw.fd, TCIFLUSH);
return NULL;
}
}
if (read(hw.fd, &b[i], 1) != 1)
{
logprintf(LOG_ERR, "reading of byte %d failed.", i);
logperror(LOG_ERR,NULL);
return NULL;
}
LOGPRINTF(1, "byte %d: %02x", i, b[i]);
x++;
}
gettimeofday(&end,NULL);
code = 0;
for ( i = 0 ; i < x ; i++ )
{
code |= ((ir_code) b[i]);
code = code << 8;
}
LOGPRINTF(1," -> %0llx",(unsigned long long) code);
m = decode_all(remotes);
return m;
}
static char* rec(struct ir_remote* remotes)
{
unsigned char rc_code;
ssize_t size;
struct timeval current;
size = snd_hwdep_read(hwdep, &rc_code, 1);
if (size < 1)
return NULL;
gettimeofday(¤t, NULL);
last_code = code;
code = (ir_code)rc_code;
/* delay for repeating buttons is up to 320 ms */
repeat_flag = code == last_code && current.tv_sec - last_time.tv_sec <= 2
&& time_elapsed(&last_time, ¤t) <= 350000;
last_time = current;
LOGPRINTF(1, "code: %llx", (__u64)code);
LOGPRINTF(1, "repeat_flag: %d", repeat_flag);
return decode_all(remotes);
}
char *default_rec(struct ir_remote *remotes)
{
char c;
int n;
static char message[PACKET_SIZE+1];
if(hw.rec_mode==LIRC_MODE_STRING)
{
int failed=0;
/* inefficient but simple, fix this if you want */
n=0;
do
{
if(read(hw.fd,&c,1)!=1)
{
logprintf(LOG_ERR,"reading in mode "
"LIRC_MODE_STRING failed");
return(NULL);
}
if(n>=PACKET_SIZE-1)
{
failed=1;
n=0;
}
message[n++]=c;
}
while(c!='\n');
message[n]=0;
if(failed) return(NULL);
return(message);
}
else
{
if(!clear_rec_buffer()) return(NULL);
return(decode_all(remotes));
}
}
static char* uirt2_raw_rec(struct ir_remote* remotes)
{
log_trace("uirt2_raw_rec");
log_trace("uirt2_raw_rec: %p", remotes);
if (!rec_buffer_clear())
return NULL;
if (remotes) {
char* res;
res = decode_all(remotes);
return res;
}
lirc_t data;
queue_clear();
data = uirt2_read_raw(dev, 1);
if (data)
queue_put(data);
return NULL;
}
char *caraca_rec(struct ir_remote *remotes)
{
char *m;
int i = 0, node, ir, t;
int repeat, mouse_event;
last = end;
gettimeofday(&start, NULL);
i = read(hw.fd, msg, NUMBYTES);
gettimeofday(&end, NULL);
LOGPRINTF(1, "caraca_rec: %s", msg);
sscanf(msg, "%d.%d:%d", &node, &t, &ir);
/* transmit the node address as first byte, so we have
* different codes for every transmitting node (for every room
* of the house) */
code = (ir_code) (node << 8) + ir;
m = decode_all(remotes);
return (m);
}
/*
* Aureal Technology ATWF@83 cheap remote
* specific code.
*/
static char* atwf83_rec(struct ir_remote* remotes)
{
unsigned ev;
int rd;
last = end;
gettimeofday(&start, NULL);
rd = read(drv.fd, &ev, sizeof(ev));
if (rd == -1) {
// Error
logprintf(LIRC_ERROR, "(%s) could not read pipe", __func__);
atwf83_deinit();
return 0;
}
if (ev == release_code) {
// Release code
main_code = 0;
return 0;
} else if (ev == remove_code) {
// Device has been removed
atwf83_deinit();
return 0;
}
LOGPRINTF(1, "atwf83 : %x", ev);
// Record the code and check for repetition
if (main_code == ev) {
repeat_state = RPT_YES;
} else {
main_code = ev;
repeat_state = RPT_NO;
}
gettimeofday(&end, NULL);
return decode_all(remotes);
}
char *pixelview_rec(struct ir_remote *remotes)
{
char *m;
int i;
last=end;
gettimeofday(&start,NULL);
for(i=0;i<3;i++)
{
if(i>0)
{
if(!waitfordata(50000))
{
logprintf(LOG_ERR,"timeout reading "
"byte %d",i);
return(NULL);
}
}
if(read(hw.fd,&b[i],1)!=1)
{
logprintf(LOG_ERR,"reading of byte %d failed",i);
logperror(LOG_ERR,NULL);
return(NULL);
}
LOGPRINTF(1,"byte %d: %02x",i,b[i]);
}
gettimeofday(&end,NULL);
pre=(reverse((ir_code) b[0],8)<<1)|1;
code=(reverse((ir_code) b[1],8)<<1)|1;
code=code<<10;
code|=(reverse((ir_code) b[2],8)<<1)|1;
m=decode_all(remotes);
return(m);
}
char *hiddev_rec(struct ir_remote *remotes)
{
struct hiddev_event event;
struct hiddev_event asus_events[8];
int rd;
/* Remotec Mediamaster specific */
static int wheel_count = 0;
static int x_movement = 0;
static struct timeval time_of_last_code;
int y_movement = 0;
int x_direction = 0;
int y_direction = 0;
int i;
LOGPRINTF(1, "hiddev_rec");
last = end;
gettimeofday(&start, NULL);
rd = read(hw.fd, &event, sizeof event);
if (rd != sizeof event) {
logprintf(LOG_ERR, "error reading '%s'", hw.device);
logperror(LOG_ERR, NULL);
hiddev_deinit();
return 0;
}
LOGPRINTF(1, "hid 0x%X value 0x%X", event.hid, event.value);
pre_code = event.hid;
main_code = event.value;
/*
* This stuff is probably dvico specific.
