/*====================================================================*
*
* Copyright (c) 2013 Qualcomm Atheros, Inc.
*
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or
* without modification, are permitted (subject to the limitations
* in the disclaimer below) provided that the following conditions
* are met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* * 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.
*
* * Neither the name of Qualcomm Atheros nor the names of
* its contributors may be used to endorse or promote products
* derived from this software without specific prior written
* permission.
*
* NO EXPRESS OR IMPLIED LICENSES TO ANY PARTY'S PATENT RIGHTS ARE
* GRANTED BY THIS LICENSE. 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 OWNER
* 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.
*
*--------------------------------------------------------------------*/
/*====================================================================*
*
* signed SignalToNoise2 (struct plc * plc);
*
* amp.h
*
*
* Contributor(s):
* Charles Maier <cmaier@qca.qualcomm.com>
*
*--------------------------------------------------------------------*/
#ifndef SIGNALTONOISE2_SOURCE
#define SIGNALTONOISE2_SOURCE
#include <stdio.h>
#include <stdint.h>
#include "../tools/types.h"
#include "../tools/flags.h"
#include "../tools/error.h"
#include "../tools/endian.h"
#include "../plc/plc.h"
#include "../mme/mme.h"
#ifndef TONEMAPS2_SOURCE
static uint8_t const mod2bits [AMP_BITS] =
{
0,
1,
2,
3,
4,
6,
8,
10,
12
};
#endif
#ifndef TONEMAPS2_SOURCE
static uint8_t const mod2db [AMP_BITS] =
{
0,
2,
4,
7,
10,
16,
22,
28,
36
};
#endif
signed SignalToNoise2 (struct plc * plc)
{
struct channel * channel = (struct channel *)(plc->channel);
struct message * message = (struct message *)(plc->message);
byte tonemap [PLC_SLOTS + 1][AMP_CARRIERS >> 1];
uint16_t GIL [PLC_SLOTS];
uint16_t AGC [PLC_SLOTS];
double SNR [PLC_SLOTS];
double BPC [PLC_SLOTS];
double AvgSNR;
double AvgBPC;
uint16_t extent = 0;
uint16_t active = 0;
uint16_t carriers = AMP_CARRIERS;
uint16_t carrier = 0;
uint8_t slots = PLC_SLOTS;
uint8_t slot = 0;
#ifndef __GNUC__
#pragma pack (push,1)
#endif
struct __packed vs_rx_tone_map_char_request
{
struct ethernet_hdr ethernet;
struct qualcomm_fmi qualcomm;
uint8_t MME_SUBVER;
uint8_t Reserved1 [3];
uint8_t MACADDRESS [ETHER_ADDR_LEN];
uint8_t TMSLOT;
uint8_t COUPLING;
}
* request = (struct vs_rx_tone_map_char_request *) (message);
struct __packed vs_rx_tonemap_char_confirm
{
struct ethernet_hdr ethernet;
struct qualcomm_fmi qualcomm;
uint8_t MSTATUS;
uint8_t Reserved1;
uint16_t MME_LEN;
uint8_t MME_SUBVER;
uint8_t Reserved2;
uint8_t MACADDR [6];
uint8_t TMSLOT;
uint8_t COUPLING;
uint8_t NUMTMS;
uint8_t Reserved4;
uint16_t TMNUMACTCARRIERS;
uint32_t Reserved6;
uint8_t GIL;
uint8_t Reserved7;
uint8_t AGC;
uint8_t Reserved8;
uint8_t MOD_CARRIER [1];
}
* confirm = (struct vs_rx_tonemap_char_confirm *) (message);
struct __packed vs_rx_tonemap_char_fragment
{
struct ethernet_hdr ethernet;
struct homeplug_fmi qualcomm;
uint8_t MOD_CARRIER [1];
}
* fragment = (struct vs_rx_tonemap_char_fragment *) (message);
#ifndef __GNUC__
#pragma pack (pop)
#endif
memset (tonemap, 0, sizeof (tonemap));
for (carrier = slot = 0; slot < slots; carrier = 0, slot++)
{
memset (message, 0, sizeof (* message));
EthernetHeader (&request->ethernet, channel->peer, channel->host, channel->type);
QualcommHeader1 (&request->qualcomm, 1, (VS_RX_TONE_MAP_CHAR | MMTYPE_REQ));
memcpy (request->MACADDRESS, plc->RDA, sizeof (request->MACADDRESS));
request->TMSLOT = slot;
request->COUPLING = plc->coupling;
plc->packetsize = (ETHER_MIN_LEN - ETHER_CRC_LEN);
if (SendMME (plc) <= 0)
{
error (PLC_EXIT (plc), errno, CHANNEL_CANTSEND);
return (-1);
}
if (ReadMME (plc, 1, (VS_RX_TONE_MAP_CHAR | MMTYPE_CNF)) <= 0)
{
error (PLC_EXIT (plc), errno, CHANNEL_CANTREAD);
return (-1);
}
if (confirm->MSTATUS)
{
