inline int get_header(struct ir_remote *remote) { if (is_rcmm(remote)) { lirc_t deltap, deltas, sum; deltap = get_next_pulse(remote->phead); if (deltap == 0) { unget_rec_buffer(1); return (0); } deltas = get_next_space(remote->shead); if (deltas == 0) { unget_rec_buffer(2); return (0); } sum = deltap + deltas; if (expect(remote, sum, remote->phead + remote->shead)) { return (1); } unget_rec_buffer(2); return (0); } else if (is_bo(remote)) { if (expectpulse(remote, remote->pone) && expectspace(remote, remote->sone) && expectpulse(remote, remote->pone) && expectspace(remote, remote->sone) && expectpulse(remote, remote->phead) && expectspace(remote, remote->shead)) { return 1; } return 0; } if (remote->shead == 0) { if (!sync_pending_space(remote)) return 0; set_pending_pulse(remote->phead); return 1; } if (!expectpulse(remote, remote->phead)) { unget_rec_buffer(1); return (0); } /* if this flag is set I need a decision now if this is really a header */ if (remote->flags & NO_HEAD_REP) { lirc_t deltas; deltas = get_next_space(remote->shead); if (deltas != 0) { if (expect(remote, remote->shead, deltas)) { return (1); } unget_rec_buffer(2); return (0); } } set_pending_space(remote->shead); return (1); }
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); }