* I don't have any other hid devices to test...
*
* See further for the Asus DH specific code
*
*/
if (event.hid == 0x90001) {
/* This is the DVICO Remote. It actually sends two hid
* events, the first of which has 0 as the hid.value and
* is of no use in decoding the remote code. If we
* receive this type of event, read the next event
* (which should be immediately available) and
* use it to obtain the remote code.
*/
LOGPRINTF(1, "This is another type Dvico - sends two codes");
if (!waitfordata(TIMEOUT)) {
logprintf(LOG_ERR, "timeout reading next event");
return (NULL);
}
rd = read(hw.fd, &event, sizeof event);
if (rd != sizeof event) {
logprintf(LOG_ERR, "error reading '%s'", hw.device);
return 0;
}
pre_code = event.hid;
main_code = event.value;
}
gettimeofday(&end, NULL);
if (event.hid == 0x10046) {
struct timeval now;
repeat_state = (main_code & dvico_repeat_mask) ? RPT_YES : RPT_NO;
main_code = (main_code & ~dvico_repeat_mask);
gettimeofday(&now, NULL);
/* The hardware dongle for the dvico remote sends spurious */
/* repeats of the last code received it it gets a false */
/* trigger from some other IR source, or if it misses */
/* receiving the first code of a new button press. To */
/* minimise the impact of this hardware bug, ignore any */
/* repeats that occur more than half a second after the */
/* previous valid code because it is likely that they are */
/* spurious. */
if (repeat_state == RPT_YES) {
if (time_elapsed(&time_of_last_code, &now) > 500000) {
return NULL;
}
}
time_of_last_code = now;
LOGPRINTF(1, "main 0x%X repeat state 0x%X", main_code, repeat_state);
return decode_all(remotes);
#if 0
/* the following code could be used to recreate the
real codes of the remote control (currently
verified for the MCE remote only) */
ir_code pre, main;
pre_code_length = 16;
main_code_length = 16;
pre = event.value & 0xff;
pre_code = reverse(~pre, 8) << 8 | reverse(pre, 8);
repeat_state = (event.value & dvico_repeat_mask) ? RPT_YES : RPT_NO;
main = (event.value & 0x7f00) >> 8;
main_code = reverse(main, 8) << 8 | reverse(~main, 8);
return decode_all(remotes);
#endif
}
/* Asus DH remote specific code */
else if (event.hid == 0xFF000000) {
char *audio_rec(struct ir_remote *remotes)
{
if (!clear_rec_buffer())
return (NULL);
return (decode_all(remotes));
}
static char* hwftdi_rec(struct ir_remote* remotes)
{
if (!rec_buffer_clear())
return NULL;
return decode_all(remotes);
}
char *tira_rec_mode2 (struct ir_remote *remotes)
{
if(!clear_rec_buffer()) return(NULL);
return(decode_all(remotes));
}
char* silitek_rec(struct ir_remote* remotes)
{
char* m;
int mouse_x;
int mouse_y;
char sign = 0x00; /* store sign of mouse direction. */
char pos = 0x00; /* store mouse direction. */
do_repeat = 1;
if (!silitek_read(drv.fd, &b[0], TIMEOUT)) {
logprintf(LIRC_ERROR, "reading of byte 0 failed");
logperror(LIRC_ERROR, NULL);
return NULL;
}
if ((b[0] != 0x3f) && /* button down */
(b[0] != 0x31) && /* button still down */
(b[0] != 0x2a) && /* button up */
(b[0] != 0x7c) && /* mouse event */
(b[0] != 0x7f) && /* mouse event, l+r-mouse button down */
(b[0] != 0xfd) && /* mouse event, r-mouse button down */
(b[0] != 0xfe)) /* mouse event, l-mouse button down */
return NULL;
last = current;
if (!silitek_read(drv.fd, &b[1], TIMEOUT)) {
