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orbimote/field_test_device/benchmark.c
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#define ENABLE_DEBUG (1)
#include "debug.h"
#include "benchmark.h"
#include "xtimer.h"
#include <time.h>
#include <string.h>
#include "net/loramac.h"
#include "semtech_loramac.h"
#include "loramac_utils.h"
#include "app_clock.h"
#include <random.h>
// Count the number of elements in an array.
//#define CNT(array) (uint8_t)(sizeof(array) / sizeof(*array))
#define PAYLOAD_LEN 256
static uint8_t payload[PAYLOAD_LEN];
// Encode message data to the payload.
unsigned int encode_benchmark(uint8_t *payload, unsigned int len, uint8_t power, uint8_t dr)
{
// reset the payload
memset(payload,0,PAYLOAD_LEN);
if(len < sizeof(2 * sizeof(uint8_t))) {
return 0;
}
unsigned int i = 0;
// Encode txpower.
payload[i++] = power;
// Encode datarate.
payload[i++] = dr;
// TODO add FCNT, RSSI, LSNR of the last downlink.
return i;
}
void benchmark_start(semtech_loramac_t *loramac, struct benchmark_t benchmark, unsigned int (*encode_sensors)(uint8_t*, const unsigned int)) {
// Start benchmark
DEBUG("[ftd] Start benchmark
");
/* set ADR flag */
semtech_loramac_set_adr(loramac, benchmark.adr);
uint8_t port = benchmark.min_port;
uint32_t cpt = 0;
while (1)
{
port = benchmark.min_port + ((port + 1 - benchmark.min_port) % (benchmark.max_port - benchmark.min_port));
int i;
uint8_t dr;
uint8_t power;
uint8_t size;
DEBUG("[ftd] New benchmark sequence: port=%d
", port);
for( i=0 ; i < benchmark.drpwsz_sequence_nb ; i++) {
cpt++;
dr = benchmark.drpwsz_sequence[3*i];
power = benchmark.drpwsz_sequence[3*i+1];
size = benchmark.drpwsz_sequence[3*i+2];
// TODO uint32_t devaddr = devaddrs[cpt%ARRAYSIZE(devaddrs)];
uint32_t devaddr = benchmark.devaddr + (cpt%benchmark.nb_virtual_devices);
DEBUG("[ftd] Send @ devaddr=%lx port=%d dr=%d txpower=%d size=%d
", devaddr, port, dr, power, size);
unsigned int len = encode_benchmark(payload, size, power, dr);
len = encode_sensors(payload + len, size - len);
// WARNING : If LORAMAC_TX_CNF, the firmware is blocked when the network server does not confirmed the message
//semtech_loramac_set_tx_mode(loramac, benchmark.txconfirmed ? LORAMAC_TX_CNF : LORAMAC_TX_UNCNF);
/* send the LoRaWAN message */
if(dr == 0xff) {
semtech_loramac_set_adr(loramac, true);
} else {
semtech_loramac_set_adr(loramac, false);
semtech_loramac_set_dr(loramac, dr);
}
semtech_loramac_set_tx_port(loramac, port);
semtech_loramac_set_tx_power(loramac, power);
semtech_loramac_set_devaddr(loramac, (uint8_t*)&devaddr);
uint8_t ret = semtech_loramac_send(loramac, payload, size);
if (ret != SEMTECH_LORAMAC_TX_DONE) {
DEBUG("[ftd] ERROR: Cannot send payload: ret code: %d (%s)
", ret, loramac_utils_err_message(ret));
} else {
DEBUG("[ftd] Tx Done ret=%d
", ret);
}
xtimer_sleep(*benchmark.tx_period);
// send a APP_TIME_REQ request every APP_TIME_REQ_PERIOD message
if(cpt%APP_TIME_REQ_PERIOD == 0) {
// keep the current MAC configuration
//semtech_loramac_set_tx_mode(loramac, LORAMAC_TX_CNF);
app_clock_send_app_time_req(loramac);
xtimer_sleep(*benchmark.tx_period);
}
}
/* sleep tx_period secs */
// TODO introduire un alea de quelques secondes dans la tx_period pour éviter que des endpoints qui redémarrent ensemble se brouillent les uns les autres.
