fixeria has submitted this change. (
https://gerrit.osmocom.org/c/libosmocore/+/32023 )
Change subject: gsm_04_08: document/clarify enum gsm48_chan_mode values
......................................................................
gsm_04_08: document/clarify enum gsm48_chan_mode values
The values are defined in 3GPP TS 44.018, section 10.5.2.6. Only the
radio interface rates for CSD (GSM48_CMODE_DATA_*) are given, but the
respective service rates can be found in 3GPP TS 45.003.
Change-Id: I716027f73ab6f20037f6de16e4a3740811aa38a2
Related: OS#1572
---
M include/osmocom/gsm/protocol/gsm_04_08.h
1 file changed, 31 insertions(+), 2 deletions(-)
Approvals:
Jenkins Builder: Verified
pespin: Looks good to me, but someone else must approve
laforge: Looks good to me, but someone else must approve
fixeria: Looks good to me, approved
diff --git a/include/osmocom/gsm/protocol/gsm_04_08.h
b/include/osmocom/gsm/protocol/gsm_04_08.h
index 7b8979b..7522623 100644
--- a/include/osmocom/gsm/protocol/gsm_04_08.h
+++ b/include/osmocom/gsm/protocol/gsm_04_08.h
@@ -746,18 +746,33 @@
uint8_t mode;
} __attribute__ ((packed));
+/*! 10.5.2.6 Channel Mode value */
enum gsm48_chan_mode {
+ /*! Signalling only (TCH/F or TCH/H) */
GSM48_CMODE_SIGN = 0x00,
+ /*! Speech: FR (TCH/FS) or HR (TCH/HS) */
GSM48_CMODE_SPEECH_V1 = 0x01,
- GSM48_CMODE_SPEECH_EFR = 0x21,
- GSM48_CMODE_SPEECH_AMR = 0x41,
+ /*! Speech: EFR (TCH/EFS) */
+ GSM48_CMODE_SPEECH_EFR = 0x21, /*!< a.k.a. V2 */
+ /*! Speech: AMR (TCH/AFS or TCH/AHS) */
+ GSM48_CMODE_SPEECH_AMR = 0x41, /*!< a.k.a. V3 */
+
+ /*! CSD: 14.5 kbit/s radio interface rate, 14.4 kbit/s services
(TCH/F14.4) */
GSM48_CMODE_DATA_14k5 = 0x0f,
+ /*! CSD: 12.0 kbit/s radio interface rate, 9.6 kbit/s services
(TCH/F9.6) */
GSM48_CMODE_DATA_12k0 = 0x03,
+ /*! CSD: 6.0 kbit/s radio interface rate, 4.8 kbit/s services
(TCH/{F,H}4.8) */
GSM48_CMODE_DATA_6k0 = 0x0b,
+ /*! CSD: 3.6 kbit/s radio interface rate, 2.4 kbit/s and less services
(TCH/{F,H}2.4) */
GSM48_CMODE_DATA_3k6 = 0x13,
+
+ /*! Same as GSM48_CMODE_SPEECH_V1, in VAMOS mode */
GSM48_CMODE_SPEECH_V1_VAMOS = 0xc1,
+ /*! Same as GSM48_CMODE_SPEECH_EFR, in VAMOS mode */
GSM48_CMODE_SPEECH_V2_VAMOS = 0xc2,
+ /*! Same as GSM48_CMODE_SPEECH_AMR, in VAMOS mode */
GSM48_CMODE_SPEECH_V3_VAMOS = 0xc3,
+ /*! Speech: FR AMR-WB, in VAMOS mode */
GSM48_CMODE_SPEECH_V5_VAMOS = 0xc5,
};
--
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Gerrit-Project: libosmocore
Gerrit-Branch: master
Gerrit-Change-Id: I716027f73ab6f20037f6de16e4a3740811aa38a2
Gerrit-Change-Number: 32023
Gerrit-PatchSet: 1
Gerrit-Owner: fixeria <[email protected]>
Gerrit-Reviewer: Jenkins Builder
Gerrit-Reviewer: fixeria <[email protected]>
Gerrit-Reviewer: laforge <[email protected]>
Gerrit-Reviewer: pespin <[email protected]>
Gerrit-MessageType: merged