logprintf(LIRC_ERROR, "reading of byte 1 failed");
logperror(LIRC_ERROR, NULL);
return NULL;
}
if (!silitek_read(drv.fd, &b[2], TIMEOUT)) {
logprintf(LIRC_ERROR, "reading of byte 2 failed");
logperror(LIRC_ERROR, NULL);
return NULL;
}
/* mouse event ? */
if ((b[0] == 0x7c) || (b[0] == 0x7f) || (b[0] == 0xfd) || (b[0] == 0xfe)) {
/* if mouse was not moved check mouse-button state. */
if ((b[1] == 0x80) && (b[2] == 0x80)) {
switch (b[0]) {
case 0xfd:
b[1] = 0xa0; /* r-mouse button */
b[2] = 0xbb;
break;
case 0xfe:
b[1] = 0x0a; /* l-mouse button */
b[2] = 0xbb;
break;
case 0x7f:
b[1] = 0xaa; /* l+r-mouse button */
b[2] = 0xbb;
break;
}
} else {
/* calc mouse x movement */
mouse_x = b[1] & 0x1f;
/* calc mouse y movement */
mouse_y = b[2] & 0x1f;
/* if the joystick is pulled to the left */
if ((b[1] & 0x20) == 0x20) {
mouse_x = 32 - mouse_x;
sign |= 0x10;
}
/* if the joystick is pulled up */
if ((b[2] & 0x20) == 0x20) {
mouse_y = 32 - mouse_y;
sign |= 0x01;
}
/* calc mouse direction */
if ((mouse_x > 0) && (mouse_y == 0))
pos = 0x01;
if ((mouse_x > mouse_y) && (mouse_y > 0))
pos = 0x02;
if ((mouse_x == mouse_y) && (mouse_x > 0))
pos = 0x03;
if ((mouse_y > mouse_x) && (mouse_x > 0))
pos = 0x04;
if ((mouse_y > 0) && (mouse_x == 0))
pos = 0x05;
b[1] = sign;
b[2] = pos;
/* if only a small mouse movement don't set
* repeat flag gets better control in lircmd
* this way */
if ((mouse_x < 4) && (mouse_y < 4))
do_repeat = 0;
}
b[0] = 0xaa; /* set to indicate mouse event */
} else {
if (b[0] != 0x2a)
b[0] = 0xbb; /* set to indicate button down event */
else
b[0] = 0xcc; /* set to indicate button up event */
}
code = ((ir_code)b[0] << 16) + ((ir_code)b[1] << 8) + (ir_code)b[2];
gettimeofday(¤t, NULL);
m = decode_all(remotes);
return m;
}
//-------------------------------------------------------------------------
// Receive a code (bytes sequence) from the remote.
// This function is called by the LIRC daemon when I/O is pending
// from a registered client, e.g. irw.
//-------------------------------------------------------------------------
char *accent_rec(struct ir_remote *remotes)
{
char *m;
int i, j;
LOGPRINTF(LOG_DEBUG, "Entering accent_rec()");
// Timestamp of the last pressed key.
last = end;
// Timestamp of key press start.
gettimeofday(&start, NULL);
// Loop untill read ACCENT_MAX_READ_BYTES or sequence timeout.
for (i = 0; i < ACCENT_MAX_READ_BYTES; i++) {
// The function accent_rec() is called when some data
// is already available to read, so we don't wait on
// the first byte.
if (i > 0) {
// Each of the following bytes must be
// received within some timeout. 7500 us is
// the standard time for receiving a byte
// (wait at least this time) 56000 us is the
// min time gap between two code sequences
// (don't wait so much)
if (waitfordata(45000) == 0) {
// waitfordata() timed out: the
// sequence is complete.
LOGPRINTF(LOG_INFO, "waitfordata() timeout "
"waiting for byte %d", i);
break;
}
}
// Some data available to read.
if (read(hw.fd, &b[i], 1) == -1) {
logprintf(LOG_ERR, "read() failed at byte %d", i);
logperror(LOG_ERR, "read() failed");
return(NULL);
} else {
LOGPRINTF(LOG_INFO, "read() byte %d: %02x", i, b[i]);
}
} // End for
// Timestamp of key press end.
gettimeofday(&end, NULL);
// The bytes sequence is complete, check its validity.
