From 8a99e6b24664a775c4038714193d147171fd5afd Mon Sep 17 00:00:00 2001 From: Felix Erckenbrecht Date: Fri, 25 Mar 2022 08:52:32 +0100 Subject: Cleanup - only build ampliphase binary --- src/fl2k_test.c | 308 -------------------------------------------------------- 1 file changed, 308 deletions(-) delete mode 100644 src/fl2k_test.c (limited to 'src/fl2k_test.c') diff --git a/src/fl2k_test.c b/src/fl2k_test.c deleted file mode 100644 index b166dda..0000000 --- a/src/fl2k_test.c +++ /dev/null @@ -1,308 +0,0 @@ -/* - * osmo-fl2k, turns FL2000-based USB 3.0 to VGA adapters into - * low cost DACs - * - * Copyright (C) 2016-2018 by Steve Markgraf - * - * based on rtl_test: - * - * Copyright (C) 2012-2014 by Steve Markgraf - * Copyright (C) 2012-2014 by Kyle Keen - * Copyright (C) 2014 by Michael Tatarinov - * - * SPDX-License-Identifier: GPL-2.0+ - * - * This program is free software: you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation, either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program. If not, see . - */ - -#include -#include -#include -#include -#include -#include - -#ifdef __APPLE__ -#include -#else -#include -#endif - -#ifndef _WIN32 -#include -#define sleep_ms(ms) usleep(ms*1000) -#else -#include -#include "getopt/getopt.h" -#define sleep_ms(ms) Sleep(ms) -#endif - -#include "osmo-fl2k.h" - -#define DEFAULT_SAMPLE_RATE 100000000 -#define PPM_DURATION 10 -#define PPM_DUMP_TIME 1 - -struct time_generic - /* holds all the platform specific values */ -{ -#ifndef _WIN32 - time_t tv_sec; - long tv_nsec; -#else - long tv_sec; - long tv_nsec; - int init; - LARGE_INTEGER frequency; - LARGE_INTEGER ticks; -#endif -}; - -static int do_exit = 0; -static fl2k_dev_t *dev = NULL; - -static uint32_t samp_rate = DEFAULT_SAMPLE_RATE; -static unsigned int ppm_duration = PPM_DURATION; - -static char *buffer; -static int cb_cnt = 0; - -void usage(void) -{ - fprintf(stderr, - "fl2k_test, clock accuracy test for FL2K VGA dongles,\n" - "also outputs a square wave at fs/2\n\n" - "Usage:\n" - "\t[-d device_index (default: 0)]\n" - "\t[-s samplerate (default: 100 MS/s)]\n" - ); - exit(1); -} - -#ifdef _WIN32 -BOOL WINAPI -sighandler(int signum) -{ - if (CTRL_C_EVENT == signum) { - fprintf(stderr, "Signal caught, exiting!\n"); - fl2k_stop_tx(dev); - do_exit = 1; - return TRUE; - } - return FALSE; -} -#else -static void sighandler(int signum) -{ - fprintf(stderr, "Signal caught, exiting!\n"); - fl2k_stop_tx(dev); - do_exit = 1; -} -#endif - -#ifndef _WIN32 -static int ppm_gettime(struct time_generic *tg) -{ - int rv = ENOSYS; - struct timespec ts; - -#ifdef __unix__ - rv = clock_gettime(CLOCK_MONOTONIC, &ts); - tg->tv_sec = ts.tv_sec; - tg->tv_nsec = ts.tv_nsec; -#elif __APPLE__ - struct timeval tv; - - rv = gettimeofday(&tv, NULL); - tg->tv_sec = tv.tv_sec; - tg->tv_nsec = tv.tv_usec * 1000; -#endif - return rv; -} -#endif - -#ifdef _WIN32 -static int ppm_gettime(struct time_generic *tg) -{ - int rv; - int64_t frac; - if (!tg->init) { - QueryPerformanceFrequency(&tg->frequency); - tg->init = 1; - } - rv = QueryPerformanceCounter(&tg->ticks); - tg->tv_sec = tg->ticks.QuadPart / tg->frequency.QuadPart; - frac = (int64_t)(tg->ticks.QuadPart - (tg->tv_sec * tg->frequency.QuadPart)); - tg->tv_nsec = (long)(frac * 1000000000L / (int64_t)tg->frequency.QuadPart); - return !rv; -} -#endif - -static int ppm_report(uint64_t nsamples, uint64_t interval) -{ - double real_rate, ppm; - - real_rate = nsamples * 1e9 / interval; - ppm = 1e6 * (real_rate / (double)samp_rate - 1.); - return (int)round(ppm); -} - -static