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Validate sample rates passed to hackrf_transfer.

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This commit is contained in:
Martin Ling
2022-08-05 13:19:13 +01:00
parent 2fe3185f9d
commit 8c12fa6007
1 changed files with 24 additions and 3 deletions
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27
host/hackrf-tools/src/hackrf_transfer.c
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@ -97,6 +97,8 @@ int gettimeofday(struct timeval* tv, void* ignored)
#define LO_MAX_HZ (5400000000ll)
#define DEFAULT_LO_HZ (1000000000ll)
#define SAMPLE_RATE_MIN_HZ (2000000) /* 2MHz min sample rate */
#define SAMPLE_RATE_MAX_HZ (20000000) /* 20MHz max sample rate */
#define DEFAULT_SAMPLE_RATE_HZ (10000000) /* 10MHz default sample rate */
#define DEFAULT_BASEBAND_FILTER_BANDWIDTH (5000000) /* 5MHz default */
@ -590,8 +592,10 @@ static void usage()
printf("\t[-l gain_db] # RX LNA (IF) gain, 0-40dB, 8dB steps\n");
printf("\t[-g gain_db] # RX VGA (baseband) gain, 0-62dB, 2dB steps\n");
printf("\t[-x gain_db] # TX VGA (IF) gain, 0-47dB, 1dB steps\n");
printf("\t[-s sample_rate_hz] # Sample rate in Hz (2-20MHz, default %sMHz).\n",
u64toa((DEFAULT_SAMPLE_RATE_HZ / FREQ_ONE_MHZ), &ascii_u64_data[0]));
printf("\t[-s sample_rate_hz] # Sample rate in Hz (%s-%sMHz, default %sMHz).\n",
u64toa((SAMPLE_RATE_MIN_HZ / FREQ_ONE_MHZ), &ascii_u64_data[0]),
u64toa((SAMPLE_RATE_MAX_HZ / FREQ_ONE_MHZ), &ascii_u64_data[1]),
u64toa((DEFAULT_SAMPLE_RATE_HZ / FREQ_ONE_MHZ), &ascii_u64_data[2]));
printf("\t[-n num_samples] # Number of samples to transfer (default is unlimited).\n");
#ifndef _WIN32
/* The required atomic load/store functions aren't available when using C with MSVC */
@ -897,7 +901,24 @@ int main(int argc, char** argv)
}
}
if (sample_rate == false) {
if (sample_rate) {
if (sample_rate_hz > SAMPLE_RATE_MAX_HZ) {
fprintf(stderr,
"argument error: sample_rate_hz must be less than or equal to %u Hz/%.03f MHz\n",
SAMPLE_RATE_MAX_HZ,
(float) (SAMPLE_RATE_MAX_HZ / FREQ_ONE_MHZ));
usage();
return EXIT_FAILURE;
}
if (sample_rate_hz < SAMPLE_RATE_MIN_HZ) {
fprintf(stderr,
"argument error: sample_rate_hz must be greater than or equal to %u Hz/%.03f MHz\n",
SAMPLE_RATE_MIN_HZ,
(float) (SAMPLE_RATE_MIN_HZ / FREQ_ONE_MHZ));
usage();
return EXIT_FAILURE;
}
} else {
sample_rate_hz = DEFAULT_SAMPLE_RATE_HZ;
}