LOGPRINTF(LOG_INFO, "Received a sequence of %d bytes", i);
// Just one byte with zero value: repeated keypress?
if (i == 1 && b[0] == 0) {
if (last_code && (start.tv_sec - last.tv_sec < 2)) {
// A previous code exists and the time gap is
// lower than 2 seconds.
logprintf(LOG_INFO, "Received repeated key");
code = last_code;
tcflush(hw.fd, TCIFLUSH);
m = decode_all(remotes);
return(m);
} else {
LOGPRINTF(LOG_INFO, "Previos code not set, "
"invalid repeat key");
last_code = 0;
return(NULL);
}
}
// Sequence too short?
if (i < ACCENT_MEANING_BYTES) {
logprintf(LOG_NOTICE, "Invalid sequence: too short");
last_code = 0;
return(NULL);
}
// A valid code begins with bytes 0x90 0x46 0x42
// and it is long not more than ACCENT_MEANING_BYTES.
if (b[0] == 0x90 && b[1] == 0x46 && b[2] == 0x42) {
code = 0;
if (sizeof(code) >= ACCENT_MEANING_BYTES) {
// We have plenty of space to store the full sequence.
code |= b[0];
code <<= 8;
code |= b[1];
code <<= 8;
code |= b[2];
code <<= 8;
code |= b[3];
code <<= 8;
code |= b[4];
code <<= 8;
code |= b[5];
code <<= 8;
code |= b[6];
code <<= 8;
code |= b[7];
} else {
// No much space, keep only the differentiating part.
code |= b[3];
code <<= 8;
code |= b[4];
code <<= 8;
code |= b[5];
code <<= 8;
code |= b[6];
}
LOGPRINTF(LOG_INFO, "sizeof(code) = %d", sizeof(code));
logprintf(LOG_INFO, "Received code -> 0x%016llx", code);
last_code = code;
tcflush(hw.fd, TCIFLUSH);
m = decode_all(remotes);
return(m);
}
// Sometimes the receiver goes crazy, it starts to send to the
// serial line a sequence of zeroes with no pauses at all.
// This jam terminates only if the user press a new button on
// the remote or if we close and re-open the serial port.
if (i == ACCENT_MAX_READ_BYTES) {
for (j = 0; j < ACCENT_MAX_READ_BYTES; j++)
{
if (b[j] != 0) break;
}
if (j == ACCENT_MAX_READ_BYTES) {
// All the received bytes are zeroes, without gaps.
logprintf(LOG_WARNING, "Receiver jam! "
"Reopening the serial port");
close(hw.fd);
if ((hw.fd = accent_open_serial_port(hw.device)) < 0) {
logprintf(LOG_ERR, "Could not reopen the "
"serial port");
raise(SIGTERM);
}
last_code = 0;
return(NULL);
}
}
// Should never reach this point.
logprintf(LOG_NOTICE, "Received an invalid sequence");
for (j = 0; j < i; j++)
{
LOGPRINTF(LOG_NOTICE, " b[%d] = %02x", j, b[j]);
}
last_code = 0;
return(NULL);
}
static char *awlibusb_rec(struct ir_remote *remotes)
{
if (!clear_rec_buffer())
return NULL;
return decode_all(remotes);
}
char *creative_rec(struct ir_remote *remotes)
{
char *m;
int i;
b[0]=0x4d;
b[1]=0x05;
b[4]=0xac;
b[5]=0x21;
last=end;
gettimeofday(&start,NULL);
for(i=0;i<NUMBYTES;i++)
{
if(i>0)
{
if(!waitfordata(TIMEOUT))
{
logprintf(LOG_ERR,"timeout reading byte %d",i);
return(NULL);
}
}
if(read(hw.fd,&b[i],1)!=1)
{
logprintf(LOG_ERR,"reading of byte %d failed",i);
logperror(LOG_ERR,NULL);
return(NULL);
}
if(b[0]!=0x4d ||
b[1]!=0x05 ||
b[4]!=0xac ||
b[5]!=0x21)
{
logprintf(LOG_ERR,"bad envelope");
return(NULL);
}
if(i==5)
{
if(b[2]!=((~b[3])&0xff))
{
logprintf(LOG_ERR,"bad checksum");
return(NULL);
}
}
LOGPRINTF(1,"byte %d: %02x",i,b[i]);
}
gettimeofday(&end,NULL);
pre=0x8435;
for(i=0;mapping[i]!=0x00;i++)
{
if(mapping[i]==b[3])
{
code=(ir_code) (i<<8)|((~i)&0xff);
break;
}
}
if(mapping[i]==0x00)
{
logprintf(LOG_ERR,"unknown code");
return(NULL);
}
m=decode_all(remotes);
return(m);
}