// TODO verifier que la tx_period est compatible avec le DC (sinon, le Tx retourne le code=13)
xtimer_usleep(*benchmark.tx_period * 1000000 + random_uint32_range (0, NEXT_BENCHMARK_RANDOM * 1000000));
}
/* this should never be reached */
return;
}
void jmf_start(semtech_loramac_t *loramac, struct benchmark_t benchmark) {
// Start benchmark
DEBUG("[jmf] Hello\r
");
/* set ADR flag */
semtech_loramac_set_adr(loramac, benchmark.adr);
uint8_t dr=5;
uint8_t power=14;
uint8_t size=5;
uint8_t port = benchmark.min_port;
char jmf_c;
uint32_t devaddr = benchmark.devaddr ;
port = benchmark.min_port + ((port + 1 - benchmark.min_port) % (benchmark.max_port - benchmark.min_port));
semtech_loramac_set_adr(loramac, true);
semtech_loramac_set_dr(loramac, dr);
semtech_loramac_set_tx_port(loramac, port);
semtech_loramac_set_tx_power(loramac, power);
semtech_loramac_set_devaddr(loramac, (uint8_t*)&devaddr);
while (1)
{
jmf_c =getchar();
/*if ((jmf_c>32)&&(jmf_c<127))
{DEBUG("%c", jmf_c);}
else
{DEBUG("%d", jmf_c);}*/
//unsigned int len=8; // = encode_benchmark(payload, size, power, dr);
if (jmf_c == 'S' || jmf_c == 'T') { // 0x53 = S et 0x54 = T
if (jmf_c == 'S')
{sprintf((char*)payload,"Start");}
else if (jmf_c == 'T')
{sprintf((char*)payload,"Times");}
// WARNING : If LORAMAC_TX_CNF, the firmware is blocked when the network server does not confirmed the message
//semtech_loramac_set_tx_mode(loramac, benchmark.txconfirmed ? LORAMAC_TX_CNF : LORAMAC_TX_UNCNF);
/* send the LoRaWAN message */
uint8_t ret = semtech_loramac_send(loramac, payload, size);
//xtimer_sleep(3);
//uint8_t ret = semtech_loramac_send(loramac, payload, size);
//DEBUG("[jmf] Send @ devaddr=%lx port=%d dr=%d txpower=%d size=%d\r
", devaddr, port, dr, power, size);
if (ret != SEMTECH_LORAMAC_TX_DONE)
{DEBUG("[ftd] ERROR: Cannot send payload: ret code: %d (%s)
", ret, loramac_utils_err_message(ret));}
/* else
{DEBUG("[ftd] Tx Done ret=%d\r
", ret);} */
} else DEBUG("\r
");
/*
xtimer_sleep(*benchmark.tx_period);
// send a APP_TIME_REQ request every APP_TIME_REQ_PERIOD message
if(cpt%APP_TIME_REQ_PERIOD == 0) {
// keep the current MAC configuration
//semtech_loramac_set_tx_mode(loramac, LORAMAC_TX_CNF);
app_clock_send_app_time_req(loramac);
xtimer_sleep(*benchmark.tx_period);
}
//sleep tx_period secs
// TODO introduire un alea de quelques secondes dans la tx_period pour éviter que des endpoints qui redémarrent ensemble se brouillent les uns les autres.
// TODO verifier que la tx_period est compatible avec le DC (sinon, le Tx retourne le code=13)
xtimer_usleep(*benchmark.tx_period * 1000000 + random_uint32_range (0, NEXT_BENCHMARK_RANDOM * 1000000));
//this should never be reached */
}
return;
}
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