diff options
Diffstat (limited to 'Transceiver52M/proto_trxd.c')
| -rw-r--r-- | Transceiver52M/proto_trxd.c | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/Transceiver52M/proto_trxd.c b/Transceiver52M/proto_trxd.c index 5cf22e6..fff23da 100644 --- a/Transceiver52M/proto_trxd.c +++ b/Transceiver52M/proto_trxd.c @@ -43,6 +43,21 @@ static void trxd_fill_v0_specific(struct trxd_hdr_v0_specific *v0, const struct osmo_store16be(toa_int, &v0->toa); } +static void trxd_fill_v1_specific(struct trxd_hdr_v1_specific *v1, const struct trx_ul_burst_ind *bi) +{ + int16_t ci_int_cB; + + /* deciBels->centiBels, round to closest integer */ + ci_int_cB = (int16_t)((bi->ci * 10) + 0.5); + + v1->idle = !!bi->idle; + v1->modulation = (bi->modulation == MODULATION_GMSK) ? + TRXD_MODULATION_GMSK(bi->tss) : + TRXD_MODULATION_8PSK(bi->tss); + v1->tsc = bi->tsc; + osmo_store16be(ci_int_cB, &v1->ci); +} + static void trxd_fill_burst_normalized255(uint8_t* soft_bits, const struct trx_ul_burst_ind *bi) { unsigned i; @@ -75,3 +90,28 @@ bool trxd_send_burst_ind_v0(size_t chan, int fd, const struct trx_ul_burst_ind * } return true; } + +bool trxd_send_burst_ind_v1(size_t chan, int fd, const struct trx_ul_burst_ind *bi) { + int rc; + size_t buf_len; + + buf_len = sizeof(struct trxd_hdr_v1); + if (!bi->idle) + buf_len += bi->nbits; + char buf[buf_len]; + + struct trxd_hdr_v1* pkt = (struct trxd_hdr_v1*)buf; + trxd_fill_common(&pkt->common, bi, 1); + trxd_fill_v0_specific(&pkt->v0, bi); + trxd_fill_v1_specific(&pkt->v1, bi); + + if (!bi->idle) + trxd_fill_burst_normalized255(&pkt->soft_bits[0], bi); + + rc = write(fd, buf, buf_len); + if (rc <= 0) { + CLOGCHAN(chan, DMAIN, LOGL_NOTICE, "mDataSockets write(%d) failed: %d\n", fd, rc); + return false; + } + return true; +} |