error (1, 0, "Device refused request for slot %d: %s", slot, MMECode (VS_RX_TONE_MAP_CHAR | MMTYPE_CNF, confirm->MSTATUS));
}
GIL [slot] = confirm->GIL;
AGC [slot] = confirm->AGC;
carriers = LE16TOH (confirm->TMNUMACTCARRIERS);
slots = confirm->NUMTMS;
extent = LE16TOH (confirm->MME_LEN) - 22;
if (extent > (AMP_CARRIERS >> 1))
{
error (1, EOVERFLOW, "Too many carriers");
}
plc->packetsize -= sizeof (struct vs_rx_tonemap_char_confirm);
plc->packetsize += sizeof (confirm->MOD_CARRIER);
if (plc->packetsize > extent)
{
plc->packetsize = extent;
}
memcpy (&tonemap [slot] [carrier], &confirm->MOD_CARRIER, plc->packetsize);
carrier += plc->packetsize;
extent -= plc->packetsize;
while (extent)
{
if (ReadMME (plc, 1, (VS_RX_TONE_MAP_CHAR | MMTYPE_CNF)) <= 0)
{
error (1, errno, CHANNEL_CANTREAD);
}
plc->packetsize -= sizeof (struct vs_rx_tonemap_char_fragment);
plc->packetsize += sizeof (fragment->MOD_CARRIER);
if (plc->packetsize > extent)
{
plc->packetsize = extent;
}
memcpy (&tonemap [slot] [carrier], fragment->MOD_CARRIER, plc->packetsize);
carrier += plc->packetsize;
extent -= plc->packetsize;
}
}
carrier = 0;
/*
* LOW BANDS;
*/
memset (BPC, 0, sizeof (BPC));
memset (SNR, 0, sizeof (SNR));
AvgBPC = 0;
AvgSNR = 0;
while (carrier < INT_CARRIERS)
{
unsigned value = 0;
unsigned scale = 0;
unsigned index = carrier >> 1;
printf ("%04d", carrier);
for (slot = 0; slot < slots; slot++)
{
value = tonemap [slot][index];
if ((carrier & 1))
{
value >>= 4;
}
value &= 0x0F;
if (value > (AMP_BITS-1))
{
error (0, EINVAL, "Index %d Slot %d Value %d", carrier, slot, value);
}
printf (",%02d", mod2bits [value]);
BPC [slot] += mod2bits [value];
SNR [slot] += mod2db [value];
AvgBPC += mod2bits [value];
AvgSNR += mod2db [value];
value *= value;
scale += value;
}
if (_anyset (plc->flags, PLC_GRAPH))
{
printf (" %03d ", scale);
if (scale)
{
scale /= slots;
while (scale--)
{
printf ("#");
}
active++;
}
}
printf ("\n");
carrier++;
}
AvgBPC /= active;
AvgBPC /= slots;
AvgSNR /= active;
AvgSNR /= slots;
printf (" SNR");
for (slot = 0; slot < slots; slot++)
{
printf (",%8.3f", (float)(SNR [slot]) / active);
}
printf (",%8.3f", AvgSNR);
printf (" \n");
printf (" ATN");
for (slot = 0; slot < slots; slot++)
{
printf (",%8.3f", (float)(SNR [slot]) / active - 60);
}
printf (",%8.3f", AvgSNR - 60);
printf (" \n");
printf (" BPC");
for (slot = 0; slot < slots; slot++)
{
printf (",%8.3f", (float)(BPC [slot]) / active);
}
printf (",%8.3f", AvgBPC);
printf (" \n");
/*
* HIGH BANDS;
*/
memset (BPC, 0, sizeof (BPC));
memset (SNR, 0, sizeof (SNR));
AvgBPC = 0;
AvgSNR = 0;
while (carrier < carriers)
{
unsigned value = 0;
unsigned scale = 0;
unsigned index = carrier >> 1;
printf ("%04d", carrier);
for (slot = 0; slot < slots; slot++)
{
value = tonemap [slot][index];
if ((carrier & 1))
{
value >>= 4;
}
value &= 0x0F;
if (value > (AMP_BITS-1))
{
error (0, EINVAL, "Index %d Slot %d Value %d", carrier, slot, value);
}
printf (",%02d", mod2bits [value]);
BPC [slot] += mod2bits [value];
SNR [slot] += mod2db [value];
AvgBPC += mod2bits [value];
AvgSNR += mod2db [value];
value *= value;
scale += value;
}
if (_anyset (plc->flags, PLC_GRAPH))
{
printf (" %03d ", scale);
if (scale)
{
scale /= slots;
while (scale--)
{
printf ("#");
}
}
}
printf ("\n");
carrier++;
active++;
}
AvgBPC /= active;
AvgBPC /= slots;
AvgSNR /= active;
AvgSNR /= slots;
printf (" SNR");
for (slot = 0; slot < slots; slot++)
{
printf (",%8.3f", (float)(SNR [slot]) / active);
}
printf (",%8.3f", AvgSNR);
printf (" \n");
printf (" ATN");
for (slot = 0; slot < slots; slot++)
{
printf (",%8.3f", (float)(SNR [slot]) / active - 60);
}
printf (",%8.3f", AvgSNR - 60);
printf (" \n");
printf (" BPC");
for (slot = 0; slot < slots; slot++)
{
printf (",%8.3f", (float)(BPC [slot]) / active);
}
printf (",%8.3f", AvgBPC);
printf (" \n");
printf (" AGC");
for (slot = 0; slot < slots; slot++)
{
printf (",%02d", AGC [slot]);
}
printf (" \n");
printf (" GIL");
for (slot = 0; slot < slots; slot++)
{
printf (",%02d", GIL [slot]);
}
printf (" \n");
return (0);
}
#endif