From 7b85ba8d4fb34e76d34a2d581e89e856aa471cf5 Mon Sep 17 00:00:00 2001
From: jaseg <git@jaseg.de>
Date: Mon, 21 Dec 2020 16:26:57 +0100
Subject: Move fw into direct subdir

---
 fw/hid-dials/tools/dsss_demod_test.c | 109 -----------------------------------
 1 file changed, 109 deletions(-)
 delete mode 100644 fw/hid-dials/tools/dsss_demod_test.c

(limited to 'fw/hid-dials/tools/dsss_demod_test.c')

diff --git a/fw/hid-dials/tools/dsss_demod_test.c b/fw/hid-dials/tools/dsss_demod_test.c
deleted file mode 100644
index f7df111..0000000
--- a/fw/hid-dials/tools/dsss_demod_test.c
+++ /dev/null
@@ -1,109 +0,0 @@
-
-#include <stdint.h>
-#include <math.h>
-#include <unistd.h>
-#include <stdio.h>
-#include <string.h>
-#include <errno.h>
-#include <stdlib.h>
-#include <sys/stat.h>
-#include <sys/types.h>
-#include <sys/fcntl.h>
-
-#include "dsss_demod.h"
-
-void handle_dsss_received(symbol_t data[static TRANSMISSION_SYMBOLS]) {
-    printf("data sequence received: [ ");
-    for (size_t i=0; i<TRANSMISSION_SYMBOLS; i++) {
-        //printf("%+3d", ((data[i]&1) ? 1 : -1) * (data[i]>>1));
-        printf("%2d", data[i]);
-        if (i+1 < TRANSMISSION_SYMBOLS)
-            printf(", ");
-    }
-    printf(" ]\n");
-}
-
-void print_usage() {
-    fprintf(stderr, "Usage: dsss_demod_test [test_data.bin] [optional recording channel number]\n");
-}
-
-int main(int argc, char **argv) {
-    if (argc != 2 && argc != 3) {
-        fprintf(stderr, "Error: Invalid arguments.\n");
-        print_usage();
-        return 1;
-    }
-
-    int fd = open(argv[1], O_RDONLY);
-    struct stat st;
-    if (fstat(fd, &st)) {
-        fprintf(stderr, "Error querying test data file size: %s\n", strerror(errno));
-        return 2;
-    }
-
-    if (st.st_size < 0 || st.st_size > 10000000) {
-        fprintf(stderr, "Error reading test data: too much test data (size=%zd)\n", st.st_size);
-        return 2;
-    }
-
-    if (st.st_size % sizeof(float) != 0) {
-        fprintf(stderr, "Error reading test data: file size is not divisible by %zd (size=%zd)\n", sizeof(float), st.st_size);
-        return 2;
-    }
-
-    char *buf = malloc(st.st_size);
-    if (!buf) {
-        fprintf(stderr, "Error allocating memory");
-        return 2;
-    }
-
-    int record_channel = -1;
-    if (argc == 3) {
-        char *endptr;
-        record_channel = strtoul(argv[2], &endptr, 10);
-        if (!endptr || *endptr != '\0') {
-            fprintf(stderr, "Invalid channel number \"%s\"\n", argv[2]);
-            return 1;
-        }
-    }
-
-    if (record_channel != -1)
-        fprintf(stderr, "Reading %zd samples test data...", st.st_size/sizeof(float));
-    ssize_t nread = 0;
-    while (nread < st.st_size) {
-        ssize_t rc = read(fd, buf + nread, st.st_size - nread);
-
-        if (rc == -EINTR || rc == -EAGAIN)
-            continue;
-
-        if (rc < 0) {
-            fprintf(stderr, "\nError reading test data: %s\n", strerror(errno));
-            return 2;
-        }
-        
-        if (rc == 0) {
-            fprintf(stderr, "\nError reading test data: Unexpected end of file\n");
-            return 2;
-        }
-
-        nread += rc;
-    }
-    if (record_channel != -1)
-        fprintf(stderr, " done.\n");
-
-    const size_t n_samples = st.st_size / sizeof(float);
-    float *buf_f = (float *)buf;
-
-    if (record_channel != -1)
-        fprintf(stderr, "Starting simulation.\n");
-
-    struct dsss_demod_state demod;
-    dsss_demod_init(&demod);
-    for (size_t i=0; i<n_samples; i++) {
-        //fprintf(stderr, "Iteration %zd/%zd\n", i, n_samples);
-        dsss_demod_step(&demod, buf_f[i], i);
-    }
-
-    free(buf);
-    return 0;
-}
-- 
cgit