mirror of https://gerrit.osmocom.org/libosmocore
l1sap: Add fields for higher-precision timing offset values
So far, we used quarter-bits across the L1SAP between the hardware/PHY specific part of OsmoBTS and the common part. In order to increase the resolution, let's add fields/members for 1/256th bit. In order to keep ABI and API compatibility, we use a union around the old and new values, so old code will still compile + work withe new libosmocore. Change-Id: Ibb58113c2819fe2d6d23ecbcfb8b3fce4055025d
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@ -77,7 +77,10 @@ struct ph_data_param {
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uint32_t fn; /*!< GSM Frame Number */
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uint32_t fn; /*!< GSM Frame Number */
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int8_t rssi; /*!< RSSI of receivedindication */
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int8_t rssi; /*!< RSSI of receivedindication */
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uint16_t ber10k; /*!< BER in units of 0.01% */
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uint16_t ber10k; /*!< BER in units of 0.01% */
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union {
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int16_t ta_offs_qbits; /* !< Burst TA Offset in quarter bits */
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int16_t ta_offs_qbits; /* !< Burst TA Offset in quarter bits */
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int16_t ta_offs_256bits;/*!< timing advance offset (in 1/256th bits) */
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};
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int16_t lqual_cb; /* !< Link quality in centiBel */
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int16_t lqual_cb; /* !< Link quality in centiBel */
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enum osmo_ph_pres_info_type pdch_presence_info; /*!< Info regarding presence/validity of header and data parts */
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enum osmo_ph_pres_info_type pdch_presence_info; /*!< Info regarding presence/validity of header and data parts */
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};
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};
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@ -107,7 +110,10 @@ struct info_meas_ind_param {
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uint8_t chan_nr; /*!< Channel Number (Like RSL) */
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uint8_t chan_nr; /*!< Channel Number (Like RSL) */
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uint32_t fn; /*!< GSM Frame Number */
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uint32_t fn; /*!< GSM Frame Number */
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uint16_t ber10k; /*!< BER in units of 0.01% */
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uint16_t ber10k; /*!< BER in units of 0.01% */
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union {
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int16_t ta_offs_qbits; /*!< timing advance offset (in qbits) */
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int16_t ta_offs_qbits; /*!< timing advance offset (in qbits) */
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int16_t ta_offs_256bits;/*!< timing advance offset (in 1/256th bits) */
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};
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int16_t c_i_cb; /*!< C/I ratio in 0.1 dB */
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int16_t c_i_cb; /*!< C/I ratio in 0.1 dB */
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uint8_t is_sub:1; /*!< flags */
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uint8_t is_sub:1; /*!< flags */
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uint8_t inv_rssi; /*!< RSSI in dBm * -1 */
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uint8_t inv_rssi; /*!< RSSI in dBm * -1 */
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