diff options
| author | Harald Welte <laforge@gnumonks.org> | 2008-12-01 12:54:30 +0530 |
|---|---|---|
| committer | Harald Welte <laforge@gnumonks.org> | 2008-12-01 12:54:30 +0530 |
| commit | 602a3c8aa8a3d9bd4d93deda6ac932404f39584d (patch) | |
| tree | a8c44956098cc4a6151fd9d8e0d8afc035182159 /gsmstack/channel.c | |
| parent | 10f2fcca8dd1be2719bccefa16fd9dac9a76c749 (diff) | |
Add README, various compile fixes
Diffstat (limited to 'gsmstack/channel.c')
| -rw-r--r-- | gsmstack/channel.c | 42 |
1 files changed, 27 insertions, 15 deletions
diff --git a/gsmstack/channel.c b/gsmstack/channel.c index 768ed65..6bd61e5 100644 --- a/gsmstack/channel.c +++ b/gsmstack/channel.c @@ -1,7 +1,10 @@ #include <stdlib.h> #include <stdio.h> #include <string.h> +#include <errno.h> #include "gsmstack.h" +#include "cch.h" +#include "tch.h" /* convert an 18byte 8-bit-per-byte burst to a 142byte 1bit-per-byte */ static void bit_per_byte(unsigned char *dest, const unsigned char *src) @@ -21,26 +24,34 @@ static void bit_per_byte(unsigned char *dest, const unsigned char *src) static int add_burst_to_lchan(struct gsm_logi_chan *lchan, struct gsm_burst *burst) { + struct gsm_phys_chan *pchan = burst->pchan; int rc = 0; /* copy burst to burst buffer */ memcpy(lchan->burst_buf[lchan->next_burst], burst, sizeof(*burst)); lchan->next_burst++; - switch (lchan->type) { - case GSM_LCHAN_TCH_F: - /* FIXME */ - break; - case GSM_LCHAN_TCH_H: - /* FIXME */ - default: - if (lchan->next_burst == 4) { - lchan->next_burst = 0; - /* FIXME: decode the four bursts into a MAC block */ - - /* pass the resulting MAC block up the stack */ - rc = gsm_lchan_macblock() + if (lchan->next_burst == 4) { + lchan->next_burst = 0; + /* decode the four bursts into a MAC block */ + switch (pchan->config) { + case GSM_PCHAN_TCH_H: + /* FIXME */ + break; + case GSM_PCHAN_TCH_F: + rc = tch_decode(); + break; + case GSM_PCHAN_CCCH: + case GSM_PCHAN_SDCCH8_SACCH8C: + rc = cch_decode(); + break; + default: + fprintf(stderr, "unknown pchan config %u\n", + pchan->config); } + /* pass the resulting MAC block up the stack */ + if (rc) + rc = gsm_lchan_macblock() } return rc; @@ -65,7 +76,7 @@ static int gsm_rx_sdcch8(struct gsm_burst *burst) return add_burst_to_lchan(lchan, burst); } -static int gsm_rx_tch(struct gsm_burst *burst) +static int gsm_rx_tch_f(struct gsm_burst *burst) { struct gsm_phys_chan *pchan = burst->gsm_pchan; struct gsm_logi_chan *lchan; @@ -131,8 +142,9 @@ int gsm_rx_burst(struct gsm_burst *burst, int bits) rc = gsm_rx_sdcch8(burst); break; case GSM_PCHAN_TCH_F: - rc = + rc = gsm_rx_tch_h(burst); break; + case GSM_PCHAN_TCH_H: case GSM_PCHAN_UNKNOWN: default: fprintf(stderr, "unknown pchan config (ts=%u\n)\n", |