diff options
Diffstat (limited to 'util')
| -rw-r--r-- | util/spkmodem_recv/spkmodem-recv.c | 31 |
1 files changed, 17 insertions, 14 deletions
diff --git a/util/spkmodem_recv/spkmodem-recv.c b/util/spkmodem_recv/spkmodem-recv.c index 2485943a..5fa98a76 100644 --- a/util/spkmodem_recv/spkmodem-recv.c +++ b/util/spkmodem_recv/spkmodem-recv.c @@ -19,11 +19,10 @@ #define FREQ_DATA_MAX 60 #define THRESHOLD 500 -#define DEBUG 0 #define ERR() (errno = errno ? errno : ECANCELED) signed short frame[2 * SAMPLES_PER_FRAME], pulse[2 * SAMPLES_PER_FRAME]; -int freq_data, freq_separator, sample_count, ascii_bit = 7; +int debug, freq_data, freq_separator, sample_count, ascii_bit = 7; char ascii = 0; void handle_audio(void); @@ -40,6 +39,11 @@ main(int argc, char *argv[]) if (pledge("stdio", NULL) == -1) err(ERR(), "pledge"); #endif + while ((c = getopt(argc, argv, "d")) != -1) { + if (c != 'd') + err(errno = EINVAL, NULL); + debug = 1; + } setvbuf(stdout, NULL, _IONBF, 0); while (!feof(stdin)) handle_audio(); @@ -97,13 +101,13 @@ read_frame(int ringpos) int set_ascii_bit(void) { -#if DEBUG - long stdin_pos = 0; - if ((stdin_pos = ftell(stdin)) == -1) - err(ERR(), NULL); - printf ("%d %d %d @%ld\n", freq_data, freq_separator, - FREQ_DATA_THRESHOLD, stdin_pos - sizeof(frame)); -#endif + if (debug) { + long stdin_pos = 0; + if ((stdin_pos = ftell(stdin)) == -1) + err(ERR(), NULL); + printf ("%d %d %d @%ld\n", freq_data, freq_separator, + FREQ_DATA_THRESHOLD, stdin_pos - sizeof(frame)); + } if (freq_data < FREQ_DATA_THRESHOLD) ascii |= (1 << ascii_bit); return ascii_bit; @@ -112,11 +116,10 @@ set_ascii_bit(void) void print_char(void) { -#if DEBUG - printf("<%c, %x>", ascii, ascii); -#else - printf("%c", ascii); -#endif + if (debug) + printf("<%c, %x>", ascii, ascii); + else + printf("%c", ascii); ascii_bit = 7; ascii = 0; } |