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util/spkmodem-recv: make debug a runtime option 

it's currently a build-time option

make it a runtime option instead, so that every
user can optionally make use of it, on all builds

Signed-off-by: Leah Rowe <leah@libreboot.org>
fsdg20230625
Leah Rowe 2023-06-05 01:36:06 +01:00
parent 264a31b95d
commit 3fb99a017d
1 changed files with 17 additions and 14 deletions
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17
util/spkmodem_recv/spkmodem-recv.c
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@ -19,11 +19,10 @@
#define FREQ_DATA_MAX 60 #define FREQ_DATA_MAX 60
#define THRESHOLD 500 #define THRESHOLD 500
#define DEBUG 0
#define ERR() (errno = errno ? errno : ECANCELED) #define ERR() (errno = errno ? errno : ECANCELED)
signed short frame[2 * SAMPLES_PER_FRAME], pulse[2 * SAMPLES_PER_FRAME]; 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; char ascii = 0;
void handle_audio(void); void handle_audio(void);
@ -40,6 +39,11 @@ main(int argc, char *argv[])
if (pledge("stdio", NULL) == -1) if (pledge("stdio", NULL) == -1)
err(ERR(), "pledge"); err(ERR(), "pledge");
#endif #endif
while ((c = getopt(argc, argv, "d")) != -1) {
if (c != 'd')
err(errno = EINVAL, NULL);
debug = 1;
}
setvbuf(stdout, NULL, _IONBF, 0); setvbuf(stdout, NULL, _IONBF, 0);
while (!feof(stdin)) while (!feof(stdin))
handle_audio(); handle_audio();
@ -97,13 +101,13 @@ read_frame(int ringpos)
int int
set_ascii_bit(void) set_ascii_bit(void)
{ {
#if DEBUG if (debug) {
long stdin_pos = 0; long stdin_pos = 0;
if ((stdin_pos = ftell(stdin)) == -1) if ((stdin_pos = ftell(stdin)) == -1)
err(ERR(), NULL); err(ERR(), NULL);
printf ("%d %d %d @%ld\n", freq_data, freq_separator, printf ("%d %d %d @%ld\n", freq_data, freq_separator,
FREQ_DATA_THRESHOLD, stdin_pos - sizeof(frame)); FREQ_DATA_THRESHOLD, stdin_pos - sizeof(frame));
#endif }
if (freq_data < FREQ_DATA_THRESHOLD) if (freq_data < FREQ_DATA_THRESHOLD)
ascii |= (1 << ascii_bit); ascii |= (1 << ascii_bit);
return ascii_bit; return ascii_bit;
@ -112,11 +116,10 @@ set_ascii_bit(void)
void void
print_char(void) print_char(void)
{ {
#if DEBUG if (debug)
printf("<%c, %x>", ascii, ascii); printf("<%c, %x>", ascii, ascii);
#else else
printf("%c", ascii); printf("%c", ascii);
#endif
ascii_bit = 7; ascii_bit = 7;
ascii = 0; ascii = 0;
} }