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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/test_noise_cmd.h"
#include "aci_test_noise.h"
#include <hal_adda.h>
/**************************************************************************
* private prototypes
*/
/**************************************************************************
* private functions
*/
/**************************************************************************
* public functions
*/
aci_test_noise_processCmd(const mm_packet_t * pkt)
{
uint16_t i, j;
uint16_t idx; // prevent any wrap arounds when using uint8
fp32_t scale;
aci_test_noise_cmd_t * p = (aci_test_noise_cmd_t *)pkt->payload;
// sanity check
if (pkt->header.len != sizeof(aci_test_noise_cmd_t)) {
}
// obtain and check parameters
if (p->step < 1) {
p->step = 1;
}
if (p->dur < 1) {
p->dur = 1;
}
// get scaling
if (p->gc) {
scale = 0;
for (idx = 0; idx < FREQ_LIST_NUM; idx += p->step) {
scale += freq_getTxGainByIndex(idx);
}
} else {
scale = FP_ONE * (FREQ_LIST_NUM / p->step); // automatic floor
}
// prepare test signal
fp32_t tmp;
tmp = 0;
for (idx = 0; idx < FREQ_LIST_NUM; idx += p->step) {
tmp += FREQ_TXLIST[idx][i];
}
testSig[i] = (fp16_t)fp32_div(tmp, scale);
}
// init tx mode
adda_activateTransmission();
for (j = 0; j < p->dur; j++) {
// send out next frequency
adda_setSample(testSig[i]);
}
}
adda_setNeutralSample();
// wait until transmitter runs out of samples
while (adda_hasSample()) {
;
}
// return to rx mode
adda_activateSampling();