diff options
Diffstat (limited to 'src/osmo-bts-sysmo/tch.c')
| -rw-r--r-- | src/osmo-bts-sysmo/tch.c | 25 |
1 files changed, 22 insertions, 3 deletions
diff --git a/src/osmo-bts-sysmo/tch.c b/src/osmo-bts-sysmo/tch.c index 6710edd..1225010 100644 --- a/src/osmo-bts-sysmo/tch.c +++ b/src/osmo-bts-sysmo/tch.c @@ -158,10 +158,18 @@ static struct msgb *l1_to_rtppayload_hr(uint8_t *l1_payload, uint8_t payload_len struct msgb *msg = msgb_alloc_headroom(1024, 128, "L1C-to-RTP"); uint8_t *cur; -#warning Test GSM HR + if (payload_len != GSM_HR_BYTES) { + LOGP(DL1C, LOGL_ERROR, "L1 HR frame length %u != expected %u\n", + payload_len, GSM_HR_BYTES); + return NULL; + } + cur = msgb_put(msg, GSM_HR_BYTES); memcpy(cur, l1_payload, GSM_HR_BYTES); + /* reverse the bit-order of each payload byte */ + osmo_revbytebits_buf(cur, GSM_HR_BYTES); + return msg; } @@ -174,8 +182,19 @@ static struct msgb *l1_to_rtppayload_hr(uint8_t *l1_payload, uint8_t payload_len static int rtppayload_to_l1_hr(uint8_t *l1_payload, uint8_t *rtp_payload, unsigned int payload_len) { -#warning Implement GSM HR - return 0; + + if (payload_len != GSM_HR_BYTES) { + LOGP(DL1C, LOGL_ERROR, "RTP HR frame length %u != expected %u\n", + payload_len, GSM_HR_BYTES); + return 0; + } + + memcpy(l1_payload, rtp_payload, GSM_HR_BYTES); + + /* reverse the bit-order of each payload byte */ + osmo_revbytebits_buf(l1_payload, GSM_HR_BYTES); + + return GSM_HR_BYTES; } #define AMR_TOC_QBIT 0x04 |