void calculate_signal_lengths(struct ir_remote *remote)
{
if(is_const(remote))
{
remote->min_total_signal_length = min_gap(remote);
remote->max_total_signal_length = max_gap(remote);
}
else
{
remote->min_gap_length = min_gap(remote);
remote->max_gap_length = max_gap(remote);
}
lirc_t min_signal_length = 0, max_signal_length = 0;
lirc_t max_pulse = 0, max_space = 0;
int first_sum = 1;
struct ir_ncode *c = remote->codes;
int i;
while(c->name)
{
struct ir_ncode code = *c;
struct ir_code_node *next = code.next;
int first = 1;
int repeat = 0;
do{
if(first)
{
first = 0;
}
else
{
code.code = next->code;
next = next->next;
}
for(repeat = 0; repeat < 2; repeat++)
{
if(init_sim(remote, &code, repeat))
{
lirc_t sum = send_buffer.sum;
if(sum)
{
if(first_sum ||
sum < min_signal_length)
{
min_signal_length = sum;
}
if(first_sum ||
sum > max_signal_length)
{
max_signal_length = sum;
}
first_sum = 0;
}
for(i=0; i<send_buffer.wptr; i++)
{
if(i&1) /* space */
{
if(send_buffer.data[i] > max_space)
{
max_space = send_buffer.data[i];
}
}
else /* pulse */
{
if(send_buffer.data[i] > max_pulse)
{
max_pulse = send_buffer.data[i];
}
}
}
}
}
} while(next);
c++;
}
if(first_sum)
{
/* no timing data, so assume gap is the actual total
length */
remote->min_total_signal_length = min_gap(remote);
remote->max_total_signal_length = max_gap(remote);
remote->min_gap_length = min_gap(remote);
remote->max_gap_length = max_gap(remote);
}
else if(is_const(remote))
{
if(remote->min_total_signal_length > max_signal_length)
{
remote->min_gap_length =
remote->min_total_signal_length
- max_signal_length;
}
else
{
logprintf(LOG_WARNING, "min_gap_length is 0 for "
"'%s' remote", remote->name);
remote->min_gap_length = 0;
}
if(remote->max_total_signal_length > min_signal_length)
{
remote->max_gap_length =
remote->max_total_signal_length
- min_signal_length;
}
else
{
logprintf(LOG_WARNING, "max_gap_length is 0 for "
"'%s' remote", remote->name);
remote->max_gap_length = 0;
}
}
else
{
remote->min_total_signal_length = min_signal_length +
remote->min_gap_length;
remote->max_total_signal_length = max_signal_length +
remote->max_gap_length;
}
LOGPRINTF(1, "lengths: %lu %lu %lu %lu",
remote->min_total_signal_length,
remote->max_total_signal_length,
remote->min_gap_length,
remote->max_gap_length);
}
int init_send(struct ir_remote *remote,struct ir_ncode *code)
{
int i, repeat=0;
if(is_grundig(remote) ||
is_goldstar(remote) || is_serial(remote) || is_bo(remote))
{
logprintf(LOG_ERR,"sorry, can't send this protocol yet");
return(0);
}
clear_send_buffer();
if(is_biphase(remote))
{
send_buffer.is_biphase=1;
}
if(repeat_remote==NULL)
{
remote->repeat_countdown=remote->min_repeat;
}
else
{
repeat = 1;
}
init_send_loop:
if(repeat && has_repeat(remote))
{
if(remote->flags&REPEAT_HEADER && has_header(remote))
{
send_header(remote);
}
send_repeat(remote);
}
else
{
if(!is_raw(remote))
{
ir_code next_code;
if(code->transmit_state == NULL)
{
next_code = code->code;
}
else
{
next_code = code->transmit_state->code;
}
send_code(remote, next_code, repeat);
if(has_toggle_mask(remote))
{
remote->toggle_mask_state++;
if(remote->toggle_mask_state==4)
{
remote->toggle_mask_state=2;
}
}
send_buffer.data=send_buffer._data;
}
else
{
if(code->signals==NULL)
{
logprintf(LOG_ERR, "no signals for raw send");
return 0;
}
if(send_buffer.wptr>0)
{
send_signals(code->signals, code->length);
}
else
{
send_buffer.data=code->signals;
send_buffer.wptr=code->length;
for(i=0; i<code->length; i++)
{
send_buffer.sum+=code->signals[i];
}
}
}
}
sync_send_buffer();
if(bad_send_buffer())
{
logprintf(LOG_ERR,"buffer too small");
return(0);
}
if(has_repeat_gap(remote) && repeat && has_repeat(remote))
{
remote->min_remaining_gap=remote->repeat_gap;
remote->max_remaining_gap=remote->repeat_gap;
}
else if(is_const(remote))
{
if(min_gap(remote)>send_buffer.sum)
{
remote->min_remaining_gap=min_gap(remote)-send_buffer.sum;
remote->max_remaining_gap=max_gap(remote)-send_buffer.sum;
}
else
{
logprintf(LOG_ERR,"too short gap: %u",remote->gap);
remote->min_remaining_gap=min_gap(remote);
remote->max_remaining_gap=max_gap(remote);
return(0);
}
}
else
{
remote->min_remaining_gap=min_gap(remote);
remote->max_remaining_gap=max_gap(remote);
}
/* update transmit state */
if(code->next != NULL)
{
if(code->transmit_state == NULL)
{
code->transmit_state = code->next;
}
else
{
code->transmit_state = code->transmit_state->next;
}
}
if((remote->repeat_countdown>0 || code->transmit_state != NULL) &&
remote->min_remaining_gap<LIRCD_EXACT_GAP_THRESHOLD)
{
if(send_buffer.data!=send_buffer._data)
{
lirc_t *signals;
int n;
LOGPRINTF(1, "unrolling raw signal optimisation");
signals=send_buffer.data;
n=send_buffer.wptr;
send_buffer.data=send_buffer._data;
send_buffer.wptr=0;
send_signals(signals, n);
}
LOGPRINTF(1, "concatenating low gap signals");
if(code->next == NULL || code->transmit_state == NULL)
{
remote->repeat_countdown--;
}
send_space(remote->min_remaining_gap);
flush_send_buffer();
send_buffer.sum=0;
repeat = 1;
goto init_send_loop;
}
LOGPRINTF(3, "transmit buffer ready");
return(1);
}
