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UAT_test_signal.c
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UAT_test_signal.c
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/*
* Copyright (c) 2017, Texas Instruments Incorporated
* All rights reserved.
*
* Copyright (C) 2018-2021 Linar Yusupov
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted 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 Texas Instruments Incorporated 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 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.
*/
/***** Includes *****/
/* Standard C Libraries */
#include <stdlib.h>
#include <unistd.h>
/* TI Drivers */
#include <ti/drivers/rf/RF.h>
#include <ti/drivers/PIN.h>
#include <ti/drivers/pin/PINCC26XX.h>
/* Driverlib Header files */
#include DeviceFamily_constructPath(driverlib/rf_prop_mailbox.h)
/* Board Header files */
#include "Board.h"
#include "smartrf_settings/smartrf_settings.h"
#include "UAT_data.h"
#include "fec/char.h"
#include "fec/rs-common.h"
/***** Defines *****/
#define SHORT_FRAME_DATA_BITS (144)
#define SHORT_FRAME_BITS (SHORT_FRAME_DATA_BITS+96)
#define SHORT_FRAME_DATA_BYTES (SHORT_FRAME_DATA_BITS/8)
#define SHORT_FRAME_BYTES (SHORT_FRAME_BITS/8)
#define LONG_FRAME_DATA_BITS (272)
#define LONG_FRAME_BITS (LONG_FRAME_DATA_BITS+112)
#define LONG_FRAME_DATA_BYTES (LONG_FRAME_DATA_BITS/8)
#define LONG_FRAME_BYTES (LONG_FRAME_BITS/8)
#define UPLINK_BLOCK_DATA_BITS (576)
#define UPLINK_BLOCK_BITS (UPLINK_BLOCK_DATA_BITS+160)
#define UPLINK_BLOCK_DATA_BYTES (UPLINK_BLOCK_DATA_BITS/8)
#define UPLINK_BLOCK_BYTES (UPLINK_BLOCK_BITS/8)
#define UPLINK_FRAME_BLOCKS (6)
#define UPLINK_FRAME_DATA_BITS (UPLINK_FRAME_BLOCKS * UPLINK_BLOCK_DATA_BITS)
#define UPLINK_FRAME_BITS (UPLINK_FRAME_BLOCKS * UPLINK_BLOCK_BITS)
#define UPLINK_FRAME_DATA_BYTES (UPLINK_FRAME_DATA_BITS/8)
#define UPLINK_FRAME_BYTES (UPLINK_FRAME_BITS/8)
#define UAT_SYNCWORD_LSB ((unsigned char) 0xe2)
/* Packet TX Configuration */
#define PAYLOAD_LENGTH (LONG_FRAME_BYTES + sizeof(UAT_SYNCWORD_LSB))
#define PACKET_INTERVAL 999000 /* Set packet interval to 1000000us or 1000ms */
//#define PACKET_INTERVAL 500000 /* Set packet interval to 500000us or 500ms */
//#define PACKET_INTERVAL 200000 /* Set packet interval to 200000us or 200ms */
/***** Prototypes *****/
/***** Variable declarations *****/
static uint8_t packet[UPLINK_BLOCK_BYTES];
static RF_Object rfObject;
static RF_Handle rfHandle;
/* Pin driver handle */
static PIN_Handle ledPinHandle;
static PIN_State ledPinState;
/*
* Application LED pin configuration table:
* - All LEDs board LEDs are off.
*/
PIN_Config pinTable[] =
{
Board_PIN_LED1 | PIN_GPIO_OUTPUT_EN | PIN_GPIO_LOW | PIN_PUSHPULL | PIN_DRVSTR_MAX,
#if defined Board_CC1352R1_LAUNCHXL
Board_DIO30_RFSW | PIN_GPIO_OUTPUT_EN | PIN_GPIO_HIGH | PIN_PUSHPULL | PIN_DRVSTR_MAX,
#endif
#ifdef POWER_MEASUREMENT
#if defined(Board_CC1350_LAUNCHXL)
Board_DIO30_SWPWR | PIN_GPIO_OUTPUT_EN | PIN_GPIO_HIGH | PIN_PUSHPULL | PIN_DRVSTR_MAX,
#endif
#endif
PIN_TERMINATE
};
/***** Function definitions *****/
static int hexbyte(const char *buf)
{
int i;
char c;
c = buf[0];
if (c >= '0' && c <= '9')
i = (c - '0');
else if (c >= 'a' && c <= 'f')
i = (c - 'a' + 10);
else if (c >= 'A' && c <= 'F')
i = (c - 'A' + 10);
else
return -1;
i <<= 4;
c = buf[1];
if (c >= '0' && c <= '9')
return i | (c - '0');
else if (c >= 'a' && c <= 'f')
return i | (c - 'a' + 10);
else if (c >= 'A' && c <= 'F')
return i | (c - 'A' + 10);
else
return -1;
}
static void hex_to_bytes(const char *s, uint8_t *to)
{
for (; *s; s += 2)
*to++ = (uint8_t) hexbyte(s);
}
void free_rs_char(void *p){
struct rs *rs = (struct rs *)p;
free(rs->alpha_to);
free(rs->index_of);
free(rs->genpoly);