void ppm_test(uint32_t len) -{ - static uint64_t nsamples = 0; - static uint64_t interval = 0; - static uint64_t nsamples_total = 0; - static uint64_t interval_total = 0; - static struct time_generic ppm_now; - static struct time_generic ppm_recent; - - static enum { - PPM_INIT_NO, - PPM_INIT_DUMP, - PPM_INIT_RUN - } ppm_init = PPM_INIT_NO; - - ppm_gettime(&ppm_now); - - if (ppm_init != PPM_INIT_RUN) { - /* - * Kyle Keen wrote: - * PPM_DUMP_TIME throws out the first N seconds of data. - * The dongle's PPM is usually very bad when first starting up, - * typically incorrect by more than twice the final value. - * Discarding the first few seconds allows the value to stabilize much faster. - */ - if (ppm_init == PPM_INIT_NO) { - ppm_recent.tv_sec = ppm_now.tv_sec + PPM_DUMP_TIME; - ppm_init = PPM_INIT_DUMP; - return; - } - if (ppm_init == PPM_INIT_DUMP && ppm_recent.tv_sec < ppm_now.tv_sec) - return; - ppm_recent = ppm_now; - ppm_init = PPM_INIT_RUN; - return; - } - nsamples += (uint64_t)len; - interval = (uint64_t)(ppm_now.tv_sec - ppm_recent.tv_sec); - if (interval < ppm_duration) - return; - interval *= 1000000000UL; - interval += (int64_t)(ppm_now.tv_nsec - ppm_recent.tv_nsec); - - nsamples_total += nsamples; - interval_total += interval; - printf("real sample rate: %i current PPM: %i cumulative PPM: %i\n", - (int)((1000000000UL * nsamples) / interval), - ppm_report(nsamples, interval), - ppm_report(nsamples_total, interval_total)); - ppm_recent = ppm_now; - nsamples = 0; -} - -void fl2k_callback(fl2k_data_info_t *data_info) -{ - if (data_info->device_error) { - fprintf(stderr, "Device error, exiting.\n"); - do_exit = 1; - return; - } - - /* drop first couple of callbacks until everything is settled */ - if (cb_cnt > 20) { - ppm_test(FL2K_BUF_LEN); - } else { - /* as data is repetitive, it only needs to be handed - * over until all transfer buffers contain the data */ - data_info->r_buf = buffer; - cb_cnt++; - } -} - -int main(int argc, char **argv) -{ -#ifndef _WIN32 - struct sigaction sigact; -#endif - int r, opt, i; - uint32_t dev_index = 0; - - while ((opt = getopt(argc, argv, "d:s:p::h")) != -1) { - switch (opt) { - case 'd': - dev_index = (uint32_t)atoi(optarg); - break; - case 's': - samp_rate = (uint32_t)atof(optarg); - break; - case 'p': - if (optarg) - ppm_duration = atoi(optarg); - break; - case 'h': - default: - usage(); - break; - } - } - - buffer = malloc(FL2K_BUF_LEN); - if (!buffer) - goto exit; - - fl2k_open(&dev, (uint32_t)dev_index); - if (NULL == dev) { - fprintf(stderr, "Failed to open fl2k device #%d.\n", dev_index); - exit(1); - } - -#ifndef _WIN32 - sigact.sa_handler = sighandler; - sigemptyset(&sigact.sa_mask); - sigact.sa_flags = 0; - sigaction(SIGINT, &sigact, NULL); - sigaction(SIGTERM, &sigact, NULL); - sigaction(SIGQUIT, &sigact, NULL); - sigaction(SIGPIPE, &sigact, NULL); -#else - SetConsoleCtrlHandler( (PHANDLER_ROUTINE) sighandler, TRUE ); -#endif - - /* initialize buffer with rect signal */ - for (i = 0; i < FL2K_BUF_LEN; i += 2) { - buffer[i] = 0x00; - buffer[i+1] = 0xff; - } - - r = fl2k_start_tx(dev, fl2k_callback, NULL, 0); - - /* Set the sample rate */ - r = fl2k_set_sample_rate(dev, samp_rate); - if (r < 0) - fprintf(stderr, "WARNING: Failed to set sample rate.\n"); - - samp_rate = fl2k_get_sample_rate(dev); - - fprintf(stderr, "Reporting PPM error measurement every %u seconds...\n", ppm_duration); - fprintf(stderr, "Press ^C after a few minutes.\n"); - - while (!do_exit) - sleep_ms(500); - -exit: - fl2k_close(dev); - free(buffer); - - return 0; -} -- cgit v1.2.3