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*
* Bernd-Christian Renner, and
* Hamburg University of Technology (TUHH).
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* 3. Neither the name of the copyright holder nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "aci.h"
#include "aci/types/powerlevel_rsp.h"
#include "aci_powerlevel.h"
#include <hal_adda.h>
#include <channelquality.h>
/**************************************************************************
* private prototypes
*/
/**************************************************************************
* private functions
*/
uint8_t
aci_powerlevel_fillReply(uint8_t * payload)
{
aci_powerlevel_rsp_t * p = (aci_powerlevel_rsp_t *)payload;
uint16_t i;
fp32_t Ueff;
fp32_t Umean;
fp16_t sample;
// calculate power
// @see channelquality.h/c for details on the method
Umean = 0;
Ueff = 0;
while (! adda_getSample(&sample)) { ; }
Ueff += fp16_square(sample);
Umean += sample;
}
p->power = channelquality_calcPowerLevel(Ueff, Umean, RX_SAMPLES_PER_SYMBOL, 1); // the reference is a simple sine (useful?)
return sizeof(aci_powerlevel_rsp_t);
}
/**************************************************************************
* public functions
*/
aci_powerlevel_processCmd(const mm_packet_t * pkt)
{
// read-only command
return true;