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Merge pull request #697 from mossmann/sample-rates

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remove specific sample rate recommendations
This commit is contained in:
Michael Ossmann
2020-01-22 10:10:55 -07:00
committed by GitHub
parent ba26b742a9 ecd82e81c1
commit 4e75a25882
2 changed files with 2 additions and 3 deletions
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2
host/hackrf-tools/src/hackrf_transfer.c
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@ -509,7 +509,7 @@ static void usage() {
printf("\t[-l gain_db] # RX LNA (IF) gain, 0-40dB, 8dB steps\n"); 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[-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[-x gain_db] # TX VGA (IF) gain, 0-47dB, 1dB steps\n");
printf("\t[-s sample_rate_hz] # Sample rate in Hz (4/8/10/12.5/16/20MHz, default %sMHz).\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_data1)); u64toa((DEFAULT_SAMPLE_RATE_HZ/FREQ_ONE_MHZ),&ascii_u64_data1));
printf("\t[-n num_samples] # Number of samples to transfer (default is unlimited).\n"); printf("\t[-n num_samples] # Number of samples to transfer (default is unlimited).\n");
#ifndef _WIN32 #ifndef _WIN32

3
host/libhackrf/src/hackrf.h
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@ -193,8 +193,7 @@ extern ADDAPI int ADDCALL hackrf_set_freq_explicit(hackrf_device* device,
const uint64_t if_freq_hz, const uint64_t lo_freq_hz, const uint64_t if_freq_hz, const uint64_t lo_freq_hz,
const enum rf_path_filter path); const enum rf_path_filter path);
/* currently 8-20Mhz - either as a fraction, i.e. freq 20000000hz divider 2 -> 10Mhz or as plain old 10000000hz (double) /* 2-20Mhz - either as a fraction, i.e. freq 20000000hz divider 2 -> 10Mhz or as plain old 10000000hz (double) */
preferred rates are 8, 10, 12.5, 16, 20Mhz due to less jitter */
extern ADDAPI int ADDCALL hackrf_set_sample_rate_manual(hackrf_device* device, const uint32_t freq_hz, const uint32_t divider); extern ADDAPI int ADDCALL hackrf_set_sample_rate_manual(hackrf_device* device, const uint32_t freq_hz, const uint32_t divider);
extern ADDAPI int ADDCALL hackrf_set_sample_rate(hackrf_device* device, const double freq_hz); extern ADDAPI int ADDCALL hackrf_set_sample_rate(hackrf_device* device, const double freq_hz);