free(rs);
}
/* Initialize a Reed-Solomon codec
* symsize = symbol size, bits
* gfpoly = Field generator polynomial coefficients
* fcr = first root of RS code generator polynomial, index form
* prim = primitive element to generate polynomial roots
* nroots = RS code generator polynomial degree (number of roots)
* pad = padding bytes at front of shortened block
*/
void *init_rs_char(int symsize,int gfpoly,int fcr,int prim,
int nroots,int pad){
struct rs *rs;
#include "fec/init_rs.h"
return rs;
}
void encode_rs_char(void *p,data_t *data, data_t *parity){
struct rs *rs = (struct rs *)p;
#include "fec/encode_rs.h"
}
int decode_rs_char(void *p, data_t *data, int *eras_pos, int no_eras){
int retval;
struct rs *rs = (struct rs *)p;
#include "fec/decode_rs.h"
return retval;
}
static void *rs_uplink;
static void *rs_adsb_short;
static void *rs_adsb_long;
#define UPLINK_POLY 0x187
#define ADSB_POLY 0x187
void init_fec(void)
{
rs_adsb_short = init_rs_char(8, /* gfpoly */ ADSB_POLY, /* fcr */ 120, /* prim */ 1, /* nroots */ 12, /* pad */ 225);
rs_adsb_long = init_rs_char(8, /* gfpoly */ ADSB_POLY, /* fcr */ 120, /* prim */ 1, /* nroots */ 14, /* pad */ 207);
rs_uplink = init_rs_char(8, /* gfpoly */ UPLINK_POLY, /* fcr */ 120, /* prim */ 1, /* nroots */ 20, /* pad */ 163);
}
void *mainThread(void *arg0)
{
RF_Params rfParams;
RF_Params_init(&rfParams);
/* Open LED pins */
ledPinHandle = PIN_open(&ledPinState, pinTable);
if (ledPinHandle == NULL)
{
while(1);
}
RF_cmdPropTx.pktLen = PAYLOAD_LENGTH;
RF_cmdPropTx.pPkt = packet;
RF_cmdPropTx.startTrigger.triggerType = TRIG_NOW;
/* Request access to the radio */
rfHandle = RF_open(&rfObject, &RF_prop, (RF_RadioSetup*)&RF_cmdPropRadioDivSetup, &rfParams);
/* Set the frequency */
RF_postCmd(rfHandle, (RF_Op*)&RF_cmdFs, RF_PriorityNormal, NULL, 0);
init_fec();
packet[0] = UAT_SYNCWORD_LSB;
hex_to_bytes(UAT_DATA, &packet[1]);
void *rs = rs_adsb_long;
encode_rs_char(rs, &packet[1], &packet[LONG_FRAME_DATA_BYTES+sizeof(UAT_SYNCWORD_LSB)]);
while(1)
{
/* Send packet */
RF_EventMask terminationReason = RF_runCmd(rfHandle, (RF_Op*)&RF_cmdPropTx,
RF_PriorityNormal, NULL, 0);
switch(terminationReason)
{
case RF_EventLastCmdDone:
// A stand-alone radio operation command or the last radio
// operation command in a chain finished.
break;
case RF_EventCmdCancelled:
// Command cancelled before it was started; it can be caused
// by RF_cancelCmd() or RF_flushCmd().
break;
case RF_EventCmdAborted:
// Abrupt command termination caused by RF_cancelCmd() or
// RF_flushCmd().
break;
case RF_EventCmdStopped:
// Graceful command termination caused by RF_cancelCmd() or
// RF_flushCmd().
break;
default:
// Uncaught error event
while(1);
}
uint32_t cmdStatus = ((volatile RF_Op*)&RF_cmdPropTx)->status;
switch(cmdStatus)
{
case PROP_DONE_OK:
// Packet transmitted successfully
break;
case PROP_DONE_STOPPED:
// received CMD_STOP while transmitting packet and finished
// transmitting packet
break;
case PROP_DONE_ABORT:
// Received CMD_ABORT while transmitting packet
break;
case PROP_ERROR_PAR:
// Observed illegal parameter
break;
case PROP_ERROR_NO_SETUP:
// Command sent without setting up the radio in a supported
// mode using CMD_PROP_RADIO_SETUP or CMD_RADIO_SETUP
break;
case PROP_ERROR_NO_FS:
// Command sent without the synthesizer being programmed
break;
case PROP_ERROR_TXUNF:
// TX underflow observed during operation
break;
default:
// Uncaught error event - these could come from the
// pool of states defined in rf_mailbox.h
while(1);
}
#ifndef POWER_MEASUREMENT
PIN_setOutputValue(ledPinHandle, Board_PIN_LED1,!PIN_getOutputValue(Board_PIN_LED1));
#endif
/* Power down the radio */
RF_yield(rfHandle);
/* Sleep for PACKET_INTERVAL us */
usleep(PACKET_INTERVAL);
}
}