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/* Layer 1 Various primitive utilities */
/* (C) 2010 by Sylvain Munaut <tnt@246tNt.com>
*
* All Rights Reserved
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
*/
#include <stdint.h>
#include <osmocom/core/msgb.h>
#include <layer1/sync.h>
static const uint8_t ubUui[23] = {
/* dummy lapdm header */
0x01, 0x03, 0x01,
/* fill bytes */
0x2b, 0x2b, 0x2b, 0x2b, 0x2b, 0x2b, 0x2b, 0x2b,
0x2b, 0x2b, 0x2b, 0x2b, 0x2b, 0x2b, 0x2b, 0x2b,
0x2b, 0x2b, 0x2b, 0x2b
};
static uint8_t ubMeas[23] = {
/* L1 SAACH pseudo-header */
0x0f, 0x00,
/* lapdm header */
0x01, 0x03, 0x49,
/* RR Management messages, Measurement Report */
0x06, 0x15,
/* Measurement results (see 3GPP TS 44.018, section 10.5.2.20):
* 0... .... = BA-USED: 0
* .0.. .... = DTX-USED: DTX was not used
* ..11 0110 = RXLEV-FULL-SERVING-CELL: -57 <= x < -56 dBm (54)
* 0... .... = 3G-BA-USED: 0
* .1.. .... = MEAS-VALID: The measurement results are not valid
* ..11 0110 = RXLEV-SUB-SERVING-CELL: -57 <= x < -56 dBm (54)
* 0... .... = SI23_BA_USED: 0
* .000 .... = RXQUAL-FULL-SERVING-CELL: BER < 0.2%, Mean value 0.14% (0)
* .... 000. = RXQUAL-SUB-SERVING-CELL: BER < 0.2%, Mean value 0.14% (0)
* .... ...1 11.. .... = NO-NCELL-M: Neighbour cell information not available */
0x36, 0x76, 0x01, 0xc0, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
};
const uint8_t *pu_get_idle_frame(void)
{
return ubUui;
}
void pu_update_rx_level(uint8_t rx_level)
{
ubMeas[7] = ubMeas[8] = rx_level;
}
const uint8_t *pu_get_meas_frame(void)
{
if (l1s.tx_meas) {
return l1s.tx_meas->l3h;
} else {
/* Update L1 SAACH pseudo-header */
ubMeas[0] = l1s.tx_power;
ubMeas[1] = l1s.ta;
return ubMeas;
}
}
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