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atrf-txrx: added BER test pattern transmit mode
- atrf-txrx.c (main): indicate mode of operation in variable "mode" instead of dual-using "cont_tx" - atrf-txrx.c (usage, main): added option -B to enter BER test pattern transit mode - atrf-txrx.c (transmit_pattern): transmit raw frames with a cyclic frame number
This commit is contained in:
Werner Almesberger
parent
f9aee54323
commit
999ce5302e
@ -374,6 +374,40 @@ static void enter_test_mode_231(struct atrf_dsc *dsc, uint8_t cont_tx)
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}
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static void transmit_pattern(struct atrf_dsc *dsc, double pause_s, int times)
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{
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uint8_t buf[MAX_PSDU];
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uint8_t n = 0;
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int us = fmod(pause_s, 1)*1000000;
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atrf_reg_write(dsc, REG_TRX_STATE, TRX_CMD_PLL_ON);
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/*
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* 180 us, according to AVR2001 section 4.3. We time out after
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* nominally 200 us.
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*/
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wait_for_interrupt(dsc, IRQ_PLL_LOCK, IRQ_PLL_LOCK, 10, 20);
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while (run) {
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memset(buf, n, sizeof(buf));
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atrf_buf_write(dsc, buf, sizeof(buf));
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atrf_reg_write(dsc, REG_TRX_STATE, TRX_CMD_TX_START);
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/* wait up to 10 ms (nominally) */
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wait_for_interrupt(dsc, IRQ_TRX_END,
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IRQ_TRX_END | IRQ_PLL_LOCK, 10, 1000);
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if (pause_s >= 1)
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sleep(pause_s);
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if (us)
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usleep(us);
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if (times && !--times)
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break;
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n++;
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}
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}
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static int test_mode(struct atrf_dsc *dsc, uint8_t cont_tx, const char *cmd)
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{
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@ -416,10 +450,14 @@ static void usage(const char *name)
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{
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fprintf(stderr,
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"usage: %s [common_options] [message [repetitions]]\n"
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" %s [common_options] -B pause_s [repetitions]\n"
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" %s [common_options] -T offset [command]\n\n"
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" text message mode:\n"
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" message message string to send (if absent, receive)\n"
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" repetitions number of times the message is sent (default 1)\n\n"
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" BER test mode (transmit only):\n"
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" -B pause_s seconds to pause between frames (floating-point)\n"
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" repetitions number of messages to send (default: infinite)\n\n"
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" constant wave test mode (transmit only):\n"
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" -T offset test mode. offset is the frequency offset of the constant\n"
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" wave in MHz: -2, -0.5, or +0.5\n"
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@ -433,7 +471,7 @@ static void usage(const char *name)
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" -o file write received data to a file in pcap format\n"
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" -p power transmit power, -17.2 to 3.0 dBm (default %.1f)\n"
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" -t trim trim capacitor, 0 to 15 (default 0)\n"
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, name, name, DEFAULT_CHANNEL, 2405+5*(DEFAULT_CHANNEL-11),
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, name, name, name, DEFAULT_CHANNEL, 2405+5*(DEFAULT_CHANNEL-11),
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DEFAULT_POWER);
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exit(1);
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}
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@ -441,10 +479,16 @@ static void usage(const char *name)
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int main(int argc, char *const *argv)
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{
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enum {
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mode_msg,
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mode_ber,
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mode_cont_tx,
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} mode = mode_msg;
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int channel = DEFAULT_CHANNEL;
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double power = DEFAULT_POWER;
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int trim = 0, times = 1;
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uint8_t cont_tx = 0;
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double pause_s = 0;
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char *end;
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int c, freq;
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unsigned tmp, clkm = 0;
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@ -452,7 +496,7 @@ int main(int argc, char *const *argv)
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const char *pcap_file = NULL;
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struct atrf_dsc *dsc;
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while ((c = getopt(argc, argv, "c:C:f:o:p:t:T:")) != EOF)
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while ((c = getopt(argc, argv, "B:c:C:f:o:p:t:T:")) != EOF)
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switch (c) {
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case 'c':
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channel = strtoul(optarg, &end, 0);
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@ -486,6 +530,12 @@ int main(int argc, char *const *argv)
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if (trim > 15)
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usage(*argv);
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break;
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case 'B':
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mode = mode_ber;
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pause_s = strtof(optarg, &end);
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if (*end)
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usage(*argv);
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break;
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case 'C':
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tmp = strtol(optarg, &end, 0);
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if (*end)
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@ -498,6 +548,7 @@ int main(int argc, char *const *argv)
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usage(*argv);
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break;
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case 'T':
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mode = mode_cont_tx;
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if (!strcmp(optarg, "-2"))
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cont_tx = CONT_TX_M2M;
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else if (!strcmp(optarg, "-0.5"))
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@ -517,16 +568,33 @@ int main(int argc, char *const *argv)
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case 0:
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dsc = init_txrx(trim, clkm);
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set_channel(dsc, channel);
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if (!cont_tx)
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switch (mode) {
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case mode_msg:
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receive(dsc, pcap_file);
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else {
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break;
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case mode_ber:
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set_power(dsc, power, 0);
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transmit_pattern(dsc, pause_s, 0);
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break;
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case mode_cont_tx:
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set_power(dsc, power, 0);
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status = test_mode(dsc, cont_tx, NULL);
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break;
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default:
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abort();
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}
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break;
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case 2:
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if (cont_tx)
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switch (mode) {
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case mode_msg:
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break;
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case mode_ber:
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/* fall through */
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case mode_cont_tx:
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usage(*argv);
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default:
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abort();
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}
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times = strtoul(argv[optind+1], &end, 0);
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if (*end)
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usage(*argv);
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@ -534,12 +602,25 @@ int main(int argc, char *const *argv)
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case 1:
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dsc = init_txrx(trim, clkm);
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set_channel(dsc, channel);
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if (!cont_tx) {
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switch (mode) {
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case mode_msg:
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set_power(dsc, power, 1);
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transmit(dsc, argv[optind], times);
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} else {
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break;
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case mode_ber:
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times = strtoul(argv[optind+1], &end, 0);
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if (*end)
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usage(*argv);
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set_power(dsc, power, 0);
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transmit_pattern(dsc, pause_s, times);
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break;
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case mode_cont_tx:
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set_power(dsc, power, 0);
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status = test_mode(dsc, cont_tx, argv[optind]);
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break;
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default:
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abort();
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}
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break;
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